Casio PCR250 Manuals

Manuals and User Guides for Casio PCR250. We have 1 Casio PCR250 manual available for free PDF download: Service Manual

Casio PCR250 Service Manual

Casio PCR250 Service Manual (52 pages)

ELECTRONIC

Brand: Casio | Category: Cash Register | Size: 3.69 MB

Table of Contents

Table of Contents
2
1 Features

3
2 Specifications

3
3 Option

4
- Options
  4
4 Mac Operation

4
5 Block Diagram

5
- Drawer Drive Circuit
  5
- Printer Drive Circuit
  5
- Winder Motor Drive Circuit
  5
- Circuit Explanation
  6
- Power Supply Circuit
  6
- Reset Circuit
  7
- Data Communication between CPU and EEPROM
  8
  - Data Reading Procedure
    9
  - Data Writing Procedure
    9
- Pin Description
  10
- Printer Drive Circuit
  10
7 Disassembly

12
- To Open the Upper Case
  12
- To Remove the Main PCB
  12
- To Remove the Keyboard Ass'y
  12
  - Diagnostic Operations
    13
  - To Start the Diagnostic Operation
    13
  - Check Items
    13
  - Operations
    14
  - Key Code Check
    14
  - Switch Check
    14
  - Individual Test
    15
  - General Test
    15
  - Mode Selection
    15
  - Read/Write Test for EEPROM
    15
  - Read Only Test for EEPROM
    16
  - Battery Voltage Check
    16
  - Print Test
    16
  - Time Test
    16
  - Country Code Write Operation for EEPROM (ADD Data)
    17
  - To Escape the Diagnostic Operation
    17
  - Print Ing Layout
    17
  - Receipt Sample
    17
9 IC Data

18
- Lb1268
  18
- Equivalent Circuit
  18
- S-80728An-Z
  18
10 Circuit Diagram

19
11 Pcb Layout

30
12 Parts List

31
- Main Pcb Block
  33
- 2Nd Display Block
  35
- Power Supply Block
  36
- Keyboard Block
  37
- Upper Case Block
  39
- Others
  40
- Printer Unit
  41
- Drawer Unit
  43
- Dl-1313
  43
- Dl-1817
  45
- Dl-2749
  47
- Dl-2349
  49

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