Service Manual
Model No.:
4-2. Mainboard
4-2-1. Function Description
Process signal which incept from exterior equipment then translate into signal that panel can
display.
4-2-
2. Connector definition
14
IR & Key Interface
CN6
Pin number
Signal name
1
GND
2
K7
3
K6
4
K5
5
K4
6
K3
7
K2
8
K1
9
K0
10
GND
11
IR
12
GRE
13
RED
14
5V
LED Backlight interface
CN804/CN805
Pin number
Signal name
1
LED+
2
NC
3
LED-
Speaker connector CN20
Pin number
Signal name
1
ROUT+
2
ROUT-
3
LOUT-
4
LOUT+
40DR3505
Summary of Contents for 40DR3505
Page 10: ...Service Manual Model No 2 2 External pictures four faces Front Side Up Side 9 40DR3505 ...
Page 11: ...Service Manual Model No Right Side Back Side 10 40DR3505 ...
Page 16: ...Service Manual Model No 15 40DR3505 ...
Page 17: ...Service Manual Model No 4 3 LCD Panel Backlight Unit LVDS CONNECTOR CNF1 16 40DR3505 40DR3505 ...
Page 18: ...Service Manual Model No 17 40DR3505 ...
Page 31: ...Service Manual Model No 7 2 Wiring Connection Diagram 30 40DR3505 ...
Page 37: ...Service Manual Model No 9 2 Mainboard IC Introduction Top view 36 1 2 3 4 5 6 7 8 40DR3505 ...
Page 38: ...Service Manual Model No Bottom view 37 40DR3505 ...