Mitsubishi Electric WS-B55 Service Manual

MITSUBISHI ELECTRIC

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.

SCHEMATIC DIAGRAMS

CONTENTS

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

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

All manuals and user guides at all-guides.com

WS-65611

PART 2

9351 Jeronimo Road, Irvine, CA 92618-1904

Copyright © 2002 Mitsubishi Digital Electronics America, Inc.

All Rights Reserved

Service

Manual

PROJECTION TELEVISION

V21 / V21+ / V21++ CHASSIS

V21

V21+

MODELS

MODELS

WS-48511

WS-65611

WS-55511

WS-65511

WS-B55

Page

Refer to PART 1 for:

V21++

MODELS

WS-55711

WS-65711

WS-65712

WS-73711

• Specifications

• Safety Precautions

• Disassembly

• CRT Replacement

• Electrical Adjustments

• Parts List

• Block Diagrams

2002

2002

2002

2002

2002