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STR 6267 not working in sony tv kv-hg21m80 - Televison & Video

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SOURCE: Describe your FD Trinitron WEGA

Value of pf 220p (C616) smd capacitor

Posted on Oct 22, 2011

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ekcnoel
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SOURCE: Describe your FD Trinitron WEGA

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

Posted on Sep 21, 2011

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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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Dec 21, 2015 | Sony 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

1 Answer

Dear Sir, I'm Bangladeshi Tv Techanician, Sony tv


Hello

Before replacing the STR, have you checked all the components related to it? When STR burns out some of the nearby components, such as zener diodes and other resistors will also get damaged. You just replace the components, especially, zener diodes, in case it does not show any fault, replace it. Connect a 100W filament type bulb in seris with the power supply, and switch on the set. This will reduce the power concumton at the begining, and we can check its heat effect also, after all are ok we can connect directly. Check the smoothing capacitor at the secondary 130VDC. Replace it also. If you need furthermore assistance, feel free to contact me through Fixya. I'm an Indian, residing at Trivandrum, the capital city of Kerala State.

Dec 11, 2010 | 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

Have a sony trinitron tv which turns off automatically and sporadically on average every 15 minutes


Hello
Most of the sony Tv power supplys are based on STR type regulators. Regulation of an STR is very accurate and if any overload inside the ciruit board of the TV, will be sensed by the STR and will shut off all the supply to the system itself. From your complaint we understands that there is some sort of short, not a direct short, is in your tv. Usually it may related to horizontal output transistor. At first it will work fine, but as time pass on, it will get over heated, passes more current, and place a short like circustance to the power supply rail itself, and as described above, STR will sense it and will shut down the system. After some time, say after 10 or 15 minutes, after the heat generated has gone off, the TV will again switch on, and the cycle will be repeated. You just call a technican and keep this in mind, and ask him to repair the same.

Oct 18, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

SONY KV-2740 LOST 2 PART


You can possibly find the parts at MCM Electronics.

Hope that helps...

Geno

Mar 22, 2008 | Sony KV-27V40 27" TV

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