Samsung CL-29Z30HS - Page 56

Troubleshooting
Samsung Electronics 6-5
6-3-2 NO Signal
1. When the Power Board is normal
NO SIGNAL
(Blue Screen)
RF, VIDEO Screen
CHECK
TUNER Voltage
CHECK
IC802 CHECK
KA78R05
MAIN Board
CHANGE
VIDEO BLOCK
CHECK
KA78R05
CHANGE
IC803 CHECK
KA78R09
KA78R09
CHANGE
TUNER CHANGE
TUNER SDA,SCL
CHECK
Signal Picture
CHECK
Repair END
RF
BLOCK CHECK
VIDEO : NO
RF : NO
VIDEO : NO
RF : OK
VIDEO : OK
RF : NO
OV
OV
5V
9V
NO
OK
NO