Question about Denon Televison & Video

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DENON ADV-500SD power supply faulty, can you please guide me in the right direction, of the common componet falures... I am a car audio repair technician.. Many Thanks

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Check the caps on the 12v 5v side

Posted on Aug 28, 2008

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How do you clean the optical lens

You can buy sens cleaner disc from most of the electronic spare part selling shops. buy one and insert it into the player. It will clean the optical lens automatically. The disc won't cost more, and can be used repeatedely.

May 22, 2012 | Denon ADV-M71 DVD Player / Receiver

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Denon DVD757 manufactured in 2006. Won't power on at all. I have the lid off and have tried different outlets. any other ideas?

I hate to say it, but if the unit won't power on at all, regardless of the wall socket it is plugged into, that it is a general failure of the switchmode power supply, which, unless you are 'tech. savvy' or have relevant electronics experience with PSUs, will require repair by an authorised service technician in a fully equipped workshop - one which specialises in Denon product sales and service.

However, you say you have 'the lid off' (I love that description) and plugged into different outlets. While you have the top cover off, and unit unplugged from the wall, you can examine (at least visually) all the electrolytic capacitors in the power supply; look for any bulging, crooked or leaky ones. These may be the primary cause of the failure in the PSU and since these are inexpensive components they can easily be replaced (they are not surface-mounted on the copper side of the board), either by yourself or by a workshop if you have no electronics experience.

This unit may be repairable, but at a cost. Get a quote from a service centre on the likely cost(s) to fix this unit so that you can make a firm decision on that basis. If you do go this route, insist on a technician's report from the workshop after repair and a written guarantee on the work done. This is up to you.

Denon is a quality brand and they have made many great audio/visual products over the last 20 years or so. Worth pursuing if you really want it repaired properly, irrespective of the age of the appliance.

Mar 22, 2011 | Denon DVD-757 DVD Player

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Is there a user guide for a dgtec dg-sd160dvr+hdd+dvb-t dvd recorder


You can download the user guide for Denon DVD 758 recorder from the link below :

User guide Denon 758

Just give rating for four questions . Then you will find download the user guide button. Click it and download it .

Hope this helps.


Feb 12, 2011 | Denon DVD758 Recorder

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Denon dht-500sd Cinema Systems is say no disk when there is a disk in the drive someone please help

That meen it can not read or detected the disc inside, usually is the laser assembly or spindle motor defective or simply got dust on the lens you need qualifier Tech to open and clean if it is success other wise it need to replace a new DVD deck assembly
I hope that geve you some ideas

Dec 07, 2008 | Televison & Video

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I just doesn't load/read CD's.

I had the same problems with my four year Denon DVD-3910 and the only solution to it was to replace the laser unit with a new one.

There are some repair service on EBay that offer new laser units for only about 50 € and are also willing to change the laser unit for an extra charge of just 30 €.

After this replacement your Denon DVD-3910 will work fine again.

Sep 10, 2008 | Denon DVD-3910 DVD Player

2 Answers

Power switches off for no apparent reason

Fixed it!!!

After I've spend quite some time wasting my time trying to find a solution on these pages, below an actual SOLUTION!!! (after a visit to one of my electronic "boff" buddies:

There's a 15V Zener Diode in the player (D1048 on the board) just next to the power supply (in the "COLD") area of the bottom circuit board.

Replace this with any 15V rated diode, and viola!!! Just keep the wattage right. If you don't know how to use a multimeter, tough.

Should cost you around R0.35 (South African)....too little in US Dollars to even mention (exchange rate's 1:8), so maybe 2c?

Problem is that this diode loses it's "filtering" capabilities after a while, not giving enough power through to the spinning motor.

"No Spin" = "no Disk read = "Power Down".

That's plain English enough I


Tobie Steyn.

PS: If you don't have a solution. please don't post "mine's buggered as well" - it's not helping anyone, *******.

Dec 04, 2007 | Denon DVD-1710 DVD Player

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