Mitsubishi Electric WT-42311 Service Manual

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

SCHEMATIC DIAGRAMS

CONTENTS
Schematic Diagrams
Overall PCB Block Diagram ..................................................... 1
PCB-MAIN................................................................................ 2
PCB-POWER ........................................................................... 3
PCB-TERMINAL (Input Switch) ............................................... 4
PCB-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
PCBs - CONTROL / CRTs / DBF / PREAMP / SVM / UNI ..... 10
PCB-DOUBLER-1 (Input) ....................................................... 11
PCB-DOUBLER-2 (Main) ....................................................... 12
PCB-DOUBLER-3 (Output) .................................................... 13
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
Copyright © 2002 Mitsubishi Digital Electronics America, Inc.
Service
Manual
PROJECTION TELEVISION
VK20 CHASSIS
PART 2
9351 Jeronimo Road, Irvine, CA 92618-1904
All Rights Reserved
WT-42311
WT-A42
Page
2002 2002 2002 2002 2002