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R
QV-200B(NTSC)
QV-200C(PAL)
AUG. 1997
(without price)
(KX-775)
REC
PLAY
DEL
MODE
DISP
EFFECT
PROTECT
ON/OFF
POWER


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CONTENTS
SPECIFICATIONS ......................................................................................... 1
BLOCK DIAGRAM ........................................................................................ 2
FLOW DIAGRAM ........................................................................................... 3
POWER SUPPLY CIRCUIT OPERATION .................................................... 5
MEMORY RESET AND COLOR ADJUSTMENT .......................................... 8
TROUBLESHOOTING ................................................................................. 11
DISASSEMBLY ........................................................................................... 12
PRINTED CIRCUIT BOARDS ..................................................................... 14
EXPLODED VIEW ....................................................................................... 16
PARTS LIST ................................................................................................ 17
SCHEMATIC DIAGRAMS ........................................................................... 22
WAVEFORMS .............................................................................................. 27


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-- 1 --
SPECIFICATIONS
Item
Specification
1. Recording System
Digital (JPEG based)/Field recording
2. Video Signal System
NTSC (QV-200B)/PAL (QV-200C)
3. Recording Medium
Built-in 4-Mbyte flash memory
4. Number of pages
FINE (VGA)
NORMAL (Quarter-VGA)
5. Delete Functions
Single page; All pages (with page protect feature)
6. Imaging Device
1/4-inch CCD (Total Number of Pixels: 360,000)
7. Lens
Fixed focus with macro position; F2/f = 3.9 mm
8. Aperture
F2/F8 manual switching
9. Focal Length
F2/NORMAL
: 0.6 m to ~
F2/MACRO
: 12 cm to 14 cm
F8/NORMAL
: 0.24 m to ~
F8/MACRO
: 9 cm to 23 cm
(from lens protection filter)
10. Light Metering
TTL center point by photographic element
11. Exposure Metering
Aperture priority AE
12. Exposure Range
EV +5 to 18
13. Exposure Adjustment
­2 EV to +2 EV
14. Shutter System
Electronic
15. Shutter Speed
1/8 to 1/4000 second
16. White Balance
Automatic
17. Self-timer
10-second
18. Monitor
61,380-pixel 1.8-inch TFT low-glare color LCD; doubles as finder
19. Terminals
DIGITAL; VIDEO OUT; DC IN 6 V
20. Power Supply
Batteries (AA-size Alkaline or lithium batteries
× 4)/AC Adaptor
21. Battery Life
LR6 (AM3) AA-size alkaline batteries:
Approximately 130 minutes continuous operation (Play mode)
Recording for about 96 images (one image per minute)
FR6 AA-size lithium batteries:
Approximately 210 minutes continuous operation (Play mode)
Recording for about 180 images (one image per minute)
22. Dimensions
66(H)
× 141(W) × 40(D)mm /
2.6" (H)
× 5.5" (W) × 1.6" (D)
23. Weight
Approximately 190 g / 6.7 oz (excluding batteries)
24. Accessories
Wirst strap; soft case; special video cable;
Alkaline batteries (LR6
× 4); cleaning cloth
: 64 (approximately 480-kbit compressed)
: 192 (approximately 160-kbit compressed)


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-- 2 --
BLOCK DIAGRAM
Camera Unit
Digital PCB
Linear PCB
Video out
Key PCB
Digital I/O
AC Adaptor
Battery
Lens
CDD
A/D
converter
IC703
LC99092-Z98
8 bit to 16 bit
converter
Color processor
IC602
KM29V32000T
32M bit
Flash memory
IC601
HM51W4260
4M bit DRAM
IC701
µPD482445LGW
4M bit VRAM
VRAM
controller
Video
encoder
D/A
converter
IC700
HG51D291FE
Data
compressor
expander
Direct
memory
access
controller
Bus
state
controller
Serial
communication
interface
ROM
RAM
CPU
I/O
port
IC600
HD6437042Y04F
Power
supply
LCD
Back
light
Power
supply
IC300
IR3P90Y1 (NTSC)
IR3Y21 (PAL)
Chroma circuit
IC400
MSM6770CGS
Display controller
IC702
µPD6461GS
On screen
display


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-- 3 --
Camera Unit
IC703
LC99092-Z98
IC700
HG51D291FE
IC701
µPD482445LGW
IC602
KM29V32000T
IC601
HM51W4260
IC600
HD6437042Y04F
Digital PCB
1
2
3
4
5
6
7
8
CCD
A/D
Converter
IC703
LC99092-Z98
IC700
HG51D291FE
IC701
µPD482445LGW
IC602
KM29V32000T
IC601
HM51W4260
IC600
HD6437042Y04F
Digital PCB
2
3
4
5
6
7
8
Camera Unit
1
CCD
A/D
Converter
FLOW DIAGRAM
REC mode
1 Exposure and Analog to Digital conversion by Camera unit
2 8 to 16 bits conversion by IC703
3 Storage for work
4 Color processing by IC703: Ye,Cy, Gr
Y, By, Ry
5 Storage for work
6, 7 Video encode by IC700 and IC701: Y, By, Ry
Video
8 Video out
When pressing the shutter button