Samsung 932BF - No Video (ANALOG)

4 Troubleshooting
4-2
X1 oscillate proprely?
4-2 No Video (ANALOG)
1
Replace or check related circuit.
Check signal cable connection and
power.
Yes
No
Is there R,G,B input at
R111,R114 and R118?
Check input part.
Yes
No
Is there Hsync, Vsync waveform
at Pin 32,33 of IC200?
Check IC200 and related circuit.
No
2
3
Yes
Does the output signal appear
at Pin 17~20, 22~27 of CN400?
Check CN400 and related circuit.
No
Yes
There are DC 5V at Pin 1,
2 and 3 of CN400?
Check PANEL_EN SIGNAL at R223
is High(On:High) and BL_EN signal
at R601(ON:Low) is Low
No
Yes
Replace LCD Panel.