GBC FusionPunch II, Service Manual

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GBC FusionPunch II Service Manual
REP 3.1 Little Star Controller PWB
12/2003
4-4
REP 3.1 Little Star Controller
PWB
Parts List: 3.1
WARNING
Switch off the main power. Disconnect
the power cord.
Electrostatic Discharge
The Controller PWB is susceptible to
damage from electrostatic discharge. Observe all
ESD procedures to avoid component damage.
Removal
1. Remove the Punch Rear Panels.
2. Disconnect the ribbon cables that go to the
Little Star Expansion PWB.
3. Disconnect P/J 1 and 3 from the Little Star
Controller PWB.
4. Remove the 4 Allen Head Cap screws and the
Little Star Controller PWB.
5. Remove the EPROM and the RAM chip from
the old PWB.
Replacement
1. Install the EPROM and the RAM chip with the
notch on the chips aligned with the notch on
the socket.
2. Compare the Jumpers on the existing PWB
with the Jumpers on the new PWB. Install
Jumpers to configure the new PWB.
3. Reinstall the components in the reverse order.
BL
AC
K
G
R
EEN
1
JP6
JP1
1
JP4
OR
A
N
GE
BL
U
E
WH
IT
E
Y
E
LLO
W
G
R
EEN
BL
AC
K
BR
O
W
N
RE
D
BL
U
E
WH
IT
E
Little Star Controller PW B
7610457
1
JP2
G
R
EEN
LCD
BL
AC
K
OR
A
N
GE
OR
A
N
GE
BL
U
E
WH
IT
E
BL
AC
K
BR
O
W
N
RE
D
O
R
G
& YEL
BL
U
E
WH
IT
E
OR
A
N
GE
Y
E
LLO
W
G
R
EEN
BR
O
W
N
RE
D
JP5
RA
M
EPR
O
M
1
JP3
RE
D
OR
A
N
GE
Y
E
LLO
W
BR
O
W
N
J3
J1
To Daughter
PW B P/J 2
To Little Star
Expansion PW B
JUMPERS
Figure 1.