12
F-4 J2
Pin NO.
Signal
Comment
1 NONE
2
LED-Y
Power saving mode
3
LED-G
Monitor is ON
4 GND GND
5
KEY-UP
Function select counter-clockwise key
6
KEY-Down
Function select counter-clockwise key
7
KEY-R
Adjust up key
8
KEY-L
Adjust down key
9
KEY-POWER
Power ON/OFF key
10 GND GND
F-5 J3
Pin NO.
Signal
Comment
1
+5V
VL531 power input
2
+5V
VL531 power input
3 GND Ground
4 GND Ground
5
BLON
Back Light ON/OFF.
6
MUTE
Audio amplifier control signal
7 BRIGHT
Brightness
Adjustment.
Summary of Contents for CML153
Page 26: ...22 10 TROUBLESHOOTING A Main Procedure ...
Page 27: ...23 A 1 Power Circuit Troubleshooting ...
Page 28: ...24 A 2 Backlights Troubleshooting ...
Page 29: ...25 A 3 Performance Troubleshooting ...
Page 30: ...26 A 4 Function Troubleshooting ...
Page 31: ...27 APPENDIX A Display Unit Assembly ...
Page 32: ...28 ...
Page 33: ...29 APPENDIX B PCB ASSEMBLY ...
Page 34: ...30 ...
Page 35: ...31 ...
Page 36: ...32 ...
Page 37: ...33 ...
Page 38: ...34 ...
Page 39: ......
Page 40: ...36 ...
