M3028BT2-CPE User’s Manual
2. Setup
REJ10J1457-0300 Rev.3.00 July 22, 2009
Page 39 of 90
2. Replacing Oscillator Circuit Boards
Figure 2.17 shows how to replace the oscillator circuit boards.
Oscillator circuit board
MADE
POWER
SW1
COMPACT EMULATOR
IN
T
JP
1
5.0V
JP
2
3.
3
V
EX
T
CLOCK
RESET
RUN
LED3
LED6
LE
D5
LED
4
POWER
LED1
SAFE
LED2
M3028BT2-CPE
POWER USB
5.0V
5.0V
3.3V
MC
U
PO
W
ER
EXT
INT
JP2
JP1
STATUS
SYSTEM
STATUS
TARGET
MADE IN JAPAN
COMPACT EMULATOR
POWER
SAFE
POWER
CLOCK
RESET
RUN
The oscillator circuit board of the emulator is in the lower right
corner of the board.
Unscrew the screw securing the oscillator circuit board.
Lift off the oscillator circuit board.
Attach the oscillator circuit board for replacement to the
connector of the emulator.
Secure it with the screw.
Figure 2.17 Replacing oscillator circuit boards
CAUTION
Note on Replacing the Oscillator Circuit Board:
z
When replacing the oscillator circuit boards, be sure to shut OFF the power supply. Otherwise the internal
circuit may cause a break.