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Sony Wega Ke - mv42a1 plasma tv 42" just seemed to switch itself off and now will not start again. It seems to have no power to it as no light comes on or anything when you press the on button.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Sony WEGA KE-42M1 sound but no picture.

i have the same problem! did you ever solve the issuE??

Posted on Mar 30, 2010

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SOURCE: sony 42 inch plasma tv standby light just flashes tv

You might have a bad B board. What's worse is that the power switch is connected to the Q board which works in conjunction with the B board. Replace B board, You can send your B board for repair to a company called modus link pts. They are the largest part supplier of after market parts and repair.

Posted on Apr 07, 2010

SOURCE: I have a Samsung 42 " Plasma Model no: PS42Q96HD.

Hi, this could be a problem with the power supply in the tv, it is common especially on some Samsungs and specific repair kits are available quite cheaply if you have good soldering skills.

Usually this is caused by capacitors that have dried up and split, you can normally tell as the capacitors are bulging on the pcb, you can get them in a kit as I said eBay sometimes do them or you can buy them indivually from a good electronics components supplier, make sure you get the correct values for each!! marked on the side of the capacitors in xx/x V, xxx/x uF and 105oC. (the x's represent numbers)

The picture below shows the type of theing that happens, the brown ones are bulging/split on the top whereas the black one is fine.

midgefive_0.jpg

High Voltages can exist in these sets, never attempt anything while plugged in and
if in doubt do not attempt it yourself and seek the advice of a qualified TV Technician.

Posted on Feb 10, 2011

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1 Answer

Why Sony WEGA 42 in. Plasma will not power up?


Fault with the main power supply regulator board.
Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis.

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Seems some thing wrong with power input plug or may be with power board in side the tv. first confirm with different power socket.

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I need a replacementnbase stand for a sony wega 42" plasma tv


Contact Sony with the model number to see if available or not, other than that Google the model number with base to see what comes up, last resort might be to look on EBAY.

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1 Answer

Sony wega KE-42M1 .power lead ok . no power at tv. (no standby or power light showing at on switch). house power went off , when it came on tv wouldn't work


This confirms that the main power supply which is the SMPS is faulty.
The fuse could have failed and must be checked, if the fuse fails the SMPS is confirmed to be faulty due to the power outage.
please check the links below for tips and support:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

http://en.wikipedia.org/wiki/Switched-mode_power_supply

Sep 21, 2011 | Sony WEGA KE-42M1 42 in. HD-Ready Plasma...

1 Answer

Sony 42 inch plasma tv standby light just flashes tv


You might have a bad B board. What's worse is that the power switch is connected to the Q board which works in conjunction with the B board. Replace B board, You can send your B board for repair to a company called modus link pts. They are the largest part supplier of after market parts and repair.

Feb 24, 2010 | Sony WEGA KE-42TS2 42 in. HD-Ready Plasma...

2 Answers

Sony WEGA KE-42M1 sound but no picture.


i have the same problem! did you ever solve the issuE??

Oct 16, 2009 | Sony WEGA KE-42M1 42 in. HD-Ready Plasma...

1 Answer

Tv comes on and goes right back off


IT GAVE OUT A LOUD BANG AND NOW I HAVE NO PICTURE OR... Mosfet Transistor blow out.  Transistor K3316 or replace the Power unit supply. This problem was caused by a low power voltage. SONY SONY KE-42TS2U

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1 Answer

Sony KE37XS910


MODEL: KE37XS910, KE42XS910
SUBJECT: 9 Blinks of StandBy LED
CAUSE: Change the Switching Regulator part number 1-468-794-12.

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61 Inch Sony Plasma KE-MR61 needs to be repaired


Ke series makes that an early plasma TV

that old will probably be throw away or requires the replacement of the whole printed circuit of the TV
or power source

if chinese built that circuity may no longer be available

any local mobile TV repairer can check that TV out for you

check out the internet for sony corporation south africa
for parts availability




index-dhp3uihm5uzxbllybjiy1hmw-3-0.jpg

Mar 30, 2017 | Sony WEGA KDE-61XBR950 61 in. Plasma HDTV

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