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White linr down middle of screen

I have a white line down the middle of my screen... sound but no pictures...my tv is a sanyo avm-20f5 2003...thanks

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  • rsutton8 May 19, 2009

    it looks like you can see a picture in the white/blue line...the tv would also turn off once and a while by itself....before the line appeared...thanks

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  • 9 Answers

Main fluorescent tube and drive may be damaged...average life is 2000 - 4000 hours for these screens....check if parts are available...what happend prior to it going dead?

may be 300$ in parts before labor to fix...so may be time to get a new one...
\price value ratio is hard to justify

Posted on May 19, 2009

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1 Answer

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I had a problem like that so I disabled the tv's onboard tuner (input source)and now we use the cablebox's video and audio out to the video and video in jacks on the TV this will work as long as you have a cable box or sat reciever for your video and audio source and of course your TV must have video and audio inputs so it will work.

Good luck Rich

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1 Answer

We have perfect sound but only a thin horizontal line in the middle of the screen.


this is a capacitor that has gone bad in the vertical delfection stage of the tv. it is an very easy and cheap fix if you know someone who knows how to solder and replace electronic components. If not then you'll just have to get another tv as taking it into a tv repair shop is not worth the cost. You could get another tv for what they will charge you to repair it,

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I was watching my tv (sanyo) with cable hooked to it. The cable all of a sudden went out. I tried hooking up the dvd player and the tv is no longer recognizing the cable box or dvd player. I don't know...


sound like a tuner problem. there is a resistor that goes to the tuner that could of went bad 39,000 ohms i think which should have a orange white orang strips around it and a gold. anyway there is a problem with tuner. Sanyo was good about haveing a problem with tuners in there smaller sets. If you do not know anything about how to repair you probly shoud take to a shop but the total cost might be high and not worth it in the long run. think before you jump still water runs deep.

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try to fine tune your tv using the remote control, or, if you had knowleged in electronics adjust the sound IF transformer using a wood stick or plastic don't use a metal in adjusting the IF

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1 Answer

Tv in video mode


sanyo model: AVM-21 MB

problem: during tv mode the reception will loss and back
in turn to blue color then back to channel frequency!
at video the picture is okay but ther is no audio!

can you please suggest me how to solve this problem
can you send this to my email add.
albertdlc_12yahoo.com thank you and more power!

Jul 21, 2008 | Sanyo AVM-3259S TV

1 Answer

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The vertical output IC has stopped working. The vertical output IC is the part that drives the coils in the yoke that spreads the picture up and down. This could be because it has cracked loose from the board (solder joints) or it simply burned out. Sometimes a bad pump-up cap will cause the vertical output IC to short out, and when the IC shorts out it often opens up a small value resistor next to the flyback. This is a relatively easy thing to repair. A qualified tech will be able to tell exactly why the vertical output has stopped working and repair it for you.

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1 Answer

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Hi I read your problem with the Sanyo PLV-55wm1. It sounds to me like a power supply problem. Like most new electronics devices, they use a switched mode power supply (SMPS)to supply the voltages to the rest of the set. Many of them use a current feedback loop to sense a short in the circuits that it powers. I would check for a shorted diode in the high voltage section of the tv. If any one of the components is shorted around the high voltage circuit, The current control line will be zero forcing the regulator to shut down.

Mar 25, 2007 | Sanyo AVM-1909S TV

1 Answer

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This set is very popular for the capacitors to dry upa and go bad in the main SMPS as well as the switching power supply. If you have no know how on how to test capacitors or solid state electronics please take the set into a repair shop for an estimate

Jul 28, 2006 | Sanyo AVM-3659S 36" TV

1 Answer

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your problem is common for sanyo and fisher tv's the B+ feed capacitor is defective and maybe the waveshaper in the cuircuit right next to the IC. Your probably gonna need a service manual to find these caps as if you get one from sams photo facts post the vertical here and I will show you the capacitors to change. Done it a hundred times but I dont remeber the #s. Old age I guess. Good Luck

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