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Optical drive
(1) Optical block assembly
(2) Loader assembly
This table does not describe the guarantee period of part.
The replacement period of each part is changed according to the environment and condition.
Loca-
Part name
tion
No.
HEAD ASSEMBLY
*1
(1)
(XDH-421) (RP)
HEAD ASSEMBLY
(XDH-422) (RP)
(2)
LOADER ASSEM-
BLY (RP)
*1:
Two types of optical block assembly: XDH-421(RP) (A-1837-582-A) and XDH-422(RP) (A-2218-177-A) are available. Check the
package version of your PDW-HD1550 (referring to
•
For package version 1.63 or later: XDH-422 (RP) (A-2218-177-A) is recommended. It can also be XDH-421 (RP) (A-1837-582-
A).
•
For package version earlier than 1.63: XDH-421(RP) (A-1837-582-A)
-
When the package version is upgradable, upgrade it to version 1.63 or later and use XDH-422(RP) (A-2218-177-A).
-
If the package version is not upgraded for customer's reasons, use XDH-421(RP) (A-1837-582-A).
•
To replacement to the XDH-422(RP) (A-2218-177-A), package version 1.63 or later is required.
When the XDH-422(RP) (A-2218-177-A) is attached to a firmware drive unit other than above and the optical drive system is
adjusted, a message "ADJUSTING...FAILURE" appears during the LD IL adjustment.
•
Package version 1.63 or later is compatible with both types of optical block assembly shown above.
*2:
This is not the actual number of disc insertion times because the loader up/down count is converted to the normal loading operation.
PDW-HD1550
Sony Part No.
Hours Meter
(Menu Item)
Laser parameter
A-1837-582-A
(LASER PARAME-
TER 0)
A-2218-177-A
Number of disc inser-
A-1837-583-A
tion times
(LOADING COUN-
TER)
"3-2-1. Software
Version"), and then select the replacement part.
Check/replacement
period
Replace every about
7000
Replace every about
*2
110,000 count
Refer-
ence
section
6-7-7.
6-7-5.
5-3
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