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TV Sound Regulator ICS International Control Systems

How can I can't make the sound regulator work on my tv.

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  • Pat Luke Mar 28, 2008

    I purchased a tv sound regulator over the internet for my tv which was supposed to control the changes in sound volume especially when commercials came on. In my case, it is supposed to be hooked between satellite dish box and the tv. After setting it up according to the instruction manual I still get no sound or video. I have an RCA tv model F19421 and a direct tv satellite dish box D11-300. Any and all advise would be greatly appreciated!

  • Pat Luke Mar 29, 2008

    It finally works! Thank you very much!

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Http://www.electrophobia.com/tivo/#tivo-av_tv

Posted on May 18, 2009

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Hooked up to direct tv and tv , doesent work

Posted on May 18, 2009

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Please rephrase the question /do you have sound.

Posted on Mar 27, 2008

  • g w Mar 29, 2008

    have you tried av inputs or tuner ,enter your tv menu and try setting it again to suite the input selected

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1 Answer

Tcp50s30 sound but no picture


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time.

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Power supply regulator board fault. Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. Do asearch by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis.

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try checking, power supply board out put voltage, if abnormal may be regulator has a problem or change it , or regulator control ic..or checking capacitor leaky and change it in same value.

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Check the incoming power supply voltage to its back-light inverter, from main power regulator board. Check the main power regulator board.

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Any capacitor on the power regulator board might have bursted out. Check the power regulator board. Replace it as card basis.

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The power supply regulator section of your tV has the fault. The set need service. Contact any experienced service technician, as it will be dangerous for an unexpereinced person to work with the power supply regulator circuits.

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1 Answer

My television has a blue screen and the red light at the front of the television keeps flashing,how do i get it to work?


Hello
Your telivision may have its Chroma Ic faulty. Sony TVs uses their own coded numberd Ics, usually begin wi CX xxxxxx, or Philps TDA series Ics. These Ics contains so many sections integrated to one. That is Horixontal, Vertical, Synchronisation for both horizontal and vertical, video out drive section and its matrix, video If section, sound filtering section and so on which comes over 68 sections or so.If any of the among said section gets faulty, your tv will have some problems.
Here you can see a Blue screen. Therefore video out section of your TVs Ic is working well. The red flashing LED in the front of your tv indicates that there is some kind of short, not direct short, inside your TV.
You just do one thing. Open the back cover of your TV and find out the IC I have mentioned above. Switch on your tv, wait for 5 minutes or so, switch it off, unplug it from mains, and touch on the surface of the said Ic with your bare fingers and find whether it is overheats or not. Such types of Ics can be heated upto60 to 65 degree C. Not much more. If that Ic is faulty, it will heat up to a condition, which you can feel.
If there is no overheating is noted, there may be some low voltage missing. Sony TVs works on 112vDC main rail, 8VDC secondary rail, 5VDC for system control section, and 24VDC and 18VDC for vertical output and sound output sections.
Normally we noted is the missing of 8VDC rail. This 8VDC is derived from the secondory voltage of LOT, through a stepdown *V regulator Ic. If that Ics soldering point gets loose conatcted, of that Ic itsef is faulty, This kind of fault can occur.
If you are going to do it by yourself, keep the children away, and let an adult beside you as a precautionary measure. Never touch any part inside your tv while power supply is on. Take out power plug from the socket before touching any parts.
As yours' is a 27" TV, at about 25KVDC [25,0000VDC] points will be there inside. Keep Caution. Ok

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1 Answer

Help...


your problem is the regulator... regulator ic that is located near the fuse...check if the fuse is burnt also... regulator is screwed at the heatsink...

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1 Answer

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Maybe the audio amplifiers ICs are damaged.

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It's called stuttering and a common problem for this unit... Check and replace as necessary C665 (220uf @ 10v) C666 (2200uf @ 10v) & C668 (47uf @ 25v)... If the stuttering is still there you may need to replace also Ic653 (Typical 7805 Regulator) all in the 5v regulator supply circuit.
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