AOC 919Pz - User Manual

19" LCD Color Monitor AOC 919Pz&919Sz&919Vz
Service
Service
Service
919Pz 919Sz&919Vz
Horizontal Frequency
30-80 KHz
Table of Contents
Description Page Description Page
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……………………………......6
3.Operation Instruction…………...............……..............7
3.1.General Instructions...........................…...................7
3.2.Control Button…………….…..............……...............7
3.3.OSD Menu…………….…...........................…...........9
4.Input/Output Specification............……………............13
4.1.Input Signal Connector............………….................13
4.2.Factory Preset Display Modes…….........................14
4.3.Panel Specification.....………...…………................15
5.Block Diagram…….....................………….................17
5.1.Main Board…….…………...………………....….......17
5.2.Power Board……………..……………...….......18
6.Schematic……………........................................19
6.1.Main Board………...........................................19
6.2.Power Board...…….........................................23
6.3.Key Board...…….............................................26
7.PCB Layout..………….......................................27
7.1.Main Board………...........................................27
7.2.Power Board…...............................................30
7.3.Key Board…………….....................................32
8.Maintainability……….........................................33
8.1.Equipments and Tools Requirement...............33
8.2.Trouble Shooting…………..............................34
9.White-Balance, Luminance Adjustment.............38
10.Monitor Exploded View………..…….…............40
11.BOM List…………………………………............44
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

AOC 919Pz Specifications

General

Screen Size	19 inches
Display Type	LCD
Resolution	1280 x 1024
Aspect Ratio	5:4
Brightness	250 cd/m²
Contrast Ratio	1000:1
Response Time	5 ms
Connectivity	VGA, DVI
Panel Type	TN
VESA Mount	Yes
Inputs	VGA

Summary

Revision List

Important Safety Notice

Monitor Specifications

LCD Monitor Description

Monitor Block Diagram

Visual representation of the monitor's internal components and their connections.

Operating Instructions

General Instructions

Basic steps for turning the monitor on/off and adjusting settings.

Control Buttons

Identifies and explains the function of each control button on the monitor.

OSD Menu

Detailed explanation of navigating and using the On-Screen Display (OSD) menu.

Input;Output Specification

Input Signal Connector

Pin assignments and details for analog and DVI input connectors.

Factory Preset Display Modes

Lists supported display resolutions and corresponding horizontal/vertical frequencies.

Panel Specification

Technical specifications of the LCD panel, including dimensions and electrical characteristics.

Block Diagram

Main Board

Block diagram illustrating the components and connections of the main board.

Power Board

Block diagram showing the power supply circuitry and its components.

Schematic

Main Board

Detailed circuit diagram for the monitor's main logic board.

Power Board

Detailed circuit diagram for the monitor's power supply board.

Key Board

Circuit diagram for the monitor's key input board.

PCB Layout

Main Board

Physical layout and component placement for the main board.

Power Board

Physical layout and component placement for the power board.

Key Board

Physical layout and component placement for the key board.

Maintainability

Equipments and Tools Requirement

Lists essential equipment and tools needed for servicing the monitor.

Trouble Shooting

Step-by-step guide to diagnose and resolve common monitor issues.

White- Balance, Luminance Adjustment

Setting the color temp. you want

Procedure for selecting and setting desired color temperature modes.

Enter into the factory mode

Instructions for accessing the monitor's factory service mode.

Gain adjustment

Detailed steps for adjusting RGB gain to calibrate color balance.

Monitor Exploded View

BOM List