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#269800 - 2017-11-13 21:36 Repair of 596 and 588 (DSL-710A)
Registered: 2017-11-13
Posts: 0
Barry_G Offline
Harmless
Barry_G Offline
Harmless

Registered: 2017-11-13
Posts: 0
Loc: Arnsberg, Germany
Hi, in 2011 I bought two DVD-ROM drives (DSL-710A) for my 588 and 596 as a precaution. I wanted to be equipped when the drives had to be changed.

As now the 596 more frequently indicated "No Disc", I installed one of the spare drives. Unfortunately also "No Disc" appeared. Extensive researches on the Internet have shown that the internal firmware of the drives is completely different.

For the 596 the firmware LK18 and for the 588, LO13 is originally programmed. The two new DSL-710A are based on a firmware called LT14 of the supplier company DSL, Korea. Unfortunately I cannot change the new lasers, because the drive shaft is on the other side. Also I can't change the circuit board, because it has slightly different ribbon cables. I do not know how I can get the appropriate firmware into the new drives.

I’ve heard that the laser is a Sanyo SF-HD3S but not sure if this will work. I can’t get it in Germany either. Later DSL-720A and DRL-200 drives have been used.

For now it would be fine to change the laser, because the drive works fine. But I would like to use my “music machines” for a longer period. Does anybody have an idea how I can solve this problem?

Regards Barry_G


551, 556, 504, 562.2, 588, 596 + Orange Audio Filter
B & W Signature 30, Cabasse Jupiter 350 (Sub)
Cabasse Sloop 500
Thorens 147, Revox A-77, Braun C2
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#269814 - 2017-11-14 08:35 Re: Repair of 596 and 588 (DSL-710A) [Re: Barry_G]
Registered: 2008-10-11
Posts: 217
Tarik Online content
Hitchhiker
Tarik Online content
Hitchhiker

Registered: 2008-10-11
Posts: 217
Loc: Gloucestershire, UK
Have you tried plugging the replacement drive into a PC to see if it reads discs?

It could be that the replacement is faulty as well.


Lounge: DSP5000 24/96, 518, C61R

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#269820 - 2017-11-14 09:24 Re: Repair of 596 and 588 (DSL-710A) [Re: Tarik]
Registered: 2008-10-11
Posts: 217
Tarik Online content
Hitchhiker
Tarik Online content
Hitchhiker

Registered: 2008-10-11
Posts: 217
Loc: Gloucestershire, UK
You could also try flashing the firmware after the drive has been installed.


Lounge: DSP5000 24/96, 518, C61R

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#269874 - 2017-11-14 21:26 Re: Repair of 596 and 588 (DSL-710A) [Re: Tarik]
Registered: 2017-11-13
Posts: 0
Barry_G Offline
Harmless
Barry_G Offline
Harmless

Registered: 2017-11-13
Posts: 0
Loc: Arnsberg, Germany
Yes, first I connected the device via RS232 which doesn't work. I took the new drive out and connected it to the computer. It
worked and I was able to find the volume of the wrong firmware in it.

This is what Meridian answered:
Quote:
Like you, if drives with inappropriate firmware come into our possession, we are unable to use them. Our solution was to buy all the refurbished drives we could find which were already loaded with appropriate firmware.

The program “Meridian.exe” is used to configure settings on 500 series surround processors, but it has no provision for accessing the firmware on ROM drives. Please note: the DVS firmware on the drive is completely independent from the firmware loaded to the product via the RS232 socket.

We used some batches of the DRL200 drive in place of the DSL7xx drives over the years. If it has appropriate firmware loaded, it can be used on 588 as well as 596. Some of our DRL200s had a slower eject mechanism, so they could struggle to open the drawer on 800 series players.

We are sorry that this situation has come to pass as we’d like to support all products we’ve ever made. However, commercial realities make this unfeasible.
Isn't there anybody with an idea to make a new drive work inside 596 respective 588?


551, 556, 504, 562.2, 588, 596 + Orange Audio Filter
B & W Signature 30, Cabasse Jupiter 350 (Sub)
Cabasse Sloop 500
Thorens 147, Revox A-77, Braun C2
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