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Sony tv hg 21 m80 /l str f 6267 power supply not workingg

Sony colour tv KV HG 21M80/LS SMPS (STR F6267)

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6ya6ya
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SOURCE: sony str-dg510

Why dvd sound does not play on sony str-dg510?

Posted on Feb 02, 2008

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SOURCE: SONY KV-2740 LOST 2 PART

You can possibly find the parts at MCM Electronics.

Hope that helps...

Geno

Posted on Mar 22, 2008

pravinbhavsa
  • 348 Answers

SOURCE: No power

check voltage at the primary filter then check voltege at pin no 1 of STR dc which should be approx input volt if not then clear the path if present then check check up down volt at pin no 3 if not persent then replace the small capacitor near it the problem will be solved

Posted on Dec 06, 2008

  • 55 Answers

SOURCE: Light blinking problem in LG 775N ( White ) 17'' CRT monitor

any shortage in secondry side of monitor ..
plz check shoting.

Posted on Apr 21, 2009

  • 1 Answer

SOURCE: smps not working

smps is not working

Posted on Nov 23, 2009

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Need to know which optocoupler ic is used in str 6267 based power supply in sony trintron crt tv


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Hello, i have a sony FD Trinitron WEGA #KV-36FV310 ... Need to know whichoptocoupler ic is used in str 6267 based power supply in sony trintron crt tv.

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Need to know which optocoupler ic is used in str 6267 based power supply in ... My sony crt Tv totally dead when touch any components and the IC strs6307 ...

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Dec 21, 2015 | Sony Televison & Video

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Sony kv-Rw25M61 l cannot power on.rectifier is OK.pls help me.Sony wega


The SMPS [Power regulator] section circuit is not oscillating. Contact any service technician. The most probable case is tie STR fault. http://electronicshelponline.blogspot.com/

Dec 22, 2014 | Televison & Video

1 Answer

Sony Tv KVxf 21M80 Problem is that the channels


It sounds that the main system memory IC to this TV has been damaged. It will be best to contact any service technician.

Sep 25, 2013 | Televison & Video

2 Answers

Describe your FD Trinitron WEGA KV-21CL10 21" TV Problem my problem is the value of pf pin number 1 & 2 for str 6267


Sir I think there is a missing part in the part number of the str can you give me the complete part number thanks.

Sep 21, 2011 | Sony FD Trinitron WEGA KV-21CL10 21" TV

3 Answers

Model Sony KV-G21q2S Problem-STR 6707 has been changed. After an hour the went down. The fuse and STR 6707 are working. But no picture no sound. When plug in it gives "boo" sound for few...


This is the SMPS Power suply drive and the IC fails ONLY if there is fault in the circuit. You need to check on the SMPS section
check this link below for tips:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Next you need to check if the LINE output transformer has failed. If so this will have a higher current drain and so switch off the SMPS unit. check for the EHT drivers, capacitors in the HT circuit.

Jun 25, 2011 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

I have sony trinitron wega t.v and when i plug in to switch on.. Light does not come, no sound. Nothing. is it repairable.


hi,
yes , it is reparable. ur tvs smps power supply have some problem. check th fuse first. also check the over surge protector MOV is short or not. also check the STR power drive in the power supply. just relapse. below is the photo of MOV and STR. if u repalce the STR also try to replase the opto coupler also. added the photo of opto coupler.
ok

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Jan 06, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

3 Answers

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


Hello
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

Sony KV XA 21M80 Trinitron- HUMMING NOISE AND PICTURE NOT CLEAR


If your set has a humming noise when connecting the cable, call your cable company. There is a ground issue. This can also be a safety issue.

If your signal is PAL, and your TV is NTSC only, you will have to replace the TV with a PAL one in order to properly view the programs.

Jerry G.

May 15, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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