Sony CA-590 User Manual

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Internal Boards and Switch Settings
9
Internal Boards and Switch Settings
To reduce the risk of electric shock, fire or injury, do not open the cabinet. To adjust the internal settings, refer to qualified 
service personnel.
 
Note
CA-590/590P
Unscrew the four screws.
MD-132 board (no switches)
TR-132 board
MA-128 board
AU-294 board
CA-590/590P
Unscrew the four screws.
DM-139 board
MB-1019 board