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CAUTION:

Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in Part 1 of this manual.

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

9351 Jeronimo Road, Irvine, CA  92618-1904

Copyright  ©  2002  Mitsubishi Digital Electronics America, Inc.

All Rights Reserved

MITSUBISHI ELECTRIC

Service
Manual

2002

2002

2002

2002

2002

PROJECTION TELEVISION
V21 / V21+ / V21++ CHASSIS

V21

MODELS

WS-48511
WS-55511
WS-65511

WS-B55

V21+

MODELS

WS-65611

WS-65611

PART 2

SCHEMATIC DIAGRAMS

CONTENTS

Page

Overall PCB Block Diagram .......................................... 1
PCB-MAIN ..................................................................... 2
PCB-POWER ................................................................ 3
PCB-POWER ................................................................ 4
PCB-SIGNAL-1 (AV I/O) ................................................ 5
PCB-SIGNAL-2 (MICRO) .............................................. 6
PCB-SIGNAL-3 (VIDEO/CHROMA) ............................... 7
PCB-3DYC .................................................................... 8
PCBs-CONV GEN / JUNGLE ....................................... 9
PCBs-CONTROL / CRT / CROSSOVER / DBF /

DM POWER / FRONT / PREAMP / SVM ......... 10

PCB-2HDW-1 .............................................................. 11
PCB-2HDW-2 .............................................................. 12
PCB-2HDW-3 .............................................................. 13

Refer to PART 1 for:

•  Specifications
•  Safety Precautions
•  Disassembly
•  CRT Replacement
•  Electrical Adjustments
•  Parts List
•  Block Diagrams

V21++

MODELS

WS-55711
WS-65711
WS-65712
WS-73711

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