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(4) Replacing the Oscillator Circuit Boards
Figure 3.6 shows how to replace the oscillator circuit boards.
Figure 3.6 Replacing the oscillator circuit boards
(4) Attach the J1 connector of another oscillator
circuit board for replacement to the connector
of this product.
(1) Remove the four screws of both sides of this
product and lift off the upper cover.
(3) Lift off the oscillator circuit board.
(2) Unscrew the screw connecting the oscillator
circuit board.
CAUTION
When Removing and Closing the Upper Cover:
• Always shut OFF power when removing the upper cover or setting the switches.
(5) Secure the oscillator circuit board with the
screw, and replace the upper cover and secure
the four screws.