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B301 (M4Z28-BR00SH1) on the PU-102 Board
Replacement
A
B
C
D
E
n
The battery B301 (M4Z28-BR00SH1) backs up error
information of HDD.
This data is lost at the time when the battery is removed.
Before replacing the battery, store the error information of
HDD in a personal computer. (For the backup, refer to "1-
4. Uploading and Downloading the Contents of Memory
(PU-102 board)".)
If error information is lost, video/audio noise may be
caused when an error containing file is played back.
Replacement part
Part name :
Mold-type lithium battery
Part number : 1-528-749-11
MAV-70
F
G
H
J
K
1
2
3
4
5
6
B301 (on IC301)
7
8
Removal procedures
1. Store the error information of HDD in a personal
computer. (For the backup, refer to "1-4. Uploading
and Downloading the Contents of Memory (PU-102
board)".)
2. Remove the PU-102 board. (Refer to the Section 2-5-
10.)
3. Insert a tip of a flat-blade screwdriver between IC and
battery to remove the battery.
M4Z28-BR00SH1
IC
Mark
Installation procedures
1. Align a new battery with the mark of IC, and insert it.
2. Install the PU-102 board in its original slot.
Setting after replacement
Download the stored error information of HDD from the
personal computer. (For the downloading, refer to "1-4.
Uploading and Downloading the Contents of Memory
(PU-102 board)".)
2-4. Replacement of Main Parts
Mark
Flat-blade screwdriver
2-17 (E)
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