Installing The Circuit Board And Parts; Installing The Sy-253A Board And The Pu-102A Board - Sony BKMA-U70XGI Manual

2-1. Installing the SY-253A Board and
the PU-102A Board
General Information for Installation
Shut down the system and turn off the main power of the
MAV-70. Wait for one minute or longer before starting the
installation as described below.
Installation
1. Turn off the POWER switches A and B of the MAV-
70.
2. Remove the four screws of the slot No. 7 and remove
the SY-253 board.
BVTT3 x 6
BKMA-U70XGI

Installing the Circuit Board and Parts

MAV-70
SY-253 board
BVTT3 x 6
BVTT3 x 6
Board lever Board lever
1 1
Section 2
3. Remove the two or five screws, and remove the CCM-
37 board or the BKMA-7070 (CCM-38 board).
. . . . . Removing the CCM-37 board
CCM-37 board
SY-253 board
. . . . . Removing the BKMA-7070 (CCM-38 board)
CCM-38 board
SY-253 board
PSW3 x 6
PSW3 x 6
PSW3 x 6
2-1 (E)