R
QV-100 (B) (KX-725B)
AUG. 1996
(without price)
(For NTSC)
CONTENTS
SPECIFICATIONS ......................................................................................... 1
BLOCK DIAGRAM ......................................................................................... 2
FLOW DIAGRAM ........................................................................................... 3
POWER SUPPLY CIRCUIT OPERATION ..................................................... 5
TROUBLESHOOTING ................................................................................... 8
DISASSEMBLY .............................................................................................. 9
PRINTED CIRCUIT BOARDS ...................................................................... 11
EXPLODED VIEW ........................................................................................ 13
PARTS LIST ................................................................................................. 14
SCHEMATIC DIAGRAMS ............................................................................ 21
WAVEFORMS .............................................................................................. 25
-- 1 --
SPECIFICATIONS
Item
Specification
1. Recording System
Digital (JPEG based)/Field recording
2. Video Signal System
NTSC
3. Recording Medium
Built-in 32-Mbit 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; F2.8/f = 4.2 mm
8. Aperture
F2.8/F8 manual switching
9. Focal Length
F2.8/NORMAL : 50 cm to ~
F2.8/MACRO
: 14 cm to 18 cm
F8/NORMAL
: 30 cm to ~
F8/MACRO
: 11 cm to 27 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 150 minutes continuous operation (Play mode)
Recording for about 96 images (one image per minute)
FR6 AA-size lithium batteries:
Approximately 240 minutes continuous operation (Play mode)
Recording for about 180 images (one image per minute)
22. Dimensions
66(H)
× 139(W) × 40(D)mm /
2.6" (H)
× 5.5" (W) × 1.6" (D)
23. Weight
Approximately 180 g / 6.3 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)
-- 2 --
BLOCK DIAGRAM
CCD
Camera Unit
IC700
HG51D291FE
Digital PCB
IC703
LC99092-Z03
8 bit to 16 bit
converter
Color processor
IC602
KM29V32000T
32Mbit
Flash memory
IC601
HM51W4260
4Mbit DRAM
IC701
µPD482445LGW
4Mbit VRAM
IC702
µPD6461GS
On screen
display
VRAM
contoroller
Video
encoder
D/A
converter
ROM
RAM
Direct
memory
access
controller
Bus
state
controller
Serial
communication
interface
IC600
HD6437042Y02F
Data
compressor
expander
Video out
Key PCB
A/D
converter
Lens
Digital I/O
IC300
IR3P90Y1
Chroma circuit
IC400
MSM6770CGS
Display controller
Linear PCB
Power
supply
Power
supply
AC Adaptor
Battery
Back
light
LCD
CPU
I/O
port
-- 3 --
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 IC 700 and IC701: Y, By, Ry
Video
8 Video out
When pressing the shutter button
Camera Unit
IC703
LC99092-Z03
IC700
HG51D291FE
IC701
µPD482445LGW
IC602
KM29V32000T
IC601
HM51W4260
IC600
HD6437042Y02F
Digital PCB
1
2
3
4
5
6
7
8
CCD
A/D
Converter
IC703
LC99092-Z03
IC700
HG51D291FE
IC701
µPD482445LGW
IC602
KM29V32000T
IC601
HM51W4260
IC600
HD6437042Y02F
Digital PCB
2
3
4
5
6
7
8
Camera Unit
1
CCD
A/D
Converter