Attrezzatura informazioni:

Mitsubishi WS-65857 TV
Produttore:
Mitsubishi
Modello: WS-65857
Data: 2000
Categoria: Audio, Video, TV, Multimedia
Gruppo: TV
Descrizione: PROJECTION TELEVISION
Informazioni:
                                    

Questi manuali sono disponibili per la macchina in oggetto:

Mitsubishi -- WS-65857 -- Manuale di servizio
Nome file: Mitsubishi-1332-Manual-Page-1-Picture
Tipo manuale: Manuale di servizio
Pagine: 74
Dimensioni: 1.21 Mbytes (1272337 Bytes)
Lingua: inglese
Revisione:
Manual-ID/Number:
Data: 2000
Qualità: Documento elettronico, senza ricerca, molto ben leggibile.
Data di caricamento:
MD5: b691f83ff8c4d037613febed48ae71a9
ed2kID: 04957ec05ccfdb090520f98bc0aa9c67
Download: 9259 da 24 January 2009
Informazioni:
This service manual provides service instructions for PTV Models WT-46807, WS-55807 and WS-65807 which
use the V17 chassis, PTV Models WS-559857, and WS-65857 which use the V17+ chassis, and PTV Models
WS-55907, WS-65907 and WS-73907 which use the V17++ chassis. 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.
Mitsubishi-1332-Manual-Page-1-Picture
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Mitsubishi -- WS-65857 -- Manuale di servizio, diagramma cirquit solo
Nome file: Mitsubishi-2987-Manual-Page-1-Picture
Tipo manuale: Manuale di servizio, diagramma cirquit solo
Pagine: 16
Dimensioni: 4.38 Mbytes (4597369 Bytes)
Lingua: inglese
Revisione:
Manual-ID/Number:
Data: 2000
Qualità: Documento elettronico, senza ricerca, molto ben leggibile.
Data di caricamento:
MD5: 3f95be7c567b3374b9ca8eccc002f7f8
ed2kID: 315727b9a2ab42cd838698bedd01e7b2
Download: 1683 da 03 January 2012
Informazioni:
PART 2
SCHEMATIC DIAGRAMS

Overall PCB Block Diagram ...................................... 1
PCB-POWER............................................................. 2
PCB-MAIN ................................................................. 3
PCB-SIGNAL (AV/I-O) .............................................. 4
PCB-SIGNAL (MICRO) ............................................. 5
PCB-SIGNAL (VC/SW) ............................................. 6
PCB-2HDW (IN) ........................................................ 7
PCB-2HDW (MAIN) ................................................... 8
PCB-2HDW (OUT) .................................................... 9
PCB-TERMINAL ...................................................... 10
PCBs - CONV. GEN./JUNGLE ................................ 11
PCB-3DYC/MAIN DECODER .................................. 12
PCBs - CRT/CONTROL/PREAMP/DBF/
FRONT/DISPLAY ........................................ 13
PCB-BMP (1)........................................................... 14
PCB-BMP (2)........................................................... 15
PCB LAYOUT DIAGRAMS....................................... 16

Refer to PART 1 for:
• Specifications
• Safety Precautions
• Disassembly
• CRT Replacement
• Electrical Adjustments
• Parts List
• Block Diagrams
Mitsubishi-2987-Manual-Page-1-Picture
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Mitsubishi -- WS-65857 -- Manuale di servizio
Nome file: Mitsubishi-4631-Manual-Page-1-Picture
Tipo manuale: Manuale di servizio
Pagine: 99
Dimensioni: 12.45 Mbytes (13050349 Bytes)
Lingua: inglese
Revisione:
Manual-ID/Number:
Data: 2000
Qualità: Documento elettronico, senza ricerca, molto ben leggibile.
Data di caricamento:
MD5: 35b77684bd7fda69fdec847046556601
ed2kID: ac115c510e92205a0e4aeaaafbfaa85a
Download: 1299 da 30 September 2013
Informazioni:
This service manual provides service instructions for PTV Models WT-46807, WS-55807 and WS-65807 which
use the V17 chassis, PTV Models WS-559857, and WS-65857 which use the V17+ chassis, and PTV Models
WS-55907, WS-65907 and WS-73907 which use the V17++ chassis. 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 understanding
of the circuitry. PCB drawings are also included for easy location of parts and test points

INTRODUCTION ............................................................................................................................... 5
PRODUCT SAFETY NOTICE ........................................................................................................... 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY
Cabinet Disassembly (Front View)
WT-46807 ..................................................................................................................................... 7
WS-55807 / WS-65807 .................................................................................................................. 8
WS-55857 / WS-65857 .................................................................................................................. 9
WS-55907 / WS-65907 / WS-73907............................................................................................ 10
Cabinet Disassembly (Rear View)
WT-46807 ................................................................................................................................... 11
WS-55807 / WS-55857 / WS-55907 / WS-65807 / WS-65857 /
WS-65907 / WS-73907 ................................................................................................................ 12
Cabinet Separation Procedure WS-65807 / WS-65857 / WS-65907 / WS-73907 ....................... 13
SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS
Lenticular Screen and Fresnel Lens Removal
WS-55807 / WS-65807 ....................................................................................................... 14
WS-55857 / WS-55907 / WS-65857 / WS-65907 / WS-73907 / WT-46807 ...................... 15
Lenticular Screen and Fresnel Lens Installation .................................................................... 16
SERVICING THE DIAMONDSHIELDTM r
DiamondShieldTM Removal / Installation ...................................................................................... 17
SERVICING PCBs
PCB Locations and Chassis Removal ......................................................................................... 18
Main Component Locations ......................................................................................................... 18
CRT REPLACEMENT
CRT Removal .............................................................................................................................. 19
CRT Installation ........................................................................................................................... 20
ELECTRICAL ADJUSTMENTS
Test Equipment ............................................................................................................................ 22
Initial Setup ................................................................................................................................. 22
Self Diagnostics ........................................................................................................................... 24
Circuit Adjustment Mode .............................................................................................................. 24
Convergence Adjustment Mode ................................................................................................... 26
E2PROM Replacement................................................................................................................ 28
Adjustment Items List .................................................................................................................. 28
Adjustment Test Points ................................................................................................................ 31
Adjustment Procedures ................................................................................................................ 32
Audio Circuit ....................................................................................................................... 32
High Voltage Regulation ..................................................................................................... 33
Main/Sub Y Level................................................................................................................ 33
Side by Side Sub Picture Tint ............................................................................................. 34
Side by Side Sub Picture Color .......................................................................................... 34
CRT Cutoff .......................................................................................................................... 35
White Balance (NTSC) ....................................................................................................... 35
White Balance (HD) ............................................................................................................ 36
Cb, Cr Offset ....................................................................................................................... 36
Black Level ......................................................................................................................... 37
Sub Contrast ....................................................................................................................... 37
Dynamic Focus Preset ........................................................................................................ 38
Electrostatic Focus.............................................................................................................. 38
Lens Focus.......................................................................................................................... 39
Character Position .............................................................................................................. 39
Deflection/Convergence Geometry Presets........................................................................ 40
Deflection Circuit Geometry Adjustments ........................................................................... 41
Convergence Circuit Geometry Adjustments ...................................................................... 42
Centering and Static Convergence ..................................................................................... 43
Coarse Convergence Adjustments ..................................................................................... 44
Fine Convergence Adjustments .......................................................................................... 45
CHIP PARTS REPLACEMENT ....................................................................................................... 46
REPLACEMENT PARTS
Parts Ordering .............................................................................................................................. 47
Critical and Warranty Parts Designation ...................................................................................... 47
Parts Tolerance Codes ................................................................................................................. 47
Quick Reference List ................................................................................................................... 48
Service Parts List ......................................................................................................................... 49
CIRCUITRY BLOCK DIAGRAMS
Standby Supply Regulator ........................................................................................................... 66
Switched Supply Regulator .......................................................................................................... 67
Video / Color A/V Switch Circuit .................................................................................................. 68
Video / Color Signal Path ............................................................................................................. 69
Sync Signal Path ......................................................................................................................... 70
Deflection / HV ............................................................................................................................. 71
X-Ray Protect.............................................................................................................................. 71
Sound Circuit ............................................................................................................................... 72
Convergence............................................................................................................................... 73
Control Circuit .............................................................................................................................. 74
Section 2 .... Schematic Diagrams
SCHEMATIC DIAGRAMS
Overall Block Diagram ................................................................................................................... 1
PCB-POWER................................................................................................................................ 2
PCB-MAIN .................................................................................................................................... 3
PCB-SIGNAL (AV/I-O .................................................................................................................... 4
PCB-SIGNAL (MICRO) .................................................................................................................. 5
PCB-SIGNAL (VC/SW) .................................................................................................................. 6
PCB-2HDW (IN)............................................................................................................................ 7
PCB-2HDW (MAIN) ....................................................................................................................... 8
PCB-2HDW (OUT)......................................................................................................................... 9
PCB-TERMINAL .......................................................................................................................... 10
PCB-CONVERGENCE GENERATOR/JUNGLE.......................................................................... 11
PCB-3DYC/MAIN DECODER ...................................................................................................... 12
PCBs - CRT/CONTROL/PREAMP/DBF/FRONT/DISPLAY ......................................................... 13
PCB-BMP (1) ............................................................................................................................... 14
PCB-BMP (2) ............................................................................................................................... 15
PCB LAYOUT DIAGRAMS ............................................................................................................. 16

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