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Service Manual
Model No.:
3-2-1 Function Description:
Main Board
Process signal which incept from exterior equipment then translate into signal that panel
can display.
Main board connector
Keypad andremote connector (CON4)
Pin number
1
2
3
4
5
6
7
8
9
10
Speaker connector (
Pin number
1
2
3
4
Signal name
LED_R
LED_G
STANDBY
IR
GND
5V
NC
KEY0
KEY1
GND
)
XS403
Signal name
RSPK+
RSPK-
LSPK-
LSPK+
- 09 -
Description
LAMP RED
LAMP GREEN
REMOTE CONTROL
GND
POWER FOR REMOTE
Description
RSPK+
RSPK-
LSPK-
LSPK+
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