No Image - Eiki LC-XNS2600 Service Manual

Troubleshooting

No image

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