Mitsubishi Electric mitsubishi - Manual
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Table of Contents:
- Page 3 – CONTENTS
- Page 4 – SCHEMATIC DIAGRAMS
- Page 5 – INTRODUCTION; This service manual includes:; PRODUCT SAFETY NOTICE
- Page 6 – SAFETY PRECAUTIONS; Leakage current check; . Any resistance below this value indicates an
- Page 7 – Front Cabinet Disassembly; *Refer to the Parts List for Part Numbers
- Page 8 – REAR DISASSEMBLY; Rear Plate Removal; NOTE
- Page 9 – Chassis Removal Procedure; CHASSIS REMOVAL
- Page 10 – Shield Removal
- Page 12 – Accessing The Lamp Ballast; to remove the support bracket.; Removing the Lamp Ballast Shield; Screws
- Page 13 – OPTICAL ENGINE REPLACEMENT; Optical Engine is mounted on the Adjuster assembly as shown below.
- Page 14 – Removing the Optical Engine
- Page 15 – Remove the follolwing parts from the Optical Engine; DMD Thermal Sensor; DMD Termal Sensor Removal (; Figure 1; Bottom Plate & Black Bracket Removal; Figure 2: Bottom Plate
- Page 16 – Figure 3: Black Support Bracket; Installing the Optical Engine; the replacement Engine
- Page 17 – SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS; Wear gloves; when handling the Lenticular Screen and Fresnel Lens.; Do not place Fresnel Lens in the sun; This may cause fire and heat related injuries.; Lenticular Screen and Fresnel Lens Removal; from the Screen Frame.
- Page 19 – Lenticular Screen and Fresnel Lens Installation; deform the Lenticular Screen and Fresnel Lens.; MODEL
- Page 20 – ELECTRICAL ADJUSTMENTS; Test Equipment; A. Internally Generated Square Pattern Signals
- Page 21 – Initial Setup; Follow the steps below for the initial set-up:; Default Settings; V K 2 6 M a in M e n u D e fa u lt S e ttin g s; Off
- Page 22 – stored in memory for that specific input.; LED Indications; Function; Normal LED Indications
- Page 23 – LED Diagnostic Check; Initial Control Circuitry Check; Immediately after the TV is connected to an AC power source:; Error Code Operational Check; The front panel buttons must used, NOT those on the Remote Control.; Circuit Adjustment Mode; A. Activating the Circuit Adjustment Mode; ERR0R CODES; Error
- Page 24 – Press the “VIDEO” button to select a specific; D. Saving Adjustment Data; E. Terminating the Circuit Adjustment Mode; MAIN MATR; Adjustment Functions
- Page 25 – DDP Function; List of Service Adjustment Items; MAIN MATRIX; SUB MATRIX; SCNT; FPGA; Vertical Position
- Page 27 – To set the sub picture color level.
- Page 28 – To set high, mid and low temperature white levels.
- Page 29 – Mechanical Adjustments; Front Disassembly; Rear Disassembly
- Page 30 – Picture Rotation Adjustment
- Page 31 – Keystone Adjustment; Horizontal Keystone Distortion
- Page 32 – are indicated by; Bold Type; in the Parts List; C u s to m e r Re p la c e a b le P a r ts
- Page 33 – INTEGRATED CIRCUITS; TRANSISTORS; DIODES
- Page 34 – COILS
- Page 36 – TRANSFORMERS; RESISTORS
- Page 37 – CAPACITORS; CAPACITORS AND TRIMMERS
- Page 39 – SWITCHES
- Page 40 – PRINTED CIRCUIT BOARDS; ACCESSORIES
- Page 41 – SCREEN ASSEMBLY PARTS
CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in this manual.
• Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2004 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
MITSUBISHI ELECTRIC
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DIGITAL LIGHT PROCESSING™ PROJECTION TV
VK26 CHASSIS
SPECIFICATIONS
• Power Input
: AC 120V, 60Hz
•
Power Usage
: 200W
• Light Engine
: DLP (1280 x 720p pixels)
• Light Source
: 120W VIP
• Frequency Range
: VHF 54 ~ 470MHz
UHF 470 ~ 806MHz
•
Antenna Input
: VHF/UHF 75
Ω
unbalanced
2 - NTSC
• Cabinet Dimensions
WD-52327
: 37.2"(H) x 49.6"(w) x 17.4"(D)
WD-62327
: 43.7"(H) x 58.3"(W) x 19.9"(D)
• Weight
[WD-52327] 110 lbs
[WD-62327] 139 lbs
•
Speakers (8 Ohms 10W)
: 2-5 inch Coaxial
• Input Level
: VIDEO IN JACK (RCA Type)
1.0Vp-p 75
Ω
unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43k
Ω
unbalanced
: S-VIDEO IN JACK
(Y/C separate type)
Y:1.0 Vp-p C:0.286Vp-p(BURST)
75
Ω
unbalanced
: COMP / Y, Cr, Cb (RCA Type)
Y: 1.0 Vp-p Cr, Cb: 700mVp-p
: DTV / Y(G), Pr(R), Pb(B), H, V
Y: 1.0Vp-p with sync 75
Ω
(BNC)
Pr, Pb: 700mV 75
Ω
H, V: 3.0Vp-p 75
Ω
•
Output Level
: VIDEO OUT JACK (RCA Type)
1.0Vp-p 75
Ω
unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7k
Ω
unbalanced
•
Digital
: MonitorLink
TM
/DVI
.
MODELS
WD-52327
WD-62327
WD-52327
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Summary
MODEL: WD-52327 / WD-62327 Page 3 INTRODUCTION ............................................................................................................................... 5 PRODUCT SAFETY NOTICE ........................................................................................................
MODEL: WD-52327 / WD-62327 Page 4 Switched DC to DC Supplies ............................................................................................... 43Video/Color Signal Path ....................................................................................................... 44Sound Signa...
MODEL: WD-52327 / WD-62327 Page 5 INTRODUCTION This service manual provides service instructions for PTV models WD-52327 and WD-62327, using the VK26 chassis. This service manual includes: 1. Assembly and disassembly instructions for the front and rear cabinet components.2. Servicing of the Lenticul...
