Free Service Manuals

                                    • Power Input : AC 120V, 60Hz
• Power Usage : See table on page 5
• Light Engine : DLPTM (1920 x 1080 pixels)
5 Primary Color System
• Light Source : 180W
• Channel Range : Air VHF - 2~13, UHF - 14~69
Analog Cable - 1~125
Digital Cable - 1~135
• Antenna Input : 2 RF 75Ω unbalanced
• Tuning : 1 NTSC/ATSC/QAM
• Cabinet Dimensions : See Table on page 5
• Weight : See table on page 5
• Speakers (4Ω 10W) : Two 5½"x2¼" Oval
• Input Level : VIDEO IN JACK (RCA Type)
1.0Vp-p 75Ω unbalanced
• Input Level : AUDIO IN JACK (RCA Type)
(continued) -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 : AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7kΩ unbalanced
• Digital : AC-3 Digital Audio Output
(RCA Type)
: HDMI
: IR Blaster Output (V39+/ V39++ only)
: USB
: PC - use HMDI
: Wired IR Input (V39+/V39++ only)

INTRODUCTION ............................................................................................................................... 5
Dimensions, weight, power usage, etc. ........................................................................................... 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY ................................................................................................................................. 7
Back Cover Removal ....................................................................................................................... 7
Chassis Removal ............................................................................................................................ 7
Rear Input Cover Removal ............................................................................................................... 8
PWB-POWER Removal .................................................................................................................. 8
Chassis Cover Removal .................................................................................................................. 9
PWB-HDMI-FRONT Removal .......................................................................................................... 9
PWB-MAIN Removal ..................................................................................................................... 10
OPTICAL ENGINE........................................................................................................................... 11
Optical Engine Removal from cabinet ............................................................................................ 11
Optical Engine Removal from Duct Assembly ............................................................................... 12
Upper Duct Removal ..................................................................................................................... 12
Lower Duct with Upper Duct removed ............................................................................................ 12
Lower Duct Removal ..................................................................................................................... 13
Engine Replacement ..................................................................................................................... 13
Ballast Removal ............................................................................................................................ 14
SCREEN DISASSEMBLY ................................................................................................................. 14
WD-65835 & WD-73835 Escutcheon Removal .............................................................................. 14
Screen Assembly (Bezel) Removal ............................................................................................... 14
Screen Removal From Bezel ......................................................................................................... 16
Screen Replacement. ................................................................................................................... 18
SPEAKER & PWB-SBL Replacement ............................................................................................ 19
Speaker Replacement ................................................................................................................... 19
INITIAL SETTINGS, INITIALIZATION & TROUBLESHOOTING ....................................................... 20
Option Menu & Remote Control .................................................................................................... 20
Digital Signal Strength ................................................................................................................... 20
Reset and Initialization .................................................................................................................. 21
Initial Settings ............................................................................................................................... 22
A/V Reset .................................................................................................................................... 23
LED Indication Diagnostics ........................................................................................................... 24
Error Code Operation .................................................................................................................... 25
Color Wheel Replacement ............................................................................................................ 26
SERVICE ADJUSTMENTS ............................................................................................................... 28
Equipment & Test Signals ............................................................................................................. 28
Circuit Adjustment Mode ............................................................................................................... 28
Horizontal & Vertical Centering Adjustment ................................................................................... 28
Manual Keystone Geometry Alignment ......................................................................................... 29
Full Adjustment Mode Activation .......................................................................................... 30
4x3 and Letterbox Alignment modes .................................................................................... 31
Touch Up Adjustment Mode ................................................................................................. 32
Data Transfer ....................................................................................................................... 32
USING LEAD FREE SOLDER .......................................................................................................... 33
CHIP PARTS REPLACEMENT ......................................................................................................... 34
REPLACEMENT PARTS .................................................................................................................. 35
Parts Ordering .............................................................................................................................. 35
Critical and Warranty Parts Designation........................................................................................ 35
Parts Tolerance Codes .................................................................................................................. 35
Quick Reference List ...................................................................................................................... 36
SERVICE PARTS LIST .................................................................................................................... 37
SCREEN ASSEMBLY PARTS LIST.................................................................................................. 43
MIRROR REPLACEMENT ................................................................................................................ 44
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 47
Main Power Supply ....................................................................................................................... 47
DC to DC Supplies ........................................................................................................................ 48
Analog Video Signal Path ............................................................................................................. 49
Digital Video Signal Path .............................................................................................................. 50
Overall Sound Signal Path ............................................................................................................ 51
Overall Control Circuitry ................................................................................................................ 52
Auto Input/Output Detect Circuitry ................................................................................................ 53
Lamp Control Circuitry .................................................................................................................. 54
Short Detect Circuitry ................................................................................................................... 55
Engine Protect Circuitry ................................................................................................................ 55
System 5 / Wired Remote I/O ....................................................................................................... 56
SCHEMATIC DIAGRAMS .....................................................................................................................