Sharp ER-1910 Service Manual

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ER- 2395
SHARP SERVICE MANUAL
The photo shows Model ER-1920. CODE : 00ZER23895SMHE
ELECTRONIC CASH REGISTER
SECTION 2 HARDWARE
ER-1910/1920
MODEL ER-2385/2395
ER-1910/1920 (Europe Version)
ER-2385/2395 (U.S.A., Canada,
South Africa Version)
The photo shows Model ER-2395.
CONTENTS
1. REFERENCE DOCUMENTS. .......ccsccccsssessesscessecsessesessesecstsesatecasavsesesanseeeeees a
2. BLOCK DIAGRAM .........eeeeeeeeee. Eo hae esse eee cee cee 2
3. CPU AND KDC DESCRIPTIONS ou..cccccccssescssesesssssessssesstssstssststsaseescarevseseeees 2
4. CIRCUIT DESCRIPTIONS. ........c.ccccssscsssssssecsscecsessecsecesocerssesesecsesesesseaesesesseeeenare 3
5. FUNCTIONS FOR POWER FAILURE AND MOTOR LOCK ........cecsecseeeseeeeeee 7
6. ADJUSTMENTS. ......cccccccecescesesesessesessseseeseatstsesatsrsecstavenes eeeennute tacseeieuats 8
7. TEST FUNCTIONS. .....ccccccccesseseseseesecesseseeeeeees ee ate ees 8
8. SERVICE PRECAUTION ON THE CPU AND
OUTER ROM REPLACEMENT .........cscsssssssessssssssecssessecssecssesssessesseesessseseeseeaes 12
Note: 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 service.
1-1. Section 1 programming manuals for U.S.A., Canada, South Africa, @te. ....... ee ceeeeeeeereeens 00ZER2395SMBE
1-2. Section 1 Basic manuals for Europe, @tC. ............. cee ceeecsccccecsessssesseseeseeeeeseeseeesessetsaaenseaseeseeseeens 00ZER1920SMBE
2. Section 2 Hardware description for all countries (except JAPAN) ............ cc eessttecessetseeestteneeeees O0OZER2395SMHE
3. Circuit diagram and PWB layout for all COUNTIES. 2.0.0.0... cc ceeetetesseeeneneeteeeeteeeenneesanerteseeeens 0OZER2395CD1M
4. "Printer mantial {or all COUNIMIOCS . ccc. cetsaasceeebeds iinciieceiceceeuds ee eebnin cd naa Sedeeaeeennied one eedeeanee 00OZCR802ASM/M
Note: Europe Version = U.K., W. Germany, Australia and others.
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SHARP CORPORATION