Question about AudioBahn A2300HCT Car Audio Amplifier

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Transistor where do i go to get a transistor fixed any idea?

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You buy replacements, you don't repair them. What are the numbers on the transistor?

Posted on Apr 05, 2008

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1 Answer

Power on problem


this is hardware problem - replace flyback transformer & big transisitor fixed near flyback (replacing these two parts is compulsory ) - also check all small size transistors ( 6 to 10 transistors will be there on main board - see picture ) - below shown picture is only to get an idea as how these parts looks like & roughly where they are situated on main board ... that means this picture is not that of your monitor's main board - in your monitor there will slight difference & also that bigsize transistor's number will be different ....... for more details about flyback transformer check this link http://www.fixya.com/support/t10123898-panasonic_ct_36hl43g_tv_just_turned



11_2_2011_8_13_50_pm.jpg

Oct 30, 2011 | IBM E74 17" CRT Monitor

1 Answer

Musical fidelity amp x-a2, one channel intermittent crackling / fading out, any ideas?! Tried swapping source and speakers... Many thanks -chris


hi,
This problem will occur when any one of the driver transistor is become faulty. You have to replace all the driver transistor of the same channel which make cracking sound . It is very difficult to tell which one is faulty. Because if you check the transistors with multimeter it will be ok. Replace all the driver transistor in that channel with same part number marked on it. The driver transistors will look like this,

ajin_g_6.jpg ok

May 20, 2011 | Car Audio & Video

1 Answer

My Horizontal transistor is not working what should i do?


EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching TV --- this adjustment is very important ) ----------iam from bangalore (09986222774, sathyavijayasarathibabu@ymail.com) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact TV service engineer ------- because they are highly experienced & can fix this component very easily...............YOU HAVE TO REPLACE HORIZONTAL TRANSISTOR ALSO

Apr 24, 2011 | Philips 28PW6506 28" TV

3 Answers

Problem with marshall dfx250 just recently the volume on my amp is dropping and increasing at random, love the amp but needs fixed any ideas??


If you have no experience with amp repairs you are better off having it serviced. This problem seems to be related to bad solder joints in the FDD circuit exacerbated by the cooling fan aging and wearing out. Namely R107 and R96.

Mar 02, 2010 | Marshall Amplification Marshall MG250DFX...

1 Answer

Amp burned out


yes you shorted the output transistors and replacing them will fix your issue. inside the amp you will find three legged transistors that mount to the amps body/heat sink. replace all of them.

good luck man.

Jan 23, 2010 | MTX Thunder 4250D Car Audio Amplifier

1 Answer

Fuse blows on crate fxt65 amp


Hi...

It's a transistor type design. Most likely the power transistors or power amp module that drives the speakers.

If I were the repair shop I'd charge about $80.00 to fix it

Dec 30, 2008 | Audio Players & Recorders

1 Answer

Mta 1501d


You need to switch your meter to ohms and measure the resistance across them. You should read something near 4.75 ohms.

4.75 ohms would cause a constant tone on diode check or continuity.

Did you replace all 8 output transistors?

If not, are you sure that the other 4 transistors haven't failed?

Apr 16, 2008 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

TV - worth fixing or pitch?


Horizontal output and regulator transistor often short out on this model causing a dead condition. Also the resistor right next to the regulators goes open as well. Electronix.com has a sony repair kit to fix the power supply. You just have to check the numbers on your Horizontal output transistor to make sure you get the right kit for your model.

Feb 03, 2008 | Televison & Video

1 Answer

Problems with amp...


if you have some idea about installation procedure it wont be a big deal to fix it by yourself

Dec 30, 2007 | Jensen XA4150 Car Audio Amplifier

1 Answer

Error with DAV-S500


Sony DAV-S500 error c-81: On the rear side of the DVD board connected to the DVDv drive is a power transistor Q002 that is shorted BASIS-EMITTER. The device is an Toshiba 2SA1213Y (PNP transistor 1$) Replace and your DVD works! good luck :) Foxi from Budapest, Hungary, Europe

Jun 11, 2007 | Sony DAV-S500 System

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