Samsung DVD-SH853, Service Manual

Page: 34 / 120

Trouble Shooting
4-12 Samsung Electronics
S-Video output error
3pin and 5pin in CN3
of Jack PCB or CON2 of Main PCB
has normal level?
Check the DIC1 on Main PCB
No
Yes
Analog signals
are inputted normally IC216
(pin31, 33)
Check the S-Video cable
Check the connection between
pin31,33 in CN3 of Jack PCB and IC216
No
Yes
Power is normal (5V)
at IC216(pin30, 34)
Check the connection between
IC216 and PCN1 (pin30,34)
No
Yes
I2C signal in
IC216(pin16, 18) are swinged
between 0~5V
Check the connection between
IC216(pin16, 18) and FIC1(pin27, 28)
No
Yes
Video signals
of about P-P1V appears at
output jack?
Check the connection between
IC216 and output jack
No
Yes
Refer to wave pattern image of Fig. 4-9
Refer to wave pattern image of Fig. 4-8
Refer to wave pattern image of Fig. 4-8
Refer to wave pattern image of Fig. 4-9
Refer to wave pattern image of Fig. 4-10