29
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
Содержание AL1931
Страница 27: ...26 3 3 BLOCK DIAGRAM ...
Страница 34: ...33 5 TROUBLESHOOTING 5 1 Main Procedure ...
Страница 35: ...34 5 1 1 Power Circuit Troubleshooting ...
Страница 36: ...35 5 1 2 Backlights Troubleshooting ...
Страница 37: ...36 5 1 3 Performance Troubleshooting ...
Страница 38: ...37 5 1 4 Function Troubleshooting ...
Страница 44: ...43 WAVESHAPE ...
Страница 50: ...49 APPENDIX A PARTS LISTS ...
Страница 51: ...50 A FRU Board A 1 454AA030001 PCBA Key Board VK 903 ...
Страница 52: ...51 A 2 461AA030001 Firmware CTRL Board VL 903 ...
Страница 53: ...52 A 3 455AA030001 PCBA D D INV Board Vp 903 ...
Страница 54: ...53 Appendix B DISPLAY Assembly ...
Страница 55: ...54 ...
Страница 58: ...57 ...
Страница 60: ...60 Appendix C PCBA Assembly ...
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