Sony BVW-55 Maintenance Manual page 75

8 S201/SY-272 board: Maintenance mode start switch (MAINTE MODE START)
Press this switch to activate the maintenance mode.
9 S202-2/SY-272 board: Maintenance mode access permission switch (MAINTE MODE Access)
Set this switch to ON in advance when activating the maintenance mode by the button operation on
the control panel.
n
Remove the battery sub panel referring to Section 1-6-1 when operating the switches on the SY-272
board. Change the setting of DIP switch S202 with the power switch set to OFF.
BVW-55
1
2
3
7
Lower Control Panel
9 S201
Location of Switches on SY-272 Board
5
4
6
ON
OFF
SY-272 board
3-1. Overview of Maintenance Mode
0 S202
3-3