Eiki LC-WNS3200, Service Manual

Page: 44 / 71

-44-
No image
Please check as follows:
Check LCD driver circuit.
Check S16V and the peripheral circuit.
Check IC1001
，
IC8001and the peripheral circuit.
Chek IC1001, IC3006 and the peripheral circuit.
Check if pin 3/6 of IC3006 has H/V Sync signal.
Check IC1001 and the peripheral circuit. if R1051/1052
has H/V Sync signal.
Checkif pin 8/11 of IC3006 has HV Sync signal.
Check IC1001 and the peripheral circuit. if R1097/1098
has H/V Sync signal.
Check PC/ AV signal circuit.
Check IC3006 and the peripheral circuit.
Check IC4003 <HDMI driver> , IC1001<Scaler> and the
peripheral circuit.
Check AV signal circuit and decoder circuit.
Check S-Videosignal circuit.
Check IC1001 and C1066.
Check composite signal.
Check component signal.
Check IC1001and C1065.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Input signal, no image
Both VGA IN 1 and 2 input,
no image
VGA IN 1 input, no image
Video input, no image
HDMI input, no image
VGA IN 2 input, no image
Troubleshooting