Toshiba RD-87DTKF Service Manual page 21

FLOW CHART NO.6
AUDIO+10V is not outputted.
Is 12V voltage supplied to the collector of Q1160?
Is 12V voltage supplied to the collector of Q2203?
Check Q2203, IC2204 and their periphery, and
service it if defective.
FLOW CHART NO.7
AL+9V is not outputted.
Is 12V voltage supplied to the collector of Q1156?
Check Q1156, D1156 and their periphery, and
service it if defective.
FLOW CHART NO.8
P-ON+5V is not outputted.
(AUDIO+10V is outputted normally.)
Is 5V voltage supplied to the collector of Q1154?
Check Q1154 and their periphery, and service it if
defective.
FLOW CHART NO.9
EV+32V is not outputted.
Is the supply voltage 44V fed the cathode of D2202
Check D1701 and their periphery and service it
if defective.
FLOW CHART NO.10
AUDIO +5V is not outputted. (AUDIO+10V is outputted normally.)
Is 6V voltage supplied to the base of Q1163?
Replace Q1163.
No
Yes
Yes
Yes
Yes
Yes
Yes Check Q1160, D1162 and their periphery, and
service it if defective.
No Check D2204, D2205, D2212, C2204 and their
periphery, and service it if defective.
No Check D2204, D2205, D2212, C2204
TTand their periphery, and service it if defective.
No Check D2206, D2207, D2213, C2205, C2216
and their periphery, and service it if defective.
No Check D2202, D2229, L2202 and their periphery,
and service it if defective.
No Check D1163, C1168 and their periphery, and
service it if defective.
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