MITSUBISHI WS65815 Service Manual

Cover page of MITSUBISHI WS65815 Service Manual

Service Manual for MITSUBISHI WS65815, downloadable as a PDF file.

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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
MITSUBISHIELECTRIC
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 75
unbalanced
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 75
unbalanced
: 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
background image
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
MITSUBISHIELECTRIC
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 75
unbalanced
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 75
unbalanced
: 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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background image
Page 3
MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615
INTRODUCTION ................................................................................................................................5
CABINET WEIGHT & DIMENSIONS .................................................................................................. 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
DISASSEMBLY PROCEDURES ......................................................................................................... 7
WS-48515
Front Cabinet Components .................................................................................................... 7
Rear Cabinet Components ..................................................................................................... 8
WS-55515 / WS-55615 / WS-65515 / WS-65615
Front Cabinet Components .................................................................................................... 9
Rear Cabinet Components ................................................................................................... 10
WS-55815
Front Cabinet Components .................................................................................................. 11
Rear Cabinet Components ................................................................................................... 12
WS-65815
Front Cabinet Components .................................................................................................. 13
Rear Cabinet Components ................................................................................................... 14
WS-73615
Front Cabinet Components .................................................................................................. 15
Rear Cabinet Components ................................................................................................... 16
SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ..................................................... 17
Removal of the Lenticular Screen and Fresnel Lens
WS-48515 ............................................................................................................................ 17
WS-55515 / WS-65515 ........................................................................................................ 18
WS-55815 / WS-65815 ........................................................................................................ 19
WS-55615 / WS-65615 / WS-73615 .................................................................................... 20
All Models
Installation of the Lenticular Screen and Fresnel Lens .......................................................... 21
DIAMONDSHIELDTM Removal and Installation ............................................................................. 22
CABINET SEPARATION PROCEDURES
WS-65815 ..................................................................................................................................... 23
WS-65515 / WS-65615 / WS-73615 ............................................................................................. 24
SERVICING PCBs ............................................................................................................................ 25
Chassis Removal .......................................................................................................................... 25
PCB Locations .............................................................................................................................. 25
Major Parts Locations ................................................................................................................... 26
DM Module Replacement .............................................................................................................. 26
CRT REPLACEMENT ....................................................................................................................... 27
CRT Removal ................................................................................................................................27
CRT Installation ............................................................................................................................ 28
ELECTRICAL ADJUSTMENTS ........................................................................................................ 30
Equipment and Initial Setup .......................................................................................................... 30
LED Indicator Diagnostics ............................................................................................................. 32
Remote Control Operational Mode ................................................................................................ 32
Circuit Adjustment Mode ............................................................................................................... 33
Service Mode Reset ...................................................................................................................... 34
CONTENTS
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MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615
Page 4
Convergence Adjustment Mode ..................................................................................................... 34
Adjustment Items List ................................................................................................................... 36
Adjustment Procedures ................................................................................................................ 39
Test Point Locations ............................................................................................................39
HV Regulation & Main / Sub Y Level .................................................................................... 40
Main / Sub Color Level & CRT Cutoff .................................................................................... 41
White Balance (NTSC) & White Balance (HD) ..................................................................... 42
Black Level & Sub Contrast ................................................................................................. 43
Dynamic Focus Presets & Lens Focus ................................................................................ 44
Alignment Magnet / Electrostatic Focus & Charactrer Position ............................................ 45
Geometry Presets ............................................................................................................... 46
Deflection Geometry Adjustments ........................................................................................ 47
Convergence Geometry Adjustments ................................................................................... 48
Centering & Static Convergence ........................................................................................... 49
Coarse Convergence Adjustments ........................................................................................ 50
Fine Convergence Adjustments ............................................................................................ 51
CHIP PARTS REPLACEMENT ......................................................................................................... 52
REPLACEMENT PARTS .................................................................................................................. 53
Parts Ordering .............................................................................................................................. 53
Critical and Warranty Parts Designation ........................................................................................ 53
Parts Tolerance Codes .................................................................................................................. 53
Quick Reference List .................................................................................................................... 54
SERVICE PARTS LIST .................................................................................................................... 55
SCREEN ASSEMBLY PARTS LIST .................................................................................................. 69
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 73
Part 2
Schematic Diagrams
CONTENTS
Page
SCHEMATIC DIAGRAMS
PCB Interconnect Diagram .............................................................................................................. 1
PCB-MAIN ...................................................................................................................................... 2
PCB-TERMINAL -1 [INPUT SWITCH] .............................................................................................. 3
PCB-TERMINAL -2 [PIC
µP / FIF / E2P] ......................................................................................... 4
PCBs-CRT / CONTROL1 / CONTROL2 / FRONT / PREAMP / DBF ............................................... 5
PCB-HDMI ...................................................................................................................................... 6
PCB-SIGNAL-1 [MICRO] ................................................................................................................. 7
PCB-SIGNAL-2 [CONVERGENCE GENERATOR] .......................................................................... 8
PCB-SIGNAL-3 [VCJ / VERTICAL DEFLECTION / AUDIO] ............................................................. 9
PCB-TUNER-1 [TUNER / AUDIO] .................................................................................................. 10
PCB-TUNER-2 [DEMODULATOR] ................................................................................................. 11
PCB LAYOUT DIAGRAMS ............................................................................................................... 12
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Page 5
MODELS: WS-48515 / WS-55515 / WS-55615 / WS-55815 / WS-65515 / WS-65615 / WS-65815 / WS-73615
INTRODUCTION
This service manual provides service instructions for the V25, V25+ and V25++ PTV chassis types. The specific
models for each chassis type are listed below. Service personnel should read this manual thoroughly before servicing
these chassis.
This service manual includes:
1. Assembly and disassembly instructions for the front and rear cabinet components.
2. Servicing of the Lenticular Screen and Fresnel Lens.
3. Servicing printed circuit boards (PCBs).
4. CRT replacement procedure.
5. Electrical adjustments.
6. Chip parts replacement procedures.
7. Circuit path diagrams.
The parts list section of this service manual includes:
1. Electrical parts.
2. Cabinet and screen parts.
Schematic and block diagrams of the above listed models are included in this service manual for better under-
standing of the circuitry. PCB drawings are also included for easy location of parts and test points.
Cabinet Weight and Dimensions
· Weight and Dimensions are approximate
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in television receivers have special safety related characteristics. These
characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be
obtained by using replacement components rated for higher voltage, wattage, etc.
Replacement parts which have special safety characteristics are identified in this service manual.
Electrical components having such features are identified by shading
on the schematic diagram and by bold
type in the parts list of this service manual. The replacement for any safety part should be identical in value
and characteristics.
V25 Chassis
V25+ Chassis
V25++ Chassis
WS-48515
WS-55615
WS-55815
WS-55515
WS-65615
WS-65815
WS-65515
WS-73615
Model
Weight
Height
Width
Depth
Spkrs
WS-48515
172 lbs
49 in
44.5 in.
24 in.
5" 10W
WS-55515
213 lbs
53 in
56 in
34 in
6" 10W
WS-55615
213 lbs
50.5 in
51 in
28 in
6" 10W
WS-55815
195 lbs
50.5 in
51 in
27 in
5x7" 10W
WS-65515
327 lbs
62 in
59 in
28 in
6" 10W
WS-65615
327 lbs
62 in
59 in
28 in
6" 10W
WS-65815
276 lbs
62 in
58 in
28 in
5x7" 10W
WS-73615
313 lbs
66 in
66 in
30 in
6" 10W

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