Legamaster PTX-8500 UHD Manual de usuario

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Service Manual: PTX8500 UHD

Legamaster

Service Manual

Model No.: PTX-8500 UHD

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Service Manual: PTX8500 UHD

Revision History

Version

Date

Page

Section

Description

V1.0

2015.01.16

All

First issued

V2.0

2015.04.29

All

Change PSU (11012436001-AA)

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Service Manual: PTX8500 UHD

HANDLING GUIDE

This 85” monitor is over 100KG in weight, there for two (2) eye-Bolt attachment

locations have been placed on top on the unit, you can use the eye-Bolts provided

(in the accessory box) to hang up this monitor.

The installation of the hooks as below photo, we strongly recommend to follow this method to

hang up this monitor.

Hook : 1SM8XXR15Z1-AA

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Service Manual: PTX8500 UHD

1. Repairing Condition

1.1. Repair Tools

List the type and size of the tools that would typically be used to disassemble the

product to a point where components and materials requiring selective repair can

be removed.

Item

Tool Description

Tool Size (if applicable)

Qty

Electric screwdriver

N/A

1 pcs

Philip Screwdriver

N/A

1 pcs

Philip Screwdriver

N/A

1 pcs

Hexagonal Socket

5mm

1 pcs

Mini Plastic Nipper

6”

1 pcs

1.2. Operation Space Required

1.2.1. Operation Space Required

1.2.2. Need a clean space (>=300cm*300cm)

1.2.3. Need a stable table (surface>200cm*120cm, load>60kg).

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Service Manual: PTX8500 UHD

2. Access to the key components

2.1. Panel

2.1.1. Remove the Rear Cover

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Service Manual: PTX8500 UHD

2.1.3. Remove the Bezel

2.1.4

. Panel BKT (24

crews)

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Service Manual: PTX8500 UHD

2.2. A/D board

(If you only replace A/D board, just take off A/D board cover)

2.3. Power board

(If you only replace Power board, just take off Power board cover)

A/D board cove

Power

board co

ver

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Service Manual: PTX8500 UHD

3. Parts descriptions

3.1. Module

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Service Manual: PTX8500 UHD

No.

Part No.

Name

Descriptions

10050850001-AA

85” Panel

LCD Module. (include LCD panel, Backlight and inverter)

11347003911-AB

IR board

Infrared receiver and LED.

11347005851-AB

Keypad

OSD Keypad board

11347006541-AB

Ethernet Board

Ethernet Remote Control Board

11347008963-CA

Docking board

OPS Docking board

11341674101-AA

MEMC board

PANEL MEMC board from Panel module

1134019U011-CA

AD Board

Main Board

11084120391-AA

Speaker

Right and Left Speakers

11017001141-AB

EMI board

11261362451-AA

SSR-40DA

SSR-40DA (Control AC to DC PSU On/Off)

11012413061-AA

PSU

Power supply unit (Control AD board)

11012436001-AA

PSU

Power supply unit (Control Panel converter)

2TG08500001-AA

Touch module

Invertorboards

Backlight Driver Board

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Service Manual: PTX8500 UHD

3.2. Wiring

3.2.1. Wiring for PCBA

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