Philips 221TE4LB/57 Service Manual

21.5"&23"TV Monitor
Service
Service
Service
Description

Table of Contents......................................................1

Revision List.............................................................2
Important Safety Notice............................................3
1. General Specifications............................................5
2. TV Monitor Description.........................................6
3. Operation Instructions............................................7
3.1 Front Controls and Indicators...........................7
3.2 Connection Overview..........................................7
3.3 Remote Control ............................................9
4. Input/output Specification....................................11
4.1 Input Signal Connector......................................11
4.2 Factory Preset Display Modes............................13
4.3 Pixel Defect Policy.......................................13
4.4 Failure Mode of Panel.................................16
5. Block Diagram..............................................17
5.1 Scaler Board.....................................................17
5.2 Power Board.....................................................18
6. Schematic Diagram.............................................. 19
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 VOLTAGE
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Copyright 2012 Philips Consumer Lifestyle
221TE4LB/57
231TE4LB/57
221TE4LB/55
231TE4LB/44
231TE4LB/55
231TE4LB/45
Page Description
6.1 Scaler Board..............................................19
6.2 Power Board.......................................................39
6.3 IR Board....................................................43
6.4 Key Board.................................................44
7. PCB Layout................................................45
7.1 Scaler Board.............................................45
7.2 Power Board..............................................47
7.3 IR Board...................................................50
7.4 Key Board................................................50
8. Wiring Diagram.............................................51
9. Scaler Board Overview..................................52
10. Mechanical Instructions...............................53
11. Trouble Shooting.........................................55
12. ISP Instructions..................................................58
13. White Balance, Luminance Adjustment............59
14. Monitor Exploded View.......................................60
15. Recommended & Spare Parts List..................... 61
16. General Product Specification......................63
SAFETY NOTICE
Subject to modification ○ K Jul.13, 2012
Chassis: Meridian 4
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