Mitsubishi Electric WS-B55 User manual

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
20022002
20022002
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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