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QV-770
(KX-773)
APR. 1998
INDEX R
CONTENTS
SPECIFICATIONS ......................................................................................................................................1
BLOCK DIAGRAM .....................................................................................................................................2
ADJUSTMENT ...........................................................................................................................................3
1-1. Loading color parameter ................................................................................................................3
1-2. Defect correct ..................................................................................................................................4
1-3. Strobe adjust ...................................................................................................................................4
1-4. Strobe check ...................................................................................................................................5
1-5. Display appearance when using flash. ......................................................................................... 7
1-6. Current consumption .....................................................................................................................7
1-7. IrDA Test ..........................................................................................................................................7
1-8. Test program ...................................................................................................................................8
1. Standard test program (including QV-770 Built in ROM) ........................................................8
2. Special test program (including QV-770 Built in ROM) ......................................................... 12
Battery check ............................................................................................................................12
Key check ..................................................................................................................................13
Last memory set .......................................................................................................................13
2. Adjustment of PCB-DA .................................................................................................................... 14
Adjustment of VCC7, VCC3, voltage check of VCC1 ....................................................................15
Operation Check ..............................................................................................................................15
3. Adjustment of PCB-L .......................................................................................................................16
VCC3, VCC5 voltage check LA-PCB ..............................................................................................17
VCC2 adjustment and VCC7, VCC8, VEE2 voltage check ...........................................................17
VCO free run frequency adjustment ..............................................................................................17
BL drive voltage adjustment ........................................................................................................... 18
VCOM AC adjustment and VCOM DC coarse adjustment ............................................................18
Bright voltage setting and contrast adjustment (PCB-LA) ..........................................................19
Color adjustment (PCB-LA) ............................................................................................................19
TINT adjustment ...............................................................................................................................20
DISASSEMBLY ........................................................................................................................................21
EXPLODED VIEW .................................................................................................................................... 26
PARTS LIST ............................................................................................................................................. 28
PRINTED CIRCUIT BOARDS .................................................................................................................. 33
SCHEMATIC DIAGRAMS ........................................................................................................................37
TROUBLE SHOOTING ............................................................................................................................43
SPECIFICATIONS
Item Specification
Recording System 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 = 3.9 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, Aperture Priority AE
Exposure Range EV +5 to 18
Exposure Correction