Benq G2420HD Manuals

Manuals and User Guides for Benq G2420HD. We have 3 Benq G2420HD manuals available for free PDF download: Product Service Manual, User Manual

BenQ G2420HD Product Service Manual (74 pages)

BenQ G2420HD 24’ LCD Monitor

Brand: BenQ | Category: Monitor | Size: 2.22 MB

Table of Contents
2
Content Index
2
Abbreviations & Acronyms

3
- Trademark
  3
1 About this Manual

3
2 Introduction

4
3 Product Overview

5
- Specification
  5
  - Operational Specification
    6
  - Power Supply
    6
  - Signal Interface
    7
  - Video Performance
    9
  - Scan Range
    9
  - Plug & Play DDC2B DDC-CI Support
    9
  - Support Timings
    10
  - HDMI Video Support Timing
    11
  - Operational & Functional Specification
    11
  - Brightness Adjustable Range
    12
  - Acoustical Noise
    12
  - Environment
    12
  - Electrostatic Discharge Requirements
    13
  - Emc
    13
  - Reliability
    13
  - Audio Performance (Ear-Jack, for HDMI Audio Only)
    14
  - LCD Characteristics
    14
  - The Physical Definition & Technology Summary of LCD Panel
    14
  - Optical Characteristics of LCD Panel
    14
  - User Controls
    15
  - User’s Hardware Control Definition
    15
  - OSD Control Function Definition
    15
  - Mechanical Characteristics
    16
  - Dimension
    16
  - Weight
    16
  - Plastic
    16
  - Pallet & Shipment
    17
  - Container Specification
    17
  - Carton Specification
    17
  - Certification
    17
- Customer Acceptance
  19
  - Scope
    19
  - Application
    19
  - Definition
    19
  - Classification of Defectives
    20
  - Critical Defective
    20
  - Major Defective
    20
  - Expression of Defectives
    20
  - Test Conditions
    21
  - Test Equipments
    21
  - Visual Inspection Criteria
    21
  - Operational Inspection Criteria
    23
  - List of Test Pattern
    23
  - Panel Inspection Criteria
    24
- Software / Firmware Upgrade Process
  25
- Hardware Requirement
  25
4 Level 1 Cosmetic / Appearance / Alignment Service

25
- Software Prepare
  26
- Alignment Procedure (for Function Adjustment)
  31
  - Color Balance Adjustment
    31
  - Timing Adjustment
    31
  - Color Adjustment
    32
  - Writing EDID File
    32
  - Command Definition
    33
- Exploded View
  39
5 Level 2 Disassembly /Assembly Circuit Board and Standard Parts Replacement

39
- Disassembly /Assembly
  41
- Assembly SOP
  45
- Main-Shielding Position
  50
- Packing
  51
- Block Diagram
  52
- Trouble Shooting Guide
  53
  - No Display or Display Is Unstable on Analog, Digital or Video Port
    53
  - BUTTON Function
    54
  - OSD Is Not Working
    54
  - OSD Function
    54
  - OSD Doesn’t Work
    54
  - Power no Work Troubleshooting
    55
  - DC/DC Converter
    55
  - AC/DC Converter
    56
  - Inverter
    57
- Circuit Operation Theory
  58
  - Interface Board Diagram
    58
  - Monitor Diagram
    58
  - IC Introduction
    59
  - Control Board Introduction
    59
  - DDC (Display Data Channel) Function
    59
  - Scalar IC
    59
  - Power Board Diagram
    60
  - EMI Filter
    60
  - Rectifier and Filter
    61
  - Switching Element and Isolation Power Transformer
    61
  - PWM Controller
    63
  - Feedback Circuit
    64
  - DC-DC Circuit
    64
  - IC851(TL1451) Is a 2-Way PWM Control IC
    65
  - Inverter Circuit Operation Theory
    66
  - LCDM Inverter Controller --- OZ9933
    66
  - Pin Assignment of OZ9933
    66
  - Full-Bridge Configuration
    67
  - Q801, Q802 and T801 Form a Full-Bridge Configuration
    67
  - Feed-Back Circuit
    68
  - Standard Screw Torque Spec.
    69
Appendix 1 - Screw List / Torque

69
Appendix 2-Physical Dimension Front View and Side View

72
- Appearance Description
  73

Benq G2420HD User Manual (30 pages)

24" Wide-Screen LCD Monitor

Brand: Benq | Category: Monitor | Size: 0.99 MB

Power Safety
2
Care and Cleaning
2
Table of Contents
3
Getting Started
4
Getting to Know Your Monitor
6
- Front View
  6
- Back View
  6
How to Assemble Your Monitor Hardware
7
- How to Detach the Stand Base
  10
Getting the most from Your Benq Monitor
11
Picture Optimization
17
How to Adjust Your Monitor
18
- The Control Panel
  18
- Hot Key Mode
  19
- Main Menu Mode
  20
Troubleshooting
29
- Frequently Asked Questions (FAQ)
  29
- Need more Help
  30

BenQ G2420HD User Manual (30 pages)

User Manual

Brand: BenQ | Category: Monitor | Size: 1.09 MB

Power Safety
2
Care and Cleaning
2
Table of Contents
3
Getting Started
4
Getting to Know Your Monitor
6
- Front View
  6
- Back View
  6
How to Assemble Your Monitor Hardware
7
- How to Detach the Stand Base
  10
Getting the most from Your Benq Monitor
11
Picture Optimization
16
How to Adjust Your Monitor
17
- The Control Panel
  17
- Hot Key Mode
  18
- Main Menu Mode
  19
Troubleshooting
29
- Frequently Asked Questions (FAQ)
  29
- Need more Help
  30

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Benq G2420HD Manuals

BenQ G2420HD Product Service Manual (74 pages)

Table of Contents

Abbreviations & Acronyms

1 About this Manual

2 Introduction

3 Product Overview

4 Level 1 Cosmetic / Appearance / Alignment Service

5 Level 2 Disassembly /Assembly Circuit Board and Standard Parts Replacement

Appendix 1 - Screw List / Torque

Appendix 2-Physical Dimension Front View and Side View

Benq G2420HD User Manual (30 pages)

Table of Contents

BenQ G2420HD User Manual (30 pages)

Table of Contents

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