Citizen Systems service manual Control Board Assy RS422A CBM-710/720

Page 57

CBM-710/720 Service Manual

PARTS LIST

 

 

 

 

7. Control Board Assy : RS422A

 

 

CBM-710/720

 

 

 

 

 

Ref. No.

Parts No.

Description

Q’ty

Remarks

IC

1

E 104-200

LSI (CPU)

M50734SP

1

 

2

E 107-140

LSI (PROM)

M5L27128K

1

 

3

E 104-220

LSI (RAM)

uPD4464C-15L

1

 

4

E 2010170

IC (TTL)

SN74LS373N

1

 

5

E 2010220

IC (TTL)

SN74LS240N

1

 

6

E 2010230

IC (TTL)

SN74LS375N

1

 

7

E 2010240

IC (TTL)

SN74LS139N

1

 

8,13

E 2010250

IC (TTL)

SN74LS04N

2

 

9

E 2010260

IC (TTL)

SN74LS11N

1

 

10

E 2010200

IC (TTL)

SN7406N

1

 

11

E 2010270

IC (TTL)

SN74LS14N

1

 

12

E 202-610

IC

uPC393C

1

 

14

E 202-620

IC (TTL)

SN75113

1

 

15

E 202-630

IC (TTL)

SN75175

1

TA

1

E 390-100

Tr. Array

HA13408

1

 

2

E 390-120

Tr. Array

STA403A

1

TR

1

E 319-117

Transistor

2SA1175HF

1

 

2-5

E 359-278

Transistor

2SC2785HF

9

 

8,9

 

 

 

 

 

101-103

 

 

 

 

 

 

6,10

E 327-030

Transistor

2SB731L

2

 

7,11

E 360-020

Transistor

2SD809(1)L

2

ZD

 

E 403-060

Zener Diode

RD3. 0EL1

1

RA

1,5

E 3103-140

Re. Array

SR-8RA-10K

2

 

2,3

E 3103-170

Re. Array

SR-9RA-10K

2

 

4

E 3013-090

Re. Array

SR-4RB-1K

1

R

1

E 3152-100

Resistor

1/4W

1.5K F

1

 

2

E 3272-090

Resistor

1/4W

2.7K F

1

 

3,101

E 3102-041

Resistor

1/4W

1K J

2

 

4

E 3222-041

Resistor

1/4W

2.2K J

1

5,7,15

E 3332-041

Resistor

1/4W

3.3K J

6

102-104

 

 

 

 

 

55

Page 56 Page 58
Image 57
Page 56 Page 58
Contents DOT Matrix Printer Contents Chapter Printer Disassebly and Assembly How to the Upper Cover and Rear Cover How to Remove the Control Board How to Remove the Printer MechanismHow to Remove the Power Board and AC Power Unit How to Remove the Operation Panel Board and PE Sensor Board How to Remove the Auto Cutter UnitChapter Circuit Description Outline Block DiagramCPU and ROM/RAM Circuit CPU Peripheral CircuitsPower Failure Interrupt Circuit and Initial Resetting Printer Control Circuit Printer Control CircuitNormal Reverse Stop Cutter Control CircuitOperation Panel Circuit Interface with Operation PanelPaper End Sensor Circuit Paper End Sensor CircuitSTB Parallel Interface CircuitParallel Interface Circuit Serial Interface Circuit Serial Interface Circuit Diagram RS422A Interface Circuit RS422A Interface CircuitPower Supply Circuit Power CircuitChapter Auto Cutter Maintenance and Handling Mechanism and Principle of Operation Cam Switch Cutter Gear Repairing Troubleshooting Page Disassembly/Assembly Page Chapter Circuit Diagram Power Supply Circuit Diagram CBM710/720-001-00 Noise Filter Circuit Diagram CBM710/720-002-00 Paper End Sensor Circuit Diagram CBM710/720-004-00 Circuit Diagram Parallel Circuit Diagram RS232C CBM710/720-008-00 Chapter Parts List Exploded View CBM-710/720 Parts ListRef. No Parts No Description CBM-710,720 CBM-710 CBM-72037 Block Diagram CBM-710/720 Block Diagram Power Supply Unit CBM-710/720 PC Board Noise Filter Unit CBM-710/720 Parts Position Noise Filter Unit Control Board Assy RS232C CBM-710/720 Parts List Control Board Assy RS232C OSC Parts Position Control Board Unit RS232C Control Board Assy Parallel CBM-710/720 Parts List Control Board Assy Parallel Parts List Control Board Assy Parallel Parts Position Control Board Unit Parallel Control Board Assy RS422A CBM-710/720 Parts List Control Board Assy RS422A OSC Parts Position Control Board Unit RS422A Operation Panel Unit Parts Position Operation Panel Unit Parts Position PE Detector Unit OP Junction Block AC-2 AC-3 Auto Cutter AC-2/AC-3AC-2 AC-3 Winder AW-2 AW-2
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