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Service Bulletin
No. : OST-823
Date: April 27, 2007
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Model: DVD-1000
Subject: Change in Optical Pick-up. (HOP-1000 or 1200R HOP-1200RN)
Symptom: Regarding subject models, the HOP-1200R has changed again to
HOP-1200RN due to discontinuation of the production of the Optical Pick-up.
Solution: The replacement procedure is divided into the following two
patterns when the HOP-1000 or HOP-1200R is replaced with HOP-1200RN.
When replacing the HOP-1000 with HOP-1200RN. (HOP-1000 HOP-1200RN)
The procedure to replace the HOP-1000 with the HOP-1200RN is the same as
the procedure described in the OST-741, except the version of the ROM and the
TRAVERSE MECHA Unit. Therefore, please refer to the OST-741 for details.
1) Outline of the procedure to replace the HOP-1000 with HOP-1200RN:
(1) Removing the DVD Mecha Unit from the unit
(2) Replacement of DRV ROM, resistors, capacitor and TRAV/UNIT
(3) Assemble the DVD Mecha Unit
(4) Confirmation of the version and the actual operation.
Note: In the case of the DVD-1000, the DRV ROM can not be rewritten by means
of CD-R or CD-RW.
2) Details of the procedures to replace the HOP-1000 with HOP-1200RN:
(1) Removing the DVD MECHA Unit from the main unit: DVD-1000 and DVD-
F100: Refer to pages 8 to 10 in the Service Manual (X-0086), and remove the
MECHA Unit from the main unit.
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(2) Replacement of the following TRAVERSE MECHA, DRV ROM, six chip type
resistors and capacitor. (The following "Ref. No." shows the reference number in
the circuit diagram.)