5-3 No Picture (TV, Video 1, Video 2)
Check Pin 16 (AGC), 12 (CVBS) of
IC703 (TDA9810)
Yes
Check Pin 15 (CVBS) of IC204
(STV6400D)
Yes
Check IC504 (VPC3230D)
Yes
Check IC301 (PW264) and
replace mainboard
SyncMaster 150MP
No
Check IC101 and replace the tuner.
No
Replace IC204.
No
Check related circuit of IC504 and
replace IC504.
5 Troubleshooting
5-3