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Mitsubishi VS-60609 - User Manual

Mitsubishi VS-60609
71 pages
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CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in this manual.
Weight and dimensions shown are approximate.
Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2001 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
PROJECTION TELEVISION
VZ9 / VZ9+ CHASSIS
MITSUBISHI ELECTRIC
Service
Manual
2001
SPECIFICATIONS
Power Input : AC 120V, 60Hz
Power : 200W
Consumption
Frequency : VHF 54 ~ 470MHz
Range UHF 470 ~ 806MHz
Antenna Input : VHF/UHF 75 unbalanced
Single axis input
CRT Size :7"
High Voltage : 32.0kV (at 0A)
Speaker : [VZ9]
4" round type, full range 2 pcs.
(8 10W)
[VZ9+]
5" round type, full range 2 pcs.
(8 10W)
Weight : [VS-45609] 176 lbs
[VS-50609] 198 lbs
[VS-55609] 229 lbs
[VS-60609] 259 lbs
[VS-60719] 253 lbs
[VS-70709] 369 lbs
Cabinet : [Model] (H)x(W)x(D)
Dimensions : [VS-45609] 48"x38.4"x22.2"
: [VS-50609] 50.4"x42.8"x23.8"
: [VS-55609] 54.8"x46.4"x23.7"
: [VS-60609] 60.8"x50.6"x29"
: [VS-60719] 60.8"x50.6"x29"
: [VS-70709] 70.5"x58.7"x29.4"
Input Level : VIDEO IN JACK (RCA Type)
1.0Vp-p 75unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43k unbalanced
: S-VIDEO IN JACK
(Y/C separate type)
Y:1.0 Vp-p C:0.286Vp-p(BURST)
75unbalanced
: Component Inputs (RCA Type)
Y: 1.0Vp-p
Cr, Cb: 700mVp-p
Output Level : VIDEO OUT JACK (RCA Type)
1.0Vp-p 75 unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7kunbalanced
VZ9+
MODELS
VS-60719
VS-70709
VZ9
MODELS
VS-45609
VS-50609
VS-55609
VS-60609
-

Table of Contents

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Summary

Specifications

Specifications

Detailed technical specifications for VZ9/VZ9+ models, including power, frequency, and dimensions.

Disassembly

Front Cabinet Components

Instructions for removing front cabinet parts, including speaker grille and front board.

Rear Cabinet Components

Instructions for removing rear cabinet parts, including back board and light box assembly.

Servicing Lenticular and Fresnel Lens

Removal of Lenticular and Fresnel Lens

Procedure for removing the screen assembly components, including cautions for handling.

Installation of Lenticular and Fresnel Lens

Procedure for installing screen assembly components using specified tape and pads.

VS-70709 Cabinet Separation Procedure

VS-70709 Cabinet Separation Procedure

Steps to separate the VS-70709 model's cabinet for delivery and setup.

Servicing the DiamondShield

DiamondShield Removal Procedure

Steps to remove the DiamondShield™ molding clips and shield, with model variations.

DiamondShield Installation Procedure

Steps to install the DiamondShield™ molding clips and shield, reversing removal.

Servicing PCBs

Chassis Removal and PCB Locations

Guide to removing the chassis and identifying PCB locations on the main unit.

Major Parts Locations

Diagram showing the placement of key components on the main PCB.

CRT Replacement

Removal of the CRT

Step-by-step guide for safely removing the Cathode Ray Tube, including discharge precautions.

Installation of the CRT

Step-by-step guide for safely installing a new Cathode Ray Tube, including handling care.

Electrical Adjustments

Test Equipment

List of required tools for performing electrical adjustments and alignments.

Test Signal

Types of test signals, such as Monoscope and Color Bar, needed for adjustments.

Initial Setup

Procedures for initial setup, including option menu and default settings.

LED Indicator Diagnostics

Interpreting LED flashes for error codes and system status.

Circuit Adjustment Mode

How to enter and navigate the circuit adjustment mode using the remote control.

Convergence Adjustment Mode

Procedures for raster geometry and convergence adjustments using specific modes.

Adjustment Items List

Comprehensive list of adjustable items for VCJ, Audio, and PIP functions.

Convergence Mode Items

Detailed list of items for CONV MISC, CONV GREEN, RED, BLUE, and DF adjustments.

Chip Parts Replacement

Chip Parts Replacement Cautions

Essential cautions for replacing surface-mount components like resistors, capacitors, and diodes.

Replacement Parts

Parts Ordering Information

How to specify and order replacement parts, including model and part numbers.

Parts Tolerance Codes

Understanding component tolerance markings for resistors and capacitors.

Quick Reference for Common Replacement Parts

CRT Assemblies and Remote Controls

Common replacement parts for CRT assemblies and remote controls.

High Voltage;Deflection Components

Common replacement parts for high voltage and deflection systems.

Miscellaneous Components

Other common replacement parts like lenses, mirrors, and screws.

Circuitry Block Diagrams

Power Supply Block Diagram

Diagram illustrating the power supply circuit, including main and signal boards.

Video;Color Signal Path

Diagram showing the flow of video and color signals through the TV.

Sound Circuit

Block diagram of the audio processing circuit.

Deflection & HV

Block diagram for deflection and high voltage systems.

Protect Circuit

Block diagram of the protection circuitry.

Convergence Circuitry

Block diagram illustrating convergence signal processing.

Control Circuit

Block diagram of the television's control system.

Schematic Diagrams

PCB Layout Diagrams

Introduction

Service Manual Overview

Introduction to the service manual's scope, contents, and models covered.

Product Safety Notice

Product Safety Precautions

Critical safety information regarding electrical and mechanical parts and component replacement.

Safety Precautions

General Warnings and X-Radiation

Safety warnings for high voltage, picture tubes, and X-radiation during servicing.

Leakage Current Check

Procedures for performing hot and cold leakage current tests before returning to customer.

Cabinet Disassembly (Front View)

Front Cabinet Disassembly

Step-by-step instructions for front cabinet disassembly, referencing figures.

Cabinet Disassembly (Rear View)

Rear Cabinet Disassembly

Step-by-step instructions for rear cabinet disassembly, referencing figures.

Servicing Lenticular and Fresnel Lens

Removal of Lenticular and Fresnel Lens

Procedure for removing the screen assembly components, including cautions for handling.

Servicing Lenticular and Fresnel Lens

Installation of Lenticular and Fresnel Lens

Procedure for installing screen assembly components using specified tape and pads.

Cabinet Separation Procedure (VS-70709)

VS-70709 Cabinet Separation Procedure

Steps to separate the VS-70709 model's cabinet for delivery and setup.

Servicing the DiamondShield

DiamondShield Removal Procedure

Steps to remove the DiamondShield™ molding clips and shield, with model variations.

DiamondShield Installation Procedure

Steps to install the DiamondShield™ molding clips and shield, reversing removal.

Servicing PCBs

Chassis Removal and PCB Locations

Guide to removing the chassis and identifying PCB locations on the main unit.

Major Parts Locations

Diagram showing the placement of key components on the main PCB.

CRT Replacement

Removal of the CRT

Step-by-step guide for safely removing the Cathode Ray Tube, including discharge precautions.

CRT Replacement

Installation of the CRT

Step-by-step guide for safely installing a new Cathode Ray Tube, including handling care.

Electrical Adjustments

Test Equipment

List of required tools for performing electrical adjustments and alignments.

Test Signal

Types of test signals, such as Monoscope and Color Bar, needed for adjustments.

Electrical Adjustments

Initial Setup

Procedures for initial setup, including option menu and default settings.

Default Settings

Table of factory default settings for various TV functions.

Electrical Adjustments

LED Indicator Diagnostics

Interpreting LED flashes for error codes and system status.

Electrical Adjustments

Circuit Adjustment Mode

How to enter and navigate the circuit adjustment mode using the remote control.

Electrical Adjustments

Convergence Adjustment Mode

Procedures for raster geometry and convergence adjustments using specific modes.

Adjustment Items List

VCJ Function Adjustments

List of adjustable items for Video, Color, and Geometry functions.

Audio Function Adjustments

List of adjustable items for audio input level and separation.

PIP Function Adjustments

List of adjustable items for the Picture-In-Picture feature.

Convergence Mode Items

CONV MISC Items

Miscellaneous convergence adjustments including HV control.

CONV GREEN Items

Adjustments for green convergence and raster geometry.

Convergence Mode Items

CONV RED and BLUE Items

Adjustments for red and blue convergence and raster geometry.

DF Function Adjustments

Adjustments for dynamic focus (horizontal and vertical).

Location of Test Points and Adjustments

PCB Component Locations

Diagrams showing test points and component locations on PCBs.

[Audio Circuit]

Input Level Adjustment

Setting the input signal level for the MCS circuit.

Separation Adjustment

Adjusting for optimal stereo separation.

[High Voltage Circuit]

High Voltage Control

Setting the CRT anode voltages for proper picture brightness.

[Focus]

Dynamic Focus Adjustment

Improving edge focus by adjusting dynamic focus.

[Focus]

Electrostatic Focus Adjustment

Setting the focus to the optimum point using VR controls.

Lens Focus Adjustment

Adjusting lens position for optimal focus with monochrome pictures.

[CRT Circuit]

CRT Cutoff Adjustment

Setting the cutoff point for all three CRTs.

White Balance (High Color Temperature)

Adjusting white balance for high color temperature.

[CRT Circuit]

White Balance (Low Color Temperature)

Adjusting white balance for low color temperature.

[Video Circuit]

Black Level Adjustment

Setting the black level for optimal contrast.

[Video Circuit]

Sub Contrast Adjustment

Setting the beam current to its optimum level.

[PIP Circuit]

Color and Tint (PIP Insert Picture)

Matching main and sub picture colors for PIP.

[Cb, Cr Circuit]

Cb, Cr Offset Adjustment

Matching gray scales between color and monochrome pictures.

[On Screen Display Circuit]

Character Position Adjustment

Positioning the on-screen display elements correctly.

[Defl;Conv Circuits]

Geometry Preset

Presetting convergence circuit geometry adjustments.

[Deflection Circuit]

Height and Vert. Linearity

Setting the vertical height and linearity of the picture.

[Convergence Circuit]

Static Convergence Adjustment

Converging red, green, and blue at the screen center.

[Convergence Circuit]

Geometry Adjustment

Setting convergence circuit geometry for raster distortion correction.

[Convergence Circuit]

Coarse Convergence

Converging red and blue signals onto the green signal.

[Convergence Circuit]

Fine Convergence

Fine-tuning convergence for red and blue signals onto the green.

Chip Parts Replacement

Chip Parts Replacement Cautions

Essential cautions for replacing surface-mount components like resistors, capacitors, and diodes.

Replacement Parts

Parts Ordering Information

How to specify and order replacement parts, including model and part numbers.

Parts Tolerance Codes

Understanding component tolerance markings for resistors and capacitors.

Quick Reference for Common Replacement Parts

CRT Assemblies and Remote Controls

Common replacement parts for CRT assemblies and remote controls.

High Voltage;Deflection Components

Common replacement parts for high voltage and deflection systems.

Miscellaneous Components

Other common replacement parts like lenses, mirrors, and screws.

Circuitry Block Diagrams

Power Supply Block Diagram

Diagram illustrating the power supply circuit, including main and signal boards.

Video;Color Signal Path

Video;Color Signal Path Diagram

Diagram showing the flow of video and color signals through the TV.

Sound Circuit

Sound Circuit Block Diagram

Block diagram of the audio processing circuit.

Deflection & HV

Deflection and High Voltage Block Diagram

Block diagram for deflection and high voltage systems.

Protect Circuit

Protect Circuit Block Diagram

Block diagram of the protection circuitry.

Convergence Circuitry

Convergence Circuitry Block Diagram

Block diagram illustrating convergence signal processing.

Control Circuit

Control Circuit Block Diagram

Block diagram of the television's control system.

Mitsubishi VS-60609 Specifications

General IconGeneral
Display TechnologyCRT
ResolutionHDTV
Aspect Ratio16:9
Weight225 lb
Dimensions56.3" x 52.4" x 26.2"
Screen Size60 inches
InputsComposite, S-Video

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