Philips 32PFL3605/77 Service Manual page 22

EN 22 5. RAM1.0L LA
Set is in TV/Composite video mode, no image
LED is lighted
Is backlight on?
Is Display Normal?
Figure 5-13 Trouble shooting diagram - set is in TV/Composite video mode, no image
2010-Jul-02
Service Modes, Error Codes, and Fault Finding
Start
Yes
LED ON to OFF
Yes
Yes
END
1.
Is Power Core available?
2.
Is SSB J1-Pin 6, 7, 8-
No
3.
Is SSB J3-Pin 4-0~0.8V
4.
Is SSB J2-Pin9-0~0.8V
1.
Is SSB J3 Pin 4-2.5~3.3V
No
1.
Is SSB J1-PIN9, J2-Pin1, 2 Voltage
No
2.
Check if J1-Pin 2-2.5~3.3V(Hi Level) is available.
3.
Check if J2, Pin 5-2.5~3.3V(Hi Level) is available.
1.
Axial RF/AV Composite /S-Video cable are OK?
2.
Check whether J2 -Pin 6 PWM is normal.
No 3.
Is T1/P3 video input signal normal?
4.
Check whether U36 input/output of video signal is normal.
5.
Check whether J10,J11 video signal is normal
6.
Is Connection of J10 and J11 FFC Cable OK?
5V available?
(Low level) available?
(Low level) available?
(Hi level) available?
12V available?
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