4-51
DSR-300/P(E)/V1
B3
x
8
Rear panel assembly
B3
x
8
MB-753 board
CN13
Connector
DC-DC
converter unit
4-35. REPLACEMENT OF DC-DC
CONVERTER
Removal
1. Remove the four screws of the Rear panel
assembly.
2. Pull out the CN13 connector of the MB-753
board from the DC-DC converter in the arrow
direction.
Attachment
3. Attach a new parts in the reverse order of steps 1
and 2.