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Service Bulletin
No. : OST-817
Date: February 5, 2007
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Model: DVD-3800, DVD-9000
Subject: Change in Optical Pick-up (HOP1000 or 1200R to HOP1200RN).
Symptom: There is a change in the Optical Pick-up from an HOP-1000 to an
HOP-1200R. There has been a second change from an HOP-1200R to an HOP-
1200RN. This change is a result of the discontinued production of theHOP-
1200R Pick-up
Solution: Procedure for replacing the Optical Pick-up.
The replacement procedures are divided into the following two cases:
4-1. When replacing the HOP-1000 with HOP-1200RN.
4-2. When replacing the HOP-1200R with HOP-1200RN.
4-1. When replacing the HOP-1000 with HOP-1200RN: Contents of the
modification are the same as described in the OST-690R for replacing the HOP-
1000 with HOP-1200R, with the exception of the version of the DRV ROM.
Therefore, please refer to the OST-690R for details.
1) Flow of the Modification Procedures: (Common to DVD-3800 and DVD-9000)
(1) Rewriting the DRV ROM
(2) Confirming Version
(3) Re-moving the DVD-Mechanism
(4) Change in resistors and capacitor and replacement of the TRAVERSE/UNIT
(5) Assembling DVD Mechanism
(6) Confirming the Actual Operation.
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