Casio QV-10A Service Manual & Parts List page 11

3 V RAM
It is used for encoder function.
4 Flash Memory
Up to 96 images can be stored in memory. Flash memory does not require electrical power to store data,
so image data is retained in memory even when you turn camera power off.
If batteries go dead, simply load a set of new batteries or connect the AC adaptor and you will be able to
view images in camera memory.
Memory Map
Header
record
5 D RAM
There is area of work space that the microprocessor uses for storing temporary data , the intermediate
results of calculations, and all sorts of pieces of information that the system needs to remember.
6 Power Supply
KEY PCB
Block Diagram
Key Matrix
V O L T A G E B U T T O N
VCC3-1
VCC3-1
VCC3-1
VCC3-1
VCC3-1
VCC3-1
VCC3-1
VCC3-1
Image data
Max; 96 images
Terminal Voltage
VCC3-0 4.75 ~ 5.15 (V)
VCC3-1 4.70 ~ 5.15 (V)
VCC3-2 4.60 ~ 5.15 (V)
VCC6 17.80 ~ 18.20 (V) CCD
VEE3 -9.6 ~ -10.6 (V)
BUTTON
VCC3-1
R E S I S T O R
Shutter R900 (1.8 K)
[+] R901 (15 K)
MODE R902 (1.8 K)
DISP R903 (4.7 K)
ZOOM R904 (10 K)
SELF R905 (27 K)
[-] R906 (1.8 K)
DEL R907 (15 K)
— 9 —
Color
Information
Purpose
Logic circuit
Video output
Digital I/O
CCD
RESISTOR
KEY 0
KEY 1
KEY 2
KEY MATRIX
KEY0
KEY0
KEY1
KEY1
KEY1
KEY1
KEY2
KEY2
CPU
87 pin
88 pin
89 pin
C P U
87pin
87pin
88pin
88pin
88pin
88pin
89pin
89pin