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QV-700
(KX-772)

JAN. 1998




R
CONTENTS

SPECIFICATIONS ......................................................................................................................................1
WIRING AND BLOCK DIAGRAM ..............................................................................................................2
POWER SUPPLY CIRCUIT OPERATION .................................................................................................. 3
ADJUSTMENT ........................................................................................................................................... 4
1. Unit Adjustment .................................................................................................................................... 4
1-1. Color parameters loading ............................................................................................................4
1-2. Scratch compensation .................................................................................................................5
1-3. Flash adjustment ..........................................................................................................................5
1-4. Flash check ...................................................................................................................................6
1-5. Current consumption ...................................................................................................................7
1-6. Clock reset .................................................................................................................................... 7
1-7. Other test modes ..........................................................................................................................8
2. PCB K772-DA Adjustment .................................................................................................................... 8
2-1. VCC1, VCC3 voltage check ..........................................................................................................9
2-2. VCC7, VEE3 adjustment ...............................................................................................................9
2-3. Clock oscillation check ................................................................................................................ 9
3. PCB K77-L Adjustment ....................................................................................................................... 10
3-1. VCC1 adjustment and VCC2, VCC6, VEE2, VCC0 voltage check ........................................... 11
3-2. VCO free run frequency adjustment ......................................................................................... 11
3-3. Backlight drive voltage adjustment ..........................................................................................12
3-4. VCOM AC adjustment and VCOM DC coarse adjustment ......................................................12
3-5. Brightness voltage setting and contrast adjustment .............................................................. 13
3-6. Color adjustment ........................................................................................................................14
3-7. TINT adjustment ..........................................................................................................................15
3-8. VCOM DC adjustment .................................................................................................................15
DISASSEMBLY ........................................................................................................................................16
PRINTED CIRCUIT BOARDS .................................................................................................................. 22
EXPLODED VIEW .................................................................................................................................... 26
PARTS LIST ............................................................................................................................................. 28
SCHEMETIC DIAGRAMS ........................................................................................................................34
SPECIFICATIONS
Item Specification
Recording System Digital (JPEG base)
Signal System NTSC
Recording Medium Memory card (2 MB card included)
Memory Capacity FINE; 14 images (Approx. 133 KB compressed)
(2MB card) NORMAL; 26 images (Approx. 70 KB compressed)
ECONOMY; 47 images (Approx. 38 KB compressed)
Image Deletion Single image; all images in a folder, all images in memory (with image pro-
tection)
Imaging Element 1/4-inch CCD (350,000 pixels)
Lens Fixed focal point with macro position; F2, f = 3.94 mm
Focus Range NORMAL: 70 cm to
MACRO: 14 cm to 16 cm (from surface of protective lens)
Light Metering TTL center priority by CCD
Exposure Metering Program AE
Exposure Range EV +5 to 18
Exposure Correction