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30

1 DATECS

 

LP/EP-50H

Name

Description 1

Description 2

C1

Chip Capacitor 0805

470p

C3

Chip Capacitor 0805

100n

C4

Chip Capacitor 0805

470p

C5

Chip Capacitor 0805

10n

C6

Chip Capacitor 0805

100n

C7

Chip Capacitor 0805

100n

C8

Chip Capacitor 0805

100n

C9

Chip Capacitor 0805

100n

C10

Chip Capacitor 0805

100n

C11

Chip Capacitor 0805

100n

CN1

Connector

MOJ LP50 Power

CN2

Connector

Parallel_Centronix 36pin

CN5

Connector

CH84-40-2H100

D1

Shottky Diode

SR34

D2

Diode

LL4148

D4

Diode

LL4148

D5

Diode

LL4148

D7

Diode

LL4148

D8

Diode

LL4148

D9

Diode

LL4148

D10

Diode

LL4148

D11

Diode

LL4148

D13

Diode

LL4148

L8

Ferrite

Big/SMD

L9

Ferrite

Big/SMD

R2

Chip Resistor 0805

2.2k

R3

Chip Resistor 0805

4.7k

R4

Chip Resistor 0805

4.7k

RA1

Resistor Array

RA 746X101 472J

RA2

Resistor Array

RA 746X101 472J

RA3

Resistor Array

RA 746X101 472J

SW1

Switch

SW 8 Position / DIP

U1

ICs

74HCT574

U2

ICs

74HCT574

U3

ICs

74HCT74

U4

ICs

74HCT00

U5

ICs

74HCT14

U6

ICs

74LVC07

7.1.3   List of parts

Summary of Contents for EP-50H

Page 1: ...1 DATECS ServiceManual LINE THERMAL PRINTER MODEL LP EP 50H...

Page 2: ...THE INFORMATION IN THIS DOCUMENT CANNOT BE REPRODUCED IN ANY MECHANICAL ELECTRICAL OR ELECTRONIC WAY AND UNDER ANY CIRCUMSTANCES WITHOUT THE WRITTEN CONSENT FROM DATECS LTD VERSION 01 2004...

Page 3: ...Electrical Diagram 16 6 2 PCB 17 Top View 17 Bottom View 18 Top Layer 19 Bottom Layer 20 6 3 List of parts 21 7 INTERFACE 24 7 1 Parallel 25 7 1 1 Electrical Diagram 25 7 1 2 PCB 26 Top View 26 Botto...

Page 4: ...P EP 50H 1 DATECS Contact Information Headquarters DATECS Ltd Bulgaria 1784 Sofia 115A Tzarigradsko shosse tel 359 2 8165 500 359 2 8165 501 359 2 8165 506 fax 359 2 8165 510 www datecs bg e mail sale...

Page 5: ...manual thoroughly y Small lightweight and installable in a narrow area y High speed and low noise owing to line thermal print y Long life printing head and high reliability owing to the simple mechani...

Page 6: ...8 0 1 mm x f83 max 150mm thick max L and M Spec only Label width 56 mm max Label length 25 mm sh min Interface Serial RS 232C Parallel CENTRONICS compliant Input buffer 4 KB 16 KB Download characters...

Page 7: ...ews in the printer y When handling the thermal head or control board do not wear the gloves which will easily cause static electricity Prior to handling it discharge static electricity from your body...

Page 8: ...e rear of the printer body and lift y Detach the paper roll If the paper roll has been set in the printer cut he surplus paper and detach it gently See HOW TO REMOVE REMAINING PAPER ROLL in the USER S...

Page 9: ...of the connector to disconnect it Pulling the cable will ap it y Disconnect the FG cable Remove one M3 8 BT screw used to secure it to the control board y Detach the upper cover 6 Detaching the NPE S...

Page 10: ...older side front without pulling a cable If the label sensor is attached separate it from the printer mechanism 9 Detaching the Control Board y Remove one M3 8 BT screw y Turn on the Power switch y De...

Page 11: ...be caught y The flat cable should be located on the board side y Take care that the NPE sensor will not be cabled above the DIP switch 2 Tighten the screws firmly but avoid tightening them too hard 3...

Page 12: ...ssembly 1 17 01 E77001 320 270R MainAssembly JPN 1 17 02 E77001 325 270R Main Assembly USA 1 17 03 E77001 330 270R MainAssembly EUR 1 17 04 E77001 335 270P Main Assembly JPN 1 17 05 E77001 340 270P Ma...

Page 13: ...13 Service Manual 4 2 Disassemble Drawing...

Page 14: ...14 1 DATECS LP EP 50H 5 BLOCK SCHEME...

Page 15: ...15 Service Manual 6 MAIN BOARD 6 1 Electrical Diagram 6 2 PCB 6 3 List of parts...

Page 16: ...16 1 DATECS LP EP 50H 6 1 Electrical Diagram...

Page 17: ...17 Service Manual 6 2 PCB y TopView...

Page 18: ...18 1 DATECS LP EP 50H y Bottom View...

Page 19: ...19 Service Manual y Top Layer...

Page 20: ...20 1 DATECS LP EP 50H y Bottom Layer...

Page 21: ...ip Capacitor 0805 100n C16 Chip Capacitor 0805 100n C17 Chip Capacitor 0805 100n C18 Chip Capacitor 0805 100n C19 Chip Capacitor 0805 15p C20 Electrolitic Capacitor 100u 16V C21 Chip Capacitor 0805 15...

Page 22: ...Q6 NPN Transistor NPN Q7 PNP Transistor PNP Q8 NPN Transistor NPN R1 Chip resistor 0805 33k R2 Chip resistor 0805 220 R3 Chip resistor 0805 10k R4 Chip resistor 0805 10k R5 Chip resistor 0805 51k R6 C...

Page 23: ...Chip resistor 0805 10k R35 Chip resistor 0805 10k R36 Chip resistor 0805 10k R37 Chip resistor 0805 220 R38 Chip resistor 0805 10k R39 Chip resistor 0805 10k R40 Chip resistor 0805 10k R41 Chip resis...

Page 24: ...24 1 DATECS LP EP 50H 7 INTERFACE 7 1 PARALLEL 7 1 1 Electrical Diagram 7 1 2 PCB 7 1 3 List of parts...

Page 25: ...25 Service Manual 6 1 1 Electrical Diagram...

Page 26: ...26 1 DATECS LP EP 50H 7 1 2 PCB y Top View...

Page 27: ...27 Service Manual y Bottom View...

Page 28: ...28 1 DATECS LP EP 50H y Top Layer...

Page 29: ...29 Service Manual y Bottom Layer...

Page 30: ...rallel_Centronix 36pin CN5 Connector CH84 40 2H100 D1 Shottky Diode SR34 D2 Diode LL4148 D4 Diode LL4148 D5 Diode LL4148 D7 Diode LL4148 D8 Diode LL4148 D9 Diode LL4148 D10 Diode LL4148 D11 Diode LL41...

Page 31: ...31 Service Manual 7 2 RS232 7 2 1 Electrical Diagram 7 2 2 PCB 7 2 3 List of parts...

Page 32: ...32 1 DATECS LP EP 50H 7 2 1 Electrical Diagram...

Page 33: ...33 Service Manual 7 2 2 PCB y Top View...

Page 34: ...34 1 DATECS LP EP 50H y BottomView...

Page 35: ...35 Service Manual y Top Layer...

Page 36: ...36 1 DATECS LP EP 50H y Bottom Layer...

Page 37: ...D10 Diode LL4148 D11 Diode LL4148 D12 Diode LL4148 D13 Shottky Diode SR34 L1 Ferrite SMD L2 Ferrite SMD L3 Ferrite SMD L4 Ferrite SMD L5 Ferrite SMD L6 Ferrite SMD L7 Ferrite SMD L8 Ferrite SMD L9 Fer...

Page 38: ...and wait until the download is complete After power off the new firmware will be active To download EP50H firmware Start LoadEP50H exe Select the firmware file EP50H_ALL bin using button Select file...

Page 39: ...39 Service Manual 9 OUTLINE DRAWING...

Page 40: ...10 WALL MOUN UN UNTING HOLES LAYOUT DRAWING...

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