Sharp ER-1910 Service Manual

SHARP

SERVICE MANUAL

The photo shows Model ER-1920.

1.

2.

3.

4.

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7.

8.

Note:

The photo shows Model ER-2395.

CODE :OOZER23 95SMHE

ELECTRONIC CASH REGISTER

SECTION2 HARDWARE

*

ER-1910/Ig20

MODEL ER-2385/2395

[

ER-1910/1920 (Europe Version)

ER-2385/2395 (U.S.A., Canada,

1

South Africa Version)

CONTENTS

OUTER ROM REPLACEMENT .......................................................................

12

The service manual of the above models is consisted of four major manuals as follows. Therefore, please refer to

other manuals together with this service manuals in your senice.

1-1. Section 1

Programming manuals for

U.S.A., Canada, South Africa, etc. .................................

OOZERZ3g5SMBE

1-2.

Section 1 Basic manuals for Europe, etc. ..................................................................................

2.

OOZER1920SMBE

Section 2 Hardware description for all countries (except

Japan) .

3.

............................................. OOZER2395SMHE

Circuit diagram and PWB layout for all countries .....

4.

Printer manual for all countries

................................................................. OOZER2395CD1 M

.................................................................................................. OOZCR802ASMIM

REFERENCE DOCUMENTS ..............................oo. .oomo.

..a. m c. ..o. r l.......*..moo.

..oc. .o .6.. 1

BLOCK DIAGRAM .............................................................................................

2

CPU AND KDC DESCRIPTIONS ..................................iamo.

..o. . i.oomc.

.t...mt. .i.oo. .*..o 2

CIRCUIT DESCRIPTIONS .................................................................................

3

FUNCTIONS FOR POWER FAILURE AND MOTOR LOCK ...........................

7

ADJUSTMENTS .................................................................................................

8

TEST FUNCTIONS ............................................................................................

8

SERVICE PRECAUTION ON THE CPU AND

Note: Europe Version = U.K., W. Germany, Australia and others.

SHARP CORPORATION