5 Troubleshooting
5-2 No Video
Check signal cable connection and power.
No
Does the X101 and X201 oscillate properly?Replace that or
12check related circuit.
Yes
No
There R, G, B input are at R103, R107 and R108?Check input part.
Yes
There sync. and data output areNo
Please check the power related
R260, R261, R211, R213, and RA201 ~ RA212?
IC202 and output part.
3456
Yes
There proper signal input areNo
Check IC102 and related circuit.
Pin 66, 65, 64, and 11 of IC102?
5 3 46
Yes
Does the output signal appear at Check the LVDS_EN atNo
R121 ~ R130 R132, R135, R136, and R138 ~ R144?R118 is high or not.
7Normal state is high.
Yes
NoCheck the Power
There are DC 5V at Pin 1, 2 and 3 of CN102?
and related circuit.
Yes
NoPlease check the Inverter
There are DC 12V, DC5V and DC 3.3V at
Pin 10, 11, 12 ; Pin 7 and Pin 4 of CN104?and related circuit.
GH17LS/GH17ES5-3 |