Tv, External Input Video Signal - Zenith ZRY-316 Manual

VDR ELECTRICAL TROUBLESHOOTING GUIDE
5. NO TV, EXTERNAL INPUT VIDEO SIGNAL
No : TV signal
YES
TU701 1-17
Check signal And
circuit
YES
C331
YES
Check PN304[7]
YES
Check L305,C336
YES
Check IC303[80]
CLK, Power and
other circuits
YES
Check IC303 -> IC101 Vin[7-0] and system
CLK <When playing DISC, no COMPONENT,
COMPOSIT/S-VIDEO signal> Check
No : AV1 signal
3-70
No : AV2 signal
YES
Check PN302[8,9]
YES
No : S-JACK signal
YES
Check PN302[8,9]
YES
Check IC302[1,8]
YES
YES