Casio I/O-PB-11 Manual de usuario

(without price)

SERVICE MANUAL

ELECTRONIC CASH REGISTER OPTION I/O BOARD

NOV. , 1994

I/O-PB-11(EX-I/O-PB-11)

FOR MODEL: CE-4700

TK-1300

TK-2300

TK-2700

TK-5100

INDEX

CONTENTS

IN/ON-LINE BOARD I/O-PB-11 Page

1. TO INSTALL THE I/O-PB-11......................................................................... 1

2. INTERFACE .................................................................................. 3

2-1. C-In line (ECR to ECR) ......................................................................... 3

2-2. On line .................................................................................. 6

3. CIRCUIT EXPLANATIONS............................................................................ 8

3-1. Address selection.................................................................................. 8

3-2. Scale buffer circuit................................................................................. 9

3-3. On line circuit (RS-232C) .................................................................... 10

3-4. C-In line circuit ................................................................................ 12

4. DIAGNOSTIC OPERATIONS...................................................................... 15

4-1. To start the diagnostic operation......................................................... 15

4-2. Check Items for I/O-PB-11 .................................................................. 16

4-3. Operations ................................................................................ 16

5. ERROR CODE LIST ................................................................................ 24

6. IC DATA ................................................................................ 27

7. PARTS LIST ................................................................................ 30

8. PCB LAYOUT ................................................................................ 32

9. CIRCUIT DIAGRAM ................................................................................ 33

— 1 —

IN/ON-LINE BOARD I/O-PB-11

1. TO INSTALL THE I/O-PB-11 (for model CE-4700, TK-1300, TK-2300, TK-2700, TK-5100)

1) Plug off the AC cord from outlet and turn the mode switch to REG mode for

discharge of electrolytic capacitors.

2) Open the upper case and remove the Ni-cd battery connector. To open upper

case, refer section 8 of disassembly in each ECR service manual.

3) In case of using scale, cut off the masking cover for scale.

4) Replace the ROM for necessary version.

5) Mount necessary RAM chips to main PCB.

6) Mount the two locking supporters on the PCB.

7) Connect the I/O-PB-11 and main PCB by two cables carefully caused the

cable lines are very narrow.

8) Connect the F.G. wire of I/O-PB-11 to the F.G. plate by screw.

9) Connect the Ni-cd battery connector to the main PCB.

10) Perform the MAC operation and check whether the machine is normal condi-

tion.

11) Power off and close the upper case by screw.

In-line connector

— 2 —

Scale cable

SCL-CB-10

Cut the masking cover for In-line

connector

Check whether those capacitors are lying.

In-line cables

Locking supporters

Cable fixing plate

Cable supporter

Cut the masking

part if necessary.

I/O-PB-11

Cut the masking cover for ON-line

connector.

Cut the masking cover for scale.

Scale cable

— 3 —

2-1. C-In line (ECR to ECR)

1) C-In line connection diagram

The maximum C-In line cable length and the maximum connection unit will be

varied by the in-line communication speed as shown below list.

Total cable length is max. Am

[C-In line cable wiring]

Master Satellite SatelliteSatellite

Terminater (100 ohms) Terminater (100 ohms)

2) C-In line cable, Connector, and Terminater

C-In line cable

Code No. Parts name Specification

1904 4023 In-line cable IPEV-SLA0.5x1P

C-In line connector

Code No. Parts name Specification

3500 5820 In-line connector kit XLP-KIT-1

Terminater

Code No. Parts name Specification

2600 2516 Carbon film resistor R-25-100-J

3) Cable connection diagram

Signal Pin Signal Pin

SD 1 SD 1

RD 2 RD 2

FG FG plate FG FG plate

(Master side) (satellite side)

2. INTERFACE

C-In line communication speed Maximum Maximum

(Baud rate) connection unit cable length A( m )

1.25 M bps 8 86

625 K bps 12 200

312.5 K bps 20 430

156.25 K bps 32 890

— 4 —

C-In line cable

Terminater (100 ohms)

Terminal cap

C-In line connector

Shield wire

Wrap bent shield wire

with Copper tape.

Red Red

BlackBlack

C-In line cable

C-In line connector

Terminal cap

Notes:

1.Use crimp tool for connecting termi-

nal caps.

2.If crimp tool is not available, connect

the wires with solder instead of termi-

nal cap. After the soldering, insulate

the wires with vinyl tape.

Wrap bent shield wire

with Copper tape.

Red

Black Black

Shield wire

Notes:

1.Use crimp tool for connecting termi-

nal caps.

2.If crimp tool is not available, connect

the wires with solder instead of termi-

nal cap. After the soldering, insulate

the wires with vinyl tape.

4) To fix C-In line connector to ECR.

Connect the C-In line cable and C-In line connector as shown below:

[Connector on the end of C-In line]

[Connector between ECRs]

— 5 —

Connect the C-In line

connector as shown below:

C-In line cable

Cable fixing plate

Part of copper tape

Cable supporter

Connect to C-In line connector.

1. Structure

Conductor Material: Tin plated mild copper twist

Cross section area: 0.5mm2

Construction: 20 pieces/0.18 mm

O.D. 0.95 mm

Insulation Material: Polyethylene

Thickness 0.3 mm

Sheath Material: PVC

Thickness 1.3 mm

Finished O.D.: 6.0 ~6.5 mm

Approx. weight: 55 kg/km

2. Properties (20°C)

Maximum conductor resistance 38.7 Ω/km

Minimum insulation resistance 10 kMΩ•km

Electric strength AC350 V/1 minute

Electrostatic capacity (Standard) 75 nF/km

6) C-In line cable specification

— 6 —

2-2. On line

(1) Direct connection to P/C

[Cable]

1) Wiring diagram (A) A SYNC.

2) Parts list

No. Code Number Part Specification

1 3612 0762 DIN 13P PLUG TCP9361-71-111

2 3513 1019 Junction shell DB-C2-J9

3 3510 2043 Shell connector DB-25S

4 Cable PLGW-3456-01A

PIN SINGNAL

2SD

3RD

4RS

5CS

6DR

7SG

8CD

20 ER

SIGNAL PIN

GND 1

ER 3

SD 4

RS 5

RD 7

CS 8

CD 9

DR 10

CI 13

PC-DOS

Personal

Computer

ECR Cable length = Max. 15m

— 7 —

ECR Cable length = Max. 15m

[Cable]

1) Wiring

PIN SINGNAL

2SD

3RD

4RS

5CS

6DR

7SG

8CD

15 –

17 –

20 ER

22 CI

24 –

SIGNAL PIN

GND 1

ER 3

SD 4

RS 5

NC 6

RD 7

CS 8

CD 9

DR 10

NC 11

NC 12

CI 13

2) Parts list

No. Code Number Part Specification

1 3612 0762 DIN 13P PLUG TCP9361-71-111

2 3513 1019 Junction shell DB-C2-J9

3 3510 2043 Shell connector DB-25S

4 Cable PLGW-3456-01A

(2) MODEM connection

MODEM

— 8 —

3. CIRCUIT EXPLANATIONS

3-1. Address selection

GND

VCC

IOCS

VCC

RESET

VCC

2IC15

VCC

6IC12

9IC12

5IC15

GND

C23

GND

C37

VCC

RXD

GND

TXCLK

C/D

RXRDY

VDD

RXCLK

DTR

RTS

DSR

RESET

CLK

TXD

TXEMP

CTS

SYNC

TXRDY

GND

IRQ

GND

-12V

12V

IC1

GND

C30

C29

1Y0

1Y1

1Y2

1Y3

GND

VCC

2Y0

2Y1

2Y2

2Y3

GND

Q12

GND

VCC

Q11

Q10

RST

CLK

GND

VCC

R27

C31

C32

C33

C36

VCC

IC12

IC14

12 12

IC17

R26

R25

R11

IC12

IC15

13 11

IC4

14 15

IC1

910

IC4

11 12

C10

C11

IC4

910

IC4

IC1

76IC5

C1 C6

-12V

+12V

IC4

IC14

10 8

IC14

IC15

IC16

IC7

GND

R10

GND

+12V

-12V

V+

V-

To E570-1To E570-1

CS for IC10

(C-In line controller)

RDTM

CLK for IC9

USART

According to the address of main CPU, the decorder selects the following optional devises.

IC No. Pin No. CPU address Descriptions

IC17 4 1Y0 0034H & RD="L" RDTM gate enable of IC8 (For scale data read)

10 2Y2 0036H Chip selection of C-In line controller

IC14 11 CLK 0034H & WR="L" Clock signal of IC9 (For C-In line controller data)

IC15 6 CS 0030H Chip selection of USART (Data)

0031H Chip selection of USART (Control status)

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