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Thursday, 24 November 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