Samsung HC-R4241W Service Manual page 33

Troubleshooting
3-2 Repairing Distorted Convergence
Check the output voltages and
waveforms of CN801 and CN802
on the SUB Board
Normal Abnormal
Abnormal
Check the output terminal of
CNZ02 (BV,BH,RV,RH,GV,GH)
Normal
Validate the H-BLK and V-BLK
outputs of the MAIN Board
Check the respective circuits
regarding the symptoms
Replace the Convergence Module
3-4 Samsung Electronics