Mitsubishi Electric WS-65712 Manuals

Manuals and User Guides for Mitsubishi Electric WS-65712. We have 1 Mitsubishi Electric WS-65712 manual available for free PDF download: Service Manual

Mitsubishi Electric WS-65712 Service Manual

Mitsubishi Electric WS-65712 Service Manual (97 pages)

PROJECTION TELEVISION V21, V21+, V21++ CHASSIS

Brand: Mitsubishi Electric | Category: TV | Size: 5.53 MB

Table of Contents

SCHEMATIC DIAGRAMS Overall Block Diagram
1
Pcb-Main
2
Table of Contents
3
Pcb-Power
3
Pcb-Terminal
4
Introduction
5
Product Safety Notice
5
Pcb-Signal-1 (Av I/O)
5
Safety Precautions
6
Pcb-Signal-2 (Micro)
6
WS-48511 Cabinet Front Disassembly
7
Pcb-Signal-3 (Video / Chroma)
7
WS-48511 Cabinet Rear Disassembly
8
Pcb-3Dyc
8
WS-B55 / WS-55511 / WS-65511 Cabinet Front Disassembly
9
Pcbs-CONV GEN / JUNGLE
9
WS-65611 Cabinet Front Disassembly
10
Pcbs - CRT / CONTROL / SVM / DBF / DM POWER
10
WS-55711 / WS-65711 / WS-73711 Cabinet Front Disassembly
11
Pcb-2Hdw-1
11
Cabinet Rear Disassembly
12
Pcb-2Hdw-2)
12
WS-65712 Cabinet Front Disassembly
13
Pcb-2Hdw-3
13
WS-65712 Cabinet Rear Disassembly
14
Pcb Layout Diagrams
14
Servicing the Lenticular Screen and Fresnel Lens
15
Lenticular Screen and Fresnel Lens Removal
15
Ws-B55 / Ws-55511 / Ws-65511
16
Ws-55711 / Ws-65611 / Ws65711 / Ws-65712 / Ws-73711
17
Lenticular Screen and Fresnel Lens Installation
18
Servicing the Diamondshields
19
TM R Diamondshield TM Removal & Installation
19
CABINET SEPARATION (65 and 73 Inch) WS-65712
20
Chassis and DM Module Removal
22
PCB Locations
23
Main Components Location
23
DM Module Main Components Location
24
Crt Replacement
25
CRT Removal
25
CRT Installation
26
Electrical Adjustments
28
Test Equipment
28
Initial Setup
29
LED Indicator Diagnostics
30
Remote Control Operational Mode
30
Circuit Adjustment Mode
31
On Screen Display Position Adjustment Mode
32
Convergence Adjustment Mode
32
E2PROM Replacement
34
Adjustment Items List
34
Adjustment Test Points
37
Adjustment Procedures
38
Audio Circuit
38
High Voltage Regulation
39
Main/Sub y Level
39
Side by Side Sub Picture Tint
40
Side by Side Sub Picture Color
40
CRT Cutoff
41
White Balance (NTSC)
41
White Balance (HD)
42
10. Cb, Cr Offset
42
11. Black Level
43
12. Sub Contrast
43
13. Dynamic Focus Preset
44
14. Lens Focus
44
Electrostatic Focus & Alignment Magnet Adjustment
45
On Screen Display Character Position
45
Deflection/Convergence Geometry Presets
46
Deflection Circuit Geometry Adjustments
47
Convergence Circuit Geometry Adjustments
48
Centering and 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 Parts List
70
Standby Supplies Regulator
74
Switched Supplies Regulator
75
DM Power Supply
76
Video/Color A/V Switch Circuit
77
Video / Color Signal Path
78
Sync Signal Path
79
Deflection / HV
80
X-Ray Protect
80
Sound Circuit
81
Convergence
82
Control Circuitry
83

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