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Can I replace ic str 6554 with str 6553 - Audio Players & Recorders

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You can get the original one on E-Bay

Posted on May 12, 2017

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Posted on Jan 02, 2017

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Dec 21, 2015 | Sony Televison & Video

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Hi! i have sanyo televesion, model ts21sf1k. the problem is no power. i replace the power ic regulator STR w6753. but still no power. no voltage out in power supply.


SMPS circuit is not functioning. Check and replace all the associated component to STR. If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Jun 24, 2015 | Sanyo Televison & Video

1 Answer

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

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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

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Sony str-ga7es stereo receiver/surround sound amp. Turn on and "protector" shows in the display. instructions say fix short. Not much help. ideas?


unplug it discharge output voltages with a 1k resistor then resolder the voltage driver ic's these ic's start with up, ie upc2558 , or stk350 etc. you will see the solder rings and cool solder joints around then. Use liquid flux and solder them back to the board. You might end up replacing them but youl never know until you try soldering them first. Larry's Electronics. ledstiles@hotmail.com

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Sony STR-DG600 ticking sound defect bug. There


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

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How do I correct protector code 11 on sony str da3100es?


Sometimes the protector code means audio amplifier IC fried and need to replace him

May 13, 2009 | Sony STR-DA3100ES 7.1 Channels Receiver

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