28
3.6.3 CN8
Pin NO.
Signal
Comment
1
L+
Audio Left + Channel Output
2
L-
Audio Left – Channel Output
3 GND
Audio GND
4
R+
Audio Right + Channel Output
5
R-
Audio Right - Channel Output
3.6.4 CN6
Pin NO.
Signal
Comment
1
+12 V
12V Power Input
2
+5V
+5V Power Input
3 +5V
+5V Power Input
4
BKLON
Black Light ON
5 BRI_ADJ
Brightness
Adjusting
6 GND
GND
7 GND
GND
8
Audio GND
Audio GND
9
Audio VDD
Audio +5V Power Input
3.6.5 CN3
Pin NO.
Signal
Comment
1
+5 V
5V Power Input
2
RXD
Data Transmission
3 TXD
Data Receive
4 GND
GND
Summary of Contents for AL1731
Page 26: ...25 3 3 BLOCK DIAGRAM ...
Page 33: ...32 5 TROUBLESHOOTING 5 1 Main Procedure ...
Page 34: ...33 5 1 1 Power Circuit Troubleshooting ...
Page 35: ...34 5 1 2 Backlights Troubleshooting ...
Page 36: ...35 5 1 3 Performance Troubleshooting ...
Page 37: ...36 5 1 4 Function Troubleshooting ...
Page 43: ...42 WAVESHAPE ...
Page 51: ...50 Appendix A DISPLAY Assembly ...
Page 52: ...51 ...
Page 54: ...53 ...
Page 57: ...56 Appendix B P C B A Assembly ...
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