Mitsubishi Electric WS-48311 User manual

CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in 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
SerSer
SerSer
Servicevice
vicevice
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ManualManual
ManualManual
Manual
20022002
20022002
2002
PROJECTION TELEVISION
V20A / V20C / V20C+ CHASSIS
V20A
MODELS
VS-50111
VS-60111
V20C
MODELS
WS-48311
WS-55311
WS-65311
WS-55411
WS-65411
WS-73411
PART 2
SCHEMATIC DIAGRAMS
CONTENTS Page
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
Refer to PART 1 for:
• Specifications
• Safety Precautions
• Disassembly
• CRT Replacement
• Electrical Adjustments
• Parts List
• Block Diagrams
V20C
MODELS
WS-55411
WS-65411
WS-73411
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