Samsung WS28V53NS8XXEC - Manual (Page 18)

■ Background : It is occurred to service confusion
■ Cause : CRT Socket PCB change as CRT changing from Double Focus to Single Focus
■ How to service
Code : It is different to CRT Socket Code per focus type
Case :
1. Using CRT Socket PCB for Single Focus at CRT for Double Focus
(1) Change the CRT Socket in PCB(Single
→ Double).
(2) Cut the red-colored focus wire of FBT in set.
(3) Connect the wires at Focus terminal like picture #1 for short circuit using red-colored focos
wire of FTB.
2. Using CRT Socket PCB for Double Focus at CRT for Single Focus
(1) Change the CRT Socket in PCB(Double
→ Single).
(2) Cut the red-colored focus wire of FBT in set like picture #2.
❈ You mus tape the isolation parts for safety.
Alignment and Adjustments
Samsung Electronics 4-5
KS3A 29” Flat 50Hz, CRT Change(Double Focus
→ → Single Focu) Note 2.
CRT Socket
For Double Focus
For Single Focus
Code No
3704-001032
3704-000114