7-18E
Pin 16, 20 in CN2
has nomal level
(jack PCB)
Change main PCB
Check the connection between pin 16
and 20 in CN2 and L2 S- videojack
No
No
No
Pin14 and 18 in IC100 of
sonata main PCB has
nomal level?
Pin 45 and pin54~62
in IC1001 of digital main PCB has clock
and digital video signal
nomal level?
Check the connection between pin14 and
18 in IC1001 of sonata main PCB
Check IC1001 peripheral circuit
Yes
Yes
Yes
Line2 S-Video Video Input Error
Pin 6 in IC801
has nomal level?
(jack PCB)
Pin 21 in IC801
has nomal level?
Change main PCB
Check the connection between
pin 6 in IC801 and L2 pin-jack
No
No
Check pin 62, 55 in IC801 of input power
No
No
Pin12 in IC1001 of digital main
PCB has nomal level?
Pin 45 and pin54~62 in
IC1001 of main PCB has clock and
digital video signal nomal
level?
Check the connection between pin80
in IC1001 of digital main PCB
Check IC1001 peripheral circuit
Yes
Yes
Yes
Yes
Line2 CVBS Video Input Error
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299