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I NEED CPU BOARD 667-L32K5N-56 JOHN'S TV & APPLIANCE JOHNSTV.APPLIANCE@VERIZON.NET

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Check this link to find the board you need.

Posted on Apr 18, 2008

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Posted on Jan 02, 2017

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56 inch rear projector Samsung tv keeps switching on and off continuously help!!!


Know how to solders?Take the tv aparts.Check the power board for those Capacitors puff up or burst open.Replaced these capacitors,well get ur power back.Or buy a whole refurbish power board at Shopjimmy.com,Ebay.com for replscement.

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Red convergence will not line up on my jvc 56 inch i art projection tv model # AV-56WP74. PLEASE TELL ME WHERE CAN I BUY THE KIT SO I CAN FIX IT MYSELF!!!


You need to pull the front grill cover/panel off the front of the tv. Remove screws (4) from back that hold it on, also 2 small ones behind front video input door. Then remove access panel. The ckt board closest to you is the convergence amplifier board. You should replace both amplifiers (stk392-110 or 120) and any burnt/open resistors you find near the amps.(use the same value resistors as the corresponding resistors in the blue amp ckt)

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I will need to know your model number in orderto help you locate a PC board for it.

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Tv comes on then goes black power light blinks on and off modle # JVC AV-56WP74 56


Check the coils on the main board. Coils mean round ferrite donuts (1 inch or less) with copper wires on it. I have seen this come out.
if not check convergence amp ic's
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

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1 Answer

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You don't have to replace the board, just the amps. This set uses two stk392-110 Sanyo built amps. You will also need to test and possibly replace one or more of the 1.5 ohm feed resistors in that circuit.
If you're doing this at component level try Acme in Florida for amps and resistors: 1-800-575-9833 http://www.acme-sales.net/index.shtml and if you're doing this at modular level send it to PTS http://www.ptscorp.com/ 1-800-844-7871
Good luck!
Bill

Nov 27, 2007 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Convergence


why are you spending so much! you could get the board repaired for a fraction of that ptscorp.com
or do this yourself.
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Nov 10, 2007 | JVC AV-56WP30 56" Rear Projection...

2 Answers

56WP30 Convergence repair


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Jul 30, 2007 | JVC AV-56WP30 56" Rear Projection...

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