Got a 96 Mitsubishi Rear Projection and I noticed over the past month or so it took it a little longer for the picture to pop up on the screen. Today when I was watching it the picture all of a sudden gone off but I could still hear the sound. I did what anybody else did and tapped it on the side and it popped back up and then went back off. So before I go and tear this thing apart can anybody give me some help as to what caused this and how can I fix it and is it gonna cost me an arm and a leg?
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Re: No Picture Sound OK
Sounds like maybe some bad solder connections in the deflection area, If I remember these monsters correctly they are hard to dissassemble with lots of wires, the culprit is probably a solder crack around the horizontal section or the power supply for the horizontal. Might require a technician for service, if you attempt yourself, use lots of masking tape to label your wires.
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Set starts, horizontal and vertical deflection work, HT ok, crt heaters ok, but no sound or picture
I turned the G2 voltage up and noticed a white screen with flyback
lines, frame ok. I detected two badly soldered double diode rectifiers
in the secondary part of the power supply ! I checked all other joints,
and everything was ok !! success
White horizontal line (no vertical deflection)
Check / replace R548, R549
Sound but no picture except for a couple of horizontal colour lines
Replaced the frame chip TDA8356, set now ok