Samsung CL-29Z30HS - Page 60

Troubleshooting
Samsung Electronics 6-9
6-3-4 No Raster
1. When the Power Board is normal
NO RASTER
SCREEN Voltage
↑
SOUND
↑
Single Horizontal Line or
Sound : No
MAIN B+ CHECK
CRT ASS'Y
CHECK
MAX SCREEN or
SOUND : OK
IC802 78R05 : 8V
IC805 78R05 : 9V
IC907 78R12 : 14.5V
INPUT Voltage CHECK
OK
0V
HEATER
Voltage
CHECK
R514 CHECK
1.5Ω RF
IC907 78R12
12V OUTPUT
CHECK
6.3V
8V, 9V, 14.5V
IC802 78R05:VSP9405B
IC805 78R05:CXA2165Q
OUTPUT Voltage CHECK
5V
FD802S DC FUSE
FD805S DC FUSE
CHANGE
FBT OUTPUT Voltage
CHECK
F-BOX CXA2165Q
H/V Drive,EW,ABL
IC802 78R05 8V : NO
IC907 78R12 12V : NO
NO
-16.5V/16V : NO
Repair END
-16.5V , 16V, HEATER, 200V
R424, R425 CHECK
RF 0.47Ω
IC803 78R09
Output CHECK
CHANGE
NO
HEATER : R408
200V : L502
CHECK
HEATER/200V : NO
IC802 78R05
IC805 78R05
CHANGE
OK
CXA2165Q
CHANGE
NO