MITSUBISHI WS73713 Service Manual

Cover page of MITSUBISHI WS73713 Service Manual

Service Manual for MITSUBISHI WS73713, 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 © 2003 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
MITSUBISHIELECTRIC
Service
Manual
2003
PROJECTION TELEVISION
V23 / V23+ / V23++ / V23+++ CHASSIS
SPECIFICATIONS
· Power Input
: AC 120V, 60Hz
· Power Usage
: 275W
300W [WS-65813/ WS-73513/
WS-73713 only]
· Frequency Range
: VHF
54 ~ 470MHz
UHF 470 ~ 806MHz
· Antenna Input
: VHF/UHF 75
unbalanced
2 - NTSC
1 - ATV/QAM
·
CRT Size
: [7 inches]
: [9 inches] WS-65813/ WS-73513/
WS-73713 only
·
High Voltage
: 32.0kV (at 0A)
· Cabinet Weight and Dimensions (Refer to page 5)
·
Speakers (8 Ohms 10W)
: 2-5" full range
[WS-48513 / WS-48613]
: 2-6" full range
[WS-55513 / WS-65513 / WS-73513]
: 2-6" coaxials
[WS-55613 / WS-65613]
: 2-6" woofers/
[WS-65713 / WS-73713]
2-1.5" tweeters
: 2-5"x7" coaxial [WS-55813 / WS-65813]
· 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
: ATV / Y(G), Pr(R), Pb(B), H, V
Y: 1.0Vp-p with sync 75
(BNC)
Pr, Pb: 700mV 75
H, V: 3.0Vp-p 75
: VGA / R,G,B,V,H (15 pin D)
·
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
: MonitorLinkTM/DVI
: MonitorLinkTM Control/RS-232C
: 4 Memory Card Reader Inputs
V23 MODELS
WS-48513
WS-55513
WS-65513
WS-73513
V23+ MODELS
WS-48613
WS-55613
WS-65613
WS-48613
V23++ MODELS
WS-65713
WS-73713
V23+++ MODELS
WS-55813
WS-65813
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 © 2003 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
MITSUBISHIELECTRIC
Service
Manual
2003
PROJECTION TELEVISION
V23 / V23+ / V23++ / V23+++ CHASSIS
SPECIFICATIONS
· Power Input
: AC 120V, 60Hz
· Power Usage
: 275W
300W [WS-65813/ WS-73513/
WS-73713 only]
· Frequency Range
: VHF
54 ~ 470MHz
UHF 470 ~ 806MHz
· Antenna Input
: VHF/UHF 75
unbalanced
2 - NTSC
1 - ATV/QAM
·
CRT Size
: [7 inches]
: [9 inches] WS-65813/ WS-73513/
WS-73713 only
·
High Voltage
: 32.0kV (at 0A)
· Cabinet Weight and Dimensions (Refer to page 5)
·
Speakers (8 Ohms 10W)
: 2-5" full range
[WS-48513 / WS-48613]
: 2-6" full range
[WS-55513 / WS-65513 / WS-73513]
: 2-6" coaxials
[WS-55613 / WS-65613]
: 2-6" woofers/
[WS-65713 / WS-73713]
2-1.5" tweeters
: 2-5"x7" coaxial [WS-55813 / WS-65813]
· 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
: ATV / Y(G), Pr(R), Pb(B), H, V
Y: 1.0Vp-p with sync 75
(BNC)
Pr, Pb: 700mV 75
H, V: 3.0Vp-p 75
: VGA / R,G,B,V,H (15 pin D)
·
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
: MonitorLinkTM/DVI
: MonitorLinkTM Control/RS-232C
: 4 Memory Card Reader Inputs
V23 MODELS
WS-48513
WS-55513
WS-65513
WS-73513
V23+ MODELS
WS-48613
WS-55613
WS-65613
WS-48613
V23++ MODELS
WS-65713
WS-73713
V23+++ MODELS
WS-55813
WS-65813
background image
background image
MODELS: WS-48513 / WS-48613 / WS-55513 / WS-55613 / WS-55813 / WS-65513 / WS-65613 / WS-65713 /
WS-65813 / WS-73513 / WS-73713
Page 3
INTRODUCTION .................................................................................................................................. 5
CABINET WEIGHT & DIMENSIONS ................................................................................................... 5
PRODUCT SAFETY NOTICE ............................................................................................................... 5
DISASSEMBLY PROCEDURES .......................................................................................................... 7
WS-48513 / WS-48613
Front Cabinet Components ..................................................................................................... 7
Rear Cabinet Components ...................................................................................................... 8
WS-55513 / WS-55613 / WS-65513 / WS-65613
Front Cabinet Components ..................................................................................................... 9
Rear Cabinet Components .................................................................................................... 10
WS-55813
Front Cabinet Components .................................................................................................... 11
Rear Cabinet Components .................................................................................................... 12
WS-65813
Front Cabinet Components ................................................................................................... 13
Rear Cabinet Components .................................................................................................... 14
WS-73513
Front Cabinet Components ................................................................................................... 15
WS-65713 / WS-73713
Front Cabinet Components ................................................................................................... 16
WS-65713 / WS-73513 / WS-73713
Rear Cabinet Components .................................................................................................... 17
SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ..................................................... 18
Removal of the Lenticular Screen and Fresnel Lens
WS-48513 / WS-48613 ......................................................................................................... 18
WS-55513 / WS-55613 / WS-65513 / WS-65613 ................................................................. 19
WS-55813 / WS-65813 ......................................................................................................... 20
WS-65713 / WS-73713 ......................................................................................................... 21
WS-73513 ............................................................................................................................. 22
All Models
Installation of the Lenticular Screen and Fresnel Lens .......................................................... 23
DIAMONDSHIELDTM Removal and Installation .............................................................................. 24
CABINET SEPARATION PROCEDURES
WS-65813 ...................................................................................................................................... 25
WS-65513 / WS-65613 and WS-65713 / WS-73513 ...................................................................... 26
SERVICING PCBs ............................................................................................................................. 27
Chassis Removal ........................................................................................................................... 27
PCB Locations ............................................................................................................................... 27
Major Parts Locations .................................................................................................................... 28
DM Module Replacement ............................................................................................................... 28
CRT REPLACEMENT ........................................................................................................................ 29
CRT Removal ................................................................................................................................. 29
CRT Installation .............................................................................................................................. 28
ELECTRICAL ADJUSTMENTS.......................................................................................................... 32
Equipment and Initial Setup ........................................................................................................... 32
CONTENTS
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MODELS: WS-48513 / WS-48613 / WS-55513 / WS-55613 / WS-55813 / WS-65513 / WS-65613 / WS-65713 /
WS-65813 / WS-73513 / WS-73713
Page 4
LED Indicator Diagnostics .............................................................................................................. 34
Remote Control Operational Mode ................................................................................................. 34
Circuit Adjustment Mode ................................................................................................................ 35
Service Mode Reset ....................................................................................................................... 36
Convergence Adjustment Mode ...................................................................................................... 36
Adjustment Items List .................................................................................................................... 38
Adjustment Procedures .................................................................................................................. 41
Test Point Locations ............................................................................................................. 41
Main / Sub Y Level & & HV Regulation ................................................................................. 42
Main / Sub Color Level & CRT Cutoff ..................................................................................... 43
White Balance (NTSC) & White Balance (HD) ...................................................................... 44
Black Level & Sub Contrast .................................................................................................. 45
Dynamic Focus Presets & Lens Focus ................................................................................ 46
Alignment Magnet / Electrostatic Focus & Charactrer Position ............................................ 47
Geometry Presets ................................................................................................................. 48
Deflection Geometry Adjustments ......................................................................................... 49
Convergence Geometry Adjustments .................................................................................... 50
Centering & Static Convergence ............................................................................................ 51
Coarse Convergence Adjustments ........................................................................................ 52
Fine Convergence Adjustments ............................................................................................. 52
CHIP PARTS REPLACEMENT .......................................................................................................... 54
REPLACEMENT PARTS .................................................................................................................... 55
Parts Ordering ................................................................................................................................ 55
Critical and Warranty Parts Designation ........................................................................................ 55
Parts Tolerance Codes ................................................................................................................... 55
Quick Reference List ...................................................................................................................... 56
SERVICE PARTS LIST ..................................................................................................................... 57
SCREEN ASSEMBLY PARTS LIST ................................................................................................... 73
CIRCUITRY BLOCK DIAGRAMS ...................................................................................................... 77
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Page 5
MODELS: WS-48513 / WS-48613 / WS-55513 / WS-55613 / WS-55813 / WS-65513 / WS-65613 / WS-65713 /
WS-65813 / WS-73513 / WS-73713
INTRODUCTION
This service manual provides service instructions for the V23, V23+, v23++ and V23+++ 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. Cabinet and screen parts.
2. Electrical 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 ar 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
in the parts data base 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.
V23 Chassis
V23+ Chassis
V23++ Chassis
V23+++ Chassis
WS-48513
WS-48613
WS-65713
WS-55813
WS-55513
WS-55613
WS-73713
WS-65813
WS-65513
WS-65613
WS-73513
Model
Weight
Height
Width
Depth
Spkrs
WS-48513
175 lbs
49 in
44.5 in.
24 in.
5" 10W
WS-48613 180.5 lbs
49 in
45 in
24.1 in
5" 10W
WS-55513
230 lbs
50.3 in
50.5 in
25.4 in
6" 10W
WS-55613
250 lbs
50.5 in
50.5 in
28 in
6" 10W
WS-55813
200 lbs
50.5 in
50.5 in
28 in
5"&7"
WS-65513
333 lbs
62 in
59 in
28 in
6" 10W
WS-65613
333 lbs
62 in
59 in
28 in
6" 10W
WS-65713
350 lbs
61.5 in
58 in
28.5 in
6"&1.5"
WS-65813
251 lbs
62 in
59 in
28 in
6" 10W
WS-73513
374 lbs
66 in
66 in
30 in
6" 10W
WS-73713
410 lbs
66 in
65 in
30 in
6"&1.5"

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