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CDR300. After 5-10 minutes CD error occurs which clears if recorder allowed to cool down. The fault then recurs when the recorder warms up. Sounds like an electronic failure. Where can I obtain circuit schematics ?

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Service manuals are available from the following site:

http://www.superscopetechnologies.com/service/parts.shtml

Dan

Posted on Aug 08, 2008

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Hi my traxdata cd900 recorder has just developed a problem. Ive been using maxell cdr's most were fine but lately:- a) optical failure error occasionally occurs b) will happily record approx 15 mins...


First to confirm if its a transport problem play a CD from track 1 to the last. If it is not getting stuck and smoothly plays till the end -- transport is OK. The same laser unit which reads the disc also writes. But when it writes the laser intensity is several times higher and the unit runs very hot. And old unit will start to misbehave due to the heat. TIME FOR REPLACING THE DRIVE UNIT.

Mar 10, 2011 | Audio & Video Receivers

1 Answer

It gets hot with 30 minutes of use, does it have an internal cooler?


The picture I found
http://images.amazon.com/images/G/01/electronics/detail-page/rxd201s-6-lg.jpg

and the specs
http://www.backoffice.be/prod_uk/JVC/rx-d201_jvc_rx-d201_av_receiver_7.1_channel.asp

Make me wonder what method of cooling it does employ since it has no visible cooling vents on the top or back. If you CAN locate the convection vents, clean off any dust and make sure there is clear airflow to them.

It only consumes 150 watts of power so it shouldn't create a lot of heat.

Many amps run warm. Hot is usually bad. Is it failing?

Feb 14, 2011 | JVC RX-D201 Receiver

1 Answer

Will shut off completely even bypassing standby mode after about 10 minutes of tv input with the new samsung 3d led tv. this does not happen with other equipment such as the cd player. all cables are...


Hi, This sounds very interesting.
Here is what I would do.
1 I would, if you haven't done this already, connect the samsung into a different input. If you have a Video Input for a Laser Disk Player or VCR use the composite (yellow) from the DVD and analog left and right through the same. See what happens.
Additionally if your receiver has a "phono" input DO NOT USE THAT. It is super sensitive. Phono requires around 5/1000th of a volt for full output. Where as the CD, Aux, VCR and others require 1 volt for full output. An input overload condition will occur. That can shut down the receiver.
If you are having your receiver shut down with the samsung TV attached to a high level input, then the fault is definitely with the TV. It is defective. In this case contact samsung.
Here's the link
http://www.samsung.com/us/support/
Hope this helps.
Best Regards,
Mark

Jan 04, 2011 | Harman Kardon AVR 55 Receiver

1 Answer

Set keeps shutting down .this amplifier shuts down in about 30 seconds after turning it on


It could be that the amp's overload protection circuit is being triggered by a feedback loop or other problem, such as a shorted or bad cable connection. Turn off the power and unplug the receiver. Look for problems, starting with shorted speaker wires or cables. Then make sure the receiver's not still hot (wait 5-10 minutes to let it cool), and remove obstructions or anything blocking the top vents. Plug it back in and power up again. Immediately change the Source selector to something unconnected, and turn the Volume DOWN just in case there's a feedback loop (hum/squeal/noise that can overload things and cause the protection circuit to trip again). If you can see the display, go to a low level (around -50dB should be fine) before the delayed speaker amp output clicks on. Then carefully switch back to the problem source -- if that's the problem, switch off again immediately and re-check all of the cable connections at both ends, the receiver and the source component.
Make sure you don't have a feedback loop due to a recording device feeding back a signal. All VCRs and CD/DVD-recorders should be hooked up to the VCR, DVR or TAPE/CD-R "IN/OUT" jacks with IN being connected to the cables marked OUT on the deck and vice versa. (That confuses even us experienced guys sometimes!)
Also, no MONITOR video or audio outputs should be connected to the recording decks, nor should the TV outputs be fed back to the recorders. The same goes for the digital IN/OUT jacks for CD recorders; use only the same number IN as OUT for each component (For example, Optical IN/OUT #4 and #5 are the two digital IN/OUT pairs on the Denon AVR-380X series.)

Jan 28, 2010 | Yamaha HTR-5850 Receiver

1 Answer

Denon avr-1706 receiver just shuts off


This sounds like the amps protector circuit has been activated due to thermal overload. switch it off for an hour or more to let it cool down, make sure your spkrs are connected properly, don't parallel. Try using a fan on the unit to get that heat away. Get a techie friend to give the insides a once over, and clear away any dust that has built up.

hope this is of some help,
Cheers Kimbo.

Sep 12, 2009 | Denon AVR-1706 Receiver

6 Answers

When "cold", my Phillips cdc935 skips on the first track, only, of many of my cds. After warming up that is no longer a problem and successive cds, including the first one played, do not skip.


Hi,
Open CDC-935 player and clean sled section (that moves optical lens left-right) as it seems dusty and causing skipping of cd tracks.

Hit "add a comment" button for further query / info.
Thanks.

May 04, 2009 | Audio & Video Receivers

1 Answer

WILLNOT REPLY DISC THAT IDRECORDED ONTHIS PRODUCT


I feel for you. I've had the same thing happen with my own CR recordings and I can't imagine why the creating unit has problems while others do not. On the CD's I have trouble with there is usually some unevennesss in the reflective surface after recording rather than a nice uniform appearance. I'm betting that means something like uneven tracking while laying the data down.

Bite the bullet and rerecord the CD or try this - use a CD copy application on your PC. I use Sonic. The copying process can spend more time recovering errors than normal playback allows. Or try file copying. One function or the other might get back most if not all of your music.

May 04, 2009 | Audio & Video Receivers

1 Answer

Intermitant problem after recording.


ok first thing do not put a cd lense cleaner in the machine this will ruin the optical lense imagine being slapped round the face with a yard broom same thig very abrasive .what type of discs are you using /and how old are the discs and the player/recorder code C13 Mean cant see t.o.c lead in / C14 means laser voltage is low . if the iscs that you are using are dark in colour old type the dye has gone bad if new recently purchased and a good brand like tdk or maxell they do the same the optical assembly is shot . regards kirk

Dec 09, 2008 | Onkyo TX-SR303 Receiver

1 Answer

Every time i ty to burn a cd i get an error message saying slow down recording speed or try another brand of disc i have done this but i still get the same message


Get a CD laser cleaning kit and clean the laser. If this does not work I strongly suspect the laser is going weak and can no longer properly burn in to the disks. I doubt it is a software fault. The fix is to change the drive to prove that the drive's laser is actualy going bad.


Jerry G.

Nov 01, 2008 | Audio & Video Receivers

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