how to repair standby problem of crt tv.
This tv has standby light is glow but not turn on.Es fault ko keise check karenge
Power light jol raha hei to standby 5v araha he.
1) power supply ka sabhi volt chek karenge thik he to
2) tv ko power on dobane ke bad power on volt check karna hoga 5v,8v.
Agar switching volt ane ke bad bhi chalu nehi horaha hei to.
3) horizontal output transistor me 110v check karna hoga.agor volt nehi hei to supply register kharab hoga.
Kuch section ka volt.
Eht supply =110v
H Dt supply =24v
Tuner pin (mb) =5v
Tuner me 5v milraha he to power on hogeya he es board me asani se potakor payenge .
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ow to repair standby problem of crt tv. |
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