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Ic str A6252 - Sony MHC-GX555 Mini Hi-Fi System Shelf System

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


Sony FD Trinitron WEGA... Repair Questions - Fixya

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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.

Sony KV-TG21M61 21" TV Repair Questions,... - Fixya

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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 ...

Tv code hi i'm looking for a 3 diget programming code for my ...


Dec 21, 2015 | Sony Televison & Video

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LG FA 162 doesnt power on.


Dry electrolitic condensator on main power unit or short circuit on speaker cables

Nov 27, 2013 | Sony MHC-GX555 Mini Hi-Fi System Shelf...

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I have a Sony STR-V444ES receiver that is receiving what I believe to be a static discharge. When I turn on all components, I will receive a random loud popping sound that usually happens in the first 15...


Hi,
The AVR have problem in its pre amplifier stage. Normally this type of cracking noise will hear because of faulty op amp (operational amplifier) ics. To repair such problems you should have through knowledge in electronics. And also need SMD rework stations Beacuse all the op amp ics are SMDs. If yo have such knowledge then i have added here the link to the service manula for your AVR.

Refer the page number page number 13 first. Its the Audio section blaock diagram of the AVR. you can see the the suspected ic in the top right corner marked as IC410. Which is the pre stage op amp for the frond left righ amplifier. You have to replace this ic( integrated circuit).

You can find the position of the ic by refering Page number 27. Its the input board . On the board you can see three ics with 8 legs(four in each side) On the left side. You have to replace the ic marke as IC410. You can find the schematic for the input board in page number 26. the The part number of the ic M5218AFP-T .

Refer the sevice manual to know how to carefully to remove the input baord.

http://sportsbil.com/sony/STR/STR-V/STR-V333ES_V444ES_V555ES_v1.2.pdf

If you need any more assistance feel free to conatct me through fixya.

Ajin
.

Feb 08, 2012 | Audio Players & Recorders

1 Answer

VOLTAGE DROP AFTER STR.MAIN FILTER NOT DISCHARGE AND FUSE GONE EVERY TIME. I CHANGE STR & SUPPLY IC.


connect a series lamp for sefty to the monitor. start to disconnect the component from fuse ,line filter, bridge rectifier, filter capacitor, check the voltage at ic 12v also check pulse at str if not then check ic resistors capacitors,and replace if found faulty

Mar 23, 2011 | Samsung SyncMaster 1100P 21" CRT Monitor

1 Answer

Hi, I have a sony STR-DE675.; the audio cuts out between stereo and mono, as if something inside is heating up.I have cleaned all connections and carefully vacumed out any dust from inside the unit.The...


STR is a very sensitive ic module of the audio system and it always has a tendancy to heat up quickly and has some basic precautions to be maintained for operating this. correct speakers should have been connected so on..



if you are technically very confident open up your system try to locate the str ic unit check whether the contacts of the heat sync (aluminium metal chunk screwed with the ic to absorb the heat) has been correctly fixed. (pls note- manufacturers will always have appropriately heat synced it try to use it in a cooler place)

Feb 01, 2011 | Sony STR-DE675 Receiver

1 Answer

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Replace the IC 1101 with Part No. 6-806-144-01. This Ic will have updated software on board to fix the problem.

Mar 27, 2010 | Sony STR-DE597 Receiver

1 Answer

Sony receiver STR-DE345 OVERHEATED how do i fix it ??????


these do run hot, they don't have a fan so they need good ventalation. If your has completely failed you may be able to resolder the voltage str and stk voltage driver Ic's or replace them.

Jul 16, 2009 | Sony STR-DE345 Receiver

1 Answer

Sony str-DE435 Flash Protector


this is not a reset problem, you have a defective audio output, is either the outputs transistors or the drivers IC's ( integrated circuit) and sometimes if you are lucky is just loose connections on the drivers IC;s.
good luck

Jun 18, 2009 | Sony STR-DE435 Receiver

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