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Main unit's key
PLAY
STOP
FOW
REV
HOLD OFF
REC
VOL+
VOL-
MARK MODE
MODE
EQ
7. "Checking the main unit's key" is finished. Remove the battery
when you exit from this mode.
Note:
Refer to "12. Printed Circuit Board Diagram" for the test points.
7. Troubleshooting Guide
7.1. Overall Flow Chart
7.1.1. Confirmation of main unit and remote control
Check point
Voltage (ON)
IC501 100pin
IC501 100pin
IC501 99pin
IC501 99pin
IC501 42pin
IC501 100pin
IC501 99pin
IC501 99pin
IC501 99pin
IC501 99pin
IC501 99pin
Voltage (OFF)
0V
2.2V
1.76V
2.2V
0.66V
2.2V
0.88V
2.2V
0V
2.2V
0.22V
2.2V
1.1V
2.2V
1.32V
2.2V
0V
2.2V
0.22V
2.2V
0.44V
2.2V
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