Question about Magnavox SDT Tuner

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Magnavox sdtv tuner stopped working. Powers on, light slowly blinks green like normal, then blinks faster, and goes back to standby.

It worked fine for a few years. We just had a bad storm. The power went out several times overnight - a few seconds at a time. In the morning, it didn't work anymore. Tried turning it on, but it would just blink and go back to standby. Tried powering off for an hour or two, unplugging/re-plugging - standard trouble shooting - still doesn't work.

Posted by Anonymous on

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 3 month old magnavox mdr515h/f7 is dead. It may be

My unit was dead also.....So I checked outlet first...It was good....Then I tried the 10 minute disconnect and reconnected unit......Saw Unit had power on LCD screen....Hit ON button on remote after changing to HDD and unit works perfectly again....That fix saved me 75 bucks for repair center to do same thing...Glad Funai makes units that shut off before damage occurs...Unit just needed to cool down hard drive or circuitry before it sensed it was ok again....When plugged in it is still technically powered even tho you dont see it on the LCD screen of the unit...

Posted on Nov 04, 2011

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wendyschaffe
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SOURCE: MAGNAVOX 37MD359B /F7 TV turns

magnavox 37mf23id/33id/32id lcd no power

Posted on Jan 02, 2012

atang1
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SOURCE: Magnavox ZV427MG9 DVD Recorder VCR Combo plays vcr for about 5 second then stops and shut off, when turned back on it ejects the tape.

This combo has a problem with the vcr unit which take up wheel will stop working and spill the tape. the unit will stop and eject the tape. You have to replace the whole vcr assembly.

Posted on Feb 21, 2012

SD Tech
  • 14553 Answers

SOURCE: magnavox 42mf439b no picture power light blinking.

I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have tobuy and try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.4_10_2012_9_15_06_pm.jpg

look inside at power board to see if puffed up (bad) caps like these.

Posted on Apr 10, 2012

Terry Corrow
  • 10875 Answers

SOURCE: How do I program my TV Tech Monster Remote to my Magnavox SDTV tuner?

0186, 0171, 0030, 0024 Or try universal code 0000

Posted on Apr 19, 2015

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