FUNAI WD6D-M100, Service Manual

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1-11-5 E9TFCTR
Yes
Yes
Yes
Yes
No
No
No
No
The fluorescent display tube does not light up.
Is 5V voltage supplied to Pin(13,43) of IC612?
Is approximately -24V to -28V voltage supplied to
Pin(30) of IC612?
Is there approximately 500kHz oscillation to
Pin(5) of IC612?
Are the filament voltage applied between Pin(1)
and Pin(24) of the fluorescent display tube?
Also are negative voltage applied between these pins
and GND?
Replace fluorescent display tube.
Check the ECO+5V line and service it if defective.
Check the -FL line and service it if defective.
Check R618, IC612 and their periphery, and service it
if defective.
Check the power circuit, D1103, D1108, R1106, C1110
and their periphery, and service it if defective.
FLOW CHART NO.21
Replace IC1103.
FLOW CHART NO.19
P-ON+1.8V is not outputted.
Is 3V voltage supplied to Pin(1) of IC1103?
No
Yes
Yes
Check D1033 and their periphery, and service it if
defective.
No
Check IC3607(IC3608) and their periphery, and
service it if defective.
No
Is 5V voltage supplied to Pin(4) of CN6001?
When IC3607 is used:
Is 5V voltage outputted to Pin(8) of IC3607?
When IC3608 is used:
Is 5V voltage outputted to Pin(5) of IC3608?
FLOW CHART NO.20
USB+5V is not outputted.
Is resistance value of both end to F6001 infinity? Replace F6001.
Yes
No
Yes
Check CN3604 and their periphery, and service it if
defective.
Check CN6002 and their periphery, and service it if
defective.
Yes
Check Q1119 and their periphery, and service it if
defective.
Is 0V voltage outputted to Pin(1) of CN3605?
No
Yes
No
When IC3607 is used:
Is 3.3V voltage supplied to Pin(4) of IC3607?
When IC3608 is used:
Is 3.3V voltage supplied to Pin(3) of IC3608?
Yes Replace DVD MECHANISM & DVD MAIN
CBA ASSEMBLY.
Is the "H" pulse (approximately 1.3V) inputted to
Pin(4) of IC1103?
Check Q1109, REG-CONT line, and service it if
defective.
No