Zenith XBR413 - Page 52

3-63
No COMPOSIT / S-VIDEO signal when playing DISC
COMPOSIT : No Signal S-VIDEO : No Y Signal S-VIDEO : No C Signal
R606, C610 R602, C602 R601, C601
IC610 – 6
Check input
IC610 – 2
Check input
C651 C639
R456
IC2078 – 6
Check Signal
R457
IC610 – 4
Check input
C650
R458
IC4003-8 : HIGH
/RST_VIDEO
R279 ~ R281
Signal and 3.3V level
IC4003 14,15
Check I2C Clk, Data
Check R112 CLOCK
IC4003 17,18,19 20, 29, 36
Check signal input
Check IC4002 power
And Other circuits
IC4003 21~24 61~64 Check
VO_D0~VO_D7 signal
RR123~RR126
Check VO_D0 ~VO_D15
YES
YES
YES
YES
YES
YES
YES
YES YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO NO
NO NO
NO
NO
NO
NO
NO