Acer 7299sl Manuals

Manuals and User Guides for Acer 7299sl. We have 2 Acer 7299sl manuals available for free PDF download: Service Manual

Acer 7299sl Service Manual

Acer 7299sl Service Manual (80 pages)

Brand: Acer | Category: Monitor | Size: 0 MB

Table of Contents

Table of Contents
3
1 System Overview

7
- Introduction
  7
- Operational Specification
  7
  - Environment
    7
    
    Temperature
    7
    
    Humidity
    7
    
    Altitude
    7
  - Transportation
    8
    
    Vibration Test
    8
    
    Drop Test
    8
  - Packing Configuration
    9
    
    Container Specification
    9
    
    Carton Specification
    9
    
    Container Stowing & Carrying Specification
    10
    
    Container Carrying Capacity
    10
  - Environmental Protection Design
    12
  - Electrostatic Discharge Requirements
    12
  - Safety Requirements
    12
    
    110V Version
    12
  - EMI Requirements
    13
  - Acoustical Noise
    13
  - Reliability
    13
  - Mechanical Design for TCO 99
    13
- Input/Output Specifications
  13
  - Input Signal Requirements
    13
    
    Signal Cable
    13
    
    Video Signal
    14
    
    SYNC Signal
    14
    
    Timing
    14
    
    Input Signal Quality
    15
  - Power Supply Requirements
    15
    
    Input Power Requirements
    15
    
    Output Power Requirements
    15
    
    AC Power Inlet
    16
    
    Power Cord
    16
    
    Power Management Function
    16
  - CRT Requirements
    16
- Functional Specifications
  16
  - Display Quality
    16
    
    Display Date Area
    16
    
    Video AMP Performance
    16
    
    Light Output
    16
    
    Contrast Adjustment Range: over 15Db
    16
    
    Linearity
    17
    
    Geometric Distortion
    17
    
    Size Stability
    17
    
    Swing & Jitter
    17
    
    Focus
    17
    
    DDC1/2B Table
    18
    
    Usb
    22
  - Color Quality
    23
    
    Misconvergence
    23
    
    Moire
    23
    
    Impurity
    23
    
    White Balance
    23
    
    Color Uniformity
    24
    
    Physical Dimension & Appearance
    26
  - Mean Time to Repair
    27
    
    Fig.2 Pincushion Measurements
    28
  - Sl System Block Diagram
    35
  - Sl Function Block of Deflection & HV Generation
    36
  - Internal Function Block Diagram of the Autosync Deflection Controller TDA4856
    38
  - Sl Autosync Deflection Controller Circuit
    39
  - Sl Spot Killer and G1 Circuit
    40
  - Horizontal Size Processing Circuit
    42
  - H-Size PWM Converter
    43
  - H-Linearity Control Circuit
    45
  - High Voltage Processing Circuit
    46
  - High Voltage Feedback Compensation Circuit
    47
  - Horizontal Focus Circuit
    48
- Microcontroller Cricuit Operation
  48
  - 1Introduction
    48
  - Block Diagram
    48
  - Vertical Focus Circuit
    48
- MCU and the Peripheral Circuit Operation Theory
  49
- Switching Power Supply Operation Theory
  51
  - General Specification
    51
  - Block Diagram
    51
  - Circuit Operation Theorem
    51
    
    Rfi Filter
    51
    
    Rectifier and Filter
    52
    
    Switching Element and Isolation Transformer
    52
    
    Output Rectifier and Filter
    53
    
    Control Circuit
    53
    
    Feedback Circuit
    54
    
    Degauss Circuit
    54
    
    Power Saving Control
    54
- Video Circuit
  55
  - Design Specifications
    55
    
    Input
    55
    
    Sync Type
    55
    
    Pixel Rate
    55
    
    Light Output
    55
  - CRT Specifications
    55
    
    Heater Voltage
    55
    
    Cathode Spot Cutoff Voltage
    55
    
    Max-To- Min Cutoff Ratio
    55
  - Block Diagram
    56
- Circuit Descriptions
  56
  - Preamplifier [LM1282]
    56
  - CRT Driver [LM2405]
    56
  - Circuit Operation Theory
    57
  - DC Restoration
    59
3 Alignment Procedure

61
- Preparation for Alignment
  61
- B Adjustment
  61
- HV Adjustment
  61
- H-Center Adjustment
  61
- H-Size Preset
  61
- Factory Setting Mode Adjustment
  61
- Focus Adjustment
  61
- Convergence Adjustment
  62
- Color Temperature Auto Alignment
  62
- Clear All of User Mode Data
  62
- Power Saving Function Check
  62
- USB Test Procedure (Optional)
  63
4 Troubleshooting

65

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Acer 7299sl Service Manual

Acer 7299sl Service Manual (80 pages)

Brand: Acer | Category: Monitor | Size: 2 MB

Table of Contents

Table of Contents
3
Carton Specification
3
System Overview
7
Packing Configuration
9
Electrostatic Discharge Requirements
12
Safety Requirements
12
KM I Requirements
13
Reliability
13
Mechanical Design for TCO
13
Input/Output Specifications
13
Input Signal Requirements
13
Timing
14
Input Signal Quality
15
Power Supply Requirements
15
Input Power Requirements
15
Marking & Labels
26
Internal Function Block Diagram of the Autosync Deflection Controller TDA4856
38
Horizontal Size Processing Circuit
42
High Voltage Processing Circuit
46
High Voltage Output Circuit
47
ABL Circuit
47
Dynamic Focus Circuit
47
Vertical Focus Circuit
48
Horizontal Focus Circuit
48
Block Diagram
48
MCU and the Peripheral Circuit Operation Theory
49
CRT Specifications
55
CRT Driver [LM2405]
56
Alignment Procedure
61
Convergence Adjustment
62
Color Temperature Auto Alignment
62
Clear All of User Mode Data
62
Power Saving Function Check
62
Troubleshooting
65
Trouble Shooting for Short Circuit
66
Trouble Shooting for Bad Geometry
66
Trouble Shooting for no Picture
67
Trouble Shooting for Bad Video
68
Power Supply
69
Check MCU and OSD for no Video Output
70
Check OSD, MCU for no OSD Window
71

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