1
Service Manual
Published by CO 9871 TV Service Department
Printed in The Netherlands
Subject to modification
5
4822 727 21622
©
Copyright reserved 1998 Philips Consumer Electronics B.V. Eindhoven, The
Netherlands. All rights reserved. No part of this publication may be reproduced,
stored in a retrieval system or transmitted, in any form or by any means, electron-
ic, mechanical, photocopying, or otherwise without the prior permision of Philips.
Colour Television
Chassis
MG2.1E
AA
mg21frtp.eps
290798
Content
1.
Technical specifications
2
2.
Connection facilities, chassis overview
3
3.
Safety instructions, maintenance,
5
warnings and Notes
4.
Mechanical instructions
7
5.
Service modes, DST, error messages,
9
protections, faultfinding and repair tips including:
Errorcodes-table
15
Protection-structure (overview and detailed)
17
Fault find tree
22
6.
Block diagrams
29
Block diagram
29
(Supply, Deflection, CRT)
Block diagram
30
(Video, Audio, Control)
Survey of testpoints
31
Oscillograms
32
Wiring diagram
33
Overview I
2
C -ICs
33
Supply lines overview
34
7.
Electrical Diagrams and PWB lay-outs
Diagram PWB
Power Supply
(Diagram A1)
35
36,37
Line Deflection
(Diagram A2)
38
36,37
Frame Deflection / Frame Rotation (Diagram A3) 39
36,37
Audio Amplifier
(Diagram A4)
40
36,37
Mains switch Panel
(Diagram E)
41
41
CRT / Scavem Panel
(Diagram F)
42
43
Tuner, IF, I/O, Video processing
(Diagram K1)
46
44,45
Input / Output
(Diagram K2)
47
44,45
Sound processing
(Diagram K3)
48
44,45
Audio Dolby
(Diagram K4)
49
44,45
Secam Correction
(Diagram U)
49
49
Featurebox 6 (Eco)
(Diagram K5)
50
44,45
Video control & Geometry
(Diagram K6)
51
44,45
Teletext & Control
(Diagram K7)
52
44,45
Side I/O Panel
(Diagram O)
53
53
Top Control Panel
(Diagram P)
54
54
DC Shift
(Diagram G)
54
54
Diversity tables
55
8.
Electrical alignments
57
9.
Circuit Descriptions: not available (see Training
Manual)
63
10. Directions for use
64
11. List of abbreviations
75
12. Spare parts list
77
Published by CO 9871 TV Service Department
Printed in The Netherlands
Copyright reserved 1998 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permision of Philips.
Subject to modification
5
4822 727 21622
