What type of component is STV-4 in my Pioneer SA-8100 power amp board?

Head straight to the (European) electrotanya website, which offers free downloads of a wide range of service manuals. No registration is required either.

The Pioneer SA-600 schematic shows both voltages and currents. For this amp, the total current for left & right output modules (no signal) is 60mA. No-load voltage is 58 volts, dropping to 48 volts (one channel driven, 25 watts out).

PIONEER SA 600 SCH Service Manual free download schematics eeprom...

Feb 26, 2014 | Cameras

1 Answer

Pioneer SA-1050 will no longer power up

I would check the internal fuse(s) in the power supply. If they have blown replace them. If they blow again suspect a shorted power output device on the heatsink.
It's best to look at the soldering on the PC board, especially on second hand devices. This will show you if it has been repaired. If the soldering doesn't look like new, someone has been messing with it. They could have done anything to it, including fitting wrong parts, or fitting the right parts but not doing it right.

Jul 21, 2013 | Audio Players & Recorders

1 Answer

Pioneer model SA 9500 stereo amplifier problems.

Is the dc voltage reading on the base of the outputs 0.6 with emitters reading 0.014 or there about. Depending on the outputs used you might read 1.2volts on the base. Your collectors will read the power supply voltage of 50 or 60volts or more. If this is what you are reading on your meter the problem is in the speaker protection circuit. This circuit is what drives the relay you tested.

Jun 27, 2012 | Pioneer Audio Players & Recorders

3 Answers

Power up. TV stays on for 15-40 minutes. All of sudden picture goes out (green power button is still on). I did notice that projection bulbs are off too. No sound during this time either. To get back on,...

Confirm the brand is Pioneer and model listed is your set?

Nov 04, 2011 | Pioneer PRO-520HD 53" Rear Projection...

1 Answer

I have a pioneer sa-8100 amp. Left channel goes off shortly after playing it. What is wrong?

Could be a lot of things. More triage is needed.

Have you done any isolation to prove/disprove a certain source, channel cable or speaker are NOT the problem first?

May 26, 2011 | Pioneer Audio Players & Recorders

1 Answer

32 " STV-328 Spectroniq

Hello,

Your power supply board is dead, do you know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Hope this will help in rectifying the fault.....

May 18, 2011 | Astar SpectronIQ STV378 37 in. LCD TV

1 Answer

Zx-8100 amplifier is red lighting.

try wiring them differently. here is a link for u to go to http://www.crutchfield.com/learn/learningcenter/car/subwoofers_wiring.html . once there find your amp configuration (ie. mono, or 2 channel) then down to the type of subs an how many subs ( ie. 2 dvc (dual voice coil) 4 ohm subs) an that will show u how the subs should be wired and wired to the amp.

Mar 21, 2010 | Volfenhag ZX-8100 Car Audio Amplifier

1 Answer

TV cant be switch on, RED LED diagnostic Blinks .. 3 times... then 4 times. Please advise probable cause and send sTV hcematic diagram.

Hi, this is main board failure and you will need to replace this vital board. you power board is fine but, it is unable to send a proper current through the main mother board due to the damage at hand.

May 21, 2009 | Sony KV-29FX30 29" TV

1 Answer

Pioneer amph sa 9500 II

Hi yalazogeday

Your amp is fitted with two 2SD588A (NPN) and two 2SB618A (PNP) power transistors in the output stages. Click on the part for a place to get them from. These parts are no longer available from Pioneer, nor are the prescribed replacements. (the amp was built in 1978) Because of the unusual transistor package used, you may have to upgrade to a more modern transistor, and modify the mounting also.

robotek

May 24, 2008 | Audio Players & Recorders

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The Knight · Answer 2 · 12/12/2010 12:00:00 AM

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SOURCE: Pioneer Spec 4 . I can't

Hello
Please email its schematic and let me know the fault loction. Ok.

Posted on Dec 12, 2010

David Dunn · Answer 3 · 5/26/2011 12:00:00 AM

David Dunn

8546 Answers

SOURCE: I have a pioneer sa-8100

Could be a lot of things. More triage is needed.

Have you done any isolation to prove/disprove a certain source, channel cable or speaker are NOT the problem first?

Posted on May 26, 2011

What type of component is STV-4 in my Pioneer SA-8100 power amp board?

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What type of component is STV-4 in my Pioneer SA-8100 power amp board?

3 Suggested Answers

6ya staff

The Knight

David Dunn

Add Your Answer

Attachments: Added items

Related Questions:

I have been looking for service manual to download for free for a pioneer amp sa-1510

Need service manual for pioneer sa-600

Pioneer SA-1050 will no longer power up

Pioneer model SA 9500 stereo amplifier problems.

Power up. TV stays on for 15-40 minutes. All of sudden picture goes out (green power button is still on). I did notice that projection bulbs are off too. No sound during this time either. To get back on,...

I have a pioneer sa-8100 amp. Left channel goes off shortly after playing it. What is wrong?

32 " STV-328 Spectroniq

Zx-8100 amplifier is red lighting.

TV cant be switch on, RED LED diagnostic Blinks .. 3 times... then 4 times. Please advise probable cause and send sTV hcematic diagram.

Pioneer amph sa 9500 II

Not finding what you are looking for?

Car Audio & Video

I have been looking for service manual to download for free for a pioneer amp sa-1510

Open Questions:

SOEK DIE INKOPIELYS VIR EETPLAN

i have an orange wire on my radio adapter my radio has orange with a white stripe how can this work

i need to know what code 19 means i have an aftermarket pioneer mixtrax cd and radio combo it comes up with code 19 stereo on no nusic thru radio model FH-X720BT

Can pioneer carrozzeria avic zh9md be translatted from japanees to english

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