Samsung PT5492X Service Manual page 37

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 ICV01 input
pin 48
Abnormal
Check H009
input pin 1
Abnormal
Check ICV01
input pin 50
Abnormal
Check H004
Samsung Electronics
Check Heater
Normal
Check IC501, 531,561
Abnormal
Check CN501
(Connector)
Normal
Check H007
Normal
Check ICV01
Normal
Check H009
Normal
Check ICV01
Abnormal
Check CRT PCB pin 1
Normal
Check H401 CN402
HV-REG
Abnormal
Check H401,
IC471
Abnormal
Check H401
Troubleshooting
Abnormal
Check H401 R437A
Normal
Check CN402 input
pin 12 (HV-DRIVER)
Normal
Check H401
(OUT BLOCK)
5-3