Mitsubishi Electric WS-48311 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 this manual.
SCHEMATIC DIAGRAMS
CONTENTS
Schematic Diagrams
Overall PCB Block Diagram ........................................... 1
PCB-MAIN ..................................................................... 2
PCB-POWER ................................................................ 3
PCB-TERMINAL (Input Switch)....................................... 4
PCV-TERMINAL (3DYC / Decoders .............................. 5
PCB-SIGNAL-1 (AV I/O) ................................................. 6
PCB-SIGNAL-2 (MICRO) ............................................... 7
PCB-SIGNAL-3 (VCJ) ................................................... 8
PCB-SIGNAL- 4 (Convergence Generator ..................... 9
PCSs - FRONT / CONTROL / CRTs / PREAMP ........... 10
PCB-2HDW-1 (Input)..................................................... 11
PCB-2HDW-2 (Main) ................................................... 12
PCB-2HDW-3 (Output) ................................................. 13
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
All manuals and user guides at all-guides.com
WS-55411
WS-65411
WS-73411
PART 2
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2002 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
Ser Ser
Ser vice
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Manual Manual
Manual
Manual Manual
PROJECTION TELEVISION
V20A / V20C / V20C+ CHASSIS
V20A
MODELS MODELS
VS-50111 WS-48311
VS-60111 WS-55311
WS-65311
Page
Refer to PART 1 for:
vice vice
vice
vice
V20C V20C
MODELS
WS-55411
WS-65411
WS-73411
• Specifications
• Safety Precautions
• Disassembly
• CRT Replacement
• Electrical Adjustments
• Parts List
• Block Diagrams
2002 2002
2002 2002 2002