Philips BDP7200/12 Service Manual page 21

FLOW CHART NO.11
P-ON+3.3V is not outputted.
Is 5V voltage supplied to Pin(1) of IC2600?
Replace IC2600.
FLOW CHART NO.12
The fluorescent display tube does not light up.
Is 3.3V voltage supplied to Pin(24) of FL3000?
Is 8V voltage supplied to Pin(1,2) of FL3000?
Is 5V voltage supplied to Pins(29,30) of FL3000?
Replace FL3000.
FLOW CHART NO.13
The key operation is not functioning.
Are the contact point and the installation state of the key
switches (SW3000-3005, SW3100) normal?
When pressing each switches (SW3000-3005, SW3100),
do the voltage of Pin(4) of IC2000 increase?
Replace IC2000.
FLOW CHART NO.14
No operation is possible from the remote control unit.(Operation is possible from the unit.)
Is 5V voltage supplied to Pin(2) of RS3000
(remote control receiver) ?
Is the "L" pulse sent out Pin(1) of RS3000 (remote
control receiver) when the remote control unit is activated?
Is the "H" pulse inputted to the Pin(27) of IC2000?
Replace IC2000.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check D1013, D1014, D1015, D1021, C1025
and their periphery circuit, and service it if defective.
No
Check P-ON+3.3V line and service it if defective.
No
Is 10V voltage supplied to the emitter of Q2014?
Yes
Is 9V voltage inputted
to the base of Q2014?
Yes
Replace Q2014.
No
Check F2 line and service it if defective.
No
Re-install the switches (SW3000-3005, SW3100)
correctly or replace the poor switch.
No
Check the switches (SW3000-3005, SW3100) and
their periphery, and service it if detective.
No
Check AL+3.3V line and service it if defective.
Replace the RS3000 (remote control receiver) or
No
remote control unit.
No
Check the line between the RS3000 (remote control
receiver) and the Pin(27) of IC2000, and service it if
detective.
1-9-3
No
Check D1010, C1016,
R1018 and their periphery,
and service it if defective.
No
Check Q2013 and FL-SW line
and service it if defective.
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