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I have a Proview RX 276 tv when initially turned on it works fine, if you turn it off then back on the green indicator light comes on but no picture any ideas, if I turn it off from the switch in the back, wait a minute turn it back on it works, any ideas

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6ya6ya
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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: proview rx 326 model 3200 tv sound but no picture

If the sound is working, I doubt the power supply is at fault. You can check with a simple voltmeter - red is positive, black negative - there should be 24VDC. There is an on-board regulator to drop the voltage for the CPU, etc, . THere is a green LED on the main board, so even if you don't have a Voltmeter, there is a visual indication that the power supply is somewhat functional.

I found a poor connection from the 24V power supply over to the inverter boards. I re-crimped the IDC connectors to the 24V supply and all was happy-town.

Posted on Jun 05, 2008

  • 2 Answers

SOURCE: proview rx 326 model 3200 tv sound but no picture

I just fixed my proview 3200 that doesn't have picture but with sound.
First, thanks for the tips I got from this forum. I checked the 24v from the power supply board and that's perfectly working fine. I then check the fuses in the Inverter board. There are 4 white fuses (2amp I guess, i cant remember) and 1 black fuse (1amp/76v just behind the wire connector going to the power supply board). The black fuse is the one that blown out on my tv. This fuse supplies power to the LM358A IC. I know its not right but I just solder a thin piece of wire to short circuit this fuse. I'm lazy to drive to RadioShack to find this fuse. :)
....and that worked beautifully. Check the picture attached for what I did.
66c42e5.jpg

Posted on Jun 22, 2009

jhinsincity
  • 616 Answers

SOURCE: JVC AV-32F476 on timer green no picture no sound

Power supply failure, expect to pay $100-150. worth the investment JVC made some good tvs Julio milleniumtvsvc@gmail.com

Posted on Jul 22, 2009

John-INSG
  • 312 Answers

SOURCE: Insignia TV model NS-LCD19. TV shuts off

Unfortunately your TV will need to be serviced. You may take the unit back to the retailer of purchase to arrange for repairs.

Posted on Sep 25, 2009

tvservice306
  • 458 Answers

SOURCE: Toshiba 42HP66 No Picture, Only Power Works

try replaced z board Manufacturer Toshiba Part Number 75003032 Description ZSUS PCB ASSY

Posted on Oct 02, 2009

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I just fixed my proview 3200 that doesn't have picture but with sound.
First, thanks for the tips I got from this forum. I checked the 24v from the power supply board and that's perfectly working fine. I then check the fuses in the Inverter board. There are 4 white fuses (2amp I guess, i cant remember) and 1 black fuse (1amp/76v just behind the wire connector going to the power supply board). The black fuse is the one that blown out on my tv. This fuse supplies power to the LM358A IC. I know its not right but I just solder a thin piece of wire to short circuit this fuse. I'm lazy to drive to RadioShack to find this fuse. :)
....and that worked beautifully. Check the picture attached for what I did.
66c42e5.jpg

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