Question about Sony KP-41T65 41" Rear Projection Television

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KP41S3U LED FLASHES 12 TIMES

I have a 1996 KP41S3U . When it comes on it led flashes 12 times. What fault does this show and on which PCB !. Somtimes only sound comes on to get picture I put it on standby then push a channel no , after another 12 flashes its fine.. (I have another KP41S3U that shows 2 led flashes Ithink its power suppy as its dead so I can pull pcbs from this for a swap). If you can suggest the correct board swap and the board is ok, ive read that the fault will still show until reset in service mode.How do I get service mode. Tried (5 vol+ pwr from stand by nothing). prg+ and prg- when held on the TV and power switch pushed after 12 flashes gives TT00. The only TT code that works is 13. This gives V2.00 50 HZ 07/06/1996. Can you help Many Thanks.

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I dont think Sony has a "12" blink code, the highest (being in a newer set) is a "10", might try rechecking that, as for the code 2 that is an OCP, usually a shorted horizontal output transistor/Convergence IC's/High Voltage distribution block. My bet is the Block as HV tends to break down parts like that over time You must be careful when removing the anode leads as you can break the tip off or burn something up if not done right.

Posted on Jul 06, 2007

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www.grayfurnaceman.com/-ifc-failure-codes.html
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http://electronicshelponline.blogspot.com/
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It was working fine until yesterday. It shut itself off. I powered it back on and befor the screen could come back on it shut itself off. I checked cables and uplugged it for 24 hours. The first time...


Hi Daniel,

Please check if you can access the "error code operational check" to narrow down where the fault came from.
How to enter to error code operational check.
Note : The TV must be in shutdown and not have been switched off. When the TV is switched off, the error code automatically resets to 12 (no error).
Press the buttons on the front panel "Input/Device" and "Menu" at the same time and hold it for 5 sec, activate the error code mode. The LED light will flashes denoting a two digit error code.
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If you can't access the error code operational check , please let me know the exact pattern of the flashes of the led light and its color. Check if it will continually flashes green to give you the caused of the symptoms and best solution.

Good luck and take care.

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1 Answer

Hi, the lights on my circiut board are flashing the one on the left is on all the time and the one to the right of it flashes two times and then waits and then flashes two times again


Error Codes
A green LED indicates system faults
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1 Flash: Ignition failure (control in one-hour lockout)
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Flashes: As flame weakens, frequency of LED flashes
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1 Answer

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