Samsung TXM2796HFX/XAA Service Manual page 54

7. Troubleshooting
7-1 No Raster
Normal
Check
HC401 J6920
Normal
Vin(dc)T801S
Check
DZ801,DZ802,
DZ803,IC804
Samsung Electronics
Abnormal
Check ST5V
Q804 "E"
Check VIN(DC) Normal
TS801S PIN 13
Abnormal
Check ST5V
HC801"D809"
Check
FA803S
Abnormal
GND SHORT
Check Abnormal
Check
FP801S
CRT ASSY
Abnormal
Check
ST-BY
Normal
Abnormal
Check
Normal
MICOM
Check
FA801S
Normal
Check
B+(135V)
Normal
Check
F-BOX I C
Check
R529
Normal
Normal
Check ON/OFF
IC903 ; 3.3V
Check
MICOM
Abnormal
Check
F-BOX 5V, 9V
Check
F-BOX HD,VD
Abnormal
Check HIC401
Q402
REPLACE
F-BOX
Troubleshooting
Check9V:R829, IC803
5V:R827, FA802S
Check
H-BLK
V-BLK
7-1