3-2
No
Yes
P-ON+12V is not outputted.
FLOW CHART NO.8
Is 12V voltage supplied to the emitter of Q1006?
Replace Q1006.
No
No
Yes
Yes
Is the "L" pulse (approximately 0V) outputted to
the collector of Q1005?
Check D1015, D1019, C018 and their periphery,
and service it if detective.
Check Q1005 and PWRCON line, and service it if
detective.
Check D1008, C1007, C1038 and their periphery,
and service it if detective.
FLOW CHART NO.7
EV+3.3V is not outputted. (P-ON+5V is outputted normally.)
FLOW CHART NO.9
P-ON+3.3V is not outputted. (EV+3.3V is outputted normally.)
Is 5V voltage supplied to Pin(1) of IC1004?
Replace IC1004.
Is the "H" pulse (approximately 5V) inputted into
the base of Q1011?
Replace Q1011.
See FLOW CHART NO.8. <P-ON+12V is not
outputted. >
Yes
No
No
Is approximately 2.35V voltage supplied to Pin(1)
of IC1002?
FLOW CHART NO.10
EV 1.5V is not outputted.
Replace IC1002.
Check D1020,C1014,C1015, and their periphery,
and service it if detective.
FLOW CHART NO.6
P-ON+5V is not outputted. (P-ON+9V is outputted normally.)
Is 5V voltage supplied to the collector of Q056?
Replace Q056.
No
No
Yes
Yes
Is the "H" pulse inputted into the base of Q056?
Check D016, D018, C020, C021, and their
periphery, and service it if defective.
Check Q056, R057 and their periphery, and
service it if defective.
Yes
Содержание DV-PF33U
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Страница 86: ...21 5 2 Main CBA Bottom View ...