1-8-2
E7B71TR
FLOW CHART NO.6
P-ON+10V is not outputted.
Is 12V voltage supplied to the emitter of Q1155?
FLOW CHART NO.7
AL+9V is not outputted.
Is the "L" pulse outputted to the collector of Q1157?
Check Q1155 and their periphery, and service it
if defective.
No
No
No
Yes
Yes
Yes
Is the "H" pulse outputted to Pin(53) of IC1501?
Check D1102, D1113, C1117, L1102 and their
periphery, and service it if defective.
Is 11V voltage supplied to the collector of Q1156?
Check Q1156, D1156 and their periphery, and
service it if defective.
No
Yes
Check D1102, D1113, D1170, D1171, C1117,
L1102 and their periphery, and service it if defective.
Is 12V voltage supplied to the collector of Q1160?
Yes
Check Q1160, D1162 and their periphery, and
service it if defective.
FLOW CHART NO.10
EV+32V is not outputted.
Is the supply voltage 44V fed the cathode of D1103?
No
Yes
Check D1701 and their periphery and service it
if defective.
Check D1103, C1113 and their periphery, and
service it if defective.
FLOW CHART NO.11
AUDIO +5V is not outputted. (P-ON+10V is outputted normally.)
Is 6V voltage supplied to the base of Q1163?
No
Yes
Replace Q1163.
Check D1163, C1168 and their periphery, and
service it if defective.
Replace IC1501.
No
Replace Q1157.
FLOW CHART NO.8
P-ON+5V(1) is not outputted.
Is 5V voltage supplied to the collector of Q1154?
Check Q1154 and their periphery, and service it if
defective.
No
Yes
Check D1108, L1101, C1114 , C1116 and their
periphery, and service it if defective.
FLOW CHART NO.9
P-ON+5V(2) is not outputted.
Is 5V voltage supplied to the collector of Q1158?
Check Q1158 and their periphery, and service it if
defective.
No
Yes
Check D1108, L1105, C1120 and their
periphery, and service it if defective.
Summary of Contents for D-R265SE
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