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

Symbol/PartsCod)

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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 .

Fig. 1

Fig. 2

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

Holder – PWB angle – Keyboard unit –

Top cabinet

Earth spring – PWB angle – Keyboard unit

– Top cabinet

PWB angle – Clerk cover – Top cabinet

PWB angle – Keyboard unit – Top cabinet

Holder – PWB angle – Keyboard unit –

Top cabinet

Holder – PWB angle – Keyboard unit –

Top cabinet

Fig. 4

14 13

65432

CKDC PWB ANGLE

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.

Fig. 5

LCD cabinet hear side

Fig. 6

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.

RS232 cable

ER-A7RS

RS232 cable

Fig. 8

342

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.

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.

Fig. 15

Fig. 16

710

Fig. A

Fig. 17

Display cable

11 11

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

Ω

Trunk cables

Branch

cables

(5m x 2)

16.4ft.

x 2

Satellite Satellite

Terminator 50

Ω

JJ conector

Cable conector

Fig. 22

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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