Samsung DVD-R120/AXAX Instrucciones De Servicio página 43

Troubleshooting
Tuner Video Input Error
Tuner input line signal is OK?
Sync. detect signal is OK?
5-8
(jack PCB)
Yes
Supplied power for
tuner is OK?
Yes
( W040 2Vp-p)
Yes
A
No
Tuner line connect TV directly
No
Pin 3 : 5V pin 14 : 33V check its line
(jack PCB)
No
Check TIC2 or its around elements
(jack PCB)
Samsung Electronics