F. Connector pin Assignment
F-1 J801 DC 12V Input
Pin No
Signal
Comment
Pin 1
+12V
From adapter output cable
Pin 2
GND
From adapter output cable
F-2 J802 FOR I/F CKT
Pin No
Signal
Comment
Pin 1
+12V
From a12V power
Pin 3, 4
GND
GND
Pin 2
+5V
Supply for I/F CKT
F-3 J3 FOR Audio input
Pin No
Signal
Comment
Pin 1
GND
GND
Pin 2
Audio IN (1)
From Audio output (1)
Pin 3
Audio IN (2)
From Audio output (2)
F-4 J2 TO Speaker CKT
Pin No
Signal
Comment
Pin 2, 5, 8
AGND
GND
Pin 1
Volume voltage
To adjustment volume
Pin 3
Audio out L-
From AMP L-
Pin 4
Audio out L+
From AMP L+
Pin 6
Audio out R-
From AMP R-
Pin 7
Audio out R+
From AMP R+
13
Summary of Contents for AL722
Page 19: ...9 TROUBLESHOOTING A Main Procedure CM67B 19 ...
Page 20: ...Power Circuit Troubleshooting 20 ...
Page 21: ...Backlights Troubleshooting 21 ...
Page 22: ...Performance Troubleshooting 22 ...
Page 23: ...23 Function Troubleshooting ...
Page 24: ...APPENDIX A PARTS LISTS 24 ...
Page 26: ...A 4 461A7830011 Firmware CTRLl Board VL 710 26 ...
Page 29: ...APPENDIX B DISPLAY UNIT ASSEMBLY 29 ...
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