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Wharfdale JV 427 AW and P24B - Service Manual or Schematic

JV 427 AW and P24B are on the rear. The power supply board is marked as Samsung L4V7 P/N PSPF401801A - Even a schematic of this would help

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  • Expert
  • 127 Answers

TRy to ask the dealer or the Manufacturer.

Posted on Nov 04, 2012

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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snakehead
  • 1074 Answers

SOURCE: Service manual/schematic

you can get schematic and service manual at www.samsphotofact.com

Posted on Apr 08, 2007

TVtechmaniac
  • 140 Answers

SOURCE: Akai PDP42Z5TA

Back of an Akai PDP42Z5TA showing where the Power board is.
6248aad.jpg

Posted on Dec 16, 2008

  • 267 Answers

SOURCE: No power to viewsonic N3252W lcd

TRY THIS SITE OR GOOGLE YOUR MODEL #
http://www.free-service-manuals.com/

Posted on Apr 10, 2009

gessneruk
  • 22 Answers

SOURCE: 37"scott lcd tv power supply

We repaired ours for about $5. We have a page with pictures showing the compnents replaced.

Hope it helps!

http://www.findonefindall.com/toyota-sienna/LCT37SHA_Scott_Akai_LG_LCD_tv.htm

Posted on Sep 02, 2009

SOURCE: Need Diode part numbers for Philips Y-Main board

Not serviceable at component level, yeah right! They wish it isn't - it's a well known fact that electronics manufacturer's spare parts divisions generate more profit (with less revenue) than the retail units.

Long story short, we've serviced tens if not hundreds of those boards and we certainly aren't one of the biggest "unauthorized" service centers around.

I.e. we do not have a Samsung license and frankly, we don't need one.

LJ41-02759A is anything, but a black box and its weaknesses are well known within the service tech's community.

For D5001 you can use any 1A fast or ultra-fast rectifier diode with at least 200V reverse voltage. We use this:
http://www.fairchildsemi.com/ds/ES%2FES1F.pdf

If you need help, check out blog or contact us for service information.

www.coppelltvrepair.com

Posted on Apr 30, 2010

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1 Answer

What type of fuse does a Toshiba 32AV502R LCD TV use?


It is Sunday and I am not at the shop to look it up, but I am yet to see a power supply board where fuses are not marked on the board itself.

Meaning that the answer to your question is on your own board.

Also, I have very rarely seen a fuse go bad on those power boards.

It is not impossible, of course, especially if you short it out manually, but unless you did chances are the issue is something else.

Also see

http://www.coppelltvrepair.com/p/427/repair-service-for-toshiba-32av502r-intermittent-shutdown-random-shutoff-not-powering

Hope this helps!

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WS 55511 MITSUBISHI HAD POWER OUTAGE , FIXYA TOLD ME TO UNHOOK FRONT PANELTV WORKED GREAT . ANOTHER POWER OUTAGE FIXYA PRO DAID REPLACE 7CAPS &PICOS WHICH IHAVE TWICE. IM A PRETTY GOOD...


Hi William,

If your problem is a continuous green blinking led light and will not turn on, this is an indication that the DM of your unit try but hasn't booted up and stuck to this fault.
If you have checked fine the fuses on the DM power supply board, you have to check/replaced also the electrolytic capacitors on that board.

11_1_2011_12_36_04_am.jpg

www.tvrepairkits.com has a repair kit for your unit (DM power supply board) that includes these parts.

If you've already replaced the capacitors on that board but still the symptoms still persist, I would advice you to check/replaced the capacitors on the power supply board feeding the DM power supply board. Check also the pico fuses and bad solder joints (cracked, cold, dried solder). Resolder the joints that look suspicious.
Yes, your model has no complete schematic diagram downloadable online. I have a copy of the repair manual that includes the schematic but not a complete one. The power supply's schematic shows only the major parts and the output voltages of the board. Same as on the DM's power supply.
Email me at jimvincentvillanueva@yahoo.com, I will send you the copy of the repair manual.
Jdvillanueva

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2 Answers

Looking for free service manual or directions on how to replace power supply board for Akai PDP4294. Is it an easy install or does it really need professional installation. Also, where to get the part? ...


Hi kgee
Although this is not the exact service manual for your tv, it does have the same power supply.
http://www.wimtv.be/techniforum/files/ps42p3sx_ch._d58a.pdf
As a matter of fact your akai is a samsung tv.
the replacement of that board is easy since it is all plug-ins and you can find that power supply in quite a few places,
Just google that part number.
Hope this help and good luck

Mar 18, 2010 | Akai PDP4294 42 in. EDTV-Ready Plasma...

1 Answer

LG TV (LCD) power supply schematics


Service manual from SAMs does not include a schematic of the power supply board

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No backlight. I'm looking for a schematic for the acer al1916w with power/inverter board dac-19m0005 rev: 01a bf.


<p>How about the whole <A href = "http://www.go-gddq.com/upload/2009_06/09060313346662.pdf">Service Manual</a> ?</p?

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How to fix short circuit on Samsung X20 laptop?


sounds a lot like the power controller chip is shot. you will need a schematic and correct replacement parts..www.samsung.com might have a service manual for that.

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2 Answers

Spn4235 42" Samsung Plasma 6 years old


you can get the power supply and/or the service manual (with schematics included) here.
http://www.samsungparts.com/search/search.asp

May 24, 2008 | Samsung SPN4235 42 in. Plasma HDTV

2 Answers

Correct Service Manual


To my knowledge there are not two versions of the SMPS for that model, but that manual might cover more than one series of that Tv... The part number for the SMPS is
E7802-004001 but if you suspect the supply of having a problem might I suggest repairing it rather than replacement..
There are about 19 caps on that board that have a delinquent history of failing. Replace those and you'll repair the supply in about 99% of the cases..
Bill

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Blury


Your problem could be a bad focus pack, a bad convergence board or a problem in the power supply board. If you know how to read a schematic diagram, I suggest that, that is the first thing you should invest in. If you do not understand how to service solid state circuit boards, read a schematic, or use a multimeter, my best advice to you would be to call in a servicer for Samsung, as there is a lot of high voltage inside these puppies even when you unplug them. This is not a place to be experiementing around inside of. Good Luck with this repair.

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