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Re: zenith rear projection 60 in a60m91w1
The power supply section is not working.
Common possibilities are:
- Convergences amps have failed overloading the supply
- High-voltage section (flyback transformer) has failed
(happens sooner or later, about 8 years typical))
- CRT tube has failed overloading the supply
- Power surge has popped the power input circuit.
(Fuse, rectifier diodes, turn-on relay etc)
- One of a hundred of electrolytic capacitors has failed
short overloading the supply. They dry
out with age, are cheap to replace, but hard to find which one it is.
- Or any of many other possibilities.
In short, you need a experianced tech to troubleshoot this.
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The whole service manual is here: http://www.manualslib.com/manual/790821/Zenith-R50w46.html
But this is something that you might want to reconsider. The availability of parts could be an issue. The smell could be the ballast or the bulb got really hot and went out. The repair process involves troubleshooting with special meters etc. You may be able to spot something that burned out though.
Ur tv the convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts are defective still have some life left,it will causes colors lines like RED,GREEN,BLUE misaligns,colors shadows,3D picture.When the 2 STK covergence ICS are totally dead it make this cricket noises and burning smell.The shop cost u $300-350 for parts and labors.
It could be that the picture tubes have gone down on emission, there is a prcedure that can be tried to bring up the overall brightness but it is just possible that you will loose some picture quality. If it's a 1994 projo tv i am thinking of the three crt system, a gray scale alignment would probably correct the dark condition in your picture, again depending on how far gone is the emission in your picture tubes, if your projo tv is the dlp system, the bad news is that you could be needing some light engine repair. The color adjustment is possible with the availability of a service manual or in the case of the dlp system, light engine repairs or replacement are available from some on line stores.
Can you remove the rear panel and check if the hissing is coming from the flyback? Which is a large transformer with a large red wire coming from the top of it? If so can post a link where you can get a replacement their not exspensive and their easy to replace. If its not coming from the flyback post a picture of where the hissing is coming from and I will identify the parts for you, But I feel its the flyback due to the hissing. respond to this same post so I have your correct model number when you reply.