Renesas R0E521000EPB00 User Manual page 41

R0R521000EPB00 User's Manual
Unscrew the screw of the oscillator circuit board of the PC7501 and replace it (see Figure 2.18).
Figure 2.18 Replacing oscillator circuit boards
Reinstall the upper cover once removed and secure the four screws of the PC7501.
When Removing the Upper Cover:
Always shut OFF power when removing the upper cover or changing the oscillator circuit board. Otherwise the
internal circuit may be damaged.
REJ10J0844-0400 Rev.4.00 October 16, 2007
Page 41 of 88
The oscillator circuit board of the PC7501 is in the lower right corner of the
board.
Oscillator circuit board
Unscrew the screw securing the oscillator circuit board.
Lift off the oscillator circuit board.
Attach replacing oscillator circuit board to the connector.
Secure the new oscillator circuit board with the screw.
CAUTION
2. Setup