Advertisement
4. Troubleshooting
No video (Analog )
C heck the s ignal cables and the
connections .
Is X401 os cillating
1
correctly?
Y E S
2
Do the R GB input
appear at R 204, R 207,
R 209 ?
Y E S
D oes the Hs ync ,
V sync input appear at
pin 32,33 of IC 400,
res pectively?
Y E S
D o output s ignals
appear at pin 8 to 30 of
C N400?
Y E S
There are D C 5V at pin
1,2, and 3 of C N400?
Y E S
R eplace LC D panel
NO
R eplace or check related circuit.
NO
C heck Input part
3
NO
C heck IC 400 and related circuit.
NO
C heck C N400 and related circuit.
NO
C heck +5V_P anel and B L_E N s ignal.
Advertisement
