Samsung SyncMaster CSH7839L Service Manual page 35

7-1-15 Dynamic Focus Failure
CN202 Pin 14 output is right?
Yes
Some parts around Q554 are right?
Yes
IC251 Pin 25 output is right?
Yes
Some parts around Q551,
Q552 and Q553 are right?
No
Some parts around T551 are right?
Yes
Check the connection between FBT
Pin 8, CRT Socket PCB.
CSH7839L/CSH9839L
No
Check IC302 Pin 1.
No
Replace failed part.
No
Check and replace IC251.
No
Replace failed part.
No
Replace failed part.
7 Troubleshooting
7-9