#Chinatv#Vertical_line.How to repair china tv vertical line problem.
Cosmic Electronics
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#Chinatv#Vertical_line.How to repair china tv vertical line problem.
19 726 просмотров · 6 лет назад
Cosmic Electronics
52,2 тыс. подписчиков
19 726 просмотров · 6 лет назад
CHINA TV21"NORMAL PCB
MAIN IC 8873CSCNG 6PR6
VERTICAL ICLA78040
SOUND IC TDA2003
TRANSISTOR POWER SUPPLY
VERTICAL LINE
1.Open capacitor474/400V
2.Mesure capacitor by meter-----ok.
3.Maybe coil defective(connected with capacitor 474/400V
4.Check the coil continuity-------Internallyopen/Coil defective.
5.Set old capacitir.
6.Coil short by a wire because it is not available in market.
7.Power on/Then------