(without price) QV-770 (KX-773) APR.
CONTENTS SPECIFICATIONS ......................................................................................................................................1 BLOCK DIAGRAM .....................................................................................................................................2 ADJUSTMENT ...........................................................................................................................................3 1-1. Loading color parameter ......................
SPECIFICATIONS Item Recording System Specification Digital (JPEG base); PC Link software can be used to input images in CAM, JPEG, TIFF and other format. Signal System NTSC Recording Medium Flash memory (4 MB) Memory Capacity FINE; 30 images (Approx. 124 KB compressed) NORMAL; 60 images (Approx. 62 KB compressed) ECONOMY; 120 images (Approx. 32 KB compressed) Imaging Element 1/4-inch CCD (Total Pixels: 350,000; Effective Pixels: 330,000) Lens Fixed focal point with macro position; F2, f = 3.
BLOCK DIAGRAM KB–PCB KA–PCB LED 6-pin CA–PCB 3.5V T.G BR9040F delete Vdr V 3.3V IrDA CCDCS AD0 EPCS 15.0V CCDPS AD1 EPRB -5.5V MCK32 AD2 EPSK 5.0V MCK AD3 EPDI 3.3V WEN AD4 IRISA AGND SCK AD5 IRISB DGND SD0 AD6 MAC1 HR1 AD7 FR1 AD8 CCDRST AD9 CAGC VCC3-2(CPU controlled CLPOB 3.3V) YUV Processor CXD3120R Motor Drive 3.3V OSD 3.3V Video 3.1V VIDEO Signal Generator RS232C RS232C Auto Iris Lens INTR —2— 3.3V 15.0V - 5.5V 5.
ADJUSTMENT 1-1. Loading color parameter Execute when replacing camera unit Load parameter in memory of camera unit. (Light box not needed.) (1) Set QV-770 to “PLAY” mode. (Computer communication does not work in “REC” mode.) (2) Connect QV-770 and PC with link cable RS-232. (3) Operate adjustment software on MS-DOS. PON773E. EXE (4) Make sure PC’s monitor indicates that loading parameter is complete. Note: When done continue the program in the following order. 1. DEFECT CORRECT 2.
1-2. Defect correct When there is a blurred black dot in a white display it is called a defect. To correct this use the data next to this. • Perform this adjustment after loading color parameters. (1) (2) (3) (4) (5) Set QV-770 to “REC” mode. Start test program. (Refer to “1-8. Test program”.) Choose “DEFECT CORRECT” from test program and execute. Make sure “ ” mark on LCD turns from red to blue. Turn power off. Notes: • Make sure no light goes through CCD.
LCD Strobe icon er et 1 m Gr ay pa pe r ✽ Gray paper should be larger than 1.5 m (H) × 2.0 m (W). 1-4. Strobe check Checking if there is a false operation triggered by a distorted waveform when using strobe. • Set strobe adjustment. • Input DC in 6.0 ± 0.1 V. (1) Set QV-770 to “REC” mode. (2) Monitor the trigger waveform on digital oscilloscope and check the display. (3) Automatically recharged after shooting picture. Make sure that the DC in 6.0 V current does not exceed 1.2 A.
Strobe trigger waveform 1. Normal waveform CH1 TIME : 1 µ sec/DIV VOLTS : 1 V/DIV 1V 1µV 757µV UERT First positive pulse. OK if second positive pulse is shown. First negative pulse. ACQUIRE NORMAL 1 ENVELOPE 2 AVS REPET SAVE ON ON | OFF ON | OFF 2. NG waveforms when trigger skipping occurs. (1) When trigger skipping occurs on the first positive pulse. (2) When trigger skipping occurs on the first negative pulse.
1-5. Display appearance when using flash. (1) (2) (3) (4) Shoot picture with Normal F2. Shoot picture with Normal F8. Shoot picture with Macro mode Normal F8. Set QV-770 to “PLAY” mode and check the display. Notes: • (1) and (2) should look alike. (3) should be darker than (2). • (1) and (2) should not be white or too dark. • QV-770 and test chart (Material that does not reflect) should be 70 cm apart. Strobe lens Test chart 70 cm Monitor QV-770 Superior Oxford Gray No.
1-8. Test program Classified 1. Standard test program 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 10STEP COLOR BAR CROSS HATCH 50 PER. WHITE RASTER GRAY RASTER CLACK APO OFF IR TEST MASTER IR TEST SLAVE SEND ENQ TEST RECEIVE ENQ TEST 2. Special test program 1. 2. 3. 4. 5. STOROBE ADJUST DEFECT CORRECT BATTERY CHECK KEY CHECK LAST MEMORY SET 1. Standard test program (including QV-770 Built in ROM) (1) Turn power on while pressing “DISP” and “SHUTTER” buttons.
—9— (1) Transaction (2) Display (3) Check (4) Supplement 1. 10-step black and white display Displays black and white bar gradated in 11 steps Displays 10-step black and white bar on the LCD and TV monitor Utilized for brightness voltage and contrast adjustment on PCB-L. When checking with an oscilloscope, terminate it with 75 ohm resistance. Returns to Test mode display by [+] or [–] buttons. 2.
(1) Transaction (2) Display (3) Check (4) Supplement 6. Black color display Provides black signal to LCD and TV monitor (Black level of VIDEO standard) Displays black on LCD and TV monitor. Returns to Test mode display by [+] or [-] buttons. 7. APO OFF display Disables Auto Power Off function. This function can be utilized in REC or PLAY modes. Normal REC or PLAY modes The unit returns to normal mode when power switch is turned off. — 10 — 8.
(1) Transaction 9. IR TEST SLAVE display Used for IrDA test together with IR TEST MASTER. This test sets the camera in standby mode to receive data. When the unit receives data, it sends back the data with 115Kbps transfer speed. — 11 — 10. SEND ENQ TEST display Used for IrDA test together with RECEIVE ENQ TEST. This test continuously sends ENQ (OXø5) signal with 10ms intervals (115Kbps) 11. RECEIVE ENQ TEST display Used for IrDA test together with SEND ENQ TEST.
2. Special test program (including QV-770 Built in ROM) (1) Turn power on at REC mode, then press “Mode” button twice and change to “Serial Recording mode” then turn power OFF. (2) Turn power on while pressing “DISP“ button and “SHUTTER” button. (3) “WELCOME!” appears on the display followed by TEST MODE display. TEST MODE 98030401 ADJ01.60 PTPXX.
Key check • Displays “Digital” values for key input. 20TIMES KEY SAMOLING INTERVALS OF 10MS PUSH ANY KEY!! NO KEY 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 Note: • Number on display should be reference. Last memory set • Set last memory value to default. LAST MEMORY COMPLETE ! ! DISP MODE ON LAST PAGE 1PAGE AUTOPLAY TIME 3SEC VGA TYPE NORMAL STORBE MODE AUTO REC CONTINIOUS CONT.
2.
Adjustment of VCC7, VCC3, voltage check of VCC1 • Supply voltage CP150 = 5.0 ± 0.05 [V] CP130 = 3.3 ± 0.05 [V] CP100 = 5.0 ± 0.05 [V] (You can use an AC adaptor however, for the checking after repairs, apply above mentioned voltages.) (1) Adjust VR131 for VCC7(CP121) to be 15.0 ± 0.3 V (2) Adjust VR130 for VEE3(CP120) to be –5.5 ± 0.1 V (3) Make sure that VCC1(CP102) is 3.2 ± 0.16 V Operation Check • Supply voltage CP150 = 5.0 ± 0.05 [V] CP130 = 3.3 ± 0.05 [V] CP100 = 5.0 ± 0.
3.
VCC3, VCC5 voltage check PCB-LA • Voltage supply CP151 = 5.0 ± 0.05 V. (You can use an AC adaptor however, for the checking after repairs, apply above mentioned voltages.) (1) Apply 5.0 ± 0.05 V to CP150. (2) Make sure VCC3 (CP160) is 3.3 ± 0.1 V and VCC5 (CP152) is 5.0 ± 0.15 V. VCC2 adjustment and VCC7, VCC8, VEE2 voltage check • Voltage supply VCL0(CP101)=5.0±0.05V. (You can use an AC adaptor however, for the checking after repairs, apply above mentioned voltages.) (1) Apply 5.0 V ± 0.
BL drive voltage adjustment • Voltage supply VCL0 (CP101)=5.0±0.05[V] Apply 3.3 V ± 5% to PW. (You can use an AC adaptor however, for the checking after repairs, apply above mentioned voltages.) (1) Apply 5.0 ± 0.05 V to VCL0 and adjust VR900 so that CP901(VBL) will be 6.1 ± 0.1 V. Notes: • Make sure that the current consumption is not abnormally large. • CN920 is open. QV-770 PCB-LA VCL0 A (CP101) VBL (CP901) Power suppry 3.
Bright voltage setting and contrast adjustment (PCB-LA) • Signal contents 10STEP (NTSC) Input oscillation level 0.5 Vp-p to VIDEO terminal (CP302). • Voltage supply VCL0 (CP101)=5 V ± 0.05 (V). Apply 3.3 V± 5% to PW. Connect PCB-LB and input. (You can use an AC adaptor however, for the checking after repairs, apply above mentioned voltages.) (1) Adjust VB waveform (CP324) as shown below by triggering FRP (CP305) signal. (2) Adjust waveform A at 3.5 ± 0.05 V by adjusting RGB, AMP VR(VR302).
TINT adjustment • Signal contents Input oscillation level 0.5 Vp-p to VIDEO terminal (CP302). • Set power supply VCL0 (CP101) to 5.0 ± 0.05V. Apply 3.3 V ± 5 % to PW. Input HDB signal by connecting PCB-LB. (You can use an AC adaptor however, for the checking after repairs, apply above mentioned voltages.) (1) Adjust VR301 so that the second and third pulses of VB (CP324) signal level will be the same. Notes: • Perform this adjustment after contrast adjustment. • Trigger FRP (CP305). QV-770 3.
DISASSEMBLY Numbers in the parethesis correspond to the numbers in EXPLODED VIEW. 1. Unscrew two screws (S1) on the bottom of the camera. two screws (S1) 2. Rotate the camera unit and unscrew two screws (S1). Open console cover (2), then unscrew two screws (S1). two screws (S1) two screws (S1) 3. Separate upper case (14) and lower case (25). Remove console (2) and battery cover (41).
4. Disconnect two flexible cables from PCB-DA ass’y and remove two connectors from PCB-L ass’y. D k flexible cable connector 5. Disassembly of upper case. Remove flexible cable from PCB-L ass’y, then remove SUB773-LB2 ass’y. flexible cable Unscrew four screws (S2) fixing PCB-L ass’y then remove it.
Unscrew three screws (S2) fixing backlight, then remove the backlight. three screws (S2) When assembling, make sure to put each sheet in order. diffusion sheet (10) filter sheet (9) LCM spacer (8) Remove two screws (S2) fixing PCB-K773-KB ass’y (20), then remove PCB-K773-KB ass’y (20). two screws (S2) Remove LCD (6). When assembling, make sure reverse side of the LCD is free from dust.
6. Disassembly of Main case. Unscrew two screws (S4) fixing camera unit, then remove camera unit. two screws (S4) Remove PCB-K773A-KA (43). Unscrew two screws (S4) fixing PCB-K773-DA ass’y (24), then remove PCB-K773-DA ass’y (24).
7. Disassembly of Camera Unit. Unscrew one screw (S1), then disassemble as shown. one screw (S1) When assembling convex part of CCD should be placed with concave part of F knob. convex part concave part Unscrew one screw (S3) and disconnect two flexible cables, them remove CCD unit.
EXPLODED VIEW 27 29 39 40 30 31 28 S3 38 33 32 38 37 33 S2 S3 34 36 S3 35 S3 S1 38 — 26 —
S1 15 S4 S1 7 S4 18 17 12 13 26 S4 16 S4 14 24 44 20 S2 19 11 S2 6 S4 22 8 2 9 3 43 10 S1 25 23 S1 21 S1 S2 41 S2 S1 S2 1 5 S2 4 — 27 — S2 S2 42
PARTS LIST DIGITAL PCB ASS'Y Item IC507 IC508 IC400 IC582 IC530 IC550 IC515 IC150 IC531 IC502 IC503 IC131 IC510 IC580 IC590 IC586 IC588 IC500 IC560 IC584 IC130 IC540 IC505 JK510 JK515 Q515 Q134 Q169 Q520 Q522 Q130 Q133 Q521 Q588 Q508 Q510 Q131 Q132 Q507 Q511 Q539 Q580 Q583 D130 D132 D131 D510 D513 H500 H502 VR130 VR131 Code No.
LINEAR PCB ASS'Y Item IC545 IC150 IC300 IC160 IC900 IC920 IC100 SW150 Q950 Q160 Q100 Q900 Q300 Q543 Q541 Q540 Q101 Q102 Q150 Q151 Q901 D110 D111 D113 D101 D112 D150 D900 D160 T100 T900 FU152 FU150 FU151 VR300 VR301 VR304 VR302 VR303 VR100 VR900 H300 JK100 Code No.
SUB LINEAR PCB ASS'Y Item SW700 IC770 IC700 IC780 D700 D721 D720 VR770 VR720 Code No.
MAIN BODY CONPONENT Item Code No.
ACCESSORY Item Code No.
PRINTED CIRCUIT BOARDS D board (PCB-K773A-DA) — 33 —
L board (PCB-K773A-LA) — 34 —
L board(PCB-K773A-LB) CA board (PCB-K773A-CA) — 35 —
K board (PCB-K773A-KA) (PCB-K773A-KB) — 36 —
SCHEMATIC DIAGRAMS DA-CIR-K0773AAA — 37 —
LA-CIR-K0773AAA — 38 —
LB-CIR-ZK0773AAA — 39 —
KX-CIR-ZK0773AAA — 40 —
KA-CIR-K0773AAA — 41 —
KB-CIR-K0773AAA — 42 —
TROUBLE SHOOTING Trouble 1 : No display • LCD connector or BL connector is OPEN. → Insert connector. If broken, replace it. Trouble 2 : Erratic display when using strobe. • Interruption when using strobe. → Refer to “1-4. Strobe check”. Trouble 3 : Cannot switch between REC/PLAY. • Broken slide switch of PCB-L ass’y or improper assemble. → Replace switch or re-assemble. Trouble 4 : Short battery life. • Refer to User’s Manual (P15, 16, 75).
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