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TROUBLESHOOTING GUIDE
37~39
CPT PCB ASSY.
NO PIP
In case of PIP(AV) In case of PIP(RF)
Is there video signal at Is there CVBS signal at
No pin29 of IC201? pin24 of ICP3?
No
Check/Replace IC201. Yes
Check I2C Bus. Yes Check TUNER/IF
Is there video signal at parts of PIP.
No pin26 of ICP3?
Yes
Check P551A, PP2A.
Abnormal Check pins1, 2, 3
of ICP3.
Check/Replace Normal
ICP3, ICP2.
Check pins8, 9, 10, 14 Abnormal
of ICP6.
Normal Check/Replace
Abnormal ICP5, ICP6.
Check pins45~48
of IC501.
Check IC202, P552A. Normal
Check/Replace
IC501.