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Flow Chart of Troubleshooting
10-8
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10-2. RECEIVER Working
2, 4 Pin in U407
Signal ON ?
AE15, AE16 Pin in
UCP200
Signal ON?
Operator receive
SPK-Assy's Breakdown?
Check UDC402, C416, C417
Change SPK-Assy's
Yes
No
No
No
Yes
No
Check PIN 6, 10 in U407
Yes
12, 14 Pin in U402
Signal ON ?
10, 18 Pin in U402
Signal ON ?
No
Check R430, R433
Yes
Check L404, L405
No
Yes
END