onida 21iq model in problam

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dear,

( 1 ) I have problam in onida 21iq model. problam is i see tv av mode 5 to 10 minits after missing audio . after tv set is Make RF mode And Restart tv set odio is Avable in AV Mode . 2Nd Problamis Vartical Hait is Over so Please give me Pree Servece Menu Code for onida 21iq model.

Thankyu,
From,
Hitesh PAtel
Samarkha
9228408732
E Mail. hitesh [email protected]