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Pioneer VSX-3800 keep blowing fuses when powered on

I have a Pioneer VSX-3800 Receiver and for some reason one day it wouldn't power on. I removed lid, and noticed one of the fuses was blown. I replaced the 1.25 fuse, plugged it in and it blew the replacement fuse. This unit has sentimental value and I do not want to replace it or get rid of it.

Posted by Jelianette Rivera on

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Mosaub Al Masri

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  • 66 Answers

This must be caused by faulty audio. Ic

Posted on Nov 07, 2013

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5 Related Answers

Anonymous

  • 120 Answers

SOURCE: JVC RX-318 keeps blowing fuses

could be several things, speaker wires touching,shorted output transistors, a shorted rectifier diode,bad filter caps in the power supply,those are the most common

Posted on Jan 06, 2009

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Anonymous

  • 5 Answers

SOURCE: sony str-de845 Powers up, relay clicks, fuses BLOW!

This condition, may be produced by defective components (Q506, Q507). you can remove those transistor, replace the fuses, power-on and wait for relays click. if the fuses not blown again, them replace both transistor.

Posted on Mar 19, 2009

SOURCE: Blows main fuse when power is turned on

Shorted power supply/module is most likely problem.

Posted on May 27, 2009

Anonymous

  • 7 Answers

SOURCE: I have a Pioneer VSX-454 reciever, both 1.25 Amp fuses blown

blue two legged varacter on power supply board needs to be replaced

Posted on Jul 12, 2009

Anonymous

  • 11 Answers

SOURCE: doesn't turn on

does it have the blue flashing light on the power button?

Posted on May 16, 2010

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How to make a Pioneer vsx-816k/s last longer


I really don't recommend this product to anyone, or any newer pioneer products for that matter (except the elite line). This model has the "hybrid" design, which is a very flawed design. At first the speakers will start cutting in and out, and then some of them wont work at all, and then the receiver will flash "overload" and the receiver will go into a permanent protection, all because the receiver cant handle the resistance of the speakers(doesn't matter what speaker it is). Once in protect mode, press ENTER+ ADVANCED SURROUND and it will tell you what the problem is causing it to stay in protect mode. In order to keep this from happening, use external amps. Pioneer wants around 500 dollars to fix it if its out of warranty, it will cost at least 50 to fix it yourself, in most cases it will cost 150 to fix it yourself (most cases all 3 power modules will go out, or as pioneer calls them, power packs). If you have an older vsx model (50s-80s) then it is usually worth fixing. If your having problems with pioneer vsx 3600, 3700s, 3800, or 3900s, send me an email at [email protected] and i will help you the best i can

on May 16, 2010 | Pioneer VSX-816-K/S Receiver

1 Answer

VSX-518 NO POWER


Check the internal fuse. If found damaged, check for its reason. Without rectifying the reason; if any; never insert an other fuse in place. Check for damaged component/s at it audio output section circuit. Contact any service technician. 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/

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Pioneer VSX-519V Multi-channel receiver won't turn on.


You could have blown the fuse in the unit, or worse still blown the output device(s) in the power amp.

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Standy light on but wont power up


You could have a blown channel. This will keep your receiver from turning on. It is a protect feature to keep you from damaging more components

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On my Pioneer receiver (model # vsx-9100tx) MCACC light keeps flashing and system will not power on. Please advise.


Hi the mcacc light keep's flashing and will not come on. Can you help with this thank you Lee

Dec 22, 2010 | Pioneer Elite VSX-9100TX Receiver

1 Answer

Doesn't turn on


does it have the blue flashing light on the power button?

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I have a pioneer vsx3700s receiver,can you tell me where i can find a schematic or repair manual for it?


www.stereomanuals.com
G12 price code = $21.00 + $2.00 shipping

Pioneer VSX-3700S AV Receiver Service Manual = G12
COMMENT: (1990) Also VSX-3600, VSX-3900S, VSX-3800, VSX-411S, VSX-401. (IMPORTANT NOTE) Circuit Diagrams and PCB Pattern Layouts (and Exploded View, Parts List) only, balance (if any) of manual on (1) (not included) microfiche card. There are some separate manuals which are almost entirely for the Remote Controls: for VSX-411S and VSX-401, see VSX-411S. for VSX-3900S and VSX-3800, see VSX-3900S.
STOCK# = PIOVSX3700S-SM
DESCRIPTION: 56 total pages (18 intentionally blank), constructed as the original including (almost entirely) 11in x 17in folded /trimmed pullout pages, card stock covers, neatly assembled with 5 staples and fiber reinforced taped spine. Models covered: VSX-3700S, VSX-3600, VSX-3900S, VSX-3800, VSX-411S, VSX-401. Overall quality is Very Good.

Feb 24, 2009 | Pioneer Audio Players & Recorders

1 Answer

Standby light on pioneer vsx-d308 receiver


I have the same problem. my sandby light is on but my receiver will not turn on! I checked my power going into the power supply board that was good. But i do not have power going to the transformer or the receptacle. And both of my fuses r good. check ur fuses and go from there . If u know how to get a power supply. please let me know.

Jun 14, 2008 | Pioneer VSX-D308 Receiver

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