Samsung WS-32M204D, Руководство по обслуживанию

Страница: 78 / 127

Troubleshooting
Samsung Electronics 6-11
6-4-4 No Raster
1. when the H/V is normal
No-Raster
FBT Screen VR MAX
And Screen check
CRT ASSY
CHECK
Heater Line
Fusible Resistor
change
FBT 16.5V/-16.5V
Line Diode and
Fusible Resistor
check and Change
Raster Check
IC501 B+
CHECK
IC501 B+ Line Check and
Materials change
IC501 Output
Signal Check
IC501 TDA6111Q change
RGB Line Materials
Check and Change
Raster
Black or
Horizetal line in
middle of screen
NG
OK
NG
OK
Black
Raster
Black
FBT 16.5/-16.5V
CHECK
Go to the No-Video check
Flow Chart
NG
IC301 #4,#5
V-Sync Check
F-BOX Module
Change
NG
OK
hori
Vertical Block
Materials Check
F-BOX Module
Change
NG
Verticla IC
LA7845 Change
OK
OK
OSD Check
OK
NG
F-BOX Module
Change