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WHAT IS THE IDENTIFICATION NUMBER OF SOUND INTEGRATED CIRCUIT

My integrated circuit for sound is not installed in my tv. Please let me know how to identify it by number so as to buy it from the seller

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Its number will be printed on it. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Schematic diagrams to many popular brand TVs are given. Hope it might help you to check it out.

Posted on May 07, 2015

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Posted on Jan 02, 2017

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Tv turns on with sound but no display I shined a flashlight and can see the screen on,


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Mar 08, 2017 | Element Televison & Video

1 Answer

LED TV has sound but no picture?


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Sep 20, 2016 | Televison & Video

1 Answer

Samsung series 5. 5500 LED TV BLACK SCREEN


perhaps the backlight invertor driver circuit.

Samsung TV Repair Part Number Identification Backlight Inverters LED...
See where the wires from the long LED strips on the both sides of the screen lead you to.

does your model have separate board for backlight ? or is it integrated with TCON ?

Aug 17, 2016 | Samsung 32" Class 1080p 60Hz LED HDTV -...

1 Answer

What Circuit board is needed to fix this TV?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/

To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jun 21, 2016 | Toshiba Televison & Video

1 Answer

What is the ID number of the sound integrated circuit?


You should refer it schematic to know more about this. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Schematic diagrams to many popular brand devices are given.
Type in the brand name to your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

Apr 30, 2015 | Televison & Video

1 Answer

What is full meaning of the following codes in design and constructing an inverter-NE55,CD4013,JRC455,A733,IRFP150,1N4007,C945.


These numbers are the identification of some electronic devices that probably are being used in the inverter's circuit:

CD4013 - Dual D Flip-Flop integrated circuit
1N4007 - 1 A rectifier diode
IRFP150 - power MOSFET
A733 (2SA722) - PNP silicon transistor (low frequency amplifier)
C945 (2SC945) - NPN silicon transistor (low speed switching)

I could not find the devices marked JRC455 and NE55 - maybe they were not correctly marked, but there are some devices which have similar designations: JRC4559 is a dual operational amplifier integrated circuit and the NE555 is a time/oscillator integrated circuit.

You can download their datasheets from

http://www.alldatasheets.com

Hope this information can be useful!

Mar 09, 2011 | Electronics - Others

1 Answer

Does my compaq presario CQ62 havee a sound card?


No it has Integrated Audio.

The term Sound Card is a misnomer of sorts, that has been used by those who review computers, and those who have no idea of what they're talking about, and relay it to the general public.
Just like stating a Graphics Card.

It is a Sound Adapter Card, and a Graphics Adapter Card.
A circuit board with either an Audio chipset, or a graphics chipset soldered to it. (GPU)

http://en.wikipedia.org/wiki/GPU

A Sound Adapter Card, or a Graphics Adapter Card is removable.
Integrated Audio, or Integrated Graphics is not.

Integrated Audio is a audio chipset that is soldered to the motherboard. Not removable, or replaceable as an FRU by a general repair tech. (Field Replacement Unit)

[The chipset is soldered in a BGA. Ball Grid Array. Takes a BGA Reflow Machine)

Chip and Chipset are slang terms to represent I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_Circuit

The Audio chipset manufacturer is not stated, but it is probably an audio chipset manufactured by Conexant, or RealTek.

Aplogizes for the 'long winded dissertation', but I despise someone just stating, NO, and not explaining why.
Regards,
joecoolvette

Nov 15, 2010 | Compaq Audio card Sound Card

1 Answer

Son Trunitron


You have bad solder connections on the vertical output integrated circuit. Since now nothing helps either the solder connections have become very bad OR the vertical output integrated circuit finally failed from the intermittent condition.

Feb 27, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

All functions turn on, but i can listen to music. The output integrated circuit is broken


Hi there OSKY,

I would suggest that you try and obtain the service manual for this system of yours. Usually from the manufacturer or an alternative source.

The model number and the manufacturer are listed on the rear panel of the sound system.

Once you get the service manual it will list the correct part number and the type of IC installed in that particular model..

You havent listed the model or manufacturer for me to search my own service manuals , so I cant provide you with the IC part number...without a good description of it..

Cheers YUBEUT...

Nov 16, 2007 | Panasonic SC-EN7 CD Shelf System

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