5 Troubleshooting
CONFIDENTIAL
5-2 No Video
Check signal cable connection and power.
No
Does the X201 and X202 oscillate properly?Replace that or
12check related circuit.
Yes
No
There R, G, B input are at R103, R104 and R105?Check input part.
Yes
There sync. and data output areNo
Please check the power related
R212, R213, R214, R215, and RA201 ~ RA212?
IC201 and output part.
3456
Yes
There proper signal input areNo
Check IC301, IC302 and
Pin 27, 28, 30, and 31 of IC301, IC302?related circuit.
5 3 46
Yes
Check the LVDS_EN at
No
Does the output signal appear at R304~R323?R303 is high or not.
Normal state is high.
Yes
NoCheck the Power
There are DC 5V at Pin 1, 2 and 3 of CN301?
and related circuit.
Yes
NoPlease check the Inverter
There are DC 12V, DC5V and DC 5V at
Pin 10, 11, 12 ; Pin 7 and Pin 4 of CN104?and related circuit.
GH17A*/GH17L***J5-3 |