How To Check The Return Unit - Philips DVP3680 Service Manual

How to check the return Unit

1, No Video output
No Video output
Connect the AV OK
Insert the AC Power line into
the connectors
Press the standby button to
power on the set
The display on the set
The "Philips" logo should be
on the screen and the witch
will display
NG
Replace flash U11
The DSP Fail
OK
OK
NG
2-2
NG
NG
Insert the AC power
line over again
NG
TEST 1.2V and 3.3V
Power
Replace Q5,Q6
NG
PSU Fail
Replace
Mainboard PCBA
The "Philips" logo should
be on the screen and the
witch will display
OK
The LED
module Fail
Replace
frontboard
PCBA
NG