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d2006 ms pc b8-4870 no.a0253-1/35 any and all sanyo semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo semiconductor representative nearest you before using any sanyo semiconductor products described or contained herein in such applications. sanyo semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo semiconductor products described or contained herein. LA76814 overview LA76814 is vif/sif/y/c/deflection implemented in a single chip for ntsc color television sets. functions ? vif/sif/y/c/deflection implemented in a single chip. ? i 2 c bus control. specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit v 8 max 7.0 v maximum supply voltage v 43 max 7.0 v i 18 max 25 ma maximum supply current i 25 max 35 ma allowable power dissipation pd max ta 65 c * 1.5 w operating temperature topr -10 to +65 c storage temperature tstg -55 to +150 c *: when mounted on a 114.3 76.1 1.6 mm 3 glass epoxy board operating ranges at ta = 25 c parameter symbol conditions ratings unit v 8 5.0 v recommended supply voltage v 43 5.0 v i 18 19 ma recommended supply current i 25 27 ma v 8 op 4.7 to 5.3 v operating supply voltage range v 43 op 4.7 to 5.3 v i 18 op 17 to 21 ma operating supply current range i 25 op 24 to 30 ma orderin g number : ena0253 monolithic linear ic for ntsc color television sets vif/sif/y/c/deflection implemented in a single chip
LA76814 no.a0253-2/35 electrical characteristics ta = 25 c, v cc = v 8 = v 43 = 5.0v, i cc = i 18 = 19ma, i cc = i 25 = 27ma ratings parameter symbol conditions min typ max unit circuit voltage, current if supply current i 8 v 8 = 5v, v 3 = 2.5v 61.0 ma rgb supply voltage v 18 i 18 = 19ma 8.0 v horizontal supply voltage v 25 i 25 = 27ma 5.0 v video supply current i 43 i 43 = 5v 94.0 ma vif block maximum rfagc voltage vrfh cw = 80db , dac = 0 8.5 9.0 vdc minimum rfagc voltage vrfl cw = 80db , dac = 63 0.0 0.3 0.7 vdc rf agc delay pt (@dac = 0) rfagc0 dac = 0 85 db rf agc delay pt (@dac = 63) rfagc63 dac = 63 75 db input sensitivity vi output-3db 43 46 db no-signal video output voltage vo n no signal 3.3 3.7 4.1 vdc sync signal tip level votip cw = 80db 1.1 1.4 1.7 vdc video output amplitude vo 80db , am = 78%, fm = 15khz 1.9 2.0 2.1 vp-p video s/n s/n cw = 80db 45 49 db c-s beat level ic-s v3.58mhz/v920khz 40 45 db differential gain dg 80db , 87.5% video mod 5.0 10.0 % differential phase dp 80db , 87.5% video mod 2.0 10.0 deg maximum aft output voltage vafth cw = 80db , frequency variations 4.3 4.7 5.0 vdc minimum aft output voltage vaftl cw = 80db , frequency variations 0.0 0.2 0.7 vdc aft detection sensitivity vafts cw = 80db , frequency variations 18.0 28.0 38.0 mv/khz apc pull-in range (u) fpu 1.0 mhz apc pull-in range (l) fpl 1.0 mhz sif block fm detection output voltage soadj 620 mvrms fm limiting sensitivity sls output -3db 47 55 db fm detection output f characteristics sf fm = 100khz -0.5 3.0 db fm detection output distortion sthd fm = 25khz 1.0 % am rejection ratio samr am = 30% 40 db sif s/n ssn din.andio 57 61 db de-emph time constant sntc 2.0 3.0 4.0 db bpf band characteristics sbw 1.5 db audio block maximum gain agmax 1khz -2.5 0.0 2.5 db variable range arange 60 65 db frequency characteristics af 20khz -3.0 0.0 3.0 db mute amute 70 75 db distortion athd 1khz, 400mvrms, vol: max 0.5 % s/n asn din.audio 65 70 db crosstalk act 70 75 db chroma block acc amplitude characteristics 1 accm1_n i nput: +6db/0db 0db = 40ire 0.8 1.0 1.2 deg acc amplitude characteristics 2 accm2_n input: -14db/0db 0.7 1.0 1.1 deg b-y/y amplitude ratio clrby 80 100 150 % color control characteristics 1 cl rmn color max/ce n 1.6 1.8 2.2 deg color control characteristics 2 clrmm color max/min 30 45 70 db color control sensitivity clrse 1 1.4 4 %/bit tint center tincen -10 0 10 deg tint variable range (+) tint+ 35 deg tint variable range (-) tint- -35 deg continued on next page.
LA76814 no.a0253-3/35 continued from preceding page. ratings parameter symbol conditions min typ max unit demodulation output ratio r-y/b-y rb_n r-y/b-y_angle_dac 0.80 0.90 1.00 deg demodulation output ratio g-y/b-y gb_n r-y/b-y_angle_dac 0.24 0.30 0.36 deg demodulation angle r-y/b-y angrb_n r- y/b-y_angle_dac = center 95 105 115 deg demodulation angle g-y/b-y anggb_n r-y/b- y_angle_dac = center -130 -118 -100 deg killer operating point kill_n 0db = 40ire -41 -35 -29 db apc pull-in range (+) pulin+_n 350 hz apc pull-in range (-) pulin-_n -350 hz residual higher harmonic level b e_car_b 300 mvp-p residual higher harmonic level r e_car_r 300 mvp-p residual higher harmonic level g e_car_g 300 mvp-p osd block osd fast sw threshol d fsth 1.7 2 2.5 v red rgb output level r osd c 100 ire green rgb output level g osd c 100 ire blue rgb output level b osd c 100 ire analog osd r output amplitude gain match r rgb 0.8 1 1.2 ratio analog osd g output amplitude gain match g rgb 0.8 1 1.2 ratio analog osd b output amplitude gain match b rgb 0.8 1.0 1.2 ratio rgb output (cutoff drive) block normal brt63 1.8 2.15 2.5 v hi brightness (max) brt127 15 20 25 ire brightness control low brightness (min) brt0 -25 -20 -15 ire cutoff control (min) vbias0 1.8 2.2 2.6 v (bias control) (max) vbias255 2.8 3.2 3.6 v resolution vbiassns 4 mv/bit sub-bias control resolution vsbiassns 8 mv/bit drive adjustment maximum output (r, b) rbout127 2.5 vp-p drive adjustment maximum output (g) gout15 2.15 vp-p output attenuation (r, b) rbout0 7 9 11 db output attenuation (g) gout0 3 5 7 db gamma correction rgb 78 85 92 ire video sw block video signal input 1dc voltage vin1dc 2.2 2.5 2.8 v video signal input 1ac voltage vin1ac 1 vp-p video signal input 2dc voltage vin2dc 2.2 2.5 2.8 v video signal input 2ac voltage vin2ac 1 vp-p svo terminal dc voltage svodc 1.7 2 2.3 v svo terminal ac voltage svoac 1.7 2 2.3 vp-p continued on next page.
LA76814 no.a0253-4/35 continued from preceding page. ratings parameter symbol conditions min typ max unit filter block chroma trap amount ntsc ctrap sharpness = 0 - 36.0 -26.0 -22.0 db c-bpf1a (3.08mhz) cbp308 reference: 3.58mhz -5.0 -1.5 0.0 db c-bpf1b (3.88/3.28mhz) cbp03 reference: 3.28mhz -2.0 0.0 2.0 db c-bpf1c (4.08/3.08mhz) cbp05 reference: 3.08mhz -3.0 0.0 3.0 db y-dl time1 s-vhs tdy1 filter sys = 100 300.0 350.0 400.0 ns y-dl time3 ntsc tdy3 filter sys = 000 530.0 580.0 630.0 ns video block video overall gain (contrast max) cont127 9.0 11.0 13.0 db normal/max cont63 -7.5 -6.0 -4.5 db contrast adjustment characteristics min/max cont0 -15.0 -12.0 -9.0 db normal sharp16 f = 2.2mhz, fi lter sys = 0000 5.0 8.0 11.0 db max sharp31 f = 2.2mhz, filt er sys = 0000 9.0 12.0 14.0 db sharpness variability range min sharp0 f = 2.2mhz, filter sys = 0000 -4.0 -1.0 2.0 db maximum black stretch gain bkstmax 20.0 25.0 30.0 ire black stretch threshold (60ire ? black) bkstth -5.0 0.0 5.0 ire dc transmission amount clampg 95.0 100.0 105.0 % horizontal/vertical blanking output level rgbblk 0.1 0.4 0.7 v video frequency characteristics 1 s-vhs bw1 7.0mhz/100khz -6 .0 -3.0 -1.0 db video frequency characteristics 3 ntsc bw3 2.6mhz/100khz -6 .0 -3.0 -1.0 db deflection block horizontal free-running frequency fh 15600 15734 15850 hz horizontal pull-in range fh pull 400 hz horizontal output pulse width hduty 36.1 37.6 39.1 s horizontal output pulse saturation voltage v hsat 0 0.2 0.4 v vertical free-running frequency 60 vfr60 262.0 262.5 263.0 h horizontal output pulse phase hphcen 9.5 10.5 11.5 s horizontal position adjustment range hphrange 5bit 2.2 s horizontal position adjustment maximum variability width hphstep 200.0 ns por circuit operating voltage vpor 3.70 4.00 4.30 v left @0 blkl0 blkl: 000 7500 8300 9100 ns left @7 blkl7 blkl: 111 10800 11600 12400 ns right @0 blkr0 blkr: 000 1800 2600 3400 ns horizontal blanking right @7 blkr7 blkr: 111 -1100 -300 500 ns pulse crest value h sandh 5.3 5.6 5.9 v pulse crest value m1 sandm1 3.7 4.0 4.3 v sand castle pulse crest value l sandl 0.1 0.4 0.7 v width bgpwd 3.5 4.0 4.5 s burst gate pulse phase bgpph 4.9 5.4 5.9 s x-ray protection circuit operating voltage vxray 0.59 0.69 0.79 v continued on next page.
LA76814 no.a0253-5/35 continued from preceding page. ratings parameter symbol conditions min typ max unit vertical screen size compensation ntsc@64 vsnt64 vsize: 100 0000 0.75 0.85 0.95 vp-p ntsc@0 vsnt0 vsize: 000 0000 0.40 0.50 0.60 vp-p vertical ramp output amplitude ntsc@127 vsnt127 vsize: 111 1111 1.05 1.20 1.35 vp-p high-voltage dependent vertical size correction vertical size correction @0 vsizec omp vcomp: 000 0.83 0.88 0.93 ratio vertical screen position adjustment ntsc@32 vdcnt32 vdc: 100000 2.25 2.40 2.55 vdc ntsc@0 vdcnt0 vdc: 000000 1.85 2.00 2.15 vdc vertical ramp dc voltage ntsc@63 vdcnt63 vdc: 111111 2.65 2.80 2.95 vdc @16 vlin16 vlin: 10000 0.85 1.00 1.15 ratio @0 vlin0 vlin: 00000 1.17 1.32 1.47 ratio vertical linearity @31 vlin31 vlin: 11111 0.57 0.72 0.87 ratio @16 vscor16 vsc: 10000 0.55 0.70 0.85 ratio @0 vscor0 vsc: 00000 0.85 1.00 1.15 ratio vertical s-shaped correction @31 vscor31 vsc: 11110 0.36 0.51 0.66 ratio akb akb dc threshold akbdc 2.2 2.5 2.8 v package dimensions unit : mm 3273 sanyo : dip54s(600mil) 47.58 13.8 1.05 0.48 (0.65) 1.78 (4.0) 3.8 5.0max 0.51min 15.24 0.25 127 54 28
LA76814 no.a0253-6/35 block diagram and test circuit v/c gnd bpf spll bpf fm det sw dc vol if agc video det video amp video sw aft clmp trap bpf aoc kil demo apc1 tint vxo filter adj cw kil fbp hor vco hor c/d x-ray color clamp bus abl clamp drive/out-off osd sw rgb matrix sw delay line peaking coring black stretoh dc rest sync sep a2c pll rf agc lim amp vif clmp osd fix gain contrast bright 1/256 afc1 afc2 phase shifter hor out hor v cc ver ramp akb ver c/d ver sep 54 54 52 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 123456789101112131415161718192021222324252627 50 ? 51 600 ? 100k ? 46 43 40 32 29 28 37 45 100k ? 34 3k ? 330 ? 4.7k ? 680k ? 3k ? 103 1 f 44a 44b 75 ? 1 f 42a 42b 75 ? 24k ? 24k ? 1k ? 27 10k ? 1 f 16a 16b 0.47 f 100 f 0.47 f 16k ? 10k ? 3k ? 0.47 f 1 f 103 102 103 10 f 0.01 f 1000pf 25 24 21 16k ? 20 16k ? 19 1k ? 1k ? 17 100k ? 50 ? 30k ? 100k ? 10 9 8 4 3 1 2 23 22 0.33 f (m) 0.33 f (m) 1 f 0.015 f 10 f 10 f 103 18 13 12 100 f 1 f 100 f 103 104 103 103 223 f (m) 103 (m) 103 103 100pf 103 15a 15b 1k ? 103 14a 14b 1k ? 1k ? 100 ? 11 5 100pf 100 ? 103 10k ? 10k ? 2k ? 10k ? 1k ? 2k ? 1.5k ? 472f vco metal film 1k ? 1k ? 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 1500pf 2200pf nc nc +7.6v +7.6v +5v +7.6v delay2 (9us) width(12us) lc4528b 9v ifsw1 (m) 16pf 3.38 n.c n.c v cc (m) * 103 : 10000pf * m: indicates a mylar capacitor hor gnd
LA76814 no.a0253-7/35 test conditions ta = 25 c, v cc = v 8 = v 43 = 5.0v, i cc = i 25 = 27ma. circuit voltage, current parameter symbol test point input signal test method bus conditions horizontal supply voltage hv cc 25 apply a current of 27ma to pin 25 and measure the voltage at pin 25. initial if supply current i 8 8 no signal apply a voltage of 5.0v to pin 43 and measure the incoming dc current [ma]. initial video/vertical supply current i 43 43 apply a voltage of 5.0v to pin 43 and measure the incoming dc current [ma]. initial
LA76814 no.a0253-8/35 vif block input signals and test conditions 1. input signals must all be input to the pif in (pin 6) in the test circuit. 2. all input signal voltage values are the levels at the vif in (pin 6) in the test circuit. 3. signal contents and signal levels. input signal waveform conditions sg1 cw 45.75mhz sg2 cw 42.17mhz sg3 cw 41.25mhz sg4 cw frequency variable sg5 45.75mhz 87.5% video mod. 10-stairstep wave (subcarrier: 3.58mhz) sg6 45.75mhz fm = 15khz, am = 78% 4. before measurement, ad just the dac as follows. parameter test point input signal adjustment video level dac 46 sg6, 80db set the output level at pin 46 as close to 2.0vp-p as possible.
LA76814 no.a0253-9/35 vif block test conditions input signal symbol test point inpu t signal test method bus conditions maximum rf agc voltage vrfh 4 sg1 80db measure the dc voltage at pin 4. rf.agc = "000000" minimum rf agc voltage vrfl 4 sg1 80db measure the dc voltage at pin 4. rf.agc = "111111" (@dac = 0) rfagc0 4 sg1 obtain the input level at which the dc voltage at pin 4 becomes 4.5v. rf.agc = "000000" rf agc delay pt (@dac = 63) rfagc63 4 sg1 obtain the input level at which the dc voltage at pin 4 becomes 4.5v. rf.agc = "111111" input sensitivity vi 46 sg6 using an oscilloscope, observe the level at pin 46 and obtain the input level at which the waveform's p-p value becomes 1.4vp-p. no-signal video output voltage von 46 no signal set if agc = ?1? and measure the dc voltage at pin 46. if.agc = ?1? sync signal tip level votip 46 sg1 80db measure the dc voltage at pin 46. video output amplitude vo 46 sg6 80db using an oscilloscope, observe the level at pin 46 and measure the waveform?s p-p value. video s/n s/n 46 sg1 80db measure the noise voltage at pin 46 with an rms voltmeter through a 10khz to 4.2mhz band-pass filter. vsn 20log (1.0/vsn). c-s beat level ic-s 46 sg1 sg2 sg3 input a 80db sg1 signal and measure the dc voltage (v3) at pin 3. mix sg1 = 74db , sg2 = 69db , and sg3 = 49db to enter the mixture in the vif in. apply v3 to pin 3 from an external dc power supply. using a spectrum analyzer, measure the difference between pin 46?s 3.58mhz component and 920khz component. differential gain dg 46 sg5 80db using a vector scope, meas ure the level at pin 46. differential phase dp 46 sg5 80db using a vector scope, meas ure the level at pin 46. maximum aft output voltage vafth 10 sg4 80db set and input the sg4 frequency to 44.75mhz. measure the dc voltage at pin 10 at that moment. minimum aft output voltage vaftl 10 sg4 80db z set and input the sg4 frequency to 46.75mhz. measure the dc voltage at pin 10 at that moment. aft detection sensitivity vafts 10 sg4 80db z adjust the sg4 frequency and measure frequency deviation ? f when the dc voltage at pin 10 changes from 1.5v to 3.5v. vafts = 2000/ ? f [mv/khz] apc pull-in range (u), (l) fpu, fpl 46 sg4 80db connect an oscilloscope to pin 46 and adjust the sg4 frequency to a frequency higher than 45.75mhz to bring the pll into unlocked mode. (a beat signal appears.) lower the sg4 frequency and measure the frequency at which the pll locks again. in the same manner, adjust the sg4 frequency to a lower frequency to bring the pll into unlocked mode. lower the sg4 frequency and measure the frequency at which the pll locks again.
LA76814 no.a0253-10/35 sif block (fm block) input signals and test conditions unless otherwise specified, the following conditions apply when each measurement is made. 1. bus control condition: if.agc. = "1" 2. ifsw1 = "on" 3. input signals are input to pin 54 and the carrier frequency is 4.5mhz. parameter symbol test point input signal test method bus conditions fm detection output voltage soadj 2 90db , fm = 400hz, fm = 25khz adjust the dac (fm.level) to 7 and measure the 400hz component of the fm detection output at pin 2. sv1[mvrms] fm.level = 7 fm limiting sensitivity sls 2 fm = 400hz, fm = 25khz measure the input level (db ) at which the 400hz component of the fm detec tion output at pin 2 becomes -3db relative to sv1. fm.level = 7 fm detection output f characteristics (fm = 100khz) sf 2 90db , fm = 100khz fm = 25khz set ifsw1 = "off". measure the fm detection output of pin 2. sv2[mvrms] sf = 20log (sv1/sv2) [db] fm.level = 7 fm detection output distortion sthd 2 90db , fm = 400hz, fm = 25khz measure the distortion factor of the 400hz component of the fm detec tion output at pin 2. fm.level = 7 am rejection ratio samr 2 90db , fm = 400hz, am = 30% measure the 400hz component of the fm detection output at pin 2. assign the measured value to sv3. sv3[mvrms] samr = 20log (sv1/sv2) [db] fm.level = 7 sif.s/n ssn 2 90db , cw measure the noise level (din audio) at pin 2. sv4[mvrms] ssn = 20log (sv1/sv4) [db] fm.level = 7 nt de-emph time constant sntc 2 90db , fm = 2.12khz fm = 25khz measure the 2.12khz component of the fm detection output at pin 2. sv5[mvrms] sntc = 20log (sv1/sv5) [db] fm.level = 7 bpf band characteristics sbw 2 90db , cw set sw: if1 = "off". pin 9 = 5v measure the 646khz component at pin 2. sv6[mvrms] set the input frequency to 4.65mhz to the input frequency and measure the 496khz component at pin 2. sv7[mvrms] sbw = 20log (sv6/sv7) [db] fm.level = 7
LA76814 no.a0253-11/35 audio block input signals and test conditions unless otherwise specified, the following conditions apply when each measurement is made. 1. bus control condition: audio.mute = "0", audio.sw = "1", vol.fil = "0", if.agc. = "1" 2. input 4.5mhz, 90db and cw at pin 54. 3. enter an input signal from pin 51. parameter symbol test point input signal test method bus conditions maximum gain agmax 1 1khz, cw 400mvrms measure the 1khz component at the pin 1. v1[mvrms] agmax = 20log (v1/400) [db] volume = "1111111" variable range arange 1 1khz, cw 400mvrms measure the 1khz component at the pin 1. v2[mvrms] arange = 20log (v1/v2) [db] volume = "0000000" frequency characteristics af 1 20khz, cw 400mvrms measure the 20khz component at the pin 1. v3[mvrms] af = 20log (v3/v1) [db] volume = "1111111" mute amute 1 1khz, cw 400mvrms measure the 20khz component at the pin 1. v4[mvrms] amute = 20log (v1/v4) [db] volume = "1111111" audio.mute = ?1? distortion athd 1 1khz, cw 400mvrms measure the distortion of the 1khz component at the pin 1. volume = "1111111" s/n asn 1 no signal measure the noise level (din audio) at the pin 1. v5[mvrms] asn = 20log (v1/v5) [db] volume = "1111111" crosstalk act 1 1khz, cw 400mvrms measure the 1khz component at the pin 1. v6[mvrms] act = 20log (v1/v6) [db] volume = "1111111" audio.sw = "0"
LA76814 no.a0253-12/35 chroma input signal: c-1 77ire signal (l-77) c-2 c-3 c-4 c-5 burst 0 90 180 270 3.58mhz 40ire burst 3.58mhz 346 40ire 62.5ire burst 3.48mhz cw (if a frequency is specified, use the specified frequency.) 77 ire 0 ire 28 73 118 163 40ire burst 35 s 3.53mhz chroma 40ire
LA76814 no.a0253-13/35 chroma block test conditions parameter symbol test point inpu t signal test method bus conditions charac- teristics 1 accm1 bout 21 c-1 0db +6db measure the output when 0db is applied to the chroma input and the output amplitude when +6db is applied to the chroma input and calculate the ratio between them. accm1 = 20log (+6dbdata/0dbdata) acc amplitude charac- teristics 2 accm2 bout 21 c-1 -14db measure the output when 0db is applied to the chroma input and the output amplitude when -14db is applied to the chroma input and calculate the ratio between them.. accm2 = 20log (-14dbdata/0dbdata) yin: l77 c-1:no signal measure the y system ?s output level. v1 b-y/y amplitude ratio clrby 21 c-2 input a signal to the cin (only sync signal to the yin) and measure the output level to calculate as follows: clrby = 100 (v2/v1)+15% charac- teristics 1 clrmn 21 c-3 measure the output amp litude v1 at color control max mode and output amplitude v2 at color control nom mode. clrmn = v1/v2 color: 1111111 (max) color: 1000000 (nom ) color control charac- teristics 2 clrmm 21 c-3 measure the output amp litude v3 at color control min mode. clrmm = 20log (v1/v3) color: 0000000 (min) color control sensitivity clrse 21 c-3 measure the output amp litude v4 at color control 90 mode and output amplitude v5 at color control 38 mode to calculate as follows: clrse = 100 (v4-v5)/(v2 52) color: 1011010 color: 0100110 tint center tincen 21 c-1 measure each part of the output waveform and calculate the b-y axis angle. tint: 1000000 max tinmax 21 c-1 measure each part of the output waveform and calculate the b-y axis angle as follows: tinmax = b-y axis angle-tincen tint: 1111111 tint control min tinmin 21 c-1 measure each part of the output waveform and calculate the b-y axis angle as follows: tinmin = b-y axis angle-tincen tint: 0000000 tint control sensitivity tinse 21 c-1 measure the angle a1 at tint control 85 mode and angle a2 at tint control 42 mode. tinse = (a1-a2)/43 tint: 1010101 tint: 0101010 demodulation output ratio r-y/b-y rb 19 20 21 yin: l77 c-1: no signal yin: 0 ire c-3 input a signal to yin and adjust dac in r and b drives so that the y output levels at pins 17 and 19 become as close to the level at 18 as possible. (*1) after that, input 0 ire to yin and c-3 to cin. measure bout output amplitude vb and rout output amplitude vr and calculate rb=vr/vb. color: 1000000 adjustment value in b and r drives: *1 demodulation output ratio g-y/b-y gb 20 c-3 measure gout output amplitude vg and calculate gb = vg/vb. for the r/b drive, the adjustment value: *1 applies. color: 1000000 adjustment value in b and r drives: *1 demodulation angle r-y/b-y angrb 21 19 c-1 measure each output level of the bout and rout and calculate the angles of the b-y axis and r-y axis. angbr = (r-y angle)-(b-y angle) continued on next page.
LA76814 no.a0253-14/35 continued from preceding page. parameter symbol test point inpu t signal test method bus conditions demodulation angle g-y/b-y anggb 20 c-1 measure each output level of the gout and calculate the angle of the g-y axis. angbg = (g-y angle)-(b-y angle) killer operating point kill 21 c-3 reduce the input signal until the output level becomes 50mvp-p or less. measure the input level at that moment. chroma vco free-running frequency cvcof 35 cin: no signal measure oscillation frequency f. cvcof = f-3579545 (hz) fsc output amplitude c_fsc 21 c-1 measure 3.58mhz cw output amplitude at pin 37. chroma bpf block test conditions parameter symbol test point inpu t signal test method bus conditions 3.08mhz cbp308 21 c-3 measure v5 output amplitude. set the chroma frequency (cw) to 3.08mhz and measure v6 output amplitude. cbe308 = 20log (v6/v5) filter.sys: 1 c.bypass: 0 3.88/3.28 mhz cbp03 21 c-3 measure v7 output amplitude when the chroma frequency (cw) is 3.28mhz and v8 output amplitude when it (cw) is 3.88 mhz. cbe = 20log (v8/v7) filter.sys: 1 c.bypass :0 band-pass amplitude character- istic 4.08/3.08 mhz cbp05 21 c-3 set the chroma frequency (cw) to 4.08mhz and measure v9 output amplitude. cbe05 = 20log (v9/v6) filter.sys: 1 c.bypass: 0
LA76814 no.a0253-15/35 video block input signals and test conditions chroma input signal* chroma or burst signal: 40 ire y input signal: 1001re (714mv) bus control bit conditions: initial state 0ire signal (l-0): ntsc standard signal xire signal (l-x) cw signal (l-cw) black stretch 0ire signal (l-bk) pedestal level h sync 4.7 s (h/v sync: 40ire: 286mv) xire (x = 0 to 100) 0ire 20ire cw signal 50ire 50
LA76814 no.a0253-16/35 r/g/b in input signal rgb input signal 1 (0-1) rgb input signal 2 (0-2) first conditions: pin 13: 5v, pin 14: gnd, pin 15: gnd, pin 16: gnd, pin 17: gnd. to each 20
LA76814 no.a0253-17/35 video block test conditions parameter symbol test point inpu t signal test method bus conditions video overall gain (contrast max) cont127 21 l-50 measure the output signal?s 50ire amplitude. cnthb[vp-p] cont127 = 20log (cnthb/0.357). contrast: 1111111 normal /max cont63 21 l-50 measure the output signal?s 50ire amplitude. cntcb[vp-p] cont63 = 20log (cntcb/0.357). contrast: 0111111 contrast adjustment characterist ics min/ max cont0 21 l-50 measure the output signal?s 50ire amplitude. cntlb[vp-p] cont0 = 20log (cntlb/0.357). contrast: 0000000 svhs bw1 21 l-cw with the input signal?s continuous wave = 100khz, measure the output signal?s continuous wave amplitude. peakdc[vp-p] with the input signal?s continuous wave = 7mhz, measure the output signal?s continuous wave amplitude. cw7[vp-p] bw1 = 20log (cw7/peakdc) filter sys: 100 sharpness: 000000 video frequency characteris tics ntsc bw3 21 l-cw with the input signal?s continuous wave = 2.5mhz, measure the output signal?s continuous wave amplitude. cw2.5[vp-p] bw3 = 20log (cw2.5/peakdc) filter sys: 0000 sharpness: 000000 with the input signal?s continuous wave = 3.58mhz, measure the output signal?s continuous wave amplitude. f00[vp-p] filter sys: 000 sharpness: 000000 chroma trap amount ctrap 21 l-cw ctrap = 20log (f00/peakdc) l-0 measure the output signal?s 0ire dc level. brtpl[v] brightness: 0000000 contrast: 1111111 dc transmission amount clampg 21 l-100 measure the output signal?s 0ire dc level: drvph[v] and 100ire amplitude: drvh[vp-p]. clampg = 100 (1+(drvph-brtpl)/drvh). brightness: 0000000 contrast: 1111111 svhs tdy1 21 l-50 obtain the time difference (the delay time) from when the rise of the input signal's 50ire amplitude to the output signal's 50ire amplitude. filter sys: 100 y-dl time ntsc tdy3 21 l-50 obtain the time difference (the delay time) from when the rise of the input signal's 50ire amplitude to the output signal's 50ire amplitude. filter sys: 000 measure the 0ire dc level at point a of the output signal in the black stretc h defeat (black stretch off) mode. bkst1[v] measure the 0ire dc level at point a of the output signal in the black stretch on mode. bkst2[v] blk str def: 0 maximum black stretch gain bkstmax 21 l-bk bkstmax = 2 50 (bkst1-bkst2)/cnthb measure the 40ire dc level of the output signal in the black stretch defeat on mode. bkst3[v] blk str def: 0 measure the 60ire dc level of the output signal in the black stretch defeat (black stretch off) mode. bkst4[v] black stretch threshold ? black (60ire ? black) bkstth ? 21 l-40 bkstth ? = 50 (bkst4-bkst3)/cnthb continued on next page.
LA76814 no.a0253-18/35 continued from preceding page. parameter symbol test point inpu t signal test method bus conditions with the input signal?s continuous wave = 2.2mhz, measure the output signal?s continuous wave amplitude. f00s16 [vp-p] filter sys: 000 sharpness: 10000 normal sharp16 l-cw calculate sharp16 = 20log (f00s16/peakdc). with the input signal?s continuous wave = 2.2mhz, measure the output signal?s continuous wave amplitude. f00s31 [vp-p] sharpness: 11111 max sharp31 l-cw calculate sharp31 = 20log (f00s31/peakdc). with the input signal?s continuous wave=2.2mhz, measure the output signal?s continuous wave amplitude. f00s0 [vp-p] sharpness: 00000 sharpness variability characteri stics min sharp0 21 l-cw calculate sharp0 = 20log (f00s0/peakdc). horizontal/vertical blanking output level rgbblk 21 l-100 measure the dc level (rgbblk v) for the output signal?s blanking period. osd block test conditions when measuring the osd block, set the bus bit to 63(0111111) for contrast, 63(0111111) for brightness. parameter symbol test point inpu t signal test method bus conditions osd fast sw threshold fsth 21 l-0 o-2 apply voltage to pin 17 and measure the voltage at pin 17 at the point where the output signal switches to the osd signal. pin 14a: o-2 applied l-50 measure the output signal?s 50ire amplitude. cntcr [vp-p] l-0 o-2 measure the osd output amplitude. osdhr [vp-p] pin 17: 3.5v pin 14a: o-2 applied red rgb output level rosdc 19 rosdh = 50 (rosdh /cntcr) l-50 measure the output signal?s 50ire amplitude. cntcg [vp-p] l-0 o-2 measure the osd output amplitude. osdhg [vp-p] pin 17: 3.5v pin 15a: o-2 applied green rgb output level gosdc 21 gosdc = 50 (osdhg/cntcg) l-50 measure the output signal?s 50ire amplitude. cntcb [vp-p] l-0 o-2 measure the osd output amplitude. osdhb [vp-p] pin 17: 3.5v pin 16a: o-2 applied blue rgb output level bosdc 21 bosdc = 50 (osdhb/cntcb) analog osd r output level 19 l-0 o-1 measure the amplitudes at point a (0.35v portion of the input signal 0-1) and point b (0.7v portion of the input signal 0-1) of the output signal. assign the measured values to rgblr vp-p and rgbhr vp-p, respectively. pin 17 : 3.5v pin 14a : o-1 applied gain match rrgb rrgb = rgblr/cntcr. linearity lrrgb lrrgb = 100 (rgblr/rgbhr). analog osd g output level 20 l-0 o-1 measure the amplitudes at point a (0.35v portion of the input signal 0-1) and point b (0.7v portion of the input signal 0-1) of the output signal. assign the measured values to rgblg vp-p and rgbhg vp-p, respectively. pin 17: 3.5v pin 15a: o-1 applied gain match grgb grgb = rgblg/cntcg. linearity lgrgb lgrgb = 100 (rgblg/rgbhg). continued on next page.
LA76814 no.a0253-19/35 continued from preceding page. parameter symbol test point inpu t signal test method bus conditions analog osd b output level 21 l-0 o-1 measure the amplitudes at point a (0.35v portion of the input signal 0-1) and point b (0.7v portion of the input signal 0-1) of the output signal. assign the measured values to rgblb vp-p and rgbhb vp-p, respectively. pin 17: 3.5v pin 16a: o-1 applied gain match brgb brgb = rgblb/cntcb. linearity lbrgb lbrgb = 100 (rgblb/rgbhb). rgb output block (cutoff, drive block) test conditions when measuring the rgb block, set the bus bit to 127(01111111) for contrast. parameter symbol test point inpu t signal test method bus conditions measure the 0ire dc levels of the rgb output signals. r output (pin 19) brtpcr [v] g output (pin 20) brtpcg [v] b output (pin 21) brtpcb [v] brightness: 01111111 normal brt63 19 20 21 brt63 = (brtpcr+brtpcg+brtpcb)/3. measure the 0ire dc level of the output signal of b output (21). brtphb [v] brightness: 1111111 max brt127 brt127 = 50 (brtphb-brtpcb)/cnthb. measure the 0ire dc level of the output signal of b output (21). brtphb [v] brightness: 0000000 brightness control min brt0 21 l-0 brt0 = 50 (brtplb-brtpcb)/cnthb. min vbias0 measure the 0ire dc levels of the rgb output signals. r output (pin 19) vbias0r [v] g output (pin 20) vbias0g [v] b output (pin 21) vbias0b [v] sub-brightness: 0000000 bias (cutoff) control max vbias255 measure the 0ire dc levels of the rgb output signals. r output (pin 19) vbias255r [v] g output (pin 20) vbias255g [v] b output (pin 21) vbias255b [v] sub-brightness: 1111111 red/green/blue bias: 11111111 measure the 0ire dc levels of the rgb output signals. r output (pin 19) bas80r [v] g output (pin 20) bas80g [v] b output (pin 21) bas80b [v] red/green/blue bias:01010000 measure the 0ire dc levels of the rgb output signals. r output (pin 19) bas48r [v] g output (pin 20) bas48g [v] b output (pin 21) bas48b [v] red/green/blue bias: 00110000 bias (cutoff) control resolution vbiassns 19 20 21 l-50 vbiassns* = (bas80*-bas48*)/32 *: r, g, b measure the 0ire dc levels of the rgb output signals. r output (pin 19) sbtpmr [v] g output (pin 20) sbtpmg [v] b output (pin 21) sbtpmb [v] sub-brightness: 0101010 contrast: 0111111 sub-bias control resolution vsbiassns l-50 vsbiassns* = (brtpc*-sbtpm*) *: r, g, b continued on next page.
LA76814 no.a0253-20/35 continued from preceding page. input signal symbol test point inpu t signal test method bus conditions drive adjustment maximum output rbout127 gout15 measure the 100ire amplit ude of the r, b output signals. r output (pin 19) drvhr [vp-p] b output (pin 21) drvhb [vp-p] measure the 0ire dc levels of the g output signals. g output (pin 20) drvhg [vp-p] brightness: 0000000 measure the 100ire amplit ude of the r, b output signals. r output (pin 19) drvlr [vp-p] b output (pin 21) drvlb [vp-p] measure the 0ire dc levels of the g output signals. g output (pin 20) drvhg [vp-p] brightness: 0000000 red/blue drive: 0000000 output attenuation rbout0 gout0 19 20 21 l-100 rbout0* = 20log (drvh*/drvl*) gout0* = 20log (drvh*/drvl*) measure the 100ire amplit ude of the rgb output signals with gamma def being on and off. *a, *b [vp-p] gamma def: off, on b gamma sel: 11, 00 gamma correction r g b 19 20 21 l-100 * = 100*(*a/*b) * : r, g, b video sw block test conditions when measuring the video sw block, set the bus bit to 63(0111111) for contrast, 63(0111111) for brightness. input signal symbol test point inpu t signal test method bus conditions video signal input 1dc voltage v in 1dc 42 l-100 input signals to pin 42 and measure the voltage of the pedestal. video sw: 1 video signal input 2dc voltage svodc 44 l-100 input signals to pin 44 and measure the voltage of the pedestal. video sw: 0 svo terminal dc voltage svodc 40 l-100 input signals to pin 42 and measure the voltage of the pedestal at pin 40. video sw: 1 svo terminal ac voltage svoac 40 l-100 input signals to pin 42 and measure the voltage of the pedestal at pin 40. vide0 sw: 1
LA76814 no.a0253-21/35 deflection block input si gnals and test conditions unless otherwise specified, the following conditions apply when each measurement is made. 1. vif, sif blocks: no signal 2. c input: no. signal 3. sync input: a horizontal/vertical composite sync signal ntsc: 40ire, horizontal sync signal (15.734264khz) and vertical sync signal (59.94khz) note: no burst signal, chroma signal shall exist below the pedestal level. 4. bus control conditions: initial conditions unless otherwise specified. 5. the delay time from the rise of the horizontal output (pin 27 output) to the fall of the fbp in (pin 28 input) is 9 s. 6. pin 13 (abl input, vertical size correctio n circuit input terminal) is connected to v cc (5.0v). burst signal chroma signal signal unsuitable for y input signal suitable for y input
LA76814 no.a0253-22/35 deflection block test conditions input signal symbol test point inpu t signal test method bus conditions horizontal free-running frequency fh 27 y in: no signal connect a frequency counter to the output of pin 27 (h out) and measure the horizontal free-running frequency. horizontal pull-in range fh pull 42 yin: horizontal/ vertical sync signal using an oscilloscope, monitor the horizontal sync signal which is input to the y in (pin 42) and the pin 27 output (h out) and vary the horizontal signal frequency to measure the pull-in range. horizontal output pulse length hduty 27 y in: horizontal/ vertical sync signal measure the voltage for the pin 27 horizontal output pulse?s low-level period. horizontal output pulse saturation voltage v hsat 27 y in: horizontal/ vertical sync signal measure the voltage for the pin 27 horizontal output pulse?s low-level period. vertical free-running period 60 (ntsc) vfr60 23 y in: no signal measure the vertical output period t at pin 23 t 15.734khz cdmode: 0 horizontal output pulse hphcen 27 42 y in: horizontal/ vertical sync signal measure the delay time from to the rise of the pin 27 horizontal output pulse to the fall of the y in horizontal sync signal. horizontal position adjustment range hphrange 27 42 y in: horizontal/ vertical sync signal with h phase: 0 and 31, measure the delay time from the rise of the pin 27 horizontal output pulse to the fall of the y in horizontal sync signal and calculate the difference from h phcen. h phase: 00000 h phase: 11111 continued on next page. t 2.5v vertical output hphcen 20ire 2.5v horizontal output measuring hphcen 20ire 2.5v horizontal output
LA76814 no.a0253-23/35 continued from preceding page. input signal symbol test point inpu t signal test method bus conditions horizontal position adjustment maximum variable width hphstep 27 42 y in: horizontal/ vertical sync signal with h phase: 0 to 31 varied, measure the delay time from to the rise of the pin 27 horizontal output pulse to the fall of the y in horizontal sync signal and calculate the variation at each step. retrieve data for maximum variation. h phase: 00000 to h phase: 11111 por circuit operating voltage vpor 25 y in: horizontal/ vertical sync signal connect a dc power supply in place of the current source to pin 25 and gradually decrease the voltage from 5.0v until the bus read tatus [por][status1 (da01) becomes "1". measure the dc voltage at pin 28 at the moment. @0 blkl0 measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkl = 000. blkl: 000 horizontal blanking left variable range @7 blkl7 21 42 y in: horizontal/ vertical sync signal measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkl = 111. blkl: 111 continued on next page. measuring hphcen 20ire horizontal output blue out hsync y in t blue out hsync y in t
LA76814 no.a0253-24/35 continued from preceding page. input signal symbol test point inpu t signal test method bus conditions @0 blkr0 measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkr = 000. blkr: 000 horizontal blanking right variable range @7 blkr7 21 42 y in: horizontal/ vertical sync signal measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkr = 111. blkr: 111 h sandh measure the supply voltage at point h of the pin 28 fbp in wave form for hsync period. m1 sandm1 measure the supply voltage at point m1 of the pin 28 fbp in wave form for hsync period. sand castle pulse crest value l sandl 28 y in: horizontal/ vertical sync signal measure the supply voltage at point l of the pin 28 fbp in wave form for hsync period. burst gate pulse length bgpwd 28 y in: horizontal/ vertical sync signal measure the bgp width t of the pin 28 fbp in wave form for hsync period. continued on next page. t blue out hsync y in t blue out hsync y in t h m1 l
LA76814 no.a0253-25/35 continued from preceding page. input signal symbol test point inpu t signal test method bus conditions burst gate pulse i phase bgpph 28 42 y in: horizontal/ vertical sync signal measure the time from the left end of hsync at pin 42 y in to the left end of the pin 28 fbp in wave form for hsync period. x-ray protection circuit operating voltage vxray 27 34 y in: horizontal/ vertical sync signal connect a dc power supply to pin 34 and gradually increase the voltage from 0v until the pin 27 horizontal output pulse ceases. measure the dc voltage at pin 34 at that moment. vertical screen size correction input signal symbol test point inpu t signal test method bus conditions @64 vsnt64 monitor the pin 23 vertical ramp output and measure the voltage at line 22 and line 262. calculate as follows: vspal64 = vline262-vline22 @0 vsnt0 monitor the pin 23 vertical ramp output and measure the voltage at line 22 and line 262 calculate as follows: vspal64 = vline262-vline22 vsize: 0000000 vertical ramp output amplitude @127 vsnt127 23 y in: horizontal/ vertical sync signal monitor the pin 23 vertical ramp output and measure the voltage at line 22 and line 262 calculate as follows: vspal64 = vline262-vline22 vsize: 1111111 . y in hsync fb pin t line 262 line 22 vertical ramp output line 262 line 22 vertical ramp output line 262 line 22 vertical ramp output
LA76814 no.a0253-26/35 high-voltage dependent vertical size correction input signal symbol test point inpu t signal test method bus conditions vertical size correction @0 vsizecomp 23 y in: horizontal/ vertical sync signal monitor the pin 23 vertical ramp output and measure the voltage at the line 22 and line 262 with vcomp = 000. calculate as follows: va = vline262-vline22 apply 4.0v to pin 11 and measure the voltage at the line 22 and line 262 again. calculate as follows: va = vline262-vline22 calculate as follows: vsizecomp = vb/va vcomp: 000 vertical screen position adjustment input signal symbol test point inpu t signal test method bus conditions @32 vdcnt32 monitor the pin 23 vertical ramp output and measure the voltage at line 142. @0 vdcnt0 monitor the pin 23 vertical ramp output and measure the voltage at line 142. vdc: 000000 vertical ramp dc voltage @63 vdcnt63 23 y in: horizontal/ vertical sync signal monitor the pin 23 vertical ramp output and measure the voltage at line 142. vdc: 111111 continued on next page. line 262 line 22 vertical ramp output line 142 vertical ramp output line 142 vertical ramp output line 142 vertical ramp output
LA76814 no.a0253-27/35 continued from preceding page. input signal symbol test point inpu t signal test method bus conditions @16 vlin16 monitor the pin 23 vertical ramp output and measure the voltage at line 22, line 142 and 262. assign the respective measured values to va, vb and vc. calculate as follows: vlin16 = (vb-va)/(vc-vb) @0 vlin0 monitor the pin 23 vertical ramp output and measure the voltage at line 22, line 142 and 262. assign the respective measured values to va, vb and vc. calculate as follows: vlin0 = (vb-va)/(vc-vb) vlin: 00000 vertical linearity @31 vlin31 23 y in: horizontal/ vertical sync signal monitor the pin 23 vertical ramp output and measure the voltage at line 22, line 142 and 262 with vlin = 11111. assign the respective measured values to va, vb and vc. calculate as follows: vlin31 = (vb-va)/(vc-vb) vlin: 11111 continued on next page. line 262 line 22 line 142 vertical ramp output line 262 line 22 line 142 vertical ramp output line 262 line 22 line 142 vertical ramp output
LA76814 no.a0253-28/35 continued from preceding page. input signal symbol test point inpu t signal test method bus conditions @16 vscor16 monitor the pin 23 vertical ramp output and measure the voltage at line 32, line 52, line 132, line 152, line 232 and 252. assign the respective measured values to va, vb, vc, vd, ve and vf. calculate as follows: vscor16 = 0.5((vb-va)+(vf-ve))/(vd-vc) vs: 10000 @0 vscor0 monitor the pin 23 vertical ramp output and measure the voltage at the line 32, line 52, line 132, line 152, line 232 and line 252 with vsc = 000. assign the respective measured values to va, vb, vc, vd, ve and vf. calculate as follows: vscor0 = 0.5((vb-va)+(vf-ve))/(vd-vc) vertical s-shaped correction @31 vscor31 23 y in: horizontal/ vertical sync signal monitor the pin 23 vertical ramp output and measure the voltage at line 32, line 52, line 132, line 152, line 232 and line 252 with vsc = 000. assign the respective measured values to va, vb, vc, vd, ve and vf. calculate as follows: vscor31 = 0.5((vb-va)+(vf-ve))/(vd-vc) vsc: 11111 akb dc threshold akbdc 22 y in: horizontal/ vertical sync signal pal or ntsc increase the dc voltage applied at pin 22 from 2.0v to 3.0v gradually and measure the dc voltage at pin 22 when bus read status, [akb (r, g, b)] and [status2 (da01, da02, da03)] become (1, 1, 1). vertical ramp output line 132 line 32 line 152 line 252 line 52 line 232 vertical ramp output line 132 line 32 line 152 line 252 line 52 line 232 vertical ramp output line 132 line 32 line 152 line 252 line 52 line 232
LA76814 no.a0253-29/35 control register bit allocation map control register bit allocations sub address msb data bits lsb da0 da1 da2 da3 da4 da5 da6 da7 on/off afc gain&gate h.freq 00000000 1 0 1 1 1 1 1 1 h blk sw audio.mute video.mute h.pahse 00001 0 0 0 1 0 0 0 0 sync.kill v.size 00010 0 1 0 0 0 0 0 0 vsepup v.kill v.posi 00011 0 0 1 0 0 0 0 0 gray mode cross b/w v.lin 00100 0 0 0 1 0 0 0 0 h blk r&l v.sc 00101 1 0 0 0 0 0 0 0 v.test v.comp count.dow n.mode * * 00110 0 0 1 1 1 0 (0) (0) r.bias 00111 0 0 0 0 0 0 0 0 g.bias 01000 0 0 0 0 0 0 0 0 b.bias 01001 0 0 0 0 0 0 0 0 * r.drive 01010 (0) 1 1 1 1 1 1 1 drive.test b select rg def g.drive 01011 0 0 0 1 1 0 0 0 * b.drive 01100 (0) 1 1 1 1 1 1 1 blank.def sub.bright 01101 0 1 0 0 0 0 0 0 * bright 01110 (0) 1 0 0 0 0 0 0 * contrast 01111 (0) 1 0 0 0 0 0 0 osd cnt.test osd contrast 10000 0 * (0) * (0) * (0) * (0) * (0) 0 0 blk.str.deff coring sharpness 10001 1 1 0 0 0 0 0 0 tint.test tint 10010 0 1 0 0 0 0 0 0 color.test color 10011 0 1 0 0 0 0 0 0 video sw trap.test * filter.sys 10100 0 1 0 0 (0) 0 * 0 akb b/w akb def c.temp.r 10101 0 0 1 0 0 0 0 0 * fbpblk.sw c.temp.g 10110 (0) 1 1 0 0 0 0 0 akb test c.temp.b 10111 0 0 1 0 0 0 0 0 continued on next page.
LA76814 no.a0253-30/35 continued from preceding page. sub address msb data bits lsb da0 da1 da2 da3 da4 da5 da6 da7 * c.ext c.bypass c_kill on c_kill off * * * 00011000 0 0 1 0 0 (0) (0) (0) cont.test digital osd brt.abl.def mid. stp.def emg.abl.def bright.abl.threshold 11001 0 0 0 0 0 1 0 0 * * * * r-y/b-y angle 11010 (0) (0) (0) (0) 1 0 0 0 * * * * * * * * 11010 (0) (0) (0) (0) (0) (0) (0) (0) audio sw volume 11100 0 0 0 0 0 0 0 0 fm.test vol.fil rf.agc 11101 0 0 1 0 0 0 0 0 fm.mute * * vif.sys.sw * * * if.agc 11110 0 (0) (0) 0 (0) (0) (0) 0 video.level fm.level 11111 1 0 0 1 0 0 0 0 status register bit allocations msb data bits lsb da0 da1 da2 da3 da4 da5 da6 da7 2nd byte x.ray por * rf.agc if.lock v.tri * st/nonst * * (0) * * * (0) * 3rd byte h.lock akb * * * * * r g b (0) (0) (0) (0)
LA76814 no.a0253-31/35 control register truth table register name 0 hex 1 hex 2 hex 3 hex on/off (t.disable) off (tset enable) on (test disable) afc gain&gate auto (gain) gain: fast auto (gate) non-gate h blk sw right control left control audio.mute active mute video.mute active mute sync.kill sync active sync killed vsepup normal vsepup v.kill vrt active vrt killed gray mode normal gray osd cross b/w normal black white cross vertical test normal vrt s corr vrt lin vrt size count down mode auto mode non standard drive.test normal test mode b gamma select b gamma on 85% (same as r, g) b gamma on 90% b gamma on 95% b gamma off r/g gamma. def rg gamma on rg gamma off blank.def blanking no blank osd cnt.test normal test mode blk.str.deff blk st r on blk str off coring core off core on tint.test normal test mode color.test normal test mode video.sw internal mode external mode akb b/w akb black akb white akb def akb on akb off fbpblk.sw fbp not or fbp or akb test normal test m ode1 test mode2 test mode3 c.ext internal mode external mode c.bypass bypass off bypass on c_kill on auto mode killer on c_kill off auto mode killer off cont.test normal test mode digital osd analogue digital emg.abl.def emg on emg off brt.abl.def brt abl on brt abl off mid.stp.def mid stp on mid stp off audio.sw internal mode external mode fm.test normal test mode vol.fil normal filte off fm.mute active mute vif.sys.sw 45. 75mhz 58.75mhz if.agc agc active agc defeat filter system y filter chroma filter 0 hex 3.58mhz trap peaked 3.58mhz bpf 1 hex 3.58mhz trap symmetrical 3.58mhz bpf 2 hex 3.58mhz trap peaked 3.58mhz bpf 3 hex 3.58mhz trap symmetrical 3.58mhz bpf 4 hex no trap (wide band mode) peaked 3.58mhz bpf 5 hex no trap (wide band mode) symmetrical 3.58mhz bpf 6 hex no trap (wide band mode) peaked 3.58mhz bpf 7 hex no trap (wide band mode) symmetrical 3.58mhz bpf
LA76814 no.a0253-32/35 status byte truth table register 0 hex 1 hex x.ray undetected detected por undetected detected rf.agc rf.agc.out = "l" rf.agc.out = "h" if.lock lock unlock v.tri v.triger undetected v.triger detected st/nonst non-standard standard h.lock horiz unlocked horiz locked akb r r beam current low r beam current high akb g g beam current low g beam current high akb b b beam current low b beam current high initial conditions initial test conditions initia l test conditions (continued) register register on/off (t.disable) 1 hex osd cnt.test 0 hex afc gain&gate 0 hex osd contrast 0 hex h.freq 3f hex blk.str.deff 1 hex h blk sw 0 hex coring 1 hex audio.mute 0 hex sharpness 00 hex video.mute 0 hex tint.test 0 hex h.phase 10 hex tint 40 hex sync.kill 0 hex color.test 0 hex v.size 40 hex color 40 hex vsepup 0 hex video.sw 0 hex v.kill 0 hex trap.test 4 hex v.posi 20 hex filter.sys 0 hex gray mode 0 hex akb b/w 0 hex cross b/w 0 hex akb def 0 hex v.lin 10 hex c.temp.r 20 hex h blk r&l 4 hex fbpblk.sw 1 hex v.sc 00 hex c.temp.g 20 hex v.test 0 hex akb test 0 hex v.comp 7 hex c.temp.b 20 hex count.down.mode 0 hex c.ext 0 hex r.bias 00 hex c.bypass 1 hex g.bias 00 hex c_kill on 0 hex b.bias 00 hex c_kill off 0 hex r.drive 7f hex cont.test 0 hex drive.test 0 hex digitsl osd 0 hex b gamma select 0 hex bright.abl.threshold 4 hex r/g gamma.def 1 hex emg.abl.def 0 hex g.drive 8 hex brt.abl.def 0 hex b.drive 7f hex mi d.stp.def 0 hex blank.def 0 hex r-y/b-y angle 8 hex sub.bright 40 hex audio.sw 0 hex bright 40 hex volume 00 hex contrast 40 hex fm.test 0 hex vol.fil 0 hex rf.agc 20 hex fm.mute 0 hex vif.sys.sw 0 hex if.agc 0 hex video.level 4 hex fm.level 10 hex
LA76814 no.a0253-33/35 control register descriptions register name bits general description on/off (t disable) 1 enable the horizontal outpu t & disable the test sw & enable audio/video mute sw afc gain & gate 1 select horizontal first loop gain & h-sync gating on/off h freq. 6 align es sample horizontal frequency h.blk.sw 1 blanking control (right/left) audio mute 1 disable audio outputs video mute 1 disable video outputs h phase 5 align sync to flyback phase sync kill 1 force free-run mode vertical size 7 align vertical amplitude vsep.up 1 select vertical sync. separation sensitivity vertical kill 1 disable vertical output v posi (vertical dc) 6 align vertical dc bias gray mode 1 osd gray tone enable cross b/w 2 service test mode (normal/black/white/cross) v lin (vertical linearit) 5 align vertical linearity h blk r&l 3 h-blanking control (width/phase) vertical s-correction 5 align vertical s-correction vertical test 2 select vertical dac test modes vertical size compensation 3 align vertical size compensation count down mode 1 select vertical countdown mode red bias 8 align red out dc level green bias 8 align green out dc level blue bias 8 align blue out dc level red drive 7 align red out ac level drive test 1 enable drive control dac test modes b gamma select 2 select blue gamma gain r/g gamma defeat 1 dis able r/g gamma correction green drive 4 align green out ac level blue drive 7 align blue out ac level blank def 1 disable rgb output blanking sub brightness 7 align common rgb dc level brightness control 7 cust omer brightness control contrast control 7 customer contrast control osd contrast test 1 enable osd contrast dac test mode osd contrast control 2 align osd ac level blk str def 1 disable black stretch coring enable 1 enable luminance coring sharpness control 6 customer sharpness control tint test 1 enable tint dac test mode tint control 7 customer tint control color test 1 enable color dac test mode color control 7 customer color control video sw 1 select video source trap.test 3 trap test filter system 3 select y/c filter mode akb b/w 1 select akb black or white akb def 1 disable akb circuits c temp r 6 align akb color temperature fbpblk.sw 1 enable rgb blanking or fbp c temp g 6 align akb color temperature akb test 2 enable akb c temp. dac test mode c temp b 6 align akb color temperature continued on next page.
LA76814 no.a0253-34/35 continued from preceding page. register name bits general description autoflesh 1 enable autoflesh function c ext 1 selected-c in sw on c bypass 1 select chroma bpf bypass c kill on 1 c kill mode (1: enable killer circuit) c kill off 1 disable killer circuit cont test 1 enable contrast dac test mode bright abl threshold 3 align brightness abl threshold emergency abl defeat 1 disable emergency brightness abl bright abl defeat 1 disable brightness abl bright mid stop defeat 1 disable brightness mid stop digital osd 1 select digital/analogue osd r-y/b-y angle 4 r-y/b-y angle audio sw 1 select audio source volume control 7 customer volume control fm.test 1 fm.test volume filter defeat 1 disable volume dac filter rf agc delay 6 align rf agc threshold fm mute 1 disable fm outputs vif system sw 1 select 38.9/39.5/38.0/45.75/58.75 if agc defeat 1 disable if and rf agc video level 3 align if video level fm level 5 align wba output level pin assignment pin function pin function 1 audio output 54 sif input 2 fm output 53 sif apc filter 3 pif agc 52 sif output 4 rf agc output 51 ext. audio input 5 pif input1 50 fll filter 6 pif input2 49 vco coil 1 7 if ground 48 vco coil 2 8 if v cc 47 apc filter 9 fm filter 46 video output 10 aft output 45 black level detector 11 bus data 44 internal video input (s-c in) 12 bus clock 43 video/vertical v cc 13 abl 42 external video input (y in) 14 red input 41 video/vertical/bus ground 15 green input 40 selected video output 16 blue input 39 acc filter 17 fast blanking input 38 3.58mhz crystal 18 rgb v cc 37 fsc (3.58mhz) output 19 red output 36 chroma apc filter 20 green output 35 killer filter 21 blue output 34 xray 22 b.akb input 33 horizontal ground 23 vertical output 32 osd contrast 24 ramp alc filter 31 nc 25 horizontal/bus v cc 30 nc 26 horizontal afc filter 29 vco iref 27 horizontal output 28 flyback pulse input
LA76814 ps no.a0253-35/35 specifications of any and all sanyo semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. sanyo semiconductor co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probability. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor products (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of sanyo semiconductor co., ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the "delivery specification" for the sanyo semiconductor product that you intend to use. information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. sanyo semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. this catalog provides information as of december, 2006. specifications and inform ation herein are subject to change without notice.

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