Troubleshooting
Samsung Electronics
3-7
Normal
Abnormal
Check the Heater (Abnormal)
Replace R513, 543 and 573
Check CN504 Pin 4 of the CRT-PCB
Replace R513, 543 and 573
Check R447,R442A
Check Q473 HV REG
Replace HV-Module
Abnormal
Check Q472 Input Terminal Pins
(HV-DRIVER)
Check Q472
Abnormal
Abnormal
Check Q473
Q473
Q472