Philips 32PFL3605/77 Service Manual page 21

5.5.4 Trouble shooting diagrams
Set is in PC mode, no image
LED is lighted
LED ON to OFF
Is backlight on?
Is Display Normal?
Service Modes, Error Codes, and Fault Finding
Start
No
Yes
No
Yes
No
Yes
No
END
Figure 5-12 Trouble shooting diagram - set is in PC mode, no image
RAM1.0L LA
1.
Is Power Core available?
2.
Is SSB J1-Pin 6, 7, 8 - 5V available?
3.
Is SSB J3-Pin 4 - 0~0.8V (Low level) available?
4.
Is SSB J2-Pin9 - 0~0.8V (Low level) available?
1.
Is SSB J3 Pin 4 - 2.5~3.3V (Hi level) available?
1.
Is SSB J1 PIN 9, J2-Pin1, 2 Voltage
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.
D-sub cable is OK?
2.
Check whether J2 -Pin 6 PWM is normal.
3.
Is P2 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?
5. EN 21
12V available?
18930_214_100310.eps
2010-Jul-02
100310