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specifica tions pick-up device : progressive scanning interline transfer ccd with 659 (h) x 494 (v) pixels. image size : 1/3?(6.3 (h) x 6.4 (v) mm) 2 : 1 interlace 1-line interlace (frame accumulation) 2 : 1 interlace 2-line interlace (field accumulation) 2-line sequential (at non-interlaced external hd/vd) synchronization : internal or external (selectable automatically) internal : built-in sync generator external : 4.0 v[p-p] / 75 w horizontal drive and vertical drive pulses for 2 : 1 interlace or sequential scanning external reset : external signal (4.0 v[p-p]/75 w , negative) supplied to ext vd in connector can be used as reset sig - nal horizontal resolution : 480 lines at center minimum illumination : 6.5 lx (0.65 footcandles ) at f1.4, (manual gain max, g on, 2 : 1 interlace, without shutter) signal to noise ratio : 56 db typical (fix gain, g off, 2:1 interlace without shutter) electronic shutter : 7-step (1/100 to 1/8,000) at normal. 4-step (1/2,000 to 1/16,000) at shutter trigger-a. approx. 1/2,000 at shutter trigger-b. lens mount : c-mount vibration resistance : 8 g (10 hz - 150 hz), (2 hours each for three axes)(iec 68) shock resistance : 80 g (iec 68) *iec=international electrotechnical commission power source : 12v dc, 190 ma ambient temperature : - 10?c - +50?c (14?f - 122?f) r GP-MF802 order no. avs9705028c1 d0 c 1997 matsushita communication industrial co., ltd. all rights reserved. unauthorized copying and distribution is a violation of law. industrial camera camera cable : option lens : option http://
this service information is designed for experienced repair technicians only and is not designed for use by the general public. it does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. products powered by electricity should be serviced or repaired only by experienced professional technicians. any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. ! warning caution risk of electric shock do not open caution: t o reduce the risk of electric shock, do not remove cover (or back). no user ser viceable p ar ts inside. refer servicing t o qualified ser vice personnel. this symbol warns the user that uninsulated voltage within the unit may have suf ficient magnitude to cause electric shock. therefore, it is dangerous to make any kind of contact with any inside part of this unit. this symbol alerts the user that important literature concerning the operation and maintenance of this has been included. therefore, it should be read carefully in order to avoid any problems. t here are special components used in this equipment which are important for safety . these parts are indicated by the ! ?mark on the schematic diagram and the replacement parts list. it is essential that these critical parts should be replaced with manufacturer's specified parts to prevent shock, fire, or other hazards. do not modify the original design without permission of manufacture. import ant safety notice dimensions : 44(w) x 29(h) x 82(d) mm [1-3/4"(w) x 1-1/8"(h) x 3-1/4"(d)] without mount adaptor weight : 165 g (0.36 lbs.) without lens dimensions and weight indicated are approximate values. specifications are subject to change without notice. optional accessories camera cable gp-ca83 gp-ca82 gp-ca81
contents major operating controls and their functions ...................................................................................................... 1 circuit description ic description ................................................................................................................. ........................................ 5 adjustment procedure ............................................................................................................................... ............... 9 appearance of ics, transistors and diodes ........................................................................................................... 14 location of test points and adjusting controls .................................................................................................... 15 chip components ............................................................................................................................... ....................... 16 block diagram ............................................................................................................................... ............................. 17 schematic diagram drive board .................................................................................................................... ......................................... 18 power board ................................................................................................................... ....................................... 21 rear board .................................................................................................................... ........................................ 22 sensor board ................................................................................................................... ....................................... 25 conductor view drive board .................................................................................................................... ......................................... 19 power board .................................................................................................................... ....................................... 20 rear board .................................................................................................................... ........................................ 23 sensor board ................................................................................................................... ....................................... 24 exploded view ............................................................................................................................... ............................ 26 replacement parts list ............................................................................................................................... ............. 27
1 major opera ting controls and their functions 1. manual iris lens (optional) 2. mounting holes there are two screw holes (1/4? for mounting the camera on a tripod, and two more screw holes (no.8-32 unc) for mounting the camera on a mounting bracket. 3. camera connector (12p) connect the optional camera cable gp-ca81 , gp-ca82, or gp-ca83 to it. gp-mf 802 1 2 3 4 5 6 7 8 9 10 o n 1 2 3 4 5 6 7 8 9 10 o n 12p e q w r t y u i o p { } q 4. switch 1 (1/on) this switch is used with switch 2 to select a field or frame accumulation. switch position combinations and accumulations are shown in the table below; qo w! 0i e! 1 u !2 rty caution: connect this to a 12v dc class 2 power supply only. 5. switch 2 (2/on) this switch is used with switch 1 to select a field or frame accumulation. switch position combinations and accumulations are shown in the table above. swich 1 switch 2 off off on off off on on on accumu- lation field accumu- lation 1 (2:1 inter- lace) field accumu- lation 2 (2:1 inter- lace) field mix (2:1 inter- lace) frame accumu- lation (full frame with no interlace) video 1 field a (even) field b (even) field a (odd) field b (even) field a (even + odd) field b (odd + even) sequential video 2 field a (odd) field b (odd) field a (even) field b (odd) no output no output ground +12v dc in ground for video out 1 video out 1 ground for hd external hd external vd ground for video out 2 video out 2 ground for clock clock out ground for vd 1 2 3 4 5 6 7 8 9 10 11 12 pin no. description 1on 2on
2 10. switch 7 (7/on) set this switch to on to terminate the external hd sig- nals with 75 w . 11. switch 8 (8/on) set this switch to on to terminate the external vd sig - nals with 75 w . 12. switch 9 (9/on) this switch is used to set long time exposure mode to on or off. set this switch to on only when switch 3 is set to on with switches 4, 5 and 6 in the specified positions. this switch changes the ac/dc coupling to ac coupling when off is selected or to dc coupling when on is selected. 13. switch 10 (10/on) this switch is used to set the clock out function to on or off. 6. switch 3 (3/on) this switch is used to set the frame reset (shutter trig - ger) to on or off. in case of frame reset off, you can select a shutter speed using switch 4, switch 5, and switch 6. shutter speeds and combinations of the switches in case of frame reset off are shown in the table below; note: the accurate shutter speed function cannot be expected in non-interlaced synchronization. 7. switch 4 (4/on) set this switch with switch 5 and switch 6 as shown in the tables above. 8. switch 5 (5/on) set this switch with switch 4 and switch 6 as shown in the tables above. 9. switch 6 (6/on) set this switch with switch 4 and switch 5 as shown in the tables above. in case of frame reset on, you can select a shutter speed or long time exposure mode using switch 4, switch 5, and switch 6. shutter speeds and combinations of the switches in case of frame reset on are shown in the table below; switch shutter speed 6 off on off on off on off on 5 off off on on off off on on 4 off off off off on on on on normal 1/100 1/250 1/500 1/1000 1/2000 1/4000 1/8000 switch shutter speed 6 off on off on off on off on 5 off off on on off off on on 4 off off off off on on on on the long time exposure mode 1/2000 1/4000 1/8000 1/16000 3on 4on 5on 6on 7on 8on 9on 10 on
3 prep ara tions 1. power supply for camera prepare a regulated dc power supply of 12 v 10 %, 190 ma or more, and rated class 2. 2. lenses be sure to use an optional manual iris lens that meets the following items. focus : adjustable lens weight : less than 300 g (0.66 lbs.) note: if the lens weight exceed 300 g (0.66 lbs.), the camera and lens should be secured. mount : c-mount lens mount should be as shown in the diagram, other- wise the lens will damage the camera. less than 8 mm (less than 5/16? 3. switch cover removal caution: the following preparations should be made by a qualified service person or system installer. to set switch 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10, remove the switch cover fixing screw on the rear panel as shown below. system connections caution: set the power switches of all units to off before connection. 1. connect the optional camera cable gp-ca81 between the connector of this camera and the 12v dc class 2 power supply (not provided as an accessory). 2. connect the video connector of the gp-ca81 to the video monitor. out in 75
hi-z video gp-mf 802 out in 75
hi-z video video out 1 video out 2 video monitor 12v dc power vd in hd/vs in clock gnd caution: use a 12v dc class 2 power supply only. gp-ca81 camera video monitor 12p switch cover remove the switch cover fixing screw.
4 inst alla tion of camera 1. bottom mounting this camera is originally designed for bottom mounting. the hole is the standard photographic pan-head screw size (1/4?. 2. t op mounting remove the mount adaptor on the bottom of the camera by removing 4 fixing screws. attach the mount adaptor to the top as shown in the illustration, then mount the camera on the mounting bracket. make sure that the 4 original screws are used when mounting the mount adaptor; longer type screws will break the inner com- ponent. external synchroniza tion 1. 2 : 1 interlace the GP-MF802 works in 2 : 1 interlace mode when external 2 : 1 interlaced hd and vd signals are supplied to pin 6 and pin 7 of the camera connector (12-pin). 2. non-interlace the GP-MF802 works in non-interlace mode when external non-interlaced hd and vd signals are supplied to pin 6 and pin 7 of the camera connector (12-pin). note: if the picture appears disturbed, be sure to match the phases of falling edges of the external hd and vd. prevention of blooming and smear when the camera is aimed at spotlights, other bright lights, or light reflecting objects, a vertical stripe (smear) or blooming may appear. the camera should be operated carefully in the vicinity of extremely bright objects to avoid smear or blooming. bright object smear
5 circuit description ic description 1. drive board 1.1. ic5 on the drive board is using the ccd drive pulse generator ic ywbu121070a. description of this ic is as follows: v3 62 v4 63 v dd 64 v2 61 v1 60 exhd 59 exvd 58 gnd 57 v dd 56 hhg2 55 hhg1_b 54 hhg1_a 53 17 v dd 18 h1 19 gnd 20 h2 21 v dd 22 rwi 24 gnd 23 rwo 25 r 26 hrph 27 ston 28 v dd 46 cp4 45 cp3 44 cp2 43 cpob 42 ms 41 v dd 40 vmd3 39 vmd2 38 vmd1 37 drv2 36 drv1 35 test4 gnd 1 sub 2 ch1 3 test 4 sg 5 test1 6 xo2 7 xi2 8 gnd 9 pco 10 v dd 11 xi1 12 pin name i/o description 47 hd o horizontal drive signal output terminal. 53 hhg1_a o hhg1_a signal output terminal. 64 v dd ? power supply terminal. 50 pblk o pre blanking pulse output terminal. (top view) 48 gnd ? ground terminal. 49 vd o vertical drive signal output terminal. 56 v dd ? power supply terminal. 57 gnd ? ground terminal. 58 exvd i external vd signal input terminal. 59 exhd i external hd signal input terminal. 60 v1 o f v1 transfer pulse output terminal. 51 csync o composite sync signal output terminal. xo1 13 test2 14 29 ds1 30 ds2 48 gnd 47 hd cblk 52 csync 51 pin name i/o description 1 gnd ? ground terminal. 16 gnd ? ground terminal. 4 2 ms i ms signal input terminal. 2 sub o electronic shutter pulse output terminal. 3 ch1 o charge pulse output terminal for f v1. 4 test i test mode switching terminal. 17 v dd ? power supply terminal. 30 ds2 o 31 adclk o ad clock pulse output terminal. 33 gnd ? ground terminal. 15 hrpo i hrpo signal input terminal. 4 3 cpob o ob (optical black) clamp pulse output terminal. 4 6 cp4 o 29 ds1 o 34 test3 33 gnd hrpo 15 gnd 16 31 adclk 32 v dd pblk 50 vd 49 6 test1 i test signal input terminal. 5 sg o sensor gate pulse output terminal. 7 xo2 o 8 xi2 i crystal oscillator 2 connecting terminals. 9 gnd ? ground terminal. 11 v dd ? power supply terminal. 13 xo1 o 12 xi1 i crystal oscillator 1 connecting terminals. 14 test2 i test signal input terminal. 10 pco o phase comparator output terminal. 19 gnd ? ground terminal. 18 h1 o f h1 transfer pulse output terminal. 20 h2 o f h2 transfer pulse output terminal. 21 v dd ? power supply terminal. 22 rwi i reset pulse width adjust signal input terminal. 23 rwo o reset pulse width adjust signal output terminal. 24 gnd ? ground terminal. 25 r o reset pulse output terminal. 26 hrph i hrph signal input terminal. 27 ston i ston signal input terminal. 28 v dd ? power supply terminal. cds sample hold pulse output terminals. 32 v dd ? power supply terminal. 34 test3 i 35 test4 i test signal input terminals. 36 drv1 i 37 drv2 i 38 vmd1 i 39 vmd2 i vmd signal input terminals. 40 vmd3 i 41 v dd ? power supply terminal. drv signal input terminals. 4 5 cp3 o clamp pulse output terminals. 4 4 cp2 o 52 cblk o composite blanking pulse output terminal. 54 hhg1_b o hhg1_b signal output terminal. 55 hhg2 o hhg2 signal output terminal. 61 v2 o f v2 transfer pulse output terminal. 62 v3 o f v3 transfer pulse output terminal. 63 v4 o f v4 transfer pulse output terminal.
6 1.2. ic6 on the drive board is using the ccd vertical driver ic mn3112sa. description of this ic is as follows: vl 2 vm13 4 ov2 3 ov1 5 vdc 6 iv1 7 ch1 8 20 vhh 19 vm24 18 ov4 17 ov3 16 vh 15 gnd 14 iv3 13 ch2 (top view) iv2 9 isub 10 11 n.c. 12 iv4 osub 1 pin name i/o description 1 osub o v sub signal output terminal. 2 vl vl voltage supply terminal. 3 ov2 o vertical pulse 2 output terminal. 7 iv1 i vertical pulse 1 input terminal. 8 ch1 i horizontal pulse 1 input terminal. 9 iv2 i vertical pulse 2 input terminal. 10 isub i v sub signal input terminal. 12 iv4 i vertical pulse 4 input terminal. 13 ch2 i horizontal pulse 2 input terminal. 14 iv3 i vertical pulse 3 input terminal. 15 gnd ? ground terminal. 16 vh ? vh voltage supply terminal. 17 ov3 o vertical pulse 3 output terminal. 18 ov4 o vertical pulse 4 output terminal. 19 vm24 ? vm24 voltage supply terminal. 20 vhh ? vhh voltage supply terminal. 6 vdc ? power supply. 4 vm13 i vm13 voltage supply terminal. 5 ov1 o vertical pulse 1 output terminal. 11 n.c. ? non connection. 1.3. ic12 and ic13 on the drive board and ic8 on the power board are using the single inverter ic ywtc7s04ful. description of this ic is as follows: 5 vcc 4 out n.c. 1 in 2 gnd 3 (top view) output l h h l truth table input 1.4. ic8 on the drive board and ic9 on the power board are using the single 2-input and gate ic ywtc7s 08ful. description of this ic is as follows: 5 vcc 4 out in1 1 in2 2 gnd 3 (top view) output l h l h l l l h l l h h truth table inputs in1 in2 1.5. ic10 on the drive board is using the single 2-channel multiplexer/demultiplexer ic ywtc4w53ful. description of this ic is as follows: 8 v dd 7 in0 6 in1 5 a out 1 inhi 2 v ee 3 vss 4 inputs l l h l h ? inhi a out in0 in1 none ? don't care. (top view) truth table 1.6. ic7 on the drive board is using the three-terminal 9v voltage regulator ic yw78l09uate2. description of this ic is as follows: 3 input 2 gnd 1 output reference voltage generator over-current protector over-heat protector 3 1 2 error amp. input output gnd
7 2. power board 2.1. ic3 and ic6 on the power board are using the ccd black & white camera one-chip process ic ywcxa1310aq. description of this ic is as follows: sag 1 gnd2 2 gnd1 3 sync 4 set cnt 5 clp1 30 irisclp 28 wc cnt 6 driverin 7 g out 8 10 g clp 9 linear 11 g in 12 agcout 13 detout 14 agcmax 15 vcc1 16 agc cnt 17 opout 18 opin 19 opin+ 20 shd2 21 shd1 22 data 23 pg 24 shp clp2 25 gnd3 26 iris 27 blk 29 vcc2 31 video 32 pin name i/o description 1 sag i sag compensation signal input terminal. 2 gnd2 ? ground terminal. 3 gnd1 ? ground terminal. 4 sync i sync signal input terminal. 5 set cnt i setup level control terminal. 6 wc cnt i white clip level control terminal. 7 driverin i driver signal input terminal. 8 g out o gamma correction signal output terminal. 9 linear o linear (gamma-off) signal output terminal. 10 g clp i gamma clamp pulse input terminal. 11 g in i gamma correction signal input terminal. 12 agcout o agc signal output terminal. 13 detout o agc detect signal output terminal. 14 agcmax i agc amp. max gain control terminal. 15 vcc1 ? power supply terminal. 16 agc cnt i agc control signal input terminal. 17 opout o operational amp. output terminal. 18 opin? i operational amp. ? input terminal. 19 opin+ i operational amp. + input terminal. 20 shd2 i sample hold pulse input terminal. 21 shd1 i sample hold pulse input terminal. 22 data i ccd signal input terminal. 23 pg i ccd signal input terminal. 24 shp i sample hold pulse input terminal. 25 clp2 i clamp pulse input terminal. 26 gnd3 ? ground terminal. 27 iris o iris control signal output terminal. 28 irisclp i iris clamp pulse input terminal. 29 blk i blanking pulse input terminal. 30 clp1 i clamp pulse input terminal. 31 vcc2 ? power supply terminal. 32 video o video signal output terminal. (top view) s/h clp2 18 11 19 23 24 21 14 12 27 17 6 3 wc 7 clp1 32 30 5 29 4 8 g in g clp sync blk clp1 set cnt driverin opin+ pg iris agcout opout linear agcmax shd2 shd1 shp 20 + s/h s/h 25 clp2 clp2 22 data s/h s/h + clp1 blk 16 agc agc cnt 28 irisclp clp1 blk 13 detout g 1 g 2 g out 9 + opin sync video 1 sag wc cnt 2 31 gnd2 vcc2 setup blk 15 vcc1
8 2.2. ic7 on the power board is using the switching regulator controller ic ywmb3775pfv. description of this ic is as follows: c t 1 r t 2 +in1 3 ?n1 4 fb1 5 dtc1 6 out1 7 gnd 8 16 ref 15 scp 14 +in2 13 ?n2 12 fb2 11 dtc2 10 out2 9 vcc (top view) reference voltage source triangular wave generator pwm comparator 1 pwm comparator 2 s.c.p. comparator d.t.c. comparator out 1 out 2 + + + + + + + + s r latch r u.v.l.o. 2.5v vref=1.28v ref 12 3 4 5 12 14 13 15 61 1 10 7 8 1.1v 1.8v 0.9v 0.9v 1.28v 2.5v 1? gnd dtc2 dtc1 out1 out2 r t c t 16 +in1 ?n1 fb1 fb2 +in2 ?n2 scp 9 vcc 1.9v 1.3v pin name i/o description 16 ref o reference voltage output terminal. 3 +in1 i non-inverted signal input terminal for error amplifier 1. 6 dtc1 i dead time control signal input terminal. 7 out1 o control signal output terminal 1. 8 gnd ? ground terminal. 9 vcc ? power supply terminal. 10 out2 o control signal output terminal 2. 12 fb2 ? feedback terminal for error amplifier 2. 11 dtc2 i dead time control signal input terminal. 14 +in2 i non-inverted signal input terminal for error amplifier 2. 2 r t ? timing resistor connecting terminal. 4 ?n1 i inverted signal input terminal for error amplifier 1. 5 fb1 ? feedback terminal for error amplifier 1. 1 c t ? timing capacitor connecting terminal. 13 ?n2 i inverted signal input terminal for error amplifier 2. 15 scp ? short circuit protection terminal. error amp. 1 error amp. 2
9 adjustment procedure 1. t est equipments required the following equipments are required for adjustment of the industrial camera GP-MF802. oscilloscope digital voltmeter camera cable (gp-ca81, gp-ca82 or gp-ca83) manual iris lens dc power supply unit underscanned black & white video monitor hd/vd signal generator or special effects generator lighting (2,750 150 lx (1,050 50 nt)) 40-watt lamp illuminometer logarithmic gray scale chart (part no. : ywv2310rb99) as shown in fig. 1-1. fig. 1-1 2. disassembling procedures for adjustment referring to fig. 2-1, remove six screws that secure the upper cover and remove the upper cover. fig. 2-1 referring to fig. 2-2, remove two screws that secure the drive board and remove the drive board. fig. 2-2 referring to fig. 2-3, remove two hexagon studs that secure the power board and remove the power board. fig. 2-3 referring to fig. 2-4, remove two screws that secure the rear panel and remove the rear panel. fig. 2-4 national panasonic gray scale (l) remove six screws. upper cover remove two screws. drive board remove two hexagon studs. power board remove two screws. rear panel
10 3 . replacement procedures of the head optical ass'y referring to the item 2. disassembling procedures for adjustment , remove both the drive board and power board. referring to fig. 3-1, remove two screws that secure the head optical ass'y and remove the head optical ass'y. fig. 3-1 4 . connection and setting up for adjustment 4.1. connection the fig. 4-1 shows the connecting diagram for the adjustment procedure. fig. 4-1 connect the camera cable gp-ca81 to the camera cable connector on the rear panel of the GP-MF802. connect the underscanned black and white video monitor to the video output connector of the camera cable gp-ca81. terminate the input terminal of the underscanned black and white video monitor with 75 w . connect the dc 12v power supply unit to the dc 12v input cable of the camera cable gp-ca81. note: refer to the pin arrangement of the camera cable described in the cameras cable connector on the page 1. connect the hd/vd signal generator to the hd signal input cable and the vd signal input cable of the camera cable gp-ca81. connect the prove of the digital voltmeter or oscilloscope to the desired test point in each adjustment step. 4.2. se tting up of switches for adjust- ment referring to the item 3. switch cover removal of the preparations in the page 3, remove the switch cover. set the switches on the rear panel of the GP-MF802 as follows: sw1 (mode 1) . . . . . . . . . . . . . . . . . . . . . .off position sw2 (mode 2) . . . . . . . . . . . . . . . . . . . . . .off position sw3 (shutter trigger) . . . . . . . . . . . . . . . .off position sw4 (shutter speed d0) . . . . . . . . . . . . . .off position sw5 (shutter speed d1) . . . . . . . . . . . . . .off position sw6 (shutter speed d2) . . . . . . . . . . . . . .off position sw7 (hd termination) . . . . . . . . . . . . . . .on position sw8 (vd termination) . . . . . . . . . . . . . . . .on position sw9 (long time exposure mode) . . . . . .off position sw10 (clock out) . . . . . . . . . . . . . . . . . . .off position the adjustment should be done with this setting unless otherwise specified. 4.3. setting up for standard picture mount the manual iris lens (hf16a) on the camera. set the logarithmic gray scale chart. incident light of 1,050 50 nt (2,750 150 lx) on the logarithmic gray scale chart. aim the camera at the logarithmic gray scale chart. mount the nd8 filter on the lens. set the camera so that the logarithmic gray scale chart becomes full picture on the underscanned black and white video monitor. remove two screws. head optical ass'y hd/vd signal generator underscanned black & white video monitor hd/vd GP-MF802 lens test chart l m dc 12v power supply unit 75 w video output 1, video output 2 waveform monitor camera cable gp-ca81
11 connect the oscilloscope to tp1 on the sensor board. adjust the lens iris so that the ccd output signal at tp1 becomes 214 mv as shown in fig. 4-2. fig. 4-2 the adjustment should be done with this standard picture unless otherwise specified. 5. adjustment procedure refer to the location of the test points and adjusting controls on page 15. (1). pll vco adjustment test point: tp4 (vco) drive board adjust: l1 (vco) drive board supply the hd signal and the vd signal from the camera cable connector. connect the digital voltmeter to tp4. adjust l1 to obtain 2.2 0.2 v dc. (2). reset bias adjustment test point: tp1 (ccd out 1) sensor board tp1 (r-bias) drive board adjust: vr1 (r-bias) drive board aim the camera at the logarithmic gray scale chart. connect the oscilloscope to tp1 on the sensor board. trigger the oscilloscope at the h-rate. adjust vr1 so that the reset noise becomes maximum as shown in fig. 5-1. fig. 5-1 connect the oscilloscope to tp1 on the drive board. adjust vr1 so that the reset bias becomes 5.0 0.5 v as shown in fig. 5-2. fig. 5-2 (3). v sub coarse adjustment test point: tp1 (ccd out 1) sensor board tp2 (ccd out 2) sensor board adjust: vr6 (vsub1) drive board vr7 (vsub2) drive board observe video monitor set the bright control of the video monitor to the mechanical center position. set the contrast control of the video monitor to the mechanical center position. set the lens iris to f8. turn vr7 to obtain noise on the video monitor, and adjust vr7 so that the noise just disappears as shown in fig. 5- 3. set the switch 1 to on position, and confirm that the no noise appears on the video monitor. set the switch 1 to off position. set the lens iris to f11. set the switch 2 to on position. reset noise becomes maximum ob 5.0 ?0.5 v gnd level reset pulse 214 mv ob
12 turn vr6 to obtain noise on the video monitor, and adjust vr6 so that the noise just disappears as shown in fig. 5- 3. fig. 5-3 set the switch 2 to off position. aim the camera at the logarithmic gray scale chart. connect the oscilloscope to tp1 on the sensor board. open the lens iris so that only 11th portion of the ccd out signal saturates, and confirm that the saturated signal level is more than 400 mv as shown in fig. 5-4. change the connection of the oscilloscope to tp2 on the sensor board. confirm that the saturated signal level is more than 400 mv as shown in fig. 5-4, if not satisfied readjust vr7. set the switch 1 to on position. confirm that the saturated signal level is more than 400 mv as shown in fig. 5-4. set the switch 1 to off position. set the switch 2 to on position. connect the oscilloscope to tp1 on the sensor board. open the lens iris so that only 11th portion of the ccd out signal saturates, and confirm that the saturated signal level is more than 400 mv as shown in fig. 5-4, if not readjust vr6. fig. 5-4 no good good noise normal noise more than 400 mv (4). pedestal-1 and video gain-1 adjustment test point: video 1 adjust: vr2 (gain 1) drive board vr3 (ped 1) drive board cap on the lens. connect the terminated oscilloscope with 75 w to video 1 of the camera cable. set the switch 1 and switch 2 to off position. adjust vr3 so that the pedestal signal level becomes 50 10 mv as shown in fig. 5-5. fig. 5-5 remove the cap from the lens, and connect the oscilloscope to tp1 on the sensor board. adjust the lens iris so that the ccd output signal at tp1 becomes 214 mv. adjust vr2 so that the video signal level becomes 100 ire (714 mv) as shown in fig.5-6, and confirm that the sync signal level is 40 4.2 ire (286 30 mv) as shown in fig. 5-6. fig. 5-6 set the switch 1 to on position. confirm that both pedestal signal level and video signal level are within specification. set the switch 1 to off position. (5). pedestal-2 and video gain-2 adjustment test point: video 2 adjust: vr4 (ped 2) drive board vr5 (gain 2) drive board aim the camera at the logarithmic gray scale chart. 50 ?10 mv 100 ire (714 mv) 40 ?4.2 ire (286 ?30 mv)
13 notes: vr7 should be adjusted to the point where the blooming just eliminates. do not turn vr7 too much. if readjust vr7, must be readjusted from the adjustment steps (3) through (5). set the switch 1 to on position, and confirm that the no blooming appears on the video monitor. set the switch 1 to off position. set the switch 2 to on position. if the blooming and noise appear on the video monitor as shown in fig. 5-9, readjust vr6. notes: vr6 should be adjusted to the point where the blooming just eliminates. do not turn vr6 too much. if readjust vr6, must be readjusted from the adjustment steps (3) through (5). fig. 5-9 connect the terminated oscilloscope with 75 w to video 2 of the camera cable. set the switch 1 and switch 2 to off position. adjust vr4 so that the pedestal signal level becomes same as that of the video 1 as shown in fig. 5-7. fig. 5-7 remove the cap from the lens, and connect the oscilloscope to tp1 on the sensor board. adjust the lens iris so that the ccd output signal at tp1 becomes 214 mv. adjust vr5 so that the video signal level becomes 100 ire (714 mv) as shown in fig.5-8, and confirm that the sync signal level is 40 4.2 ire (286 30 mv) as shown in fig. 5-8. fig. 5-8 set the switch 1 to on position. confirm that both pedestal signal level and video signal level are within specification. set the switch 1 to off position. (6). v sub fine adjustment adjust: vr6 (vsub1) drive board vr7 (vsub2) drive board observe video monitor aim the camera at the 40-watt lamp placed in the dark background. set the lens iris fully open ( f1.4). if the blooming and noise appear on the video monitor as shown in fig. 5-9, readjust vr7. same level as video 1 40 ?4.2 ire (286 ?30 mv) 100 ire (714 mv) no good good
? ? ? ? appearance of ics, transistors and diodes switch 1 (1/on) switch 2 (2/on) switch 3 (3/on) switch 4 (4/on) switch 5 (5/on) switch 6 (6/on) switch 7 (7/on) switch 8 (8/on) switch 9 (9/on) switch 10 (10/on) off on 1: gnd 2: dc12v 3:gnd (video 1) 4: video 1 5: gnd (hd) 6: ext hd 7: ext vd 8: gnd (video 2) 9: video 2 10: gnd (clock) 11: clock out 12: gnd (vd) rear panel tp1 (ccd out 1) tp2 (ccd out 2) sensor board (component side) tp6 (int hd) ic5 tp1 (r-bias) cn1 drive board (component side) tp4 (vco) vr6 (vsub1) vr7 (vsub2) l1 (vco) tp5 (?v) tp3 (+22.0v) vr5 (gain 2) vr2 (gain 1) vr4 (ped 2) vr3 (ped 1) vr1 (r-bias) ic6 power board (component side) tp1 (+15.7v) cn2 ic3 q w e r y t u i o p {} switch 1 (mode 1) switch 2 (mode 2) switch 3 (shutter trigger) switch 4 (shutter speed d0) switch 5 (shutter speed d1) switch 6 (shutter speed d2) switch 7 (hd termination) switch 8 (vd termination) switch 9 (long time exposure mode) switch 10 (clock out) location of test points and adjusting controls 1 16 17 32 33 48 49 64 ywbu121070a 1 8 9 16 17 24 25 32 ywcxa1310aq 1 10 11 20 mn3112sa 1 8 16 9 ywmb3775pfv 1 4 8 5 ywtc4w53ful 4 3 2 1 5 ywtc7s04ful ywtc7s08ful 2 3 1 1. out 2. gnd 3. in yw78l09uate2 b c e 2sb766a-qr 2sd874a-rs b e c 2sa1774 2sc4617 g d s 2sk662-pqr 1 2 3 6 5 4 1 2 3 6 5 4 umz1 ka k a ywsc2114l ywsc80206l 3 2 1 3 2 1 ma132k k a k a ma372 k a a k ma729 21 34 4 3 2 1 ywda227tl k a a k ywma8024tx 3 2 1 3 2 1 ywda223tl
? ? chip components 1. chip transistor the transistor number is indicated on the top surface of the chip transistor using two alphabet letters or one numerical number and two alphabet letters. transistor number (chip transistor) (small chip transistor) (pair transistor) example: wq 2sd602-q yq 2sd601-q 1bs 2sb814-s appearance and symbols rank of dc current gain (h fe ) transistor number letter transistor no. letter transistor no. a 2sb709 x 2sd602a b 2sb709a y 2sd601 c 2sb710 z 2sd601a d 2sb710a 1a 2sb799 e 2sa1022 1b 2sb814 f 2sa1034 1c 2sb902 h 2sa1035 1f 2sk321 i 2sb792 1k 2sk316 k 2sc2778 1l 2sk247 p 2sd814 1m 2sj84 q 2sd813 1n 2sk199 r 2sc2480 1o 2sk198 s 2sc2405 1t 2sc3077 t 2sc2406 1x 2sc2845 u 2sc2404 1z 2sd1030 v 2sc2295 2b 2sk374 w 2sd602 2c 2sk116 bq 2sb766a umt 2sc4081 letter transistor no. a 2sb1218 u 2sc3931 w 2sd1820 y 2sd1819 e3 2sa1226 os 2sb1219 uc 2sa1532 yu 2sc3938 letter transistor no. 5r xn1501 7s xn1601 5h xn4501 5c xn4601 5n xn6501 5l xn5501 4n xn5601 7w xn6435 7f xn6534 5r xp1501 b 2sb1218a d 2sb1219a x 2sd1820a letter transistor no. 7s xp1601 5h xp4501 5c xp4601 5h xp4501 7s xp6501 5l xp5501 4n xp5601 7w xp6435 x1 umx1 z1 umz1 7f xp6534 c: collector b: base e: emitter 3 2 1 fet c b e transistor gate drain source 1 2 3 eacept 2sk199 drain source gate 2sk199 gate drain source 2. chip diode the diode number is indicated on the top surface of the chip diode using two alphabet letters. diode number appearance and symbol 3. chip resistor the resistor value is indicated on the bottom surface of the chip resistor using three digit numbers. example: 330 33 x 10 p = 33 561 56 x 10 q = 560 123 12 x 10 e = 12 k note: zero ohm resistor (jumper chip) is colored red or green. type diode m letter diode no. letter diode no. ma ma151a mi ma152k mb ma152a mk ma28w-b mc ma153 ml ma28t-a md ma28-a mn ma151wa me ma28-b mo ma152wa mf ma28w-a mt ma151wk mh ma151k mu ma152wk mh ma141k 6.2 ma3062 mc ma143 smd rd421d anode cathode 3 2 1 1 2 3 ma28/ma28w/ma28t ? anode cathode ma151k/ma152k ? anode cathode ma151a/ma152a ? cathode anode ma151wk/ma152wk anode anode cathode ma151wa/ma152wa cathode cathode anode ma153 cathode anode common ma141k ? anode cathode ma143 anode cathode common ma3062 anode ? cathode rd421d anode ? cathode multiplier (0 - 5) 2nd. significant digit (0 - 9) 1st. significant digit (1 - 9) 4. chip capacitor the capacitive value of replacement chip capacitors is indi- cated on the bottom surface. original parts have no value indication. if the capacitive value is less than 100 pf, the value will be indicated by one or two digit number expressing the capacity directly in pf. example: 0.5 0.5 pf 2.5 2.5 pf .75 0.75 pf 33 33 pf 1 1 pf 82 82 pf if the capacitive value is 100 pf or greater, the value will be indicated by an alpha-numeric code. the letter precedes the number and expresses a numerical value to be multiplied by the number which follows. numerical value * letters i and o are not used. example: a1 10 x 10 q = 100 pf n2 33 x 10 w = 3300 pf s3 47 x 10 e = 47000 pf 5. precautions in replacing the chip component 1. make sure that the unit is turned off when replacing the chip. 2. use tweezers to prevent any damage to the chip surface. 3. do not re-use the chips after removal. 4. do not rub the electrode of chips. 5. do not subject the chips to excessive stress. 6. it is recommended that a pencil-type soldering iron to be used. 7. the solder whose diameter is less than 0.5 mm is recom- mended. 8. do not heat the chip more than 3 seconds. 9. maintain temperature control under 260? (500?) when soldering. multiplier (1 - 5) numerical value letter value a 10 b 11 c 12 d 13 e 15 f 16 g 18 h 20 j 22 k 24 l 27 m 30 letter value n 33 p 36 q 39 r 43 s 47 t 51 u 56 v 62 w 68 x 75 y 82 z 91 5-1. removal (transistor, diode, resistor and capacitor) 1. add the solder to both ends of the chip (three leads for chip transistor). 2. while attaching the soldering iron to both ends of the chip (three leads for chip transistor) as shown below, remove the chip by turning with tweezers. note: be careful not to damage other chips. 5-2. removal (ic) 1. add the solder wick and soldering iron to each lead of the ic and remove solder. 2. add the soldering iron to each lead of the ic and left each lead of the ic using thinner pin. 3. remove the ic turning with pliers. 5-3. mounting 1. place the solder thinly on the chip mounting foil. 2. solder the chip temporarily while holding the chip with the tweezers. 3. solder both ends of the chip (three leads for chip transis- tor). tweezers chip soldering iron chip solder wick soldering iron chip thinner pin soldering iron pliers turn chip chip tweezers soldering iron solder solder soldering iron chip
block diagram 11 7 8 9 10 11 7 8 9 10 32 1 32 1 12 12 44 22 19 18 20 14 13 17 23 27 22 24 20 19 21 cblk clp1 csync shd shp clp2 10 7 9 14 12 8 2 5 52 43 51 30 29 46 31 18 20 25 60 61 62 63 3 15v q3 sg drive 58 59 36 37 27 38 39 40 drv1 drv2 ston vmd1 vmd2 vmd3 cblk cpob csync ds2 ds1 cp4 adclk exvd exhd sub v1 v2 v3 v4 ch1 h1 h2 r sg hd 12v 1 15v 2 21v 8v 21v vd 21v 1 5 6 7 ic 10 vsub select q12 v sub control ic7 q2,7 9v reg dc/dc convertor 25 vd 1 10 14 7 3 ref ref 12v 12v 15v 5v 22 22 23 23 25 24 21 20 30 29 4 25 24 21 20 30 29 4 16 5 16 5 32 32 clp clp s/h s/h s/h s/h set up blk set up blk sync sync video2 video1 66 3 3 3 1 2 4 5 6 7 8 9 10 11 12 f1 12v clp1 blk clp1 blk ped2 gain2 9 10 78 17 18 15 16 gain1 ped1 5v 5v 5v 5v vr2 gain1 vr5 gain2 vr3 ped1 vr4 ped2 clk out ext vd ext hd 28 16 38 14 37 13 35 34 33 32 31 30 7 8 9 10 11 12 d2 d1 d0 nm/st mode2 mode1 sw1-6 sw1-5 sw1-4 sw1-3 sw1-2 sw1-1 5v sw1-8 sw1-9 sw1-7 sub v1 v2 v3 v4 h1 h2 r sg vo1 vo2 5 1 osub ov1 ov2 ov3 ov4 isub iv1 iv2 iv3 iv4 ch1 ic5 ccd drive pulse generator ic6 v drive ic8,12,q13 vr6 vsub 1 vr7 vsub 2 vr1 r-bias ic1 ccd image sensor q2 ccd out2 ccd out1 q1 ic8,9,q2 pulse width control ic7 dc/dc convertor control q1,3 on/off drive on/off drive q4 ic6 process2 ic3 process1 cn1 q1,2 clk out q4 gen lock q3 ic13 42 drive board sensor board power board rear board 9 15 14 13 12 873 10 15 3 17 18 49 47 ??
? ? packaging 1 1 1 1 1 1 2 3 6 5 4 m1 m3 m14 m12 cn1 m13 m18 m18 m17 serial no. label m15 m19 m16 m20 m33 m31 m32 m35 m35 m9 m10 m11 pcb1 pcb2 pcb3 GP-MF802 no. 1 2 3 4 5 6 screws xss2+4fxk xyn2+j5fn xsb2+8fxk xyn2+f8fn xsb2+4fxk xwe2fn description flush head black screws machine screw and washer assy binding head black screws machine screw and washer assy binding head black screws small round plain washer numbers show screws, washers and etc. exploded view
printed in japan p-740 n n 5, 7, 23

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