Mitsubishi WS-48515 Service Manual Page 1

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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.
Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2004 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
MITSUBISHI ELECTRIC
Service
Manual
2004
PROJECTION TELEVISION
V25 / V25+ / V25++ CHASSIS
SPECIFICATIONS
Power Input : AC 120V, 60Hz
Power Usage : 275W
300W [WS-65815/ WS-73615 only]
Frequency Range : VHF 54 ~ 470MHz
UHF 470 ~ 806MHz
Antenna Input : VHF/UHF 75unbalanced
1 NTSC /ATSC /QAM
1 NTSC for PIP
CRT Size : [7 inches]
: [9 inches] WS-65815/ WS-73615 only
High Voltage : 32.0kV (at 0A)
Cabinet Weight and Dimensions (Refer to page 5)
Speakers (8 Ohms 10W)
: 2-5" full range [WS-48515]
: 2-6" full range [WS-55515 / WS-65515]
: 2-6" coaxials [WS-55615 / WS-65615 / WS-73615]
: 2-5"x7" coaxial [WS-55815 / WS-65815]
• 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)
75 unbalanced
: COMP / Y, Cr, Cb (RCA Type)
Y: 1.0 Vp-p Cr, Cb: 700mVp-p
Output Level : VIDEO OUT JACK (RCA Type)
1.0Vp-p 75 unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7k unbalanced
Digital : IEEE-1394 I/O Jacks
Interface : AC-3 Digtal Audio Output
: HDMI
: 4 Memory Card Reader Inputs
(V25++ Only)
: CableCARD
: System 5 IR
: USB Service Port
V25 MODELS
WS-48515
WS-55515
WS-65515
V25+ MODELS
WS-55615
WS-65615
WS-73615
WS-48515
V25++ MODELS
WS-55815
WS-65815
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Summary of Contents

Page 1 - MITSUBISHI ELECTRIC

CAUTION:Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and"PRODUCT SAFETY NOTICE&

Page 2

Page 10MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (REAR VIEW)WS-55515 / WS-6551

Page 3 - CONTENTS

Page 11MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (FRONT VIEW)WS-55815*Refer to

Page 4 - Schematic Diagrams

Page 12MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (REAR VIEW)WS-55815*Refer to t

Page 5 - PRODUCT SAFETY NOTICE

Page 13MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (FRONT VIEW)WS-65815*Refer to

Page 6 - SAFETY PRECAUTIONS

Page 14MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (REAR VIEW)WS-65815*Refer to t

Page 7

Page 15MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (FRONT VIEW)WS-73615*Refer to

Page 8

Page 16MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (REAR VIEW) WS-73615*Refer to

Page 9 - Front Cabinet Disassembly

Page 17MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSCA

Page 10

Page 18MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSWS

Page 11 - WS-55815

Page 19MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSCA

Page 13 - WS-65815

Page 20MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSCA

Page 14

Page 21MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS2.

Page 15 - WS-73615

Page 22MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-736152. DiamondShield™ Installation Procedure*(See the

Page 16 - WS-73615

Page 23MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET SEPARATIONMitsubishi 65 and 73 inch Projec

Page 17 - WS-48515

Page 24MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET SEPARATION PROCEDURE(WS-65515 / WS-65615 /

Page 18 - WS-55515 / WS-65515

Page 25MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615 Main Chassis RemovalChassis Removal1. Undo the ca

Page 19 - WS-55815 / WS-65815

Page 26MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615 Main Components Location (Top View)DM Module Repl

Page 20

Page 27MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CRT REPLACEMENT1. Removal of the CRTCaution! High

Page 21

Page 28MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-736152. Installation of the CRTNote: The replacement CR

Page 22 - SERVICING THE DIAMONDSHIELD™

Page 29MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-736152. Install the Deflection Yoke on the CRT neck.

Page 23 - CABINET SEPARATION

Page 3MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615INTRODUCTION ...

Page 24 - WS-65615

Page 30MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-736151H40%40%100%75%Monoscope SignalSplit-Field Color Ba

Page 25 - PCB Locations

Page 31MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615Initial SetupA. Option Menu SetupFollow the steps b

Page 26 - DM Module Replacement

Page 32MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615C. A/V MemoryEach of the external inputs has its’ o

Page 27 - CRT REPLACEMENT

Page 33MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615• To change to “NetcommandTM” ... Hold the “Power”

Page 28 - 2. Installation of the CRT

Page 34MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615D. Saving Adjustment DataPress “ENTER” to save adju

Page 29

Page 35MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615NOTE: When Item “1 HVOL” is selected the screen go

Page 30 - ELECTRICAL ADJUSTMENTS

Page 36MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615E2PROM ReplacementData accessed in the Convergence

Page 31 - Initial Setup

Page 37MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615CONV GREEN Items(MENU-2-4-5-9-5)No. Abbrev. Descrip

Page 32 - 3. Error Codes

Page 38MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615OSD Horizontal Centering(MENU-2-4-8-8)Abbrev. NameD

Page 33 - Circuit Adjustment Mode

Page 39MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 /WS-65815 / WS-73615Adjustment Test Point LocationTest PointsDT pin 3 -

Page 34 - HD OR SD

MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615Page 4Convergence Adjustment Mode ...

Page 35 - F. FINE CONVERGENCE (Press 4)

Page 40Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Page 36 - CRT-VC (Video Color)

Page 41Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Page 37 - CONV BLUE Items

Page 42Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Page 38 - CONV MISC

Page 43Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Page 39

Page 44Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Page 40 - are activated

Page 45Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:PurposeMeasuringInstrumentTest PointMeasuringR

Page 41 - after this adjustment

Page 46Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55

Page 42

Page 47Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55

Page 43 - All Other Models 480 ±5ua

Page 48Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55

Page 44

Page 49Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55

Page 45 - Blue MENU-2-4-5-9-3

Page 5MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615INTRODUCTIONThis service manual provides service in

Page 46 - CRT-JNGL Function (Jungle)

Page 50Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55

Page 47 - Standard Format

Page 51Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55

Page 48

PAGE 52MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CHIP PARTS REPLACEMENTSome resistors, shorting jum

Page 49

PAGE 53MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615Parts OrderingTo expedite delivery of replacement

Page 50

PAGE 54MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615QUICK REFERENCE FOR COMMON REPLACEMENT PARTSREMOTE

Page 51

PAGE 55Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 52 - CHIP PARTS REPLACEMENT

PAGE 56Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 53 - REPLACEMENT PARTS

PAGE 57Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 54 - MISCELLANEOUS

PAGE 58Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 55

PAGE 59Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 56 - TRANSISTORS

Page 6MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615SAFETY PRECAUTIONSNOTICE: Observe all cautions and

Page 57

PAGE 60Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 58

PAGE 61Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 59

PAGE 62Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 60 - RESISTORS

PAGE 63Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 61

PAGE 64Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 62

PAGE 65Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 63 - CAPACITORS AND TRIMMERS

PAGE 66Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 64

PAGE 67Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 65

PAGE 68Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#][#] Model Legend:(a) WS-48515, (b) WS-55515, (c) WS-55

Page 66 - SWITCHES

PAGE 69Ref # Part # Part Name & Description [#]MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615[#]

Page 67

Page 7MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (FRONT VIEW)WS-48515*Refer to t

Page 68 - ACCESSORIES

PAGE 70Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#]MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS

Page 69 - Figure 1: WS-48515

PAGE 71Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#]MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS

Page 70 - WS-55515 (Figure 2)

PAGE 72Ref # Part # Part Name & Description [#]Ref # Part # Part Name & Description [#]MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS

Page 71 - WS-65815 (Figure 3)

Page 73MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615POWER SUPPLY

Page 72 - [#] Model Legend:

MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615Page 74VIDEO SIGNAL PATH

Page 73 - POWER SUPPLY

Page 75MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615 A/V SWITCH

Page 74 - VIDEO SIGNAL PATH

MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615Page 76SYNC PATH

Page 75 - A/V SWITCH

Page 77MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615DEFLECTION / HV

Page 76 - SYNC PATH

MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615Page 78X-RAY PROTECT

Page 77 - DEFLECTION / HV

Page 79MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CONVERGENCE CIRCUIT

Page 78 - X-RAY PROTECT

Page 8MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (REAR VIEW)WS-48515*Refer to th

Page 79 - CONVERGENCE CIRCUIT

MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615Page 80SOUND CIRCUIT

Page 80 - SOUND CIRCUIT

Page 81MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CONTROL CIRCUITRY

Page 81 - CONTROL CIRCUITRY

Page 9MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615CABINET DISASSEMBLY (FRONT VIEW)WS-55515 / WS-65515

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