Lenovo D170 Wide - User Manual

17” LCD Color Monitor Lenovo D170 Wide
1
Service
Service
Service
Horizontal Frequency
30-80 kHz
TABLE OF CONTENTS
Description Page Description Page
N
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Table Of Contents.......……..............................…........1
Revision List.…........................................……......2
Important Safety Notice.…….........................……......3
1.Monitor Specification..............................………........4
2.LCD Monitor Description…………………………….......5
3.Operation Instruction……………...............……...........6
3.1.General Instructions………..........................…...........6
3.2.Control Button…………….…..............……...............6
3.3.Adjusting the Picture...........................…............7
4.Input/Output Specification............……………............9
4.1.Input Signal Connector............………….................9
4.2.Factory Preset Display Modes.........................10
4.3.Panel Specification.....……...……………..................11
5.Block Diagram………...................…………................14
5.1.Software Flow Chart…………………………...........14
5.2. Electrical Block Diagram………………………......16
6.Schematic…………………...................................…18
6.1.Main Board.................................................18
6.2.Power Board....……….…....................................23
7.PCB Layout..……………….......................................25
7.1.Main Board……………........................................25
7.2.Power Board….......................................28
7.3.Key Board…………...…….....................................29
8.Maintainability…………….........................................30
8.1.Equipments and Tools Requirement...............30
8.2.Trouble Shooting…………..............................31
9.White-Balance Luminance adjustment………….....37
10.Monitor Exploded View……………………….........39
11.BOM List….....................................................40
12. Different Parts List….............................................50
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
http://www.wjel.net

Summary

Revision and Safety Information

Revision List

Tracks changes and versions of the service manual.

Important Safety Notice

Crucial safety warnings and precautions for servicing equipment.

Monitor Specifications

Monitor Specifications

Detailed technical parameters of the LCD monitor.

Panel Specification

Technical characteristics and features of the LCD panel.

Optical Characteristics

Optical performance metrics including contrast, luminance, and viewing angles.

Operation and Troubleshooting

Operation Instructions

How to use the monitor controls and OSD menu for basic operations.

Input;Output Specification

Details on signal inputs, connectors, and display modes supported.

Trouble Shooting

Systematic guide to diagnose and resolve common monitor issues.

Internal Design and Parts

Block Diagram

High-level functional overview of the monitor's internal architecture.

Schematic

Detailed circuit diagrams for the monitor's main electronic boards.

Monitor Exploded View

Visual breakdown of monitor components for assembly and identification.

BOM List

Bill of Materials listing all parts used in the monitor.

Lenovo D170 Wide Specifications

General

Panel Type	TN
Screen Size	17 inches
Resolution	1440 x 900
Aspect Ratio	16:10
Response Time	5 ms
Brightness	250 cd/m²
Contrast Ratio	1000:1
Connectivity	VGA
Input Connectors	VGA