Mitsubishi -- VZ9 -- Service Manual
File name: Mitsubishi-4637-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 71
Size: 6.68 Mbytes (7008469 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date: 2001
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 53106574938d070fc7a835a9ce4c28f0
Downloads: 653 since 30 September 2013
Information:
INTRODUCTION ............................................................................................................................... 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................... 6
DISASSEMBLY ................................................................................................................................. 7
Front Cabinet Components ............................................................................................................. 7
Rear Cabinet Components .............................................................................................................. 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
VS-70709 CABINET SEPARATION PROCEDURE ............................................................................ 11
SERVICING THE DIAMONDSHIELDTM r ........................................................................................... 12
DiamondShieldTM Removal ............................................................................................................ 12
DiamondShieldTM Installation ......................................................................................................... 12
SERVICING PCBs ............................................................................................................................ 13
Chassis Removal & PCB Locations .............................................................................................. 13
Major Parts Locations ................................................................................................................... 13
CRT REPLACEMENT ....................................................................................................................... 14
CRT Removal ............................................................................................................................... 14
CRT Installation ............................................................................................................................ 15
ELECTRICAL ADJUSTMENTS ........................................................................................................ 17
Equipment ................................................................................................................................... 17
Initial Setup .................................................................................................................................. 18
LED Indicator Diagnostics ............................................................................................................. 19
Circuit Adjustment Mode............................................................................................................... 20
Convergence Adjustment Mode ..................................................................................................... 21
Adjustment Items List ................................................................................................................... 24
Test Points Locations ................................................................................................................... 27
Adjustment Procedures ................................................................................................................ 28
Audio Circuit ........................................................................................................................ 28
High Voltage Control ............................................................................................................ 29
Focus Adjustments .............................................................................................................. 29
CRT Adjustments................................................................................................................. 30
Video Adjustments .............................................................................................................. 32
PIP Adjustments .................................................................................................................. 33
Cb, Cr Offset Adjustment ..................................................................................................... 34
Character Position ............................................................................................................... 34
Deflection/Convergence Geometry Presets .......................................................................... 35
Height and Vertical Linearity Adjustments ............................................................................ 36
Centering and Static Convergence ....................................................................................... 36
Convergence Geometry Adjustments ................................................................................... 37
Convergence Adjustments ................................................................................................... 38
CHIP PARTS REPLACEMENT ......................................................................................................... 40
REPLACEMENT PARTS .................................................................................................................. 41
Parts Ordering .............................................................................................................................. 41
Critical and Warranty Parts Designation........................................................................................ 41
Parts Tolerance Codes .................................................................................................................. 41
Model Abbreviations ...................................................................................................................... 41
Quick Reference List .................................................................................................................... 42
SERVICE PARTS LIST .................................................................................................................... 43
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 54
Power Supply ............................................................................................................................... 54
Video/Color Signal Path ................................................................................................................ 55
Sound Circuit ............................................................................................................................... 56
Deflection and High Voltage .......................................................................................................... 56
Protect Circuitry ............................................................................................................................ 57
Convergence Circuitry ................................................................................................................... 57
Control Circuitry ............................................................................................................................ 58
SCHEMATIC DIAGRAMS
PCB LAYOUT DIAGRAMS
Mitsubishi-4637-Manual-Page-1-Picture
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Equipment information

Mitsubishi VZ9 TV chassis
Manufacturer
Mitsubishi
Model: VZ9
Date: 2001
Category: Audio, Video, TV, Multimedia
Group: TV chassis
Description: PROJECTION TELEVISION CHASSIS
Information:
                                    • Power Input : AC 120V, 60Hz
• Power : 200W
Consumption
• Frequency : VHF 54 ~ 470MHz
Range UHF 470 ~ 806MHz
• Antenna Input : VHF/UHF 75Ω unbalanced
Single axis input
• CRT Size : 7"
• High Voltage : 32.0kV (at 0A)
• Speaker : [VZ9]
4" round type, full range 2 pcs.
(8Ω 10W)
[VZ9+]
5" round type, full range 2 pcs.
(8Ω 10W)
• Weight : [VS-45609] 176 lbs
[VS-50609] 198 lbs
[VS-55609] 229 lbs
[VS-60609] 259 lbs
[VS-60719] 253 lbs
[VS-70709] 369 lbs
• Cabinet : [Model] (H)x(W)x(D)
Dimensions : [VS-45609] 48"x38.4"x22.2"
: [VS-50609] 50.4"x42.8"x23.8"
: [VS-55609] 54.8"x46.4"x23.7"
: [VS-60609] 60.8"x50.6"x29"
: [VS-60719] 60.8"x50.6"x29"
: [VS-70709] 70.5"x58.7"x29.4"
• 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
: Component Inputs (RCA Type)
Y: 1.0Vp-p
Cr, Cb: 700mVp-p
• Output Level : VIDEO OUT JACK (RCA Type)
1.0Vp-p 75Ω unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7kΩ unbalanced