Mitsubishi V27 TV châssis
Fabricant:
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Mitsubishi V27 vous pouvez télécharger les fichiers ici .
Modèle:
V27
Date:
2005
Catégorie:
Groupe:
Description:
PROJECTION TELEVISION CHASSIS
Information
• Power Input : AC 120V, 60Hz
• Power Usage : 275W
300W [WS-65517/ WS-73517]
• Frequency Range : VHF 54 ~ 470MHz
UHF 470 ~ 806MHz
• Antenna Input : VHF/UHF 75Ω unbalanced
1 - NTSC.ATSC/QAM
1 -NTSC for PIP
• CRT Size : [7 inches] WS-55517.WS-65517
: [9 inches] WS-73517
• High Voltage : 32.0kV (at 0A)
• Speakers (8 Ohms 10W)
: 2 - 6" full range
• Input Level : VIDEO IN JACK (RCA Type)
1.0Vp-p 75Ω unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43kΩ unbalanced
: S-VIDEO IN JACK
(Y/C separate type)
Y:1.0 Vp-p C:0.286Vp-p(BURST)
75Ω 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 75Ω (BNC)
Pr, Pb: 700mV 75Ω
H, V: 3.0Vp-p 75Ω
: VGA / R,G,B,V,H (15 pin D)
• Output Level : VIDEO OUT JACK (RCA Type)
1.0Vp-p 75Ω unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7kΩ unbalanced
• Digital : IEEE-1394 I/O Jacks
Interface : AC-3 Digtal Audio Output
: HDMI
: CableCARD
: System 5 IR
: USB Service Port
Type manuel:
manuel de réparation
Pages:
12
Taille:
278.88 Kbytes (285575 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
Qualité:
Électronique de documents, numérisation sans, bien lisible.
Date de transfert:
2009 02 11
MD5:
689266ec2c0c51e2e30d5a759ef35c34
Téléchargements:
8198
Information
High Speed Troubleshooting
Safety Precautions ... 2
Cabinet Disassembly ... 3
Chassis Removal ... 5
Troubleshooting ... 6
PCB Locations and Functions ... 8
PCB Parts Reference ... 9
Type manuel:
Manuel, schéma cirquit seulement
Pages:
12
Taille:
15.14 Mbytes (15880167 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
Qualité:
Électronique de documents, numérisation sans, bien lisible.
Date de transfert:
2012 01 03
MD5:
d5312e2fcda27fbc3cfd8cdc90d6e5f5
Téléchargements:
9958
Information
Before servicing this chassis, it is important that the service person read the SAFETY PRECAUTIONS and
PRODUCT SAFETY NOTICE contained in Part 1 of this manual.
PART 2
SCHEMATIC DIAGRAMS
CONTENTS Page
Overall PCB Block Diagram ... 1
PCB-MAIN ... 2
PCB-TERMINAL [INPUT SWITCH] ... 3
PCB-TERIMINAL [PIC μP / FIF / E2P] ... 4
PCBs-CRT / DBF / PREAMP /CONTROL1 /
CONTROL2 / FRONT ... 5
PCB-HDMI ... 6
PCB-SIGNAL-1 [MICRO] ... 7
PCB-SIGNAL-2 [CONVERGENCE GENERATOR] ... 8
PCB-SIGNAL-3 [VCJ / VERTICAL DEF / AUDIO] ... 9
PCB-TUNER-1 [TUNER / AUDIO] ... 10
PCB-TUNER-2 [ATSC DEMOD] ... 11
Refer to PART 1 for:
• Specifications
• Safety Precautions
• Disassembly
• CRT Replacement
• Electrical Adjustments
• Parts List
• Block Diagrams
Type manuel:
manuel de réparation
Pages:
76
Taille:
16.44 Mbytes (17236932 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
Qualité:
Électronique de documents, numérisation sans, bien lisible.
Date de transfert:
2013 09 30
MD5:
e30bfbc14e463647d422566e99b4e5d1
Téléchargements:
3006
Information
INTRODUCTION ... 5
PRODUCT SAFETY NOTICE ... 5
SAFETY PRECAUTIONS ... 6
DISASSEMBLY PROCEDURES ... 7
Cabinet Disassembly (Front) ... 7
Cabinet Disassembly (Rear) ... 8
SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ... 9
Removal of the Lenticular Screen and Fresnel Lens ... 9
Installation of the Lenticular Screen and Fresnel Lens ... 10
DIAMONDSHIELDTM Removal and Installation ... 11
CABINET SEPARATION PROCEDURES
WS-65517 / WS-73517 Cabinet Separation ... 12
SERVICING PCBs ... 12
Chassis Removal ... 12
PCB Locations ... 13
Major Parts Locations ... 13
CRT REPLACEMENT ... 14
CRT Removal ... 14
CRT Installation ... 15
ELECTRICAL ADJUSTMENTS ... 17
Equipment and Initial Setup ... 17
Initial Setup ... 18
LED Indicator Diagnostics ... 19
Remote Control Operational Mode ... 19
Circuit Adjustment Mode ... 20
Service Mode Reset ... 21
Convergence Adjustment Mode ... 21
Adjustment Items List ... 23
Adjustment Procedures ... 26
Test Point Locations ... 26
Main / Sub Y Level & HV Regulation ... 27
Main / Sub Color Level & CRT Cutoff ... 28
White Balance (NTSC) & White Balance (HD) ... 29
Black Level & Sub Contrast ... 30
Dynamic Focus Presets & Lens Focus ... 31
Alignment Magnet / Electrostatic Focus & Character Position ... 32
Geometry Presets ... 33
Deflection Geometry Adjustments ... 34
Convergence Geometry Adjustments ... 35
Centering & Static Convergence ... 36
Coarse Convergence Adjustments ... 37
Fine Convergence Adjustments ... 38
CHIP PARTS REPLACEMENT ... 39
REPLACEMENT PARTS ... 40
Parts Ordering ... 40
Critical and Warranty Parts Designation ... 40
Parts Tolerance Codes ... 40
Quick Reference List ... 41
SERVICE PARTS LIST ... 42
SCREEN ASSEMBLY PARTS LIST ... 55
CIRCUITRY BLOCK DIAGRAMS ... 56
Part 2
V25/V27 Schematic Diagrams
CONTENTS Page
SCHEMATIC DIAGRAMS
PWB Interconnect Diagram ... 1
PWB-MAIN (Power Supply / Horizontal Deflection / HV) ... 2
PWB-TERMINAL -1 (Input Switch) ... 3
PWB-TERMINAL 2 (PIC μPC / FIF /E2P) ... 4
PWBs-CRT / CONTROL / FRONT / PREAMP / SVM / DBF ... 5
HDMI ... 6
PWB-SIGNAL-1 (MICRO) ... 7
PWB-SIGNAL-2 (Convergence Generator) ... 8
PWB-SIGNAL-3 (VCJ / Vertical Deflection / Audio)) ... 9
PWB-TUNER-1 (Tuners / Audio) ... 10
PWB-TUNER-2 (Demodulator) ... 12