Mitsubishi - V27 - TV chassis
Fabrikant:
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Mitsubishi V27
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Uitrusting:
V27
Datum:
2005
Categorie:
Groep:
Subgroep:
Informatie
• 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)
• Speaker (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
3 Handleidingen
Servicehandleiding
Handleidingen type:
Servicehandleiding
Pagina's:
12
Grootte:
278,9 KB
Taal:
engels
Revisie:
Handmatig-ID:
Datum:
Kwaliteit:
Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
11 februari 2009
MD5 MD5:
689266ec-2c0c-51e2-e30d-5a759ef35c34
Informatie
High Speed Troubleshooting
Safety Precautions ... 2
Cabinet Disassembly ... 3
Chassis Removal ... 5
Troubleshooting ... 6
PCB Locations and Functions... 8
PCB Parts Reference ... 9
Downloads:
9164
Downloads van vorige maand:
44
Download
mitsubishi--v27--service--ID1366.pdf
Servicehandleiding met schema's
Handleidingen type:
Servicehandleiding met schema's
Pagina's:
12
Grootte:
15,1 MB
Taal:
engels
Revisie:
Handmatig-ID:
Datum:
Kwaliteit:
Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
3 januari 2012
MD5 MD5:
d5312e2f-cda2-7fbc-3cfd-8cdc90d6e5f5
Informatie
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
Downloads:
11162
Downloads van vorige maand:
38
Download
mitsubishi--v27--service-schematics--ID2986.pdf
Servicehandleiding
Handleidingen type:
Servicehandleiding
Pagina's:
76
Grootte:
16,4 MB
Taal:
engels
Revisie:
Handmatig-ID:
Datum:
Kwaliteit:
Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
30 september 2013
MD5 MD5:
e30bfbc1-4e46-3647-d422-566e99b4e5d1
Informatie
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
Downloads:
3332
Downloads van vorige maand:
5
Download
mitsubishi--v27--service--ID4633.pdf