Question about Audio Players & Recorders

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The audio out to the speakers stopped. Is there a resetable fuse or CB in the unit?

This unit has no output to the speakers. The headphone output is ok. The owner said that there may be a circuit breaker for speaker/amp protection built in, which may be bad. He didn't say if he hooked too many speakers to the unit and possibly damaged the amp due to too low an impedence load on it. Is a schematic & parts list available for it somewhere? I didn't think cheepo units like this had any built in protective devices.

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  • Anonymous Oct 20, 2008

    one of the speakers doesn't have a full sound and it has something to do with the speaker jack



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A good possibility is a bad solder joint on the circuit board likely to be close to the headphone jack. A circuit breaker is unlikely in this type of unit but if it had one it would likely affect the headphones too. I would look for a broken trace or cold solder joint near the headphone jack. The jack itself could also be bad.

Posted on May 07, 2009

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Just to let people know,if anybody still needs to know-:
it has been common practice in the a/v world (which includes boomboxes and other cass.players to include a swiched headphone jack.This is the reason your speakers switch off when you plug in h.p.'s.
If it is really an av model it will have more than one headphone jack.If this is the case,you most likely must use the #1 jack in order for the others to work.
Woody
dbldawgdan@aim.com

Posted on Apr 02, 2009

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One of the 3 fuses inside the vented back cover may have blown.

Posted on Mar 26, 2009

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Ask him for new headphones okay

Posted on Oct 16, 2008

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Posted on Jan 02, 2017

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1 Answer

Change main fuse but still not working right


First of all, nothing wrong with the fuse. A fuse is nothing but a short piece of wire with a resistance value. If the unit turns on, fuse is fine. The fact that the headphones you plugged in are working tells you that the music is finding it's way up to that point. You must realize that the speakers themselves have additional circuitry that the headphones don't use. If you could obtain a diagram for the circuitry you might find that a capacitor or a diode or a transistor got "zapped" when the high voltage was applied.
If you have this diagram and you don't know what component is defective, can you post that diagram and I would be glad to help!

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Go in to the "applications>utilities" folder. Run the "Audio/MIDI Setup" program. Insure the audio out is actually going to the headphone out.

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The external speakers attached to my m audio prokeys 88sx are no longer working. I have replaced the fuses in both but the fuses blow on power up. I then used the keyboard with a set of headphones. One of...


It is NOT likely the keyboard is "killing the speakers"... OR the headphones for that matter.

I suspect the problem is bad switch contacts in the headphone jack that cut off the speaker line outputs when headphones are plugged into the pro keys. These jacks are, to put it bluntly, JUNK... they are EASILY damaged by pulling the cable plugged into them sideways. You will need to service the unit.

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Yamaha HTR-5930 has no audio to speakers because it indicates and is sending audio to headphones although no headphones are plugged in. Carefully manipulated contacts on headphone jack with no change. Am I...


No I don't think so . These are complex units . If your headphones work then is routing the sound to the output circuit then you should get sound out the output jacks. Are your speakers turned off or set to output to speakers b ? Give me more details at ledstiles@hotmail.com I'll try and walk you through it. Larry's Electronics

Apr 21, 2010 | Audio Players & Recorders

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Audio from tv is not restored by turning off power on headphones


It sounds as if you are plugging the base into a standard headphone jack located on the Television set.

RCA Headphone jacks (incl mini) automatically stop the sound output to the main speakers on almost every set I have seen.. or home stereo.. etc etc

In other words you can take a standard RCA jack.. with nothing connected to it.. plug it in while the music or sound is coming out the main speaker.. and it will cut off the output to those speakers..

If you set has audio outputs on the back.. preferably Fixed Audio Out .. you will need to connect your base unit to those.. turn your set volume to 0 and adjust the headset volume using the control on the right ear-cup.

If you have variable audio out.. you will need to go into your TV sets setup menu.. turn off the speaker.. and turn up the set until you achieve a signal and decent volume through the headset.

If you are missing these connections.. your current “work around” is your only solution.

Best of luck

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1 Answer

Audio problem


Steps:
1. Make sure battery is charged. Go to Step #2.
2. Press reset button and try it again. If still bad, go to step #3.
3. Try using headphones.

By using the headphones, you are bypassing the internal speakers, which might have failed. If the sound is still missing, the mostly like problem is a defective audio output stage on the motherboard. Since this unit uses surface mount technology it will have to be sent back to the manufacturer for repair.

Jan 14, 2008 | Garmin nuvi 350 GPS Receiver

1 Answer

Audio problems


Steps:

1. Make sure battery is charged. Go to Step #2.
2. Press reset button and try it again. If still bad, go to step #3.
3. Try using headphones.

By using the headphones, you are bypassing the internal speakers, which might have failed. If the sound is still missing, the mostly like problem is a defective audio output stage on the motherboard.

Since this unit uses surface mount technology it will have to be sent back to the manufacturer for repair.

If the sound works with the headphones, the speakers have failed. I have seen several postings of speakers failing in the Nuvi 350.
In either case, you will need to send the unit back for repair. Be sure to have your serial number handy. Register it online https://my.garmin.com/mygarmin/marketing/register.htm
if you haven't already done so.
Hours:
Monday - Friday
8 a.m. - 7 p.m.
Central time (closed holidays)
1-800-800-1020 (U.S.)
1-866-429-9296 (Canada) or (913) 397-8200

Good Luck,
- Jim

Jan 14, 2008 | Garmin nuvi 350 GPS Receiver

2 Answers

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Check the continuity of your speaker cables either by using them on another system or with a test meter. Could be that the cables got damaged in the move.
JohnC

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1 Answer

Unit wont stay powered up


Check for overheating. Place the unit in a large plastic bag and place it in the refrigerator for 1/2 hour. Don't allow condensation to appear on the unit before powering it up, the heat will evaporate any potential condensation. Put moisture absorber or rice in a paper bag in the plastic bag for safety to absorb any moisture. Then power up. If still inoperative check for DC or AC voltage on speaker connectors. If one side is different, or if DC appears on the outputs, audio output may be shorted. See if plugging in headphones stops the problem, some units disable the audio outputs with headphones plugged in.

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