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Old 18th February 2009, 03:53 PM   #1
negus73 is offline negus73  Italy
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Unhappy Sony SCD1 "no disc" problem

Hi, that's my first post here
I've a SCD1 SACD player (firmware 2.53). Sometimes, whit a lot of discs, the player can't recognize the media and print "no disc" message on display.
The problem occurs with both CDs and SACD with irregular intervals. After the crisis it back to read normally, until the next problem that can occur after a minute or two days later.
Someone knows the reason for this? It's a know SCD's bug?

Someone has had experiences similar to this and knows how to resolve the issue (I would take it into a service center already knowing the cause of the problem!)

I know that there are test discs. Someone knows where to find them and how much it cost?
they are here:

SATD-S1 Optical Pickup Height Adjust disc.
SATD-S2 Reference disc single layer
SATD-S3 Reference disc dual layer
SATD-S4
Reference disc TCD-784

Please hel me!! What can I do?
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Old 9th June 2009, 12:36 PM   #2
fas948 is offline fas948  Germany
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Did you solve your TOC error on your SCD-1?
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Old 9th June 2009, 02:37 PM   #3
infinia is offline infinia  United States
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Laser's going south on vacation soon
Replacement and re-align.
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Old 9th June 2009, 03:22 PM   #4
fas948 is offline fas948  Germany
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Hi, it could be the laser or one of the motors on the transport area. This is an easy fix (for someone who knows these models inside-out) and the Sony dics are not needed to get these models working like new.

Anyway, I just want to find out if negus73 got his SCD-1 fix so I can help him in case heís still having the problem.
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Old 9th June 2009, 03:38 PM   #5
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My Sony SCD-777 developed similar problem; besides what mentioned in post #1, sometimes it also stops reading discs while playing.

If that can't be easily fixed, any suggestions where to get the new laser?
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Old 9th June 2009, 05:59 PM   #6
fas948 is offline fas948  Germany
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Quote:
Originally posted by Peter Daniel
My Sony SCD-777 developed similar problem; besides what mentioned in post #1, sometimes it also stops reading discs while playing.

If that can't be easily fixed, any suggestions where to get the new laser?

I wrote these comments on another forum in the past.

Everything time the RF or Main boards or laser unit are replaced, a set commands need to be executed in order for the player to work properly. All this is on the service manual. The player need to be set to ADJUSTMENT-1 MODE (page 11) and Overall Adjustment (Page 15) need to executed using the remote control keys (check the number codes, execute 62 first to clear the previous values and then 60-follow the full procedure described on page 15) THE SONY DISCS ARE NOT NEEDED, ALL YOU NEED IS A REGULAR CD AND A SINGLE LAYER SACD.

This process also applies when you swap these boards between players unless you swap the RF and Main boards at the same time.

The service manual for these models (SCD-1/SCD-77) is well written and it gives all the information needed to get them working like new. However good understanding on the technical terminology used is a must requirement. Many people donít realize or forget that these models have many electronic components like the ones found on computers, and like computers peripherals you need to adjust bios/rom/cpu chips to get them working properly.

Replacing the laser unit without executing the adjustments will produce the problem you described and it is only a matter of time before the player stops working.

Good luck

Ps. I live in Europe, but in NA you can try http://www.nexttronics.com/ to get spare parts or just google the part number.
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Old 23rd June 2009, 10:04 AM   #7
Homeros is offline Homeros  Sweden
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I have a similar problem with SCD 555ES (the European model).

The player canít play the SACD layer on some hybrid discs, especially if the player is warmÖ
I replaced the optical pick-up (KHM-230AAA) still with the same problem.

The service manual for the 555 states that itís not needed to align or calibrate the laser after replacing the optical pick-up.
Iím starting to believe that itís the main board that is causing this problem. I was reading in another thread/forum that you could redo the soldering for the components on the main board and that would solve this issue. Havenít tried that one yet do Ö
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Old 10th July 2009, 08:07 AM   #8
Matt63 is offline Matt63  Canada
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Default SONY SACD drive

I have a SACD/CD transport using the same drive mechanism as the SCD-1 and SCD-777ES. It can't play SACD layer now. Can it be fixed by changing the drive? What is the part number of the drive? Any input is much appreciated.
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Old 15th July 2009, 09:41 AM   #9
fas948 is offline fas948  Germany
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I have never tried a different drive, and I have my doubts that any drive mechanism other than the one specifically designed for the SCD-1/SCD-777 will work properly.

Sony does not sell the entire transport unit as a spare part, you can only get individual parts for it.
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Old 15th July 2009, 06:56 PM   #10
ctong is offline ctong  United States
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fas498,

I had Sony replace the drive on my SCD-C555ES while it was under warranty. It began to have problems playing the SACD layer of some hybrid discs.

The next time this problem occurs the player wouldn't be under warranty. Do you think it would be useful to realign the drive? Or I would need a new one?
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