Equipment information

Mitsubishi WD-57731 TV
Manufacturer
Mitsubishi
Model WD-57731
Date 2006
Category: Audio, Video, TV, Multimedia
Group TV
Description DLP PROJECTION HDTV
Information
                                    • Power Input : AC 120V, 60Hz
• Power Usage : See table on page 5
• Light Engine : DLPTM (1920 x 1080 pixels)
• Light Source : 150W (52, 57 & 65" models)
• Channel Range : Air VHF - 2~13, UHF - 14~69
Analog Cable - 1~125
Digital Cable - 1~135
• Antenna Input : 2 RF 75Ω unbalanced
• Tuning (V33) : 1 NTSC/ATSC/QAM
1 Out of Band for CableCARDTM
(WD-57731 & WD-65731 Only)
• Cabinet Dimensions : See Table on page 5
• Weight : See table on page 5
• Speakers (4Ω 10W) : Two 5.75"x2.4" Oval
• 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
• 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
: AC-3 Digital Audio Output
(RCA Type)
: HDMI
: DVI-I

These manuals are available for the above equipment:

Mitsubishi -- WD-57731 -- Service Manual
File name Mitsubishi-4635-Manual-Page-1-Picture
Manual Type Service Manual
Pages 76
Size 7.44 Mbytes (7802893 Bytes)
Language english
Revision
Manual-ID/Number
Date 2006
Quality Electronic document, no scan, very well readable.
Upload date
MD5 a52cb90f28ff490d89981a77cc170444
Downloads 455 since 30 September 2013
Information
INTRODUCTION ............................................................................................................................... 5
Dimensions, weight, power usage, etc. ........................................................................................... 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY ................................................................................................................................. 7
Rear Cover Removal ........................................................................................................................ 7
Chassis Removal and Disassembly ................................................................................................ 7
Optical Engine Removal ................................................................................................................ 11
WD-52631 Front Disassembly ...................................................................................................... 12
WD-57731 & WD-65731 Front Disassembly ................................................................................. 13
SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ..................................................... 14
Lenticular Screen and Fresnel Lens Removal and Replacement .................................................... 14
ADJUSTMENTS ............................................................................................................................... 15
Option Menu, Remote Control and Digital Signal Strength ............................................................. 15
Initialization .................................................................................................................................. 16
Defaults ....................................................................................................................................... 17
LED Indicator Diagnostics ............................................................................................................. 19
Error Codes Operational Check ..................................................................................................... 19
Error Codes List ................................................................................................................... 20
Lamp Troubleshooting ................................................................................................................... 20
Lamp Control diagram .......................................................................................................... 21
Lamp Switch Disabling ........................................................................................................ 21
Lamp Troubleshooting Flow Chart ........................................................................................ 22
CableCARD™ Troubleshooting ..................................................................................................... 23
Service Adjustment Mode ............................................................................................................. 24
Service Adjustment Mode Operation .................................................................................... 24
Transferring data .................................................................................................................. 25
Optical Engine Adjustment ............................................................................................................ 26
Test Signal activation ........................................................................................................... 26
Preliminary .......................................................................................................................... 26
Rotation and Keystone Distortion Adjustment ...................................................................... 28
After completing Light Engine Adjustments .......................................................................... 28
Horizontal & Vertical Position ............................................................................................... 29
USING LEAD FREE SOLDER .......................................................................................................... 30
CHIP PARTS REPLACEMENT ......................................................................................................... 31
REPLACEMENT PARTS .................................................................................................................. 32
Parts Ordering .............................................................................................................................. 32
Critical and Warranty Parts Designation........................................................................................ 32
Parts Tolerance Codes .................................................................................................................. 32
Quick Reference List ........................................................................................................................ 33
SERVICE PARTS LIST .................................................................................................................... 34
SCREEN ASSEMBLY PARTS LIST.................................................................................................. 41
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 42
Main Power Supply ....................................................................................................................... 42
xHD5 Light Engine & Fan Power Supplies .................................................................................... 43
PWB-SIGNAL Video Path ............................................................................................................. 43
PWB-DM Video Path .................................................................................................................... 44
Sound Select Circuitry .................................................................................................................. 45
Sound Signal Path ........................................................................................................................ 46
Overall Control Circuitry ................................................................................................................ 47
Command Input Circuitry ............................................................................................................... 48
Lamp Control Circuitry .................................................................................................................. 49
xHD5 Engine Protect Circuitry ...................................................................................................... 50
Short Protect Circuit ..................................................................................................................... 50
Auto Input Detection ..................................................................................................................... 51
Power Distribution ......................................................................................................................... 52
SCHEMATIC DIAGRAMS .....................................................................................................................
Mitsubishi-4635-Manual-Page-1-Picture
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