7-19E
CVBS output error
27MHz clock
input is normal at
pin 159 in ZIC1?
Analog output
is normal at pin 133
in ZIC1?
Check the connection between
pin 6 in XIC1 and pin 129 in ZIC1.
Check the soldering of ZIC1.
Yes
No
No
Analog signals are
inputted normally pin 26 in
CN01? (VCR MAIN PCB)
Yes
No
Analog signals are
inputted pin 13 in IC801
Yes
No
Yes
Check the connection between
pin 133 in ZIC1 (DVD MAIN PCB)
and CN01 (VCR MAIN PCB).
Check L804, C828, C827.
No
Check the IC801.
Pin of VDD_2.5 &
VDD-3.3 in Zic1 has
normal level?
Check the connection between pin 23, 24, 25
in (VCR)CN01 and pin 23, 24, 25 in CN4.
Yes
No
Video signal
IC801-25?
Yes
Check the JK801/RCA cable.
E
(DVD/VCR Section)
Y/Pr/Pb output error
DVD SETUP in OSD
Alt video is "Component"?
VIC1-24, 21, 18 signal?
(MM1567)
Change the Alt Video mode to component.
JACK1 soldering Check.
Yes
Yes
Check ZIC1.
(ZIVA 4.1)
No
No
VIC1-2, 4, 6 signal?
Check VIC1.
Yes
Yes
E
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TEL 13942296513 QQ 376315150 892498299