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MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2002 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
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 ELECTRIC
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SerSer
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ManualManual
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Manual
20022002
20022002
2002
Weight and dimensions shown are approximate.
Design specifications are subject to change without notice.
PROJECTION TELEVISION
V20A / V20C / V20C+ CHASSIS
SPECIFICATIONS
Power : AC 120V, 60Hz
240W (Except WS-73411)
275W (WS-73411 Only)
Frequency : VHF 54 ~ 470MHz
Range UHF 470 ~ 806MHz
Antenna Input : VHF/UHF 75 unbalanced
CRT Size : [7 inches] all but WS-73411
: [9 inches] WS-73411 only
High Voltage : 32.0kV (at 0A)
Weight / Cabinet Demensions
Speaker : [VS-50111 / VS-60111]
Two 4" round, full range (8 5W)
: [WS-48311 / WS-55311 / WS-65311]
Two 5" round, full range (8 10W)
: [WS-55411 / WS-65411 / WS-73411]
Two 6" round, full range (8 10W)
• Input Level : VIDEO IN JACK (RCA Type)
1.0Vp-p 75 unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43k unbalanced
: S-VIDEO IN JACK (Y/C separate)
Y=1.0 Vp-p C=0.286Vp-p(BURST)
75 unbalanced
: COMP / Y, Cr, Cb (RCA Type)
Y=1.0 Vp-p. Cr, Cb=700mVp-p
: ATV / Y(G), Pr(R), Pb(B), H, V
Y 1.0Vp-p with sync 75 (RCA Type)
Pr, Pb: 700mV 75
H, V: 3.0Vp-p 75
• Output Level : VIDEO OUT JACK (RCA Type)
1.0Vp-p 75 unbalanced
: AUDIO OUT JACK (RCA
Type)
-4.7dBm 4.7k unbalanced
V20A
MODELS
VS-50111
VS-60111
V20C
MODELS
WS-48311
WS-55311
WS-65311
WS-55411
WS-65411
WS-73411
V20C+
MODELS
WS-55411
WS-65411
WS-73411
Model Weight Height Width Depth
VS-50111 200 lbs 50.3" 42.4" 23.6"
VS-60111 263.5 lbs 60.8" 50.6" 29.2"
WS-48311 171.5 lbs 49" 44.5" 23"
WS-55311 237 lbs 50" 50.6" 26.3"
WS-55411 250 lbs 50.4" 50.6" 27.9"
WS-65311 326.5 lbs 61.9" 59" 28.1"
WS-65411 326.5 lbs 61.9" 59" 28.1"
WS-73411 400 lbs 66.1" 66.1" 28.9"
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1 2 3 4 5 6 ... 68 69

Sommario

Pagina 1 - MITSUBISHI ELECTRIC

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.9351 Jeronimo Road, Irvine, CA 92618-1904Copyright © 2002 Mitsubishi Digital Electronics America, Inc.

Pagina 2

Page 10MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411CABINET DISASSEMBLY (FRONT VIEW)Front Cabinet Disa

Pagina 3 - CONTENTS

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 11CABINET DISASSEMBLY (REAR VIEW)Rear Cabinet Disass

Pagina 4

Page 12MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS1.

Pagina 5 - PRODUCT SAFETY NOTICE

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 13SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSCA

Pagina 6 - SAFETY PRECAUTIONS

Page 14MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSCA

Pagina 7

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 152. Installation of the Lenticular Screen and Fresn

Pagina 8

Page 16MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411CABINET SEPARATION PROCEDURE(WS-65311 / WS-65411 /

Pagina 9

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 17SERVICING THE DIAMONDSHIELD™1. DiamondShield™ Remo

Pagina 10 - WS-55411 WS-65411 WS-73411

Page 18MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411SERVICING PCBsChassis Removal and PCB LocationsMaj

Pagina 11 - WS-65311

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 19ANODE LEAD REMOVALCAUTION: To prevent damage, the

Pagina 13

Page 20MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Figure 5-2Note: The 4 spring-loaded screws showni

Pagina 14 - WS-48311

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 211. Carefully position the replacement CRT and fast

Pagina 15 - Figure 2-2

Page 22MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-734111H40%40%100%75%Monoscope SignalSplit-Field Color B

Pagina 16 - CABINET SEPARATION PROCEDURE

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 233. Initial SetupA. Option Menu SetupFollow the ste

Pagina 17 - Side Molding Clips

Page 24MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Items in the table below are set to following afte

Pagina 18 - SERVICING PCBs

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 255. Circuit Adjustment ModeExcept for the following

Pagina 19 - CRT REPLACEMENT

Page 26MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411D. Saving Adjustment DataPress “ENTER” to save adj

Pagina 20 - 2. Installation of the CRT

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 271. Use the VIDEO button to select an item.2. Use t

Pagina 21

Page 28MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Cursor CoordinatesSpecific intersections in the Cr

Pagina 22 - ELECTRICAL ADJUSTMENTS

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 29Deflection Jungle Menu-2-2-5-7Item# Abbrev. Descri

Pagina 23 - MAIN MENU DEFAULT SETTINGS

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 3INTRODUCTION ...

Pagina 24 - AV Memory Initial Settings

Page 30MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411COARSE CONV GREEN (MENU-2-2-5-9-5)# Abbrev. Descri

Pagina 25 - 5. Circuit Adjustment Mode

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 31Adjustment Test Point LocationTest PointsDT pin 3

Pagina 26 - Coarse Conv. Display

Page 32Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Pagina 27 - F. FINE CONV (Press 4)

Page 33Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Pagina 28 - ADJUSTMENT ITEMS LIST

Page 34Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Pagina 29 - 0~127 22 22

Page 35Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Pagina 30 - 1 DFV -100 -140

Page 36Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Pagina 31

Page 37Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Pagina 32 - are activated

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 38Purpose:MeasuringInstrumentTest PointMeasuringRang

Pagina 33

Page 39MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Purpose:MeasuringInstrumentTest PointMeasuringRang

Pagina 34

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 4Dynamic Focus Preset ...

Pagina 35 - 60% 70% 80% 90%

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 40Purpose:MeasuringInstrumentTest PointMeasuringRang

Pagina 36

Page 41MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Purpose:MeasuringInstrumentTest PointMeasuringRang

Pagina 37 - Blue MENU-2-2-5-9-3

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 42Purpose:MeasuringInstrumentTest PointMeasuringRang

Pagina 38

Page 43MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Purpose:MeasuringInstrumentTest PointMeasuringRang

Pagina 39

PAGE 44MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411CHIP PARTS REPLACEMENTSome resistors, shorting jum

Pagina 40 - Procedure

PAGE 45MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Parts OrderingTo expedite delivery of replacement

Pagina 41

PAGE 46MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411QUICK REFERENCE FOR COMMON REPLACEMENT PARTSREMOTE

Pagina 42 - Procedure

PAGE 47Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411[#] Mo

Pagina 43

Ref # Part # Part Name & Description [#]PAGE 48Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-

Pagina 44 - CHIP PARTS REPLACEMENT

PAGE 49Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411[#] Mo

Pagina 45 - REPLACEMENT PARTS

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 5INTRODUCTIONThis service manual provides service in

Pagina 46 - REMOTE CONTROL

Ref # Part # Part Name & Description [#]PAGE 50Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-

Pagina 47 - TRANSISTORS

PAGE 51Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411[#] Mo

Pagina 48

Ref # Part # Part Name & Description [#]PAGE 52Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-

Pagina 49

PAGE 53Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411[#] Mo

Pagina 50 - RESISTORS

Ref # Part # Part Name & Description [#]PAGE 54Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-

Pagina 51

PAGE 55Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411[#] Mo

Pagina 52

Ref # Part # Part Name & Description [#]PAGE 56Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-

Pagina 53

PAGE 57Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411[#] Mo

Pagina 54 - CAPACITORS & TRIMMERS

PAGE 58 Ref # Part # Part Name & Description [#] Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / W

Pagina 55

PAGE 59Ref # Part # Part Name & Description [#] Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / W

Pagina 56 - MISCELLANEOUS

Page 6MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411SAFETY PRECAUTIONSNOTICE: Observe all cautions and

Pagina 57 - ACCESSORIES

PAGE 60 Ref # Part # Part Name & Description [#] Ref # Part # Part Name & Description [#]MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / W

Pagina 58 - SCREEN ASSEMBLY PARTS

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 61POWER SUPPLY

Pagina 59 - (Figure 2)

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 62VIDEO/COLOR PATH

Pagina 60 - Figure 3: WS-48311

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 63SYNC PATH

Pagina 61 - POWER SUPPLY

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 64DEFLECTION / HV CIRCUIT

Pagina 62 - VIDEO/COLOR PATH

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 65X-RAYPROTECT

Pagina 63 - SYNC PATH

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 66HVREGULATION

Pagina 64 - DEFLECTION / HV CIRCUIT

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 67SOUNDPATH

Pagina 65

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 68CONVERGENCE CIRCUIT

Pagina 66 - REGULATION

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 69CONTROL CIRCUIT

Pagina 67

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 7*Refer to PARTS LIST for Part NumbersCABINET DISASS

Pagina 68 - CONVERGENCE CIRCUIT

Page 8MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411CABINET DISASSEMBLY (REAR VIEW)Rear Cabinet Disasse

Pagina 69 - CONTROL CIRCUIT

MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411Page 9CABINET DISASSEMBLY (FRONT VIEW)Front Cabinet Disas

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