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Sony tv tv blows convergence fuse ps8001, replaced stk392-560s blows fuse.

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The STK's are probably blown again. You need to pay close attention to the resistors around the STK's. If you have ANY bad ones you have most likely reblown those chips. Let me know if this helps.

Posted on Oct 16, 2008


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2 Answers

I change the convergence IC and still defective

Check PS8001 to PS8006 Pico fuses all 3.15amp on the D board,
also check PS5001 and PS5002 on the G board 5 amp Pico fuse

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I have a Sony KP-51WS510 and the convergence is

Dear Doctor,
Check pico fuses PS8001 to PS8006 on D board where you replaced both STKs.
Make sure +22 volt and -22 volts are being supplied from power supply (G board) to D board.

Mar 25, 2009 | Sony KP-51HW40 51" Rear Projection...

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Massive Convergence problems even after replacing IC's.

See a pico fuse HERE and find PS8001 to PS8006 on D board of TV

Mar 18, 2009 | Sony KP-65WS500 65" Rear Projection...

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TV has panaramic view/ 3D view.

Symptoms shows its problem of failure of convergence out ICs on D board.

Find IC8001 and IC8002 on D board and replace them as per following part number...

8-749-019-08 STK392-560

You also need to check following pico fuse PS8001 to PS8006 (6 fuses) as few can be blown off and requires replacement.

You should do above said repair if you have knowledge of electronics, have experience of big TV repair, have necessary tools and know that electric shock risk is involve in TV repair.

Let me know if you need further help.

Good luck.

Dec 21, 2008 | Sony KP-61HS30 TV

1 Answer

Sony KP 51WS510 convergence problem

Please check pico fuses in D board and confirm +22 & -22 volt supply to convergence ICs.
Fuse numbers are as follows...

PS8001, PS8002, PS8003, PS8004, PS8005, PS8006

Dec 21, 2008 | Sony KP-51WS510 51" Rear Projection...

2 Answers

Sony KP-65WS510 Convergence Problem

I tested all six pico fuses (3.5 A) and all tested fine on the continuity test. Is there something else I could check?

Dec 05, 2008 | Sony Grand WEGA KDP-65WS550 65" Rear...

1 Answer

Kp-51ws510 sony tv.?

Let me know circuit code of blown fuses on G Board. It would be like... PS8001, PS8003 etc.
This info will help me to sort out problem in your TV's G Board.

Nov 05, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony projection tv convergence issue

You will need two STK392-560 Convergence ICs and you will also need two of the 3.5 amp pico fuses as Sonys will always blow at least two of the Pico fuses. You can get replacement ICs and Pico fuses at the fiollowing link and they provide free instalation instructions. Heres the link.

Aug 10, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Your sony KP-51WS500

Re-solder any bad solder joints on the D board (this board has the convergence IC's on it.) Replace the IC's with either STK392-560, or a better part which is STK392-570 (this part has been said to hold up better over the years).

Use only original SANYO convergence IC's and not the knockoffs made in China. The latter chips will ensure that you will be back inside the set within a month or two! So do yourself a favor, if you see these IC's on the Internet, and they are very cheap...beware. Usually these IC's cost $16 to $20 a piece, NOT less, like the knockoff IC's. There are several fuses around the convergence IC's (board labels PS8001-8006) and one near a transformer labeled PS8007. All of the convergence circuit fuses are 3.1 amps, 125 volts, and are made by Littelfuse (the 316 series) These are hard to find though, but are required for continued protection, i.e. DO NOT replace with a different value.

These fuses look like little resistors, except they are yellow in color, and have "3150" stamped on them. Test these with a DMM (digital multimeter) set to continuity check. If you find any of these fuses bad, please replace ALL 7 of them. Many factors can stress the fuses over the years, although uncommon, they have been known to open themselves for no apparent reason, UNLESS they have been blown by a bad convergence IC. Also, check any resistors around the convergence IC's for any failed ones. Replace them. You may want to obtain a service manual for this TV, as well.

Jul 13, 2008 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Pioneer sd-643hd5
Sony Convergence

Nov 03, 2007 | Pioneer SD-643HD5 64" Rear Projection...

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