Philips BDP5320/F7, Service Manual

Page: 20 / 68

1-8-3 E5SK6TR
FLOW CHART NO.13
P-ON+3.3V is not outputted.
Is 5V voltage supplied to Pin(3) of IC2660?
Replace IC2600.
Check D1011, D1013, D1014, C1019, C1025 and
their periphery circuit, and service it if defective.
Yes
No
Yes
No
Is the "H" signal inputted to Pin(7) of IC2660? Replace IC2000.
Yes
Yes
No
No
FLOW CHART NO.11
Is 5V voltage supplied to Pin(3) of IC2602?
Is the "H" signal inputted to Pin(7) of IC2602?
Replace IC2602.
Replace IC2000.
P-ON+1.8V is not outputted.
Check D1011, D1013, D1014, C1019, C1025 and their
periphery circuit, and service it if defective.
FLOW CHART NO.12
Is 5V voltage supplied to the collector of Q1011?
Yes
No
Replace Q1011.
Check IC1012, R1046, R1048, and their periphery
circuit, and service it if defective.
Yes
No
Check D1011, D1013, D1014, C1019, C1025, and
their periphery circuit, and service it if defective.
EV+3.9V is not outputted.
Is 4.5V voltage supplied to the base of Q1011?
Yes
Yes
Yes
Yes
No
No
No
No
FLOW CHART NO.14
The fluorescent display tube does not light up.
Is 5V voltage supplied to Pin(13, 43) of IC5001?
Is approximately -24V to -28V voltage supplied to
Pin(30) of IC5001?
Is there approximately 500kHz oscillation to
Pin(5) of IC5001?
Are the filament voltage applied between Pin(1, 2)
and Pin(31, 32) of the fluorescent display tube?
Also negative voltage applied between these pins
and GND?
Check the fluorescent display tube (FL5001),
and service it if defective.
Check the P-ON+5V line and service it if defective.
Check the -FL line and service it if defective.
Check R5007, IC5001 and their periphery, and
service it if defective.
Check the power circuit, D1010, D1017, C1016,
C1038 and their periphery, and service it
if defective.