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Switches
CAUTIONS:
These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric
shock do not perform any servicing other than that contained in the operating instructions unless you are
qualified to do so.
Removing the boards
Follow the steps below to remove the BS-DIGITAL board and BS-AUDIO board when selecting the positions of the switches for the
intercom system, MIC output level, etc.
Screws (4)
PUSH
20
1.
2.
Metal
fitting
Screw
3.
White cable
BS AUDIO board
BS DIGITAL board
Remove the four screws from the front panel of the AJ-
BS901.
Pull the front cover forward to disengage it. Remove the
screw shown in the figure on the left, and remove the metal
fitting. (The screw cannot be removed from the fitting.)
Remove the BS-DIGITAL board and BS-AUDIO board. To
remove the BS-DIGITAL board, disconnect the white cable
shown in the figure on the left once the board has been
drawn out somewhat.
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