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Philips HP L1502 User Manual

Philips HP L1502
65 pages
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15" TFT LCD Colour Monitor
Horizontal frequencies
47 - 63 kHz
Service
Service
Service
TABLE OF CONTENTS
SAFETY NOTICE
Published by BCU Monitor Printed in Taiwan Copyright reserved Subject to modification Sep. 10 2003
GB
3138 106 10308
Compaq fp5315
AJ2S4M/02
w/ audio
XH3 HP 15”
Important Safety Notice .................................. 2
Technical Data & Power Management.............. 3
Factory Mode .......................................... ...... 8
............................................10
Definition of Pixel Defects.............................. 13
Mechanical Instructions .................................14~15
Connecting to PC & the Monitor Front panel......4
OSD manu ..................................................... 5
Warning Message......... ..................................6
OSD Aging Mode & Lock/unlock.......................7
Failure mode of LCD panel...............................9
Troubleshooting
Wiring Diagram..............................................11
Flat Panel Adjust ...........................................12
Safety Test Requirements ..............................16
Electrical Instructions............................. .......17
Display Adjustment........................................18~19
DDC Instructions and DDC Data .................... 20~25
ISP Instruction...............................................26
Repair Flow Chart...........................................27~29
Repair tips .....................................................30
~32
D-SUB / DVI Diagram .....................................33
ROM Diagram ................................................34
Scaler Diagram ..............................................35~36
Control board Diagram and (C.B.A) ................ 39
Power board Diagram .................................... 40~41
Scaler board C.B.A-1&-2.................................44
Spare Parts List
Function Block Diagram..................................31
Power Diagram ..............................................37
Audio Diagram............................................... 38
Power board C.B.A.-1&-2................................42~43
Exploded View................................................45
Recommended Parts List & ....46~47
General product Specification ........................ 48~63
Different Parts List..........................................64~65
Description
Description
Page
Page
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
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.
S
HP L1523
AJ6S4M/02
w/ audio
HP L1502
AJ6S40/02
w/o audio
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Philips HP L1502 Specifications

General IconGeneral
Screen Size15 inches
Resolution1024 x 768
Brightness250 cd/m²
Response Time25 ms
ConnectivityVGA
Aspect Ratio4:3
Viewing Angle120° (H) / 100° (V)
Input Connectors1 x VGA
Weight3.5 kg

Summary

Service Manual

IMPORTANT SAFETY NOTICE

Technical Specifications LCD

Power management

Describes the power management states and LED indicators.

Connecting to Your PC

Installing the Monitor Pedestal

Provides instructions for attaching and removing the monitor pedestal.

On-Screen Display

OSD Lock/Unlock, Aging &, Enable/Disable "warning message"

Factory mode

Failure Mode of LCD panel

Troubleshooting

Solving Common Problems

Table listing common monitor problems, their causes, and solutions.

Flat Panel Adjust

Definition of Pixel Defects

Mechanical Instructions

Safety Test Requirements

HI-POT TEST INSTRUCTION

Detailed instructions and requirements for performing Hi-Pot testing on the monitor.

Electrical Instructions

Display Adjustment (B)

Procedures for adjusting display settings, including flicker and color calibration.

Display Adjustment

Auto color adjustment

Steps for performing automatic color calibration using specific test patterns.

Color temperature adjustment

Procedures for adjusting color temperature using a color analyzer.

DDC Instructions

DDC Data Re-programming

Information and procedures for reprogramming DDC data and EEPROM.

Re-programming Analog DDC IC

Detailed guide for reprogramming the Analog DDC IC with specific software.

THE DISPLAY DATA CHANNEL (DDC) 2B CONTENT (FOR analog)

Details the content and structure of DDC 2B data for analog signals.

Step 3: Modify DDC data (verify EDID version, week, year)

Steps to modify DDC data, including EDID version, week, and year.

ISP CABLE for CPU GM2116AA

Troubleshooting :

Provides troubleshooting tips for common issues encountered during ISP operations.

Repair Flow Chart

No Display

Flowchart section addressing troubleshooting steps when the display shows no image.

Repair Flow Chart (Continued)

Bad brightness

Flowchart section addressing troubleshooting steps for poor brightness issues.

Bad image

Flowchart section for diagnosing and resolving general bad image quality problems.

Repair Tips

Servicing of SMDs (Surface Mounted Devices)

General guidelines and cautions for handling, removing, and attaching Surface Mounted Devices.

Exploded View

Recommended Parts List

General Product Specification

Approved Panel Specification

Details of the approved panel specifications, including optical and electrical characteristics.

Fail-Safe Modes

Explains the monitor's behavior in fail-safe modes, such as out-of-range signals.

OSD Definitions

Explains OSD menu structures and how factory defaults are affected by reset.

Panel Defect Limits

Defines limits for visual and electrical defects found on the LCD panel.

HP Monitor Test Summary

Summary of various tests performed on the monitor, including transportation and vibration tests.

Agency Approvals

List of international agency approvals and compliance certifications for the monitor.

Power Supply Requirements

Specifications related to the monitor's internal power supply.

Monitor Modes and Timing Capability

Details the monitor's ability to synchronize with various video formats and timings.

DDC and EDID

Information on DDC protocols and EDID structure, including version and support.

Environmental characteristics

Specifies the environmental requirements for the monitor's operation and storage.

Product Safety Requirements and Approvals

Details safety standards and certifications met by the monitor.

Power Management Onset

Describes how the monitor enters and exits power management states.

Factory Assigned Display Modes

Lists the 11 pre-set video modes with factory configurations.

User control functions via OSD

Describes OSD button functions, including menu navigation and hot keys.

EMC Requirements and Approvals

Lists Electromagnetic Compatibility (EMC) requirements and approvals.

Factory Reset

Procedure for resetting monitor settings to factory defaults.

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