Philips 220B4LPCS/00 Service Manual

22 LCD Color Monitor
Service
Service
Service
Description
Table of Contents......................................................1
Revision List.............................................................2
Important Safety Notice............................................3
1. Monitor Specifications............................................5
2. LCD Monitor Description........................................7
3. Operation Instructions............................................8
3.1General 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 Board.....................................................16
6. Schematic Diagram.............................................. 17
6.1 Scaler Board..............................................17
6.2 Power Board.......................................................22
6.3 Key Board.................................................25
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 2012 Philips Consumer Lifestyle
220B4LPCS/00
220B4LPCB/00
220B4LPCB/27
220B4LPCB/69
220B4LPCB/75
Description
Page
6.4 IR Board....................................................26
6.5 EAR Board.................................................27
6.6 USB Board.................................................28
7. PCB Layout................................................29
7.1 Scaler Board............................................29
7.2 Power Board.............................................30
7.3 Key Board.................................................31
7.4 IR Board....................................................31
7.5 EAR Board.................................................31
7.6 USB Board.................................................32
8. Wiring Diagram.............................................33
9. Scaler Board Overview..................................34
10. Mechanical Instructions...............................35
11. Repair Flow Chart........................................38
12. ISP Instructions..................................................42
13. DDC Instructions................................................50
14. White Balance, Luminance Adjustment..............59
15. Monitor Exploded View.......................................61
16. Recommended & Spare Parts List......................62
17. General Product Specification.......................64
SAFETY NOTCE
Subject to modification
K
Jul.24,2012
Chassis: Meridian 3
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