Question about Sony KV-36FS17 36" TV

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Sony MODEL KV-2585 TV

Q657 (Protechsion zener diode short circuite)and the TV makes a hissing sound. No picture or sound.

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Re: Sony MODEL KV-2585 TV

Can any one tell me KV-2585 vertical ic number..please...

Posted on May 31, 2013

Re: Sony MODEL KV-2585 TV

I am trying to get the code for a universal remote for my sony kv-2785r . The directions for the remote doesnt seem to be accepted by the tv. Do you have the code for this model?

Posted on Jan 17, 2008

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Re: Sony MODEL KV-2585 TV

You have your information incorrect, Q is not the designation for diodes, Q657 would be a transistor. First give us the correct number for the diode and how do you know it is shorted?

Posted on Aug 16, 2007

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Can not change channels. the image is snowy. dvd's play great.

The problem on that aspect is on the tv internal tuner section,on 33volts dc supply,,cause by the a shorted zener diode...,Dods

Sep 19, 2013 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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No Display, no sound- not working, showing dead. But input Power is ok. Picture tube filamment not getting power. model sony KV-2192M3

Check the input fuse first. If it is blown, there will be some short inside the power regulator circuit. Usually Sony sets uses STR regulated power supply. You can see this STR, and Ic, screwed onto a heatsink. Replace it with a same type and number. Before replacing the STR, check the diodes used in that section for damage, mainlu zener diodes. They might get shorted along the blowing of the STR. Check that section throughly before resoldering the new STR.
If any further assistance you needs, get me through Fixya. Ok.

Nov 27, 2010 | Sony FD Trinitron WEGA KV-21CL10 21" TV

1 Answer

Had power outage while tv was on. When power restored I turned on tv with remote. TV sounded like it went on but no picture. Only timer light lashing. Sony Wega older model 27" Please help, thanks

next time dont leave your tv pluged on power, the power supply got burnt, check your power supply on the following components
fuse, power transistor, zener diodes,also rectifier diodes
if you can manage do it at home
or take it to a w/shop

Apr 17, 2009 | Sony FD Trinitron WEGA KV-24FS120 24" TV

1 Answer

Red standby light flashing no picture or sound

the power supply is faulty, check the following

power trasistor
rectifier diodes
zener diodes
fusable resistors ( less than 20ohms)
and your set will work again

Apr 07, 2009 | Sony FD Trinitron WEGA KV-24FS120 24" TV

1 Answer

Sony tv will not turn on

the power supply is a switched mode. you need to take your tv to a w/shop, and let them check the following.
powersupply rectifier diodes, power trasistor lekage,
diodes, zener diodes,
if a 90-110 volts to the line trasistor,
a line transistor be checked.
the tv simple problem

Mar 29, 2009 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

Sony Trinitron (analog) picture suddenly ''pulsating''

the verticle has a problem check the following around that area

zener diodes
resistors changing values
what is happening is that a voltage is not constant, its varing

Mar 05, 2009 | Sony FD Trinitron WEGA KV-24FS120 24" TV

1 Answer

Sony wega model: kv-32FS120 doesn't turn on

Check your power supply board and resolder the pcb, check the switching diodes and zeners.

Jan 30, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer


check the following, at the w/shop
power supply transistor,zener diodes, fusable resistor, line transistor, near line transformer,
your tv is not oscillating so even the ht voltage of 90-110v from power supply be checked.

Nov 13, 2007 | Sony KV-36XBR450 36" TV

1 Answer

Your assistance

The Sony part number for these diodes is 8-719-108-12 and yes they are 9.1 volt zener diodes @ 1 watt. I have the service manual for this set if you need it put can only send a large file like this trough a proggy called pand, so if you go to and get the proggy and leave youe e-mail addy I will send you a copy of this service manual. Good Luck

Mar 26, 2007 | Sony KV-27S65 27" TV

1 Answer

NO Picture On 2 Video Inputs ( 1 front 1 rear ) : Sound OKAY

Since it is 5 years old mostly dry soldered appears. First sort out the soldered problem. Then check zener diode in video input path is short. Mostly the diode is short. Still get problem check video switching ic also. I think former is the most problem.

Dec 13, 2006 | Sony KV-36FS12 36" TV

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