No Tv, External Input Video Signal - Philips DVDR3320V/01 Service Manual

VDR ELECTRICAL TROUBLESHOOTING GUIDE

4. No TV, External Input video signal

No : TV signal
YES
TU701 1-19
Check signal
And circuit
YES
IC802 - 28
YES
IC301 - 15
YES
IC301 – 29 check
YES
Q310 collector
Signal, power 12 V
YES
C909, Q905
Check circuit
YES
FL501
Check signal
No : AV1 signal
YES
NO
IC802 - 1
YES
IC802 – 31
Check output
YES
IC502-34 : HIGH
/RST_VDEC
YES
when reset IC502
– 28, 29 Check I
2
Clk, Data
YES
check IC502 - 40
(VI_CLK)
YES
IC502 -> IC101
Check VI_D0~VO_D9
signal
YES
<When playing DISC, no COMPONENT,
COMPOSIT/S-VIDEO signal> Check
No : AV2 signal
YES
NO
IC802 - 3
YES
NO
R4103, R4106
signal
Check R533,
NO
C R526 Signal and
3.3V level
NO
Check X501 clock
oscillated
Check IC502
NO
power and other
circuits
3-73
No : S-JACK
AV3
YES
IC501 – 1, 3, 8
NO
IC301 - 17 check in the
DVD Board
YES
IC301 – 21
NO
Replace X501 X-
TAL
signal
YES
YES
check
YES