Toshiba D-R410KU Service Manual page 18

FLOW CHART NO.6
EV+10.5V is not outputted.
Check D1063, D1064, C1063, C1064, L1052 and
their periphery, and replace P1(AV ASSEMBLY)
if defective.
FLOW CHART NO.7
P-ON+5V(AUDIO+5V) is not outputted.
Is 5V voltage supplied to the emitter of Q1053?
Is the "H" pulse outputted to Pin(53) of IC1501?
Is the "L" pulse outputted to the collector of Q1056?
Check Q1053, D1060 and their periphery,
and replace P1(AV ASSEMBLY) if defective.
FLOW CHART NO.8
AUDIO+10V is not outputted.
Is 10.5V voltage supplied to the emitter of Q1054?
Is the "H" pulse outputted to Pin(53) of IC1501?
Is the "L" pulse outputted to the collector of Q1056?
Check Q1054 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
FLOW CHART NO.9
VIDEO+5V is not outputted. (AUDIO+10V is outputted normally.)
Is 5V voltage supplied to the collector of Q1057?
Replace P1(AV ASSEMBLY).
FLOW CHART NO.10
EV+3.3V is not outputted.(EV+10.5V is outputted normally.)
Is 5V voltage supplied to the collector of Q1063?
Is the voltage of approximately 4V supplied to
the base of Q1063?
Replace P1(AV ASSEMBLY).
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Check D1058, D1059, C1060, C1061, L1051 and
No
their periphery, and replace P1(AV ASSEMBLY)
if defective.
No
Replace P1(AV ASSEMBLY).
No
Replace P1(AV ASSEMBLY).
Check D1063, D1064, C1063, C1064, L1052 and
No
their periphery, and replace P1(AV ASSEMBLY)
if defective.
No
Replace P1(AV ASSEMBLY).
No
Replace P1(AV ASSEMBLY).
No Check D1058, D1059, C1060 and their periphery,
and replace P1(AV ASSEMBLY) if defective.
Check D1058, D1059, C1060, and their periphery,
No
and replace P1(AV ASSEMBLY) if defective.
No
Check D1062 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
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