Question about RCA RS2650 Shelf System

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Power Problem Well after a certain amount of time the unit wont turn back on from standby and the clock is frozen also. the only way i can get it to turn on is to unplug it and then plug it back in. its not even a year old and it was a gift for my mom cause i blew out her stereo (woops). Shes really dissapointed and i was just hopin to find out an easy way to fix it.

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Re: Power Problem

Its not a typical repair that a do it yourselfer can do unless youve had troubleshooting experience on microprocessors. Your problem could be the 5 volt power supply is not filtered clean when it warms up or the reset voltage falls too low for the micro. good luck

Posted on May 19, 2006

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I have a gpx hm3817dtblk shelf system and i was wondering if you can get the alarm to play a cd instead of the radio or if you can do either one and how? Or does it even have an alarm?

The manual:

Page 6>>>>

Setting the Clock
a. Press the STANDBY button until the unit is in standby mode.
When the unit is in standby mode, the STANDBY button will be red.
b. Press the CLK ADJ. button. The time will begin to blink.
c. Press the HOUR and MINUTE buttons to adjust the hour and minute.
d. Press the CLK ADJ. button to set the adjusted time.
Setting the Alarm
a. Press the STANDBY button until the unit is in standby mode.
When the unit is in standby mode, the STANDBY button will be red.
b. Press the ALARM SET button. The time will begin to blink.
c. Press the FUNCTION button to seleect CD, Radio, AUX, or Buzzer.
For Buzzer mode, the display will not show any indication.
d. Press the HOUR and MINUTE buttons to adjust the hour and minute.
e. Press the ALARM SET button to set the adjusted alarm time.
An alarm clock icon will appear on the LCD Display when the alarm is set.

Jan 03, 2011 | GPX HM3817DTBLK Shelf System

3 Answers

Stuck in standby

You can reset all to factory settings, which may help; unplug power, put back in switch on with power button. Then press together "tape", "CD" and the power button. You may need to reset the clock before it will work. If you need the manual, here is the link; check page 26 for the reset if not clear - nothing else in there that seems to be related, but you may find something i missed. Hope this helps :)

Jul 01, 2007 | Sony CMT-CPX11 CD Shelf System

2 Answers

Unit does not turn on or display time

do you mean a power surge, if so the surge may have overloaded the elctronics,=cooked ,so afraid is u/s

Jul 07, 2010 | Fisher SLIM-3010 Shelf System

1 Answer


RTFM: Page 13:

"A demonstration of the display is shown if you have not set the
clock. You can reduce the power consumed in standby mode by turning the demonstration off.
While the unit is on:
Press and hold [–DEMO] until “NO DEMO” is
Each time you press and hold the button:
NO DEMO (off) DEMO (on)

This is a 24-hour clock.
The example shows how to set the clock for 16:25 (4:25 p.m.).
1 Press [0/I] to turn the unit on.
Press [CLOCK/TIMER] to display “CLOCK”.
Each time you press the button:
CLOCK>>PLAY>>REC>>Original display
Within 5 seconds
Press [SET].
Press [TUNING (Up or Down)] to set the time.
The time display can be changed in one minute units by tapping
the buttons, and quickly by holding down the buttons.
Press [SET].
The time is set and the original display is restored."

Or under Troubleshooting Page 38:

"The display starts up even after the unit is turned off.

The demonstration feature (–DEMO) is on. Turn it off if it is not required."

If you need the manual go to
register and get it for free.

Mar 25, 2010 | Technics SC-EH780 CD Shelf System

1 Answer

Radio turns on at midnight automatically, I do not have manual to unprogram this

To shut off the timer function (turns the unit on at a certain time):
Press the timer button (on the system itself) until the little clock icon disappears from the units display. This deactivates the timer.
Alternatively, you can reset the system to factory default (clear all user inputs and setting from memory)by:
Start with the power on
Turn the unit of using the power button.
Turn the unit on while pressing the Stop/Clear button.

Here is a link to a PDF version of the manual free to download:


Jan 21, 2010 | Aiwa NSX-AJ20 CD Shelf System

1 Answer

Sony LBT W5000

According to Page 46 of the LBT-W5000 Operating Instructions:
"The display stars flashing as soon as you plug in the power cord even though you haven't turned on the system (demonstration mode).
Press DISPLAY (for LBT-W5000 / W300 / XB700 / XB500) or DEMO (STANDBY) (for other models) while the system is off. If the system is in the Power Saving mode, press POWER SAVE / DEMO (STANDBY) (for LBT-W5000 / W300 / XB700 / XB500). The demonstration appears automatically the first time you plug in the power cord, or if there is a power outage lasting longer than half a day."
I tested this today, as my LBT-W5000 was in Demonstration Mode. It definitely works. The only catch is (at least on the W5000), and it's a minor one, you have to reset your clock afterwards.

May 29, 2009 | Sony LBT-W5000 Shelf System

1 Answer

Cd shelf unit stuck in standby

my rca 5 disc changer stuck in standby

Dec 12, 2008 | Audio Shelf Systems

2 Answers


Try unplugging unit for 24 hours then, retry. Unit may also have problem in standby circuit, have serviced

May 06, 2008 | Kenwood HM-331 Shelf System

3 Answers

Sony demo

Had the same problem. The display of the home cinema system kept showing "sony demo". I went to the system menu and reset all settings to factory!

Nov 20, 2007 | Sony CMT-M100MD\W CD Shelf System

1 Answer

Clock frozen

It certainly sounds like a defect and I believe would qualify as a warranty repair. Talk to the store where you purchased it to see what their warranty procedure is before it is out of warranty, which can be as little as 90 days. Good luck.

Nov 26, 2005 | RCA RS2650 Shelf System

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