Samsung DVD-P355B/XEU Service Manual page 38

Troubleshooting
CVBS Output Error
C
in ZIC1 has normal level?
input is normal at
pin 142in ZIC1?
Analog output
is normal at pin 159
Analog signals are
inputted normally
normal at VIC1-1, 28
Pin 3,13 in VIC1
is in high state?
Peak to peak
voltage level of VIC1-20
Video signal of
about 1V appears at
output jack?
Check the RCA cable.
5-12
Pin of VDDP
No
Yes
27MHz clock
No
Yes
No
in ZIC1?
Yes
No
VIC1-4
Yes
Power is
No
Yes
No
Yes
No
Yes
No
Yes
Check the connection between
pin1 in ZIC1 and pin4 in PIC1.
(CVBS Waveform)
Check ZY1.
Check the soldering of ZIC1.
Check the connection between
pin158 in ZIC1 and VIC1.
Check the connection between
VIC1-1 and VL6
Check the connection between
VL6 and pin 1in VIC1.
(VIC-MUTE Waveform)
Check the soldering of VIC1
Check the connection between
VIC1 and output jack.
Samsung Electronics