Question about GPX C979 Cassette/CD Boombox

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Will not come off standby mode

We were given a used gpx979. Unit will not operate using AC or batteries. Neither the CD, radio or tape system works at all. It does absolutely nothing. The only light that comes on is the standby light. We do not have the remote control for the unit. Any recommendations?

Posted by stephen williams on

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Anonymous

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Hi probebly the power button is bad try pushing relly hard or be creative (hammer and such..) or open the unit( unplug it first!!) and try connecting manually the power line if not the processer of the unit is dead and that is the reason way you got the unit in the first place.... good luck

Posted on Mar 16, 2006

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2 Answers

SANYO FXCD-500 has CD Stuck inside player. Radio & Cassette Still Work. It is Still in Dash of my Toyota 4x4 Pickup. Besides taking unit out of Dash??? Any Suggestions??


Sanyo FXCD-500 Operating Instructions Manual - ManualsLib

www.manualslib.com > ... > Sanyo Manuals > CD Player > FXCD-500 FXCD-500 CD Player pdf manual download. ... cause a deterioration in the sound or intermittent skipping some tracks during play This unit has ... TAPE OPERATION 109876 LOADING AND EJECTING THE TAPE Insert a cassette into the tape ..

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Nutone Intercom System IM-4406 . . . the cd player does not work. The unit is about 6 to 7 years old and the CD player has not been working for the past 2 years. It will not even spin around. The trouble...


The unit still getting power?Dose the unit have a tape deck and it is still working?Yes,than CD player section the motor that help the laser eye arm reader to moved and to read the CD disc it is dead.This thing it is out of productions a long time ago.Parts and serviced priced of the Tech. will cost the same as a new unit or could even pass it.If even the Tech. still can find parts for it at all.Just used the Radio and Tape deck sections,if u still have cassett tapes at all.This thing not worth fixing,pretty cheap to buy a whole new unit CD/Tape deck together this day like $60-70 bucks.

Jul 14, 2011 | Broan-NuTone Nutone IMA4406 Intercom...

1 Answer

MANUAL FOR XM SKYBOX


Unit is very straightforward to operate. Hold down O/1 button for power. Use the "mode" pusbutton to cycle thru AM/FM/CD/AUX/XM. Treble & Bass settings are made by turning the 'tuning' knob.
For radio and satellite presets, hold in the numbered pushbutton until it beeps, and then it's set. You should be able to hear previews on XM channel 1,and that will help you with antenna setup. I highly suggest using the remote XM antenna. The built-in XM antenna need to be put 'propped-up' outslde, otherwise you have to use the external antenna. Use AC power as it eats batteries, or use rechargeable D batteries. Let me know if you have any more quesions. okay?

Dec 02, 2010 | XM Radio Audio Players & Recorders

1 Answer

Box given to me w/o power cord. AC/DC unit and


Try your local Radio Shack, or electronic parts store. They might have a direct replacement. Hope this helps

Mar 31, 2010 | Aiwa CSD-FD82 Cassette/CD Boombox

1 Answer

Works on batteries. does not work on ac. If you leave cord in it and turn off ac it still will not work, but if you take cord out of the unit it will then work on batteries.


If the AC cord can be removed from the back of the radio, then there is a mechanical lever inside where the AC cord plugs into the radio. That lever will cause the battery connection inside to be open (or disconnected) so that it will run off AC and not blow up the batteries. That is why it won't run on batteries when that cord is plugged in.

If it runs on batteries but not AC, find another cord to try. Most radios use about the same cord. If a second cord still doesn't make it work, it's most likely a fuse inside for the AC circuitry. they are usually mounted on a circuit board inside the radio right near where the AC cord plugs into the radio.

You should be able to take the radio apart (while it's unplugged from AC of'course) and find that fuse. If your good with a soldering iron you can replace the fuse. Replacements can be found at Radio Shack. If your reading these instructions to begin with, your probably not good with a soldering iron and you should just buy a new radio. Good luck.

Nov 26, 2009 | Durabrand CD Player with Cassette...

2 Answers

CD not working propely


"No disk" is about as fatal a CD read error as ther is. Before we assume the player is at fault let's look at our media. A CD should be handled and cared for like any opitical device. Dirt, fingerprints and scratches are tolerated somewhat but the CD standard isn't impervious to problems.

Do you get any constant results with any CD, say one that always works vs one that never works? Compare them visually for problems on the one that doesn't. I use a clean soft cloth with glass cleaner to clean my media.

This is the entire troubleshooting section for the unit.

Care of CDs
When a CD becomes dirty, wipe it from the center out with a
cleaning cloth. After playing a CD, store it in its case. Do
not keep it in hot or humid places.

Troubleshooting
If your unit fails to perform properly, check the following guide
and the relevant sections of the Operating Instructions.
There is no sound.
•Are the speakers and AC power cord connected properly?
The unit shut off suddenly.
•Possibly a short circuit in the speaker terminals.
Disconnect the AC power cord from the AC power outlet
and re-connect the speaker cords correctly.
The unit blacks out when the unit is turned off.
•Is ECO mode set to on?
Erroneous display.
•Reset the unit.
Poor radio reception.
•Check antenna connection. Adjust the antenna to find the
best reception.
•Move unit and antenna away from other electric appliances
and cords.
The tape does not run.
•Is the deck in pause?
Poor tape sound.
•Check for dirty heads. Clean them if needed.
•Use type I (normal) tapes.
Cannot record.
•Is the erasure prevention tab of the tape broken off? If so,
cover the detection slot with adhesive tape.
The CD player works poorly.
•Is the disc correctly loaded?
•Is the disc dirty?
•Is the lens affected by condensation? If so, wait
approximately one hour and try again.
Resetting the unit
If an unusual condition occurs in the display window or the
cassette deck, reset the unit as follows:
1 Press POWER to turn off the power.
If the power cannot be turned off, disconnect the AC power
cord, then plug it in again.
2 Hold down s and press POWER.
Everything stored in memory after purchase is cleared.
Condensation
Moisture may form on the CD pickup lens when:
•The unit is moved from a cold spot to a warm spot
•The heating system has just been turned on
•The unit is used in a very humid room
•The unit is cooled by an air conditioner
When this unit has condensation inside, it may not function
normally. Should this occur, leave the unit for a few hours,
then try to operate again.

Apr 05, 2009 | Aiwa NSX-TR77 CD Shelf System

1 Answer

Vol problem


Here is the entire troubleshooting section from the manual.

Your problem is presumed to be a shorted speaker wire. I assume you're not getting the failure ONLY at extremely high volume levels.

Care and maintenance
Occasional care and maintenance of the unit and the software
are needed to optimize the performance of your unit.
To clean the cabinet
Use a soft and dry cloth. If the unit surfaces are extremely
dirty, use a soft cloth lightly moistened with mild detergent
solution. Do not use strong solvents such as alcohol, benzine
or thinner.
To clean the tape heads
Dirty tape heads cause sound deterioration. After every 10
hours of use, clean the tape heads with a head cleaning
cassette. Refer to the instructions of the cleaning cassette.
To demagnetize the tape heads
Use a demagnetizing cassette after every 20 to 30 hours of
use. Refer to the instructions of the demagnetizing cassette.
Care of CDs
When a CD becomes dirty, wipe it from the center out with a
cleaning cloth. After playing a CD, store it in its case. Do
not keep it in hot or humid places.
Care of tapes
Store tapes in their cases after use. Do not leave tapes near
magnets, motors, television sets, or any source of
magnetism. Do not expose tapes to direct sunlight, or leave
them in a car parked in direct sunlight.

REFERENCE
Troubleshooting
If your unit fails to perform properly, check the following guide
and the relevant sections of the Operating Instructions.
There is no sound.
•Are the speakers and AC power cord connected properly?
The unit shut off suddenly.
•Possibly a short circuit in the speaker terminals.
Disconnect the AC power cord from the AC power outlet
and re-connect the speaker cords correctly.
The unit blacks out when the unit is turned off.
•Is ECO mode set to on?
Erroneous display.
•Reset the unit.
Poor radio reception.
•Check antenna connection. Adjust the antenna to find the
best reception.
•Move unit and antenna away from other electric appliances
and cords.
The tape does not run.
•Is the deck in pause?
Poor tape sound.
•Check for dirty heads. Clean them if needed.
•Use type I (normal) tapes.
Cannot record.
•Is the erasure prevention tab of the tape broken off? If so,
cover the detection slot with adhesive tape.
The CD player works poorly.
•Is the disc correctly loaded?
•Is the disc dirty?
•Is the lens affected by condensation? If so, wait
approximately one hour and try again.
Resetting the unit
If an unusual condition occurs in the display window or the
cassette deck, reset the unit as follows:
1 Press POWER to turn off the power.
If the power cannot be turned off, disconnect the AC power
cord, then plug it in again.
2 Hold down s and press POWER.
Everything stored in memory after purchase is cleared.

May 03, 2008 | Aiwa NSX-TR77 CD Shelf System

1 Answer

Milwaukee Job site radio


Questions:
1. Does the AC cord look ok? Not damaged?
2. Have you tried another AC outlet?
3. Does the AC cord unplug from the radio?

When you operate the radio from the AC power cord, the radio uses an internal power supply consisting of a step-down transformer, rectifier, and filter that converts the AC to DC to operate the radio.

When you run the radio off of batteries, it powers the radio directly. In some radios, when you plug the AC cord into the radio, it activates a switch that disconnects the battery voltage to the radio so that the batteries wont be damaged from the voltage created by the internal supply.

The radio can be powered by either the batteries or the internal supply. You don't want either supply affecting the other, so that is why a switch is sometimes used.

Since the radio works fine off of batteries, that would indicate that there is a problem with the internal power supply. This could be a blown fuse, bad transformer or bad rectifier diode.

Good Luck,
- Jim

Jan 24, 2008 | GE Superadio III AM/FM

1 Answer

Intermittent Power Problem when playing CDs


Hello db1964,

I have a cdf-e75 that had a similar problem, although the red power light was dim for all functions. (the radio, tape and cd)
After opening up the unit and inspecting, I found one of the pins on the printed circuit board for the power had broken away from the solder. (it is a tiny board where the AC connector is soldered to) Seems in my unit there is nothing securing the molded AC connecter to the plastic case except the the printed circuit board it is soldered to-It is a poor design; perhaps your is the same? I suspect over time pushing the AC cord into the back of the player may have broke the connection? Anyway, I soldered the connection and I have never had any additional problems as the unit has worked fine since.
Don't know if this helps, but my suggestion would be to open the unit and inspect the pin connections on the AC printed circuit board to see if any have a loose/broken connection. ( Mine was not noticible with the naked eye as I had to use a magnifying lens and a bright light. Hope this might help.

Dec 21, 2006 | Sony CFD-E95 Radio/Cassette/CD Boombox

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