Newland NLS-PT30 Series Service Manual
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Newland NLS-PT30 Series Service Manual

Newland NLS-PT30 Series Service Manual

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NLS-PT30 Series Mobile Computer
Service Manual
http://www.nlscan.com/
Release Date: Nov. 6, 2012

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Summary of Contents for Newland NLS-PT30 Series

  • Page 1 NLS-PT30 Series Mobile Computer Service Manual http://www.nlscan.com/ Release Date: Nov. 6, 2012...

  • Page 2: Revision History

    Revision History Version Description Date V1.0 Initial release. November 6, 2012...

  • Page 3: Table Of Contents

    Table of Contents 1. Preface............................1 2. Introducing the PT30........................1 2.1 Overview ........................... 1 2.2 Features ............................ 1 3. Released Models ........................... 2 4. About This Manual ........................2 5. Specifications..........................3 6. Basic Operations........................... 4 6.1 PT30 Mobile Computer ......................4 6.2 Switching On/Waking up the PT30 .....................
  • Page 4 10.5 Barcode Reading Problem ..................... 23 10.6 LCD Problems ........................24 10.7 Module Problems........................25 10.8 Other Malfunctions ........................ 25 11. PT30 Exploded View ......................... 26 12. Wearing Parts ..........................28...

  • Page 5: Preface

    This document provides fast fixes for common problems with NLS-PT30 series mobile computers (hereinafter referred to as PT30). It is advised to read through NLS-PT30 Series Mobile Computer User Guide and grasp its contents first so as to gain a better understanding of this manual.

  • Page 6: Released Models

    3. Released Models Model Configuration PT3050-0C Laser Engine +BT PT3050-0K Laser Engine +BT+ WIFI PT3050-2C CMOS Engine +BT PT3050-2K CMOS Engine +BT + WIFI PT3050-3C CCD Engine +BT PT3050-3K CCD Engine +BT+ WIFI 4. About This Manual This manual provides important installation, operating and servicing instructions of the PT30. Please contact our customer service if you have any questions about this document.

  • Page 7: Specifications

    5. Specifications Performance Processor Marvell XScale PXA310, 806MHz CPU Microsoft Windows CE.NET 6.0 Operating System 256MB RAM 128MB ROM Memory 2GB user memory Interface RS-232, USB 2.0, USB charging supported Physical Dimensions (L x W x H) 189.5 x 76 x 45mm (7.5 x 3 x 1.7inch) Weight 382g (including battery) Display...

  • Page 8: Basic Operations

    Then the Charge LED will blink red and green and then go off. The LCD display will be turned on. About 50s later the PT30 will buzz and display the desktop (Fig. 6-2). Note: To learn how to install the battery, see the NLS-PT30 Series Mobile Computer User Guide.

  • Page 9: Scanning Barcodes

    Fig. 6-2 Desktop 6.3 Scanning Barcodes Double-tap Barcode Testing on the desktop. Point the scanning window (see Fig. 6-1) at the target barcode and then press the Scan key. Adjust the scanning angle or the distance between the PT30 and the target barcode (when scanning a 1D barcode, ensure the length of aiming beam or laser beam is roughly 8mm greater than that of the barcode as shown in Fig.

  • Page 10: Turning On The Modules

    Fig. 6-4 Scanning 2D Barcodes 6.4 Turning On the Modules On the desktop of the PT30, tap Start – Settings – Control Panel and double-tap Peripheral Switch. Tap ON to turn on the modules. (See Fig. 6-5) Fig. 6-5 Peripheral Switch Screen...

  • Page 11: Repair Kit

    7. Repair Kit Item Tool Description Remark Software Kernel Program Package Phillips Screwdriver Assemble and disassemble the PT30 Assembly Soldering Station Solder Tweezers Assemble and disassemble the PT30 Multimeter Measure voltage Oscilloscope Test signal Ammeter Measure current Others RS232 Cable Download and test USB Cable Download and test...
  • Page 12 Move to the OPEN position Latch Fig. 8-1 Fig. 8-2 Step 2: Remove the rear housing a. Detach the serial cable (the flat flexible cable) from the mainboard Remove the PC sticker with the tweezers to reveal the backup battery’s DIP switch (see Fig. 8-3). Push the switch to the opposite (OFF) position to turn off the backup battery with the tweezers.
  • Page 13 Unscrew the six screws Fig. 8-6 Remove the rear housing Fig. 8-7 Step 3: Remove the backup battery Detach the backup battery from the battery connector (Fig. 8-8) and take out the battery. Be careful not to damage the battery. Remove the Battery backup battery...
  • Page 14 M2*14 machine screw M2*6 machine screw Fig. 8-10 b. Gently detach the WIFI antenna and GPRS antenna from the scan engine bracket with the tweezers as shown in Fig. 8-11. Extra care should be taken to avoid damaging other components or detaching the antennas from their feeders.
  • Page 15 a. Take out the module connection board. Take out the module connection board Fig. 8-14 b. Unscrew the two screws (M2*4 screw) on the WIFI module and remove the WIFI module. Remove the solder from the three leads of GPRS module with soldering iron and take out the GPRS module.
  • Page 16 Slide the FPC connector A Detach the side Unscrew key board from and pull out two screws on the bracket the flat flexible the mainboard cable Slide the FPC connector Detach the side B and pull out the flat key board from flexible cable the bracket Fig.

  • Page 17: Assembling The Pt30

    8.2 Assembling the PT30 To assemble the PT30, repeat the above steps in reverse. 9. PT30 Circuits 9.1 Overview GPRS/Bluetooth/WiFi 2.83” TFT LCD RS232 Sunlight Readable CMOS&LASER&CCD SDRAM 256MB USB Slave&Host MARVELL SLC NAND FLASH 128MB PXA310 SPEAKER&VIB&LED MICRO-SD MEMORY SLOT Keyboard &...

  • Page 18: Mainboard-Lcd Interface Circuit

    9.2 Mainboard-LCD Interface Circuit Fig. 9-2 The mainboard-LCD interface is connected to the LCD module via cable. Faulted LCD Display interface circuit or loose contact may cause no display or dim backlight. 9.3 Backlight Control Circuit Fig. 9-3 Any failure in this circuit may cause dim backlight or no backlight.

  • Page 19: Keypad Interface Circuit

    9.4 Keypad Interface Circuit Fig. 9-4 The keyboard interface circuit above shows how the keypad PCB is connected to the mainboard through a 24-pin flat flexible cable. Any problem in the circuit or loose contact may cause startup failure or incorrect keypad entry or inability to decode barcode.

  • Page 20: Usb Interface Circuit

    9.5 USB Interface Circuit Fig. 9-5 The USB interface circuit is designed for USB communication. Any problem in the circuit or loose contact may cause USB communication failure or USB data transmission error. 9.6 l/O Interface Circuit...

  • Page 21: Vibrator Control Circuit

    Fig. 9-6 Any problem in this circuit may cause RS232 communication failures. 9.7 Vibrator Control Circuit Fig. 9-7 The vibrator control circuit is designed to drive the vibrator with the control signal VMOTOR of CPU. Vibrator’s failure to vibrate may be attributed to improper device settings or damaged circuit or faulty vibrator.

  • Page 22: Speaker Control Circuit

    9.8 Speaker Control Circuit Fig. 9-8 The speaker control circuit is used to amplify WM9715 (U401)’s audio output signal SPK OUT with the U402 to drive an audio speaker. No sound or abnormal sound from the speaker may be attributed to improper device settings or damaged U402 or burned-out speaker. 9.9 RTC Circuit Fig.

  • Page 23: Scan Engine Interface Circuit

    9.10 Scan Engine Interface Circuit Fig. 9-10 Damaged scan engine interface or loose contact may cause failure to decode barcode or doing it incorrectly. 9.11 LED Circuit Fig. 9-11 Fig. 9-12...

  • Page 24: Adc Circuit

    a. Charge LED (Fig. 9-11, Fig. 6-1): Red LED indicates battery charging in progress. Green LED indicates battery fully charged. If a power adapter is connected to a PT30 without the main battery, the LED will be turned from red into green and then the green LED will stay on. b.

  • Page 25: Analysis And Repair Of Malfunctions

    10. Analysis and Repair of Malfunctions 10.1 Unresponsive Keypad Malfunction: No response or incorrect response to any key entry. Analysis: Try cold reset by pressing both the Power key and Reset Button. If the problem remains, check and make sure the battery cover is firmly closed. If the problem still remains, then you can narrow down the causes to: a.

  • Page 26: Battery Charging Problem

    Solutions: a. Reconnect the flat flexible cable. b. Replace the serial port board. Serial port board Fig. 10-3 10.3 Battery Charging Problem Malfunction: Battery cannot be charged, with a constant warning of low battery and the Charge LED (Fig. 6-1) staying OFF. Analysis: In the case that data cable is intact, failure to charge may be attributed to: a.

  • Page 27: Barcode Reading Problem

    a. Battery is flat or fails to work, or its contact is loose or damaged. b. The Power key wears off over time. c. There is something wrong with the kernel program. d. The mainboard acts up and causes system startup failure. Solution: a.

  • Page 28: Lcd Problems

    Fig. 10-4 Fig. 10-5 Fig. 10-6 b. Follow the instructions in Section 6.3 to scan the target barcode. c. Replace the keypad PCB and the keypad. For more information, see Section 10.1. d. Replace the 24-pin flat flexible cable. e. Replace the scan engine and return the damaged one back to us. Repair Instructions: Replace the 24-pin flat flexible cable Step 1: Follow the disassembling procedure in Section 8.1 to remove the scan engine...

  • Page 29: Module Problems

    Reconnect the flat flexible cable. For more information, see Section 8.1. c. Replace the LCD module. For more information, see Section 8.1. d. Calibrate the screen. For more information, see the NLS-PT30 Series Mobile Computer User Guide. 10.7 Module Problems For the relevant information, see the module service manual.

  • Page 30: Pt30 Exploded View

    11. PT30 Exploded View Fig. 11-1...
  • Page 31 Description Description PT30 Decorative Panel PT30 Acryl Scan Window Gum PT30 LCD’s Decorative Silicone PT30 Handstrap Buckle (Upper) Rubber Screw+P2*6M Zinc Coating Black PT80/PT30/MT70 Logo Cr3+ Waterproof Screw+P2.5*6M PT30/MT70 Logo Gum Hot-Dipped Zinc Coating BlackCr3+ PT30 Front Housing PT3 Battery Cover PT30 LED Light Pipe PT30 Main Battery Screw+P2*6M Zinc Coating Black...

  • Page 32: Wearing Parts

    12. Wearing Parts Part Part No. Remark Decorative Panel 102034023 Backup Battery 105002308 Used when 705 RTV Silicone Rubber Glue reinstalling the serial port board CM42 Flat Flexible Cable 105017060277 955 Flat Flexible Cable 105017060045 1300 Flat Flexible Cable 105017060045 955 Scan Engine Gasket 102033202 Screw+F1.6*5M Zinc Coating Black...

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