Toshiba D-VR41KF, Руководство по обслуживанию

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1-10-2 E9BA1TR
No
Yes
Check D1008, C1007, and their periphery, and
service it if defective.
FLOW CHART NO.10
P-ON+2.5V is not outputted.
Is 4V voltage supplied to Pin(1) of IC1504?
Replace IC1504.
No
Check D016, D1032, L013, C017, C018 and their
periphery, and service it if defective.
FLOW CHART NO.9
TIMER+5V is not outputted.
Is 5V voltage supplied to the emitter of Q1513?
Is the "L" pulse (approximately 0V) inputted to
the base of Q1516? Is the "H" pulse (approximately 5V) inputted to
the base of Q1517?
Is 5V voltage supplied to the
Pin(37,99) of IC501.
Replace Q1516. Replace
Q1517.
Yes
FLOW CHART NO.8
P-ON+5V (AL+5V, EV+5.5V) is not outputted. (P-ON+9V is outputted normally)
Is 5V voltage supplied to the collector of Q1518?
Replace Q1518.
No
No
Yes
Yes
Is the "H" pulse inputted to the base of Q1518?
Check D016, D1032, L013, C017, C018, and their
periphery, and service it if defective.
Check R1523 and their periphery,
and service it if defective.
FLOW CHART NO.7
P-ON+9V is not outputted. (P-ON+44V is outputted normally)
Is 12V voltage supplied to the collector of Q1515?
Replace Q1515.
No
Yes
Yes
Check C014, D014, D017, L010, C015, and their
periphery, and service it if defective.
FLOW CHART NO.6
P-ON+44V is not outputted.
Is 44V voltage supplied to the emitter of Q1516?
No
No
Is the "H" pulse (approximately 10V) inputted to
the base of Q1515? Check D1511, R1568, R1569, R1570, and their
periphery, and service it if defective.
No
Yes
Yes
Replace IC501.
Yes
Check AL+5V and
Timer+5V line, and
service it if defective.
No
No
Check D013, C013, and their periphery, and
service it if defective.
Is the "L" pulse outputted to the collector of Q1512? Check Q1512, D1508 and their periphery, and
service it if defective.
Replace Q1513.
Yes
No
Yes