Partner OT-310 User manual

OT-310

Handheld POS Terminal

Service Manual

ENGLISH

Table of Contents

Troubleshooting Guide .....................................................................1

Access Diagnostic Program .......................................................................... 1

LCD RGB ...................................................................................................... 2

LCD Backlight ............................................................................................... 4

Switch Key .................................................................................................... 6

Touch Panel .................................................................................................. 10

SD Card ........................................................................................................ 13

Rear Camera ................................................................................................ 15

MSR .............................................................................................................. 17

Barcode ........................................................................................................ 20

LED ............................................................................................................... 24

TROUBLESHOOTING GUIDE: Access Diagnostic Program

ENGLISH

Troubleshooting Guide

When repairing OT-310, you can test the major components by using the Diagnostic

Program. To access the Diagnostic Program, do the following:

Access Diagnostic Program

1. Touch the Home key( ) to return to the Home screen. Then touch Function

Test to launch the Diagnostic Program.

2. The Diagnostic Program appears on the screen. Then select the desired test

mode.

TROUBLESHOOTING GUIDE: LCD RGB

ENGLISH

LCD RGB

To test the LCD, do the following:

1. Touch the LCD RGB button.

2. After the LCD test is complete, select Pass or Fail.

LCD Checking Flowchart

If the LCD test fails, perform the following:

TROUBLESHOOTING GUIDE: LCD RGB

ENGLISH

Circuit Diagram and Related Scanning Circuit Board

[Check point: LCD Connector (CON8)]

[Check point: Power suppy for LCD]

TROUBLESHOOTING GUIDE: LCD Backlight

ENGLISH

LCD Backlight

To test the LCD backlight, touch the Backlight button.

LCD Backlight Checking Flowchart

If the LCD backlight is not working normally, perform the following:

TROUBLESHOOTING GUIDE: LCD Backlight

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Circuit Diagram and Related Scanning Circuit Board

[Check point: LCD Backlight (CON8)]

TROUBLESHOOTING GUIDE: Switch Key

ENGLISH

Switch Key

To test the Switch key, touch the Switch button.

Switch Checking Flowchart

a. If the Volume Up / Volume Down / F1 / F2 key is not working normally, perform the

following:

TROUBLESHOOTING GUIDE: Switch Key

ENGLISH

b. If the Power key is not working normally, perform the following:

Circuit Diagram and Related Scanning Circuit Board

[Check point: Volume Up / Volume Down / F1 / F2 key]

TROUBLESHOOTING GUIDE: Switch Key

ENGLISH

[Check point: Volume Up / Volume Down / F1 / F2 key (continue)]

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