21.5
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LCD Color Monitor Chassis: Meridian 3
Service
Service
Service
Description
Page
Table of Contents.........................................………….1
Revision List………….................................................2
Important Safety Notice…………................................3
1. Monitor Specifications….........................................5
2. LCD Monitor Description….....................................7
3. Operation Instructions….........................................8
3.1 General Instructions………………………….…...8
3.2 Control Buttons…………..……………………….…8
3.3 OSD Menu………………….................................9
4. Input/output Specification............................…….10
4.1 Input Signal Connector...............................……10
4.2 Resolution & Preset Modes.................................11
4.3 Pixel Defect Policy…………………………………12
4.4 Failure Mode of Panel………………………….....14
5. Block Diagram………………………….................15
5.1 Scaler Board....................................………….....15
5.2 Power/USB Board................................…...........16
6. Schematic Diagram.............................................. 17
6.1 Scaler Board…………………….…………………17
6.2 Power Board..............................................…...22
6.3 USB Board…….…………………………………25
Description
Page
6.4 IR Board…….………………………………………27
6.5 Light Board…….…………………………………29
6.6 Key Board…….……………………………………30
7. PCB Layout………………………………………...31
7.1 Scaler Board……………………………………..31
7.2 Power Board..............................................…...33
7.3 USB Board…….……………………………………36
7.4 IR Board…….…………………………….………38
7.5 Light Board…….…………………………………39
7.6 Key Board…….…………………………….………39
8. Wiring Diagram………………………………….…..40
9. Scaler Board Overview………….………………....42
10. Mechanical Instructions………………………...43
11. Repair Flow Chart…….……………………………46
12. ISP Instructions...…............................................50
13. DDC Instructions….............................................55
14. White Balance, Luminance Adjustment…...........65
15. Monitor Exploded View…....................................67
16. Recommended & Spare Parts List...…................68
17. General Product Specification…………...……….70
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Copyright 2011 Philips Consumer Lifestyle Subject to modification
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K
Aug.08, 2011
221P3LPEB/00
221P3LPEB/69
221P3LPEB/75
221P3LPEB/96
221P3LPES/00
221P3LPES/93
