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Order No. MAD0403002C2
Video Cassette Recorder
R4-MECHANISM CHASSIS FOR EURO MODEL
INTRODUCTION
The R4-Mechanism chassis are built in several Panasonic VHS Video Cassette Recorders for
European market from year 2004.
2004 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is violation of law.
CONTENTS
1.OUT LINE OF R4 MECHANISM ......................................................................................................... 3
1-1.DIFFERENCE BETWEEN Z-MECHANISM AND R4-MECHANISM .......................................... 3
1-2.THE TAPE TRANSPORT PATH ................................................................................................. 3
1-3.PARTS NAME OF R4 MECHANISM ......................................................................................... 4
1-4.NEW DD CYLINDER UNIT ........................................................................................................ 6
1-5.PG SHIFTER AUTOMATIC ADJUSTMENT ............................................................................... 7
2.REMOVAL OF CASSETTE TAPE ....................................................................................................... 9
3.REMOVAL OF CASSETTE HOLDER UNIT & MECHANISM CHASSIS .......................................... 11
3-1.REMOVAL OF MECHANNISM CHASSIS UNIT ...................................................................... 11
3-2.REMOVAL OF CASSETTE HOLDER UNIT ............................................................................. 11
4.DISASSEMBLY/ASSEMBLY METHOD FOR MECHANISM ..............................................................12
4-1.DISASSEMBLY OF MECHANISM ........................................................................................... 12
4-2.ASSEMBLY AND PHASE ADJUSTMENT OF MECHANISM .................................................. 16
5.MECHANICAL ADJUSTMENT PROCEDURE .................................................................................. 25
5-1.P2 AND P3 POST ADJUSTMENT (PREADJUSTMENT) ........................................................ 25
5-2.TAPE INTERCHANGEABILITY ADJUSTMENT ....................................................................... 25
Servicing Fixture and Tools .............................................................................................................30
6.SERVICE INFORMATION DISPLAY .................................................................................................. 31
7.SELF