Magnavox DV225MG9 Service Manual page 24

FLOW CHART NO.11
DVD-P-ON+3.3V is not outputted. (DVD-P-ON+12V is outputted normally.)
Is the "H" pulse (approximately 4V) inputted into
the base of Q1011?
Replace Q1011.
FLOW CHART NO.12
DVD-P-ON+5V is not outputted. (DVD-P-ON+12V is outputted normally.)
Is the "H" pulse inputted to the base of Q1004?
Replace Q1004.
FLOW CHART NO.13
EV+1.2V is not outputted.
Is 2.8V voltage supplied to Pin(4) of IC1002?
Replace IC1002.
FLOW CHART NO.14
EV+3.3V is not outputted.
Is 4V voltage supplied to Pin(4) of IC1004?
Replace IC1004.
No
Yes
No
Yes
No
Yes
No
Yes
Check R1077 and their periphery, and service it if
defective.
Check R1068 and their periphery, and service it if
defective.
Check D1020,C1014,L1020, C1015, and their
periphery, and service it if defective.
Check D1008, C1007, L1007, C1038 and their
periphery, and service it if defective.
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