Sharp ER-A880 (serv.man6) Service Manual ▷ View online
<ER-A880>
Boss
No.
Screw parts code
Fixing position
Fixed
2
XEBSD30P08000
PWB ANGLE-LCD
UNIT-TOP CABINET
UNIT-TOP CABINET
4
6
7
XBBSD30P04000
HOLDER-PWB
ANGLE-TOP CABINET
ANGLE-TOP CABINET
8
XEBSD30P08000
PWB ANGLE-LCD
UNIT-TOP CABINET
UNIT-TOP CABINET
9
XBBSD30P04000
HOLDER-PWB
ANGLE-TOP CABINET
ANGLE-TOP CABINET
F
XEBSD30P08000
PWB ANGLE-LCD
UNIT-TOP CABINET
UNIT-TOP CABINET
H
XBBSD30P04000
HOLDER-PWB
ANGLE-TOP CABINET
ANGLE-TOP CABINET
I
XEBSD30P08000
EARTH SPRING-PWB
ANGLE-LCD UNIT-TOP
CABINET
ANGLE-LCD UNIT-TOP
CABINET
L
CLERK KEY ANGLE-PWB
ANGLE-TOP CABINET
ANGLE-TOP CABINET
M
N
PWB ANGLE-LCD
UNIT-TOP CABINET
UNIT-TOP CABINET
P
Not
fixed
fixed
1
3
5
G
J
K
O
Q
8. Removing and replacing the LCD
unit (ER-A850)
1) Remove the four fixing screws
3
of the display unit from the top
cabinet
1
.
2) Remove the two fixing screws
4
of the LCD unit in the display unit.
3) The LCD unit is assembled with seven pawls. Remove the pawls
in the order of
a
to
g
as shown in the figure.
1
2
3
b
a
c
d
e
f
g
LCD cabinet hear side
4
3
9. ER-03MB & ER-04MB
1) Remove the top cabinet.
2) Attach the spacers
1
,
2
and
3
to the memory PWB.
3) Connect the memory PWB to the main PWB.
4) Fix the memory PWB to the main PWB with a screw
4
.
10. ER-A8MR
1) Remove the rear cover.
2) Fix the MCR angle to the lower cabinet with two screws
1
.
3) Connect the MCR cable
2
to the MCR expansion cable
3
.
11. ER-A8RS
1) Remove the rear cover.
2) Insert the I/F PWB
1
to the ISA BUS connector.
3) Fasten the bracket to the main chassis using screws
2
.
4) Connect the RS232 cables to the I/F PWB.
1
2
3
4
4
1
2
3
2
ER-A8RS connection
1
2
4
12. ER-A8DP
1) Remove the rear cover.
2) Remove the panel
1
from the rear cover. And install the display
filter
2
to the rear cover.
3) Connect the display cable
3
to the main PWB and display PWB.
4) Install the display PWB to the cabinet.
13. ER-03DW
1) Remove the rear cover.
2) Connect the drawer cable
1
to the drawer connector
A
on the
main PWB.
ER-A8DP connection
1
2
ER-A03DW connection
1
1
2
5
14. Connecting the RS-232
connector and the SRN
connector (Standard parts)
connector (Standard parts)
1) Remove the rear cover.
2) Connect the RS-232 cable
1
and SRN cable
2
to the each connec-
tor.
3) Connect the end resistor (5 ohm, QCNCM7145RCZZ) to the
15. Cable wiring
•
When pulling out the cables of the ER-A850/A880, refer to the
following illustrations.
following illustrations.
1) When pulling out from the center:
2) When pulling out from both sides:
•
Both sides of the rear cover can be removed for easy removal
of the cables.
of the cables.
SRN cable connection
RS-232 cable connection
1
2
RS-232 cable 1
RS-232 cable 2
RS-232 cable 3
RS-232 cable 4
SRN cable
Drawer cable 1
Drawer cable 2
Drawer cable 3
Drawer cable 4
RS-232 cable 2
RS-232 cable 3
RS-232 cable 4
SRN cable
Drawer cable 1
Drawer cable 2
Drawer cable 3
Drawer cable 4
RS-232 cable 5
RS-232 cable 6
RS-232 cable 6
SRN cable
Printer cable
1
1
1
1
RS-232 cable 1
RS-232 cable 2
RS-232 cable 3
RS-232 cable 4
SRN cable
Drawer cable 1
Drawer cable 2
Drawer cable 3
Drawer cable 4
RS-232 cable 2
RS-232 cable 3
RS-232 cable 4
SRN cable
Drawer cable 1
Drawer cable 2
Drawer cable 3
Drawer cable 4
RS-232 cable 5
RS-232 cable 6
RS-232 cable 6
SRN cable
Printer cable
6
Display