Samsung SP43J5HF3C/XTT Service Manual page 76

5-3 No Raster (Sound OK)
Normal
Check High Voltage
Normal
Check CN501
pins 1,3,5
Normal
Check CN501
(Connector)
Abnormal
Check H007
input pins 3,4
Abnormal
Check IC701 input
pin 8
Abnormal
Check IC103
output pin 12
Abnormal
Check IC103
Samsung Electronics
Check Heater
Normal
Check IC501, 531,561
Abnormal
Check CN501
(Connector)
Normal
Check H007
Normal
Check IC701
Normal
Check Q105
Abnormal
Check CRT PCB pin 1
Normal
Check H401 CN402
HV-REG
Abnormal
Check H401,
IC471
Abnormal
Check H401
Troubleshooting
Abnormal
Check H401 R437
Normal
Check CN402 input
pin 12 (HV-DRIVER)
Normal
Check H401
(OUT BLOCK)
5-3