Sharp ER-A770 Manuale utente
POS TERMINAL
MODEL ER-A770
(For "U"&"A" version)
1. Removing the rear cover......................................................................................... 2
2. Replacing the rear cover......................................................................................... 2
3. Removing the top cabinet ....................................................................................... 2
4. Replacing the top cabinet........................................................................................ 3
5. Removing the Noise filter PWB, Transformer and AC cord .................................... 3
6. Replacing the Noise filter PWB and Transformer.................................................... 3
7. Removing and replacing the keyboard unit............................................................. 3
8. Removing and replacing the LCD unit..................................................................... 4
9. Expansion RAM Board : UP-P02MB2..................................................................... 4
10. RS232 I/F: ER-A7RS .............................................................................................. 4
11. MCR unit: UP-E12MR............................................................................................. 5
12. Drawer box unit: ER-03DW/04DW.......................................................................... 5
13. Customer display: UP-I16DP .................................................................................. 5
14. Remote display: UP-P16DP.................................................................................... 6
15. How to extend display pole: UP-P16DP.................................................................. 7
16. SRN I/F: Standard...................................................................................................8
17. RS232 I/F: Standard ............................................................................................... 8
CONTENTS
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
SHARP CORPORATION This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
Example of wiring for all optional devices connected to the system unit.
UP-P16DP cable
Inline cable
RS232 cable
ERA-7RS (RS232) cable
Drawer earth cable
AC cord
Drawer cable
>>>>> USE FONT <<<<<
Helvetica/ Helvetica-Condensed/ Century-Schoolbook/ Symbol & OriginalFonts: (RingWorld2/RingFont2/Pa
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Precautions
•Before installation, be sure to disconnect the AC power.
•Use gloves to protect your hands from being cut by the angle
and the chassis.
•Connect all the cables securely. When connecting or
disconnecting the cables, be careful not to apply stress to the
cables. (It may cause disconnection.)
•Ground the human body to eliminate static electricity. When
assembling the LCD, use a discharge blower to prevent the
introduction of dust.
•Be careful when working near the high voltage transformer.
1. Removing the rear cover
1) Remove the two screws fixed on the lower cabinet.
2) Remove the rear cover .
2. Replacing the rear cover
Install the rear cover in the reverse order of removing.
3. Removing the top cabinet
1) Remove the two screws fixed on the lower cabinet.
2) Remove the top cabinet.
a) Lift the rear edge of the top cabinet in the direction of arrow .
b) Slide the top cabinet in the direction of arrow and remove
three pawls of the bottom cabinet at the same time. (Be care-
ful not to break the pawls.)
c) Lift the top cabinet and put it straight in the direction of arrow
.
(Be careful not to pull the cable between the top cabinet
and the main PWB.)
d) Pull and remove the following cables between the top cabinet
and the main PWB.
•Cable between the main PWB and the invertor PWB:
(CN13)
•Cable between the main PWB and the LCD: (CN10)
•Cable between the main PWB and the CKDC PWB:
(CN8)
e) Remove the earth wire and .
1
2
Fig. 1
A
B
1
1
Fig. 2
C
3
2
6
4
5
Fig. 3
4. Replacing the top cabinet
Install the top cabinet in the reverse order of removing. Before install-
ing, make sure that each connector is connected securely.
5. Removing the Noise filter PWB,
Transformer and AC cord
1) Remove the two screws .
2) Remove the AC cord cover .
3) Remove the screw and the earth wire .
4) Use a minus screwdriver to loosen the AC cord fixing screws (2
pcs.) of the Noise filter PWB.
5) Pull out the AC cord from the Noise filter PWB.
6) Remove the connector .
6. Replacing the Noise filter PWB
and Transformer
Install the power supply unit in the reverse order of removing. Before
installing, make sure that each connector is connected securely.
When connecting the AC cord to the power supply unit in as-
sembly, tighten with the torque of 3 kg/cm 1 kg/cm
7. Removing and replacing the
keyboard unit
The keyboard unit is fixed to the top cabinet with screws.
Fixed
Screw parts
code Boss
No. Fixing position
Earth wire – PWB angle – Keyboard unit –
Top cabinet
Earth wire – PWB angle – Keyboard unit –
Top cabinet
Earth wire – PWB angle – Keyboard unit –
Top cabinet
PWB angle – Keyboard unit – Top cabinet
PWB angle – Keyboard unit – Top cabinet
Holder – PWB angle – Keyboard unit –
Top cabinet
Earth spring – PWB angle – Keyboard unit
– Top cabinet
PWB angle – Clerk cover – Top cabinet
PWB angle – Clerk cover – Top cabinet
PWB angle – Keyboard unit – Top cabinet
PWB angle – Keyboard unit – Top cabinet
Holder – PWB angle – Keyboard unit –
Top cabinet
Holder – PWB angle – Keyboard unit –
Top cabinet
4
3
5
6
2
1
Fig. 4
21
20
19
18
17
16
15
14 13
12
11
10
9
8
7
65432
1
CKDC PWB ANGLE
22
23
8. Removing and replacing the LCD
unit
1) Remove the four fixing screws of the display unit from the top
cabinet .
2) Remove the two fixing screws of the LCD unit in the display
unit.
3) The LCD unit is assembled with seven pawls. Remove the pawls
in the order of to as shown in the figure.
9. Expansion RAM Board :
UP-P02MB2
Make sure to save data before installing this option.
Also make sure the capacitor (C32) is positioned in the direc-
tion opposite the connector ; otherwise the capacitor might
hinder the insertion of the expansion RAM board.
1) Remove the top cabinet.
2) Install the Expansion RAM Board to the Option RAM connector
on the Main PWB.
a) Insert the Expansion RAM Board into the option RAM connector.
b) Insert that the Expansion RAM Board is locked by the arms of
option RAM connector as s indicated in Fig 7.
It is possible to install one UP-P02MB2.
Install the Expansion RAM Board with the notch part of the
PWB (Figure A) come right. Installing the Expansion RAM
Board in the wrong direction may damage the connector
part or make the machine out of order.
3) Removing the Expansion RAM Board.
a) Open the arms of option RAM connector right and left.
b) The Expansion RAM Board will be lifted automatically.
10. RS232 I/F: ER-A7RS
1) Remove the rear cover.
2) Remove the two screws from the chassis.
3) Insert the I/F PWB to the connector.
4) Fix the I/F bracket to the chassis with screws .
5) Install the ferrite core .
6) Install the Nylon band to the cables.
2
3
3
1
Fig. 5
LCD cabinet hear side
c
b
de
f
g
a
4
Fig. 6
A
1
Fig. 7
11. MCR unit: UP-E12MR
1) Fix the MCR angle to the lower cabinet with two screws .
2) Remove the three screws .
3) Remove the HDD cover .
4) Connect the MCR cable to the MCR connector: CN18 on
the MAIN PWB.
5) Fit the MCR cable to the slit part of the bottom cabinet to
install the HDD cover .
6) Fix the three screws .
12. Drawer box unit: ER-03DW/04DW
1) Connect the drawer cable to the drawer connector .
2) Fix the earth wire from drawer box unit with the screw .
3) Install the ferrite Core to the drawer cable.
4) Fix the drawer cable with the cable holder , and tighten the
screw on the back of lower cabinet or .
13. Customer display: UP-I16DP
1) Remove the rear display cover.
2) Change the display filter.
1
2
RS232 cable
ER-A7RS
ER-A7RS
RS232 cable
3
3
4
4
Fig. 8
342
1
5
A
6
Fig. 9
1 turn
Fig. 10
Fig. 11
3) Insert the UP-I16DP on the two latches of the lower cabinet.
4) Raise the UP-I16DP toward you and put the two latches into
the chassis.
Cautions: When installing the UP-I16DP on the lower cabinet,
align it with the line of the lower cabinet. Make sure it
settles inside the latch.
5) Make sure the display cable passes under it.
6) Connect to the display cable to the display connector.
7) Install the core on the cable and secure the cable with the clamp.
8) Install the display cover.
14. Remote display: UP-P16DP
When the remote display is installed, service resetting is required.
1) Connect to the Display cable to the display connector .
2) Fix the earth wire from the display unit with screw .
Note : The ER-A770 can only support 1 type customer display at
a time either the UP-I16DP or UP-P16DP.
BB
A
A
A
B
Fig. 12
UP-I16DP
Lower cabinet
Fig. 13
Fig. 14
15. How to extend display pole:
UP-P16DP
The pole can be extended by installing the attached pole to the
standard pole.
COMPONENT LIST:
No. NAME USE Q’ty
Pole cabinet Pole extension 2
Screw (M2 x 8) Pole connection 4
Screw (M4 x 16) Securing the UP-P16DP to the
wooden table 4
Screw (M4 x 20) Securing the UP-P16DP to the
metal table 4
Nut Securing the UP-P16DP to the
metal table 4
1) Remove the five screws .
2) Remove the Base angle .
3) Remove the two screws .
4) Remove the Base cabinet from the pole cabinet .
5) Turn the ratchet connected to the pole cabinet to the removing
position and pull it out from the display unit as shown in Fig. A.
6) Remove the two screws .
7) Remove the pole cabinet from the Ratchet .
8) Install the attached pole cabinet to the pole cabinet to fix it
with the screw .
9) Install the pole cabinet in the opposite order of the disassem-
bly.
1
1
2
Fig. 15
7
4
6
Fig. 16
8
10
710
9
9
Fig. A
Fig. 17
Display cable
7
7
11 11
12
12
Fig. 18
10) Fastening onthe table:
Secure the Base cabinet using the screw.
No. NAME USE Q’ty
Screw (M4 ×16) Securing the UP-P16DP to the
wooden table 4
Screw (M4 ×20) Securing the UP-P16DP to the
metal table 4
Nut Securing the UP-P16DP to the
metal table 4
Lowering the height of the UP-P16DP
Remove the standard Pole and attach the Base cabinet to the
Ratch .
16. SRN I/F: Standard
1) Connect to the SRN cable to the SRN connector .
2) Install the Ferrite core to the SRN cable .
3) Install the Nylon band to the SRN cable .
Using the terminal resistor (50 ohm: QCNCM7145RCZZ).
Insure that the system is terminated at each.
17. RS232 I/F: Standard
1) Connect the RS232 cable to the connector.
2) Install the ferrite Core to RS232 cable.
3) Install the ferrite core to the cables.
13 13
14 14
15 15
Fig. 19
Fig. 20
Fig. 21
*Master Satellite Satellite
Terminator
50
Ω
R
Trunk cables
Branch
cables
(5m x 2)
16.4ft.
x 2
Satellite Satellite
Terminator 50
Ω
R
JJ conector
Cable conector
Fig. 22
COPYRIGHT2000BYSHARPCORPORATION
Allrightsreserved.
PrintedinJapan.
Nopartofthispublicationmaybereproduced,
storedinaretrievalsystem,ortransmitted.
Inanyformorbyanymeans,
electronic,mechanical,photocopying,recording,orotherwise,
withoutpriorwrittenpermissionofthepublisher.
SHARP CORPORATION
Information Systems Group
Quality & Reliability Control Center
Yamatokoriyama, Nara 639-1186, Japan
2000 May Printed in Japan
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