ELECTRONICS TRICKS AND TIPS: LG CTV half screen retrace

Friday, November 25, 2016

LG CTV half screen retrace

Lg ctv model 14CS4AB -AJ
Fault - Half screen retrace

Solutions - 180V path filter capacitor 4.7 uF 250v is defect

Other solutions - 1.check boost 180v

2. contrast zero

3. crt base

4 . picture tube

5. IK path 8.2v zener

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