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Brother P-touch PT-210E Service Manual

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SERVICE MANUAL
MODEL: PT-210E (For Europe)

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Summary of Contents for Brother P-touch PT-210E

  • Page 1 P-touch SERVICE MANUAL MODEL: PT-210E (For Europe)
  • Page 2 P-touch SERVICE MANUAL MODEL: PT-210E (For Europe)
  • Page 3 Copyright Brother 1998 All rights reserved. No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher. Specifications are subject to change without notice.
  • Page 4 This publication is a service manual covering the specifications, theory of operation, disassembly/ reassembly procedure, and troubleshooting of the Brother PT-210E. It is intended for service personnel and other concerned persons to accurately and quickly provide after-sale service for our PT-210E.
  • Page 5 P-touch SERVICE MANUAL P-touch PT-210E (For Europe) Mechanical Part CONTENTS CHAPTER I SPECIFICATIONS ..........Refer to PT-220 (P. I-1) 1.1 MECHANICAL SPECIFICATIONS ..............Refer to PT-220 (P. I-1) 1.1.1 External Appearance...............Refer to PT-220 (P. I-1) 1.1.2 Keyboard..................Refer to PT-220 (P. I-1) 1.1.3 Display ....................Refer to PT-220 (P.
  • Page 6 P-touch SERVICE MANUAL CHAPTER II MECHANISMS .............Refer to PT-220 (P. II-1) 2.1 THEORY OF OPERATION ................Refer to PT-220 (P. II-1) 2.1.1 Print Mechanism ................Refer to PT-220 (P. II-1) 2.1.2 Platen Roller, (Tape Feed) Sub Roller Setting & Retracting Mechanism ..............Refer to PT-220 (P. II-2) 2.1.3 Tape &...
  • Page 7 P-touch SERVICE MANUAL Specifications Fig. 1.1-2 Key Arrangement I - 1...
  • Page 8 P-touch SERVICE MANUAL Specifications ELECTRONICS SPECIFICATIONS 1.2.1 Character Generator (1) Internal characters U.K./ FRA/ BEL/ GER (2) Internal font HELSINKI (3) Print buffer capacity 99 characters (4) Phrase memory capacity 300 characters 1.2.2 Power Supply (1) Power supply Driven by 6 batteries Optional AC line adapter (9.5VDC, 1.3A) available (2) Battery type 6 alkaline batteries (LR6)

  • Page 9: Table Of Contents

    P-touch SERVICE MANUAL P-touch PT-210E (For Europe) Electronic Part CONTENTS CHAPTER III ELECTRONICS..........Refer to PT-220 (P. III-1) 3.1 OVERVIEW ....................Refer to PT-220 (P. III-1) 3.1.1 Configuration of the Electronic Part..........Refer to PT-220 (P. III-1) 3.1.2 Main PCB..................Refer to PT-220 (P. III-1) 3.1.3 Sub PCB ..................Refer to PT-220 (P.

  • Page 10: Main Pcb

    P-touch SERVICE MANUAL 3.3 TROUBLESHOOTING................Refer to PT-220 (P. III-17) 3.3.1 Precautions ................. Refer to PT-220 (P. III-17) 3.3.2 After Repairing ................Refer to PT-220 (P. III-17) 3.3.3 Troubleshooting Flows ..............Refer to PT-220 (P. III-18) Tape feeding failure ............Refer to PT-220 (P. III-18) Printing failure ..............

  • Page 11: Block Diagram Of Main Pcb

    P-touch SERVICE MANUAL Electronics Fig. 3.2-1 Block Diagram of Main PCB III - 1...

  • Page 12: Cpu

    P-touch SERVICE MANUAL Electronics 3.2.2 The CPU (MN101C01D) is an 8bit microprocessor produced by the CMOS silicon gate process, which integrates a 64 kilobyte ROM and a 2048 byte RAM. 3.2.3 Key Contacts Matrix Key contacts matrix On the main PCB is a key contacts matrix that is a set of 51 carbon-printed key contact patterns.

  • Page 13: Solder Points

    P-touch SERVICE MANUAL Electronics Solder points Fig. 3.2-4 shows a circuit diagram relating to the keyboard and solder points. Solder points 1 through 5 are connected to satisfy the specification of PT-210E. Solder points A through H are reserved for future use for the thermal head ranking. The CPU reads the solder point status once during powering-on to confirm the specification.

  • Page 14: Power On/Off Circuit And Power Saving Circuit

    P-touch SERVICE MANUAL Electronics 3.2.4 Power ON/OFF Circuit and Power Saving Circuit Power ON/OFF circuit Fig. 3.2-5 shows a circuit diagram of the power ON/OFF key. The CPU processes the ON/OFF key state in a sequence quite different from other keys although it is on the keyboard.

  • Page 15: Voltage Detection Circuit And Temperature Sensor Circuit

    P-touch SERVICE MANUAL Electronics 3.2.7 Voltage Detection Circuit and Temperature Sensor circuit Fig. 3.2-12 and Fig. 3.2-13 (See next page) show the voltage detection circuit and the ambient sensor circuit, which are composed of a resistor combination. Voltage detection circuit This circuit, which is composed of divider resistors R10 and R11, steps down the power source VAD fed from batteries or the AC adapter output and feeds the output to the A/D input port PA1 on the CPU.

  • Page 16: Oscillation Circuit

    P-touch SERVICE MANUAL Electronics 3.2.8 Oscillation Circuit Fig. 3.2-14 shows the oscillation circuit. This circuit contains an oscillator and generates an oscillation at 20 MHz which act as the CPU basic clock. The CPU divides this into half (10 MHz) to synchronize its internal operations.
  • Page 17 III - 7...
  • Page 18 June, ’98 5V2072BE0 Printed in Japan...

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