Text preview for : V29-V30-V31_Service_Manual.pdf part of Mitsubishi WD-52627, WD-62627, WD-52628, WD-62628, WD-73727, WD-62827, WD-73827, WD-62927, WD-73927 Service Manual DLP Projection GDTV (2005) - (4.950Kb) Part 1/3 - pag. 85
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Ser vice
2005
Manual
MITSUBISHI ELECTRIC
DLP PROJECTION HDTV
V29 / V30 / V30+ / V31 CHASSIS
V29 Chassis V30 Chassis
WD-52627 WD-52628
WD-52327 WD-62627 WD-62628
WD-52527 WD-73727
V30+ Chassis V31 Chassis
WD-62827 WD-62927
WD-62827 WD-73827 WD-73927
Pb Solder
CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in this manual.
SPECIFICATIONS
· Power Input : AC 120V, 60Hz · Input Level : VIDEO IN JACK (RCA Type)
· Power Usage : See table on page 5 1.0Vp-p 75 unbalanced
· Light Engine : DLPTM (1920 x 1080 pixels) : AUDIO IN JACK (RCA Type)
· Light Source : 120W [V29,V30(52"&62")] -4.7dBm 43k unbalanced
: 150W [V30(73"),V30+,V31] : S-VIDEO IN JACK
· Channel Range : Air VHF - 2~13, UHF - 14~69 (Y/C separate type)
Analog Cable - 1~25 Y:1.0 Vp-p C:0.286Vp-p(BURST)
Digital Cable - 1~35 75 unbalanced
· Antenna Input : 2 RF 75 unbalanced : COMP / Y, Cr, Cb (RCA Type)
· Tuning (V29,V30) : 1 NTSC/ATSC/QAM Y: 1.0 Vp-p Cr, Cb: 700mVp-p
1 Out of Band for CableCARDTM
1 NTSC for PIP · Output Level : VIDEO OUT JACK (RCA Type)
· Tuning (V30+, V31) : 2 NTSC/ATSC/QAM 1.0Vp-p 75 unbalanced
1 Out of Band for CableCARDTM : AUDIO OUT JACK (RCA Type)
2 NTSC for PIP -4.7dBm 4.7k unbalanced
· Cabinet Dimensions : See Table on page 5 · Digital : IEEE-1394 I/O Jacks
: Digital Audio Output
· Weight : See table on page 5 (RCA Type)
: HDMITM
· Speakers (8 Ohms 10W) :
MonitorLinkTM RS-232 Control
: Two 1.5" Round : Memory Card Reader
Two 5.5"x2.2" Oval
Pb Solder : Lead-Free solder PWBs
· Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2005 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
CONTENTS
INTRODUCTION ................................................................................................................................ 5
Model Dimensions and Weight Specifiations ................................................................................... 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY ................................................................................................................................. 7
Front Disassembly (WD-52627 / WD-52628 / WD-62627 / WD-62628............................................. 7
Front Disassembly (WD-62827) ...................................................................................................... 8
Front DisassembLY (WD-62927) ................................................................................................... 11
Front Disassembly (WD-73727 / WD-73827) ................................................................................. 15
Front Disassembly (WD-73927) .................................................................................................... 17
Rear Disassembly ........................................................................................................................ 19
Chassis Disassembly & Accessing PWBs ................................................................................... 20
Out of Cabinet Chassis Operation ................................................................................................. 26
52" & 62" Models Optical Engine Replacement ............................................................................. 29
73" Models Optical Engine Replacement ...................................................................................... 34
DIAMOND SHIELDTM Removal ........................................................................................................ 38
SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ..................................................... 39
Removal of the Lenticular Screen and Fresnel Lens ...................................................................... 39
Installation of the Lenticular Screen and Fresnel Lens ................................................................... 40
ADJUSTMENTS ............................................................................................................................... 41
Option Menu & Defaults ................................................................................................................ 41
LED Indicator Diagnostics ............................................................................................................. 42
Error Codes Operational Check ..................................................................................................... 43
Remote Operational Mode ............................................................................................................ 44
Service Adjustment Mode ............................................................................................................. 44
Service Adjustment Mode Operation .................................................................................... 44
Resetting Data to factory values and Transferring data ......................................................... 45
Optical Engine Adjustment ............................................................................................................ 46
Test Signal activation ........................................................................................................... 46
Preliminary ................................................................................................................................... 46
Accessing Mechanical Adjustments ............................................................................................. 47
Models WD-52627 / 62627 / 52628 / 62628 ......................................................................... 47
Models WD-63827 & WD-62927 .......................................................................................... 48
Models WD-73727 / 73827 &WD-73927 ............................................................................... 49
Locking Screws & Wedge Removal .............................................................................................. 50
Rotation Adjustmentt ........................................................................................................... 51
Keystone Distortion Adjustment ........................................................................................... 51
After Adjustment .................................................................................................................. 51
Hortizontal & Vertical Position.............................................................................................. 51
USING LEAD FREE SOLDER .......................................................................................................... 52
CHIP PARTS REPLACEMENT ......................................................................................................... 53
REPLACEMENT PARTS .................................................................................................................. 54
Parts Ordering .............................................................................................................................. 54
Critical and Warranty Parts Designation........................................................................................ 54
Parts Tolerance Codes .................................................................................................................. 54
Quick Reference List .................................................................................................................... 55
Page 3
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
SERVICE PARTS LIST .................................................................................................................... 56
SCREEN ASSEMBLY PARTS LIST .................................................................................................. 67
WD-52627 / WD-52628 / WD-62627 / WD-62628 .......................................................................... 67
WD-62827 / WD-62927 ................................................................................................................. 68
WD-73727 / WD-73827 / WD-73927 ............................................................................................. 69
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 71
Main Power Supply ....................................................................................................................... 71
Lamp Ballast DC Supply ............................................................................................................... 72
Fans Power Supply ....................................................................................................................... 72
Optical Engine Power Supply ........................................................................................................ 73
HDD Power Supply ((V30+ & V31 Only)........................................................................................ 73
Analog Video Signal Path ............................................................................................................. 74
Digital Video Signal Path .............................................................................................................. 75
HDD Record Signal Path ............................................................................................................... 76
Sound Signal Path ........................................................................................................................ 77
Command Input Circuitry ............................................................................................................... 78
Serial Data Control Lines .............................................................................................................. 78
Lamp Control Circuitry .................................................................................................................. 79
Lamp, Engine and Fan's Protect circuitry ..................................................................................... 80
TV Guide On screen® ................................................................................................................... 80
SCHEMATIC DIAGRAMS .....................................................................................................................
PCB LAYOUT DIAGRAMS ...................................................................................................................
Page 4
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
INTRODUCTION
This service manual provides service instructions for DLP Projection TV Models and Chassis:
Dimensions/Weight
POWER
MODEL CHASSIS HEIGHT WIDTH DEPTH WEIGHT
USAGE
WD-52627 V29 34 in. 49.6 in. 18.6 in. 121 lbs. 295W
WD-52628 V30 " " " " "
WD-62627 V29 40.5 in. 58.3 in. 20.3 in 133 lbs. "
WD-62628 V30 " " " " "
WD-62827 V30+ " 60.3 in. " " 310W
WD-62927 V31 " " " " 330W
WD-73727 V30 44.8 in. 69.9 in. 21.5 in. 165 lbs. 335W
WD-73827 V30+ " " " " 350W
WD-73927 V31 " 69.8 in. " " "
This service manual includes:
1. Assembly and disassembly instructions for the front and rear cabinet components.
2. Servicing of the Lenticular Screen and Fresnel Lens.
3. Servicing down to major components, chassis, PWBs, Light Engine, Lamp Ballast, etc..
4. Electrical adjustments.
5. Optical Adjustments.
6. Lead Free Soldering.
7. Chip parts replacement procedures.
8. Simplified circuit path diagrams.
The parts list section of this service manual includes:
1. Cabinet and screen parts.
2. Electrical parts.
Block diagrams of the above listed models are included in this service manual for better understanding of the circuitry.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in television receivers have special safety related characteristics. These charac-
teristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by
using replacement components rated for higher voltage, wattage, etc.
Replacement parts which have special safety characteristics are identified in this service manual.
Electrical components having such features are identified by shading on the schematic diagram and by bold type in
the parts list of this service manual. Therefore, the replacement for any safety part should be identical in value
and characteristics.
The PWBs used in the V28 and V28+ chassis are constructed using Lead-Free solder. When
Pb Solder servicing use only recommended Lead-Free solder (refer to page 48).
CableCARD is a trademark of Cable Television Laboratories, Inc.
TV Guide On Screen is a registered trademark of Gemstar Development Corp.
HDMI is a trademark of HDMI Licensing, LLC.
Page 5
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
SAFETY PRECAUTIONS
NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on the
receiver chassis.
WARNING:
1. Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard
from the receiver's power supplies. Work on the receiver should not be attempted by anyone who is
not thoroughly familiar with the precautions necessary when working on high voltage equipment.
2. When service is required, observe the original lead dress. Extra precaution should be taken to
assure correct lead dress in the high voltage area. Where a short-circuit has occurred, replace those
components that indicate evidence of overheating.
WARNING ... RISK OF EYE INJURY
Do not look into the light source, lens or mirror when operating the TV
Leakage current check
Before returning the receiver to the customer, it is recommended that leakage current be measured according to the
following methods.
1. Cold Check
With the alternating current (AC) plug removed from the AC source, place a jumper across the two AC plug
prongs. Connect one lead of an ohm meter to the AC plug and touch the other lead to each exposed metal part
(i.e. antennas, handle bracket, metal cabinet, screw heads, metal overlay, control shafts, etc.), particularly any
exposed metal part that has a return path to the chassis. The resistance of the exposed metal parts having a
return path to the chassis should be a minimum of 1Meg Ohm. Any resistance below this value indicates an
abnormal condition and requires corrective action.
2. Hot Check ...Use the circuit shown below to perform the hot check test.
1. Keep switch S1 open and connect the receiver to the measuring circuit. Immediately after
connection, and with the switching devices of the receiver in their operating positions, measure the
leakage current for both positions of switch S2.
2. Close switch S1, energizing the receiver. Immediately after closing switch S1, and with the
switching devices of the receiver in their operating positions, measure the leakage current for both
positions of switch S2. Repeat the current measurements of items 1 and 2 after the receiver has
reached thermal stabilization. The leakage current must not exceed 0.5 milliampere (mA).
Page 6
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
CABINET FRONT DISASSEMBLY
(WD-52627 / WD-52628 / WD-62627 / WD-62628)
SPEAKER GRILLE & BEZEL Removal
1) Pull the SPEAKER-GRILLE away from the cabinet to remove.
2) Pull the BEZEL from the cabinet.
SCREEN-ASSY Removal
1) Remove 10 screws (a) from the upper cabinet rear cover (3 screws on each side and 4 screws across the
top).
2) Remove screws (b) along the bottom of the SCREEN-ASSY (8 screws on 52 inch models, and 10 screws
on 62 inch models),
3) Unplug the LL connector to the front CONTROL-PANEL.
4) Lift the SCREEN-ASSY up slightly and then pull away from the cabinet.
Page 7
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62827 Front Disassembly
FRONT PANEL CAPS Removal
1) Slide the FRONT PANEL CAPS towards
the sides of the unit.
2) Pull the FRONT PANEL CAPS from the
unit.
TOP TRIM and FRONT ESCUTCHEON Removal
1) Remove screw (a) to remove the TOP
TRIM.
2) Pull off the FRONT-ESCUTCHEONS.
Page 8
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62827 Front Disassembly (continued)
SIDE-TRIM Removal
1) Remove screws (a) and (b) on each
side of the unit.
2) Pull off the SIDE-TRIM on each side.
BEZEL Removal
1) Remove screws (c) to remove the BEZEL.
Page 9
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62827 Front Disassembly (continued)
SCREEN ASSY Removal
1) Remove screws (e) from the top and sides of the upper rear cover.
2) Remove screws (d) from the bottom of the SCREEN ASSY.
3) Lift the SCREEN ASSY up slightly and pull away from the cabinet.
Page 10
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62927 Front Disassembly
FRONT ESCUTCHEONS, CARD READER/CONTROL Assy and PEDESTAL COVER Removal
1) Remove 6 outer screws "A" at the rear sides of the cabinet. (Do not remove inner screws).
2) Pull the Right and Left Front Escutcheons from the cabinet.
3) Pull the Pedestal Cover forward to remove.
Page 11
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62927 Front Disassembly (continued)
TOP, BOTTOM and SIDES TRIM Removal
1) Remove screws (b) to remove the Top Trim.
2) Remove screws (c) to remove the Bottom Trim.
3) Remove screws (d) on both sides to remove the Side Trim
Page 12
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62927 Front Disassembly (continued)
FRONT BEZEL Removal
1) Remove screws (e) from the FRONT-BEZEL.
2) Pull the FRONT-BEZEL from the cabinet.
Page 13
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-62927 Front Disassembly (continued)
SCREEN ASSEMBLY Removal
1) Remove screws (f) from the upper rear cover (3 at each side and 4 acrross the ).
2) Remove screws (g) at the bottom of the screen.
3) Lift the Screen Assembly slighly and pull away from the unit.
Page 14
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-73727 / WD-73827 Front Disassembly
CARD READER REMOVAL
1) Pull the two PANEL-FRONTs from the cabinet.
2) Remove screws ((a) from the Card Reader.
3) Slide the Card Reader and Control Assembly out the front of the TV.
(To remove the Card Reader completely unplut the connectore LL, CE1, J8202 and 1394.)
Page 15
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-73727 / WD-73827 Front Disassembly (continued)
GRILLE-SIDE REMOVAL
1) Remove screw (b) in the GRILLE-SIDE
LEFT and GRILL-SIDE RIGHT
2) Pull the two GRILLE-SIDEs from the unit.
SCREEN-ASSY REMOVAL
1) Remove screw (c) along the top and sides
of the upper rear cover. (4 across the top
and 3 on each side).
2) Remove two screw (d) on the bottom on the
SCREEN-ASSY.
3) Lift the SCREEN-ASY slightly and pull it
away from the TV.
Page 16
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-73927 Front Disassembly
CARD READER REMOVAL
1) From the rear of the TV, remove 2 screws "B", and 6 outer screws "A" from
each side of the TV.
2) Pull of the right and left GRILLE-SIDEs.
.
Page 17
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
WD-73927 Front Disassembly (continued)
SCREEN-ASSY Removal
1) Remove screws (f) along the top and sides of the upper rear cover. (4 across the top and 3 on each side).
2) Remove two screw (g) on the bottom on the SCREEN-ASSY.
3) Lift the SCREEN-ASY slightly and pull it away from the TV.
Page 18
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Cabinet Rear Disassembly
BACK-COVER Removal
1) Remove screws (a) and (b) from the the BACK-COVER.
2) Pull the BACK-COVER from the set.
Accessing the MIRROR from the rear (52 and 62 inch models ONLY)
1) Remove screws (c).
2) Pull the Rear Mirror Access panel from the unit.
Page 19
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Chassis Disassembly / Accessing PWBs
Note: Although not individually indicated, unplug the required connectors in each
disassembly step.
Chassis Sequence of Disassembly
REMOVE
Chassis Top Cover
(Fig. 1)
REMOVE
PWB-POWER
(Fig. 3)
REMOVE
Assy PWB-TERMINAL
(Fig. 2)
REMOVE
Chassis Top Shield
(Fig. 3)
REMOVE
PWBs MICRO / FMT/ RISER
(Figs. 4 & 5)
REMOVE
Chassis Rear Shield
(Fig. 6)
REMOVE
PWB-DM
(Fig. 7)
Page 20
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Chassis Removal from the cabinet
After removing the Rear Cover:
1) Remove screw (a), (b) and (c) to remove the
back terminal board cover. (Figure A)
2) Remove screw (d) to remove the support bracket
on each side of the chassis. (Figure B)
3) Remove the chassis mounting screws (e) on
each side of the chassis. (Figure (C)
4) Unplug all connectors to the chassis and
carefully slide the chassis from the cabinet.
Figure A
Figure B
Figure C
Page 21
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Chassis Cover Removal (Figure 1)
1) Remove the 3 screws (a).
2) Lift the Cover from the chassis.
Figure 1: Chassis Cover Removal
Assy PWB- TERMINAL Removal (Figure 2)
1) Remove 7 screws (b) to remove
the TERMINAL-INLAY.
2) Remove 3 screws (c) to remove
the Assy PWB-TERMINAL.
Figure 2: ASSY PWB-TERMINAL Removal
Page 22
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
PWB-POWER Removal (Figure 3)
1) Remove four screws (d).
2) Disconnect all connectors to PWB-POWER.
3) Lift PWB-POWER from the chassis.
Chassis Upper Shield Removal (Figure 3)
1) Remove seven screws (e).
2) Lift the Shield from the chassis.
Figure 3: PWB-POWER and Chassis Upper Shield
Page 23
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
PWB-MICRO Removal
Referring to Figures 4 & 5 .
1) Remove the 2 HDMI socket screws (f).
2) Remove 3 mounting screws (g) from PWB-MICRO.
2) Unplug PWB-MICRO from PWB-RISER
and remove it from the chassis.
Figure 5: PWB-MICRO Mounting Screws
Figure 4: HDMI Socket Screws
PWB-FORMAT & PWB=RISER Removal
Referring to Figures 6
After removing PWB-MICRO:
1) Remove screw (h).
2) Unplug the PWB-FORMAT and
PWB-RISER from PWB-DM.
Figure 6: PWB-FORMAT & RISER Removal
Page 24
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
PWB-DM Removal
Chassis Rear Shield Removal (Figure 7)
1) Remove 7 screw ( j )
2) Remove 2 nuts ( j1 )
3) Pull off Chassis Rear Shield.
Figure 7: Chassis Rear Shield
PWB-DM Removal (Figures 8)
1) Remove 3 screws (k) holding the PWB-MICRO
Support Bracket.
2) Remove the Support Bracket.
3) Remove the five screws (m).
4) Remove the PWB-DM from the chassis.
Figure 8: PWB-DM Removal
Page 25
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
OPERATING CHASSIS OUTSIDE OF CABINET
1) Remove screws from back terminal board. 2) Remove support bracket screws D = (4), and
Screws A = (7), B = (2), C = (2) mounting screw E = (1)
A
D
B
C E
3) Support bracket has latch that must be opened 4) Remove mounting screw F = (1) on right side
before removing from unit of chassis behind bracket
latch
support bracket
F
5) Disconnect AC cord from connector PS and 6) Pull chassis from cabinet. Rotate to side as
disconnect connector CE1 pictured below and remove screws G = (2)
CE1
PS
G
Page 26
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
7) Pictured below is proper wire routing, please 8) Disconnect connector PL and remove screw
verify during re-assembly H = (1)
H
PL PL
9) Remove connectors PC, PA1, PB, PD and 10) Remove cover shield for Power PWB. Dis-
DVI cable connect connectors FB, ES, KA, PD, PC, J7T01
PC
PA1
J7T01
PB
DVI PC
PD PD KA
ES FB
11) Remove screws from side and front of 12) Remove screws from side of chassis J = (3)
chassis I =(4) and from terminal K = (3)
ck
t Ba
Fron
J K
I
Page 27
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
13) Pull Terminal PWB from chassis assembly 14) Setup power section next to remaining
and remove fan connector JD from Micro PWB chassis section as pictured below.
JD
NOTE: Unit can be operated without Terminal NOTE: It is recommened to use a separate AC
PWB or Chassis Fan installed. Without Fan cord. You can purchase one from the parts
connected, TV will shutdown if Micro PWB department: P/N 246C351070
(Bottom side) temperature becomes too hot.
AC Cord
Bolt Table:
3
Screw Size: 3x12
12 Used @: A / C
3
Screw Size: 3x8
8 Used @: B / G / H / I / J / K
4
Screw Size: 4x16
16 Used @: D / E / F
Page 28
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
52" & 62" Models
OPTICAL ENGINE REPLACEMENT
Pull engine from base and remove all the listed parts on this page and transfer them to new
engine. Then transfer EEPROM data and realign mechanical.
(See following pages for details)
LAMP DUCT ENGINE-PWR-PWB
LENS CUSHION BALLAST PLATE
ENGINE PLATE INTERFACE PWB
BOTTOM PLATE LAMP CARTRIDGE
LAMP FAN GROUND STRAPS
(View from front)
Lamp Duct Lens Cushion
Bottom Plate
Engine Plate
Lamp Fan
(120W Version) (note on 150W version
Lamp Fan is in front)
Ballast Plate Ballast Fan
(View from back)
Engine PWR PWB
Ballast Cover
Lamp Cartridge
Interface PWB
Page 29
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
52" & 62" Models OPTICAL ENGINE REPLACEMENT (Details)
1) Remove screws (3) 2) Remove mounting screw
3) Disconnect JA, JF, LT connectors 4) Disconnect JC and CD connectors
LT JC
JA
JF CD
5) Remove DVI cable and disconnect 6) Remove wire tie near support post
JE and DT connectors. Remove Ground Straps.
JE DVI
GROUND
STRAPS
DT
Page 30
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
52" & 62" OPTICAL ENGINE REPLACEMENT (Details)
7) Remove (3) screws from Interface PWB 8) Remove CJ3 connector from Inter-
face PWB
CJ3
9) Remove (2) screws from Side Lock 10) Route wiring so that it does not snag
on support post.
11) Disconnect PA1 and J3 connectors 12) Pull Optical Engine from cabinet. (Note:
and remove Engine-PWR-PWB Slight twisting motion may be required)
J3
PA1
Page 31
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
52" & 62" OPTICAL ENGINE REPLACEMENT (Details)
13) Remove (3) screws from Lamp Duct 14) Remove (2) screws from Lamp
Cartridge - and remove Lamp Cartridge
15) Remove (4) screws from Ballast Plate 16) Remove Bottom Plate from Engine Plate.
Remove (5) screws C - B - A (in that order)
C
Remove Screws "C" under the Bottom Plate.
B A
Remove Screws "B" from the rear of the Engine. Remove Screws "A" from the top of the Engine..
Page 32
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
52" & 62" Models OPTICAL ENGINE REPLACEMENT (Details)
17) Be sure not to misplace spring 18) Remove (1) screw from plate
(A), (4) screws from fan (B), (2)
screws from side lock (C) and (2)
grounding strap screws (D)
C
D
Spring
A B
19) Transfer LENS COVER from
service part to defective part
Reassembly:
1) Attach LENS CUSHION BASE to Engine
Lens Cushion Base
Follow above steps in reverse order
TIP: Lift and group wiring on left
side of engine when installing
Mechanical Alignment: Adjustment is required after engine has been removed. Please follow steps
in the adjustment section of this manual.
Data: Index Delay Data needs to be transfered from Engine to E2P PWB:
< MENU + 2457 + 0 >
Select -> COPY LIGHT ENGINE EEPROM TO DM
PRESS ENTER
Page 33
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
73 " Model's OPTICAL ENGINE REPLACEMENT
Pull engine assembly from the cabinet, and remove the Optical Engine from the base.
Remove all the listed parts on this page and transfer them to new engine. Then transfer
EEPROM data and realign the mechanical adjustments.
(See following pages for details)
Remove the following parts from the engine:
· Lamp Cartridge
· Joining Plate
· Lamp Fan
· ENGINE-PWR-PWB
· Bottom Plate Assembly with the Ballast and the PWB-INTERFACE
· Rubber Wedge
· Ground Straps
ENGINE-PWR LAMP
PWB FAN JOINING BALLAST
BRACKET
LAMP
CARTRIDGE
BASE PLATE
ASSEMBLY
PWB
INTERFACE RUBBER
GROUND
WEDGE
STRAPS
J
Page 34
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
73" Models OPTICAL ENGINE REPLACEMENT (Details)
Engine Assembly removal from the cabinet.
After removing the Back Cover:
1) Remove 4 screws (a) to remove the Vertical Support and DM Fan Cover.
2) Remove screw (b) to remove the Lamp Box cover.
a
LAMP
COVER
b
VERTICAL DMD FAN
SUPPORT COVER
3) Remove 3 Screws (c) and disconnect all leads to the Optical Engine.
4) Remove screw (d) from PWB-INTERFACE.
4) Carefully slide the Light Engine from the cabinet.
c d c
Page 35
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
73" Models OPTICAL ENGINE REPLACEMENT (Details)
Engine removal from the Base Plate Assembly.
1) Remove 2 screws (e) and 2 screws (f) to remove the Joining Bracket.
f
Joining
e
Bracket
2) Remove the Rubber Wedge and 2 screws (g) at the rear of the Engine.
Rubber
Wedge
g
3) Remove screw (h) on top of the Engine, and unplug the ballast leads from the Lamp Box.
Unplug
Ballast
Leads
h
Page 36
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
73" Models OPTICAL ENGINE REPLACEMENT (Details)
Engine removal from the Base Plate Assembly (continued)
4) Carefully lift the Engine from the Base Plate.
CAUTION: Do Not lose the spring sitting in the Base Plate Assembly.
DO NOT
LOSE
Engine Installation
Reverse the procedure to install the new Engine.
After Replacing the Optical Engine:
Transfer Data from the new Engine to the DM (refer to page 45).
Page 37
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
DIAMOND SHIELD REPLACEMENT
(WD-62927 / WD-73927 Only)
To Remove the Diamond Shield:
1) While wearing soft cotton gloves,
loosen the sides of the Diamond Shield
by pressing a small plastic card (the
size of a standard credit card or a
clean, plastic, putty knife) into the
middle of the side slot. The Diamond
Shield side will snap out of the top,
middle and bottom clips. Loosen both
sides before proceeding to step 2.
2) After the sides are free, gently push
down on the top of the Diamond
Shield. It will slide out of the top
channel.
3) Carefully pull the screen up to it from
the bottom channel. Store the Diamond
Shield in a clean dust free area, where
it will not be scratched.
To Install the Diamond Shield:
4) Slide the Diamond Shield into the bottom
channel, making sure it fits securely.
5) Press gently on the top of the Diamond
Shield to slightly bow the screen toward
you. Insert the top of the Diamond Shield
into the top channel. It should fit securely.
6) At each side, gently press the top, middel
and bottom of the Diamond Shield to snap it
back into place.
WARNING
Sharp edges! Always wear gloves to handle, lift,
install and remove the Diamond Shield.
Page 38
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS
CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens.
This prevents cuts and finger prints. Do not place Fresnel Lens in the sun.
This may cause fire and heat related injuries.
Lenticular Screen and Fresnel Lens Removal
1. Remove the screen assembly as shown in the Cabinet Disassembly procedure.
2. Remove the four screws (a) to remove the bottom of the SCREEN-FRAME-BOTTOM . (Figure 1)
3. From the rear of the screen assembly, carefully slide the Lenticular Screen and Fresnel Lens combination
from the Screen Frame. (Figure 2)
Note: When separating the Lenticular Screen from the Fresnel Lens, use caution
while prying the Screen and Lens apart. Use a slot type screw driver, and
remove the pressure sensitive double sided tape.
Figure 1
Page 39
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS
Lenticular Screen and Fresnel Lens Installation
Note: Store the Lenticular Screen and Fresnel Lens in a cool dry place. High humidity may
deform the Lenticular Screen and Fresnel Lens.
1. Apply double coated tape (Part #LENS-TAPE) along the top rear edge of the Lenticular Screen, as shown
below. Refer to the table below for the tape length.
2. Sandwich the Fresnal Lens and Lenticular Screen together. The Lenticular Screen label must be towards
the front and the Fresnel Lens label towards the rear. (Figure 2)
3. Apply pressure at the top edge to bond the screens together.
4. Reverse the Screen Removal procedure and insert the screens in the Screen Fame Assembly.
Figure 1
Model Tape Length
WD-52627
45.3 in.
WD-52628
WD-62627
WD-62628
53.9 in.
WD-62827
WD-62927
WD-73727
WD-73827
WD-73927 63.5 in.
Page 40
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
OPTION MENU
1. Press the "MENU" button on the remote hand unit.
2. Press the buttons "2", "4", "7" and "0" in order.
(The screen will change to the option menu.)
Initial Main Menu Defaults
Setup Menu L-Adult Language Enable
Language English S-Sexual Situationss Enable
Combine Channel View -- V-Violence Enable
Clock Programs Not Rated Enable
Clock Setting Manual Movie Rating PG
Time 12:00pm V-Chip Time
Date -- Start 12:00pm
Time Zone -- Stop 12:00pm
Daylight Savings Time -- Lock by Time
Timer -- Lock by Time On
Lamp Reminder Lock Time 12:00pm
Software Version Unlock Time 12:00pm
NetCommand Menu Front Button Lock Off
Edit -- Audio/Video
Icon Order -- A/V Memory Reset Ant-1
Transport Menu On Settings
Fixed Channel for Cable Box 3 (gray out) Audio
Record Bass 50%
Record Treble 50%
Channel 2 Balance 50%
Record to -- Surround Off
Duration 1 hr Listen to (Analog Only) Stereo
Start Time -- Level Sount (Analog Only) On
Day -- Language (Digital Only) English
Record List -- Video
Default Record Device Gray out Contrast 100%
Analog Recordings Anamorphic Brightnes 50%
Channel Sharpness 50%
Antenna 1 Color 50%
Tint 50%
Prefer Digital -- Color Temp High
Channel 2 Video Noise Standard
Memory Added Film Mode (Auto) On
Name -- Define Edge On
SQV -- Color Balane
Signal Strength -- Video Mute On
Captions Menu black Enhancement On
Analog Captions On if Mute TV Speakers On
Background Gray TV Volune 30%
Digital Caption On if Mute PIP Source Ant 1 003
Appearance Default PIP Position Lower Right
DigitalSettings POP Position Right Half
Font Font 3 PIP/POP Format Double Window
Size Large Format
Color White Ant-1,2 (480i/480p) Stretch
Background Black Ant -1,2 (HD Digital) Standard
Opacity Translucent Input 1,2,3 Standard
Background Opacity Translucent Comp-1,2,3 Standard
V-Chip Lock Menu HDMI-1,2 (Video) Standard
V-Chip Off HDMI-2(PC) Standard
TV Rating TV-PG Card Reader Video Standard
FV-Fantasy Violence Enable Analog PC (v31 ONLY) Standard
D-Sexual Dialog Enable
Page 41
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
A/V RESET DEFAULT SETTINGS (By Input)
INPUTS Component 1394 when HDMI 1/2 HDMI-2 (PC)
A/V Memory Ant 1/2 Card 1~4
1/2/3 1/2/DTV connected (Video) Analog PC*
Bright/Natural Bright Bright Bright Bright Bright N/A Bright
Bright Contrast MAX MAX MAX MAX MAX MAX MAX
Bright Brightness Center Center Center Center Center Center Center
Color Center Center Center Center Center N/A Center
Tint Center Center Center Center Center N/A Center
Sharpness Center Center Center Center Center N/A Center
Color Temp. High High High High High High High
Manual/ Manual/ Manual/ Manual/ Manual/ Manual/
Perfect Color
Center Center Center Center Center N/A Center
Deep Field Imager
On On On On On On
(V30-V31) N/A
Video Noise Standard Standard Standard N/A Standard N/A N/A
TV Film Mode (Auto) On On On N/A On N/A N/A
SharpEdge (V30-V31) On On On On On N/A On
Bass Center Center Center Center Center Center Center
Treble Center Center Center Center Center Center Center
Balance Center Center Center Center Center Center Center
Surround OFF OFF OFF OFF OFF OFF OFF
Listen To Stereo N/A N/A N/A N/A N/A N/A
Level Sound On On On On On On On
Language
English N/A N/A English N/A N/A English
(Digital Only)
Vertical Position N/A N/A N/A N/A N/A Center N/A
Horizontal Position N/A N/A N/A N/A N/A Center N/A
Fine Detail N/A N/A N/A N/A N/A Center N/A
*Analog PC mode is only available on V31 models
A. A/V Memory
Each of the external inputs has its' own Audio/Video Memory. A change in an A/V setting at a specific input is
stored in memory for that specific input.
B. A/V Reset
1. On the front panel, pressing GUIDE and FORMAT at the same time initializes all A/V Memories.
2. The AV Reset in the user's menu initializes only the selected input's A/V Memory.
LED Indicator Diagnostics
The front panel LEDs provide an indication of the sets opera-
tion, and the possible cause of a malfunction. There are three
front panel LEDs, "Power", "Status" and "Lamp". Which LED is
lit, the color and whether it is blinking or steady indicate the
current status, or a possible malfunction.
Normal LED Indications
POWER STATUS LAMP Power
Condition
LED LED LED Status
Off Off Off Stby Off
Green Off Off P-0N Power On
Blinks After Turn
Off Off Lamp Fan On for 1 minute
Green Off
Blinks
Off Off Stby Booting after AC applied
Green
Slo Blinks
Off Off Stby On Timer is set
Green
Page 42
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Abnormal LED Indications
POWER STATUS LAMP Power
Condition
LED LED LED Status
Low
Off Yellow Off Excess Temperature
Power
No 120w usage time over 7000 Hrs.
Off or On Off Yellow
change 150W usage time over 3500 Hrs.
Blinks Low
Off Off Lamp Cover open
Yellow Power
Blinks
Off Off " Filter Cover Open
Yellow
Off Off Red Stby Lamp did not turn On
Blinks Low
Off Off Fan Stopped
Red Power
Circuit failure (short or DVI
Off Red Off "
connector unplugged)
3. Error Code Operational Check
Note: The TV must be in "Shut Down" and not have been switched Off, to perform the Error Code Opera-
tional Check. When the TV is switched Off, the code automatically resets to "12" No Error.
Pressing the front panel "DEVICE" and "MENU" buttons at the same time, and holding for 5 seconds,
activates the Error Code Mode. The LED flashes denoting a two digit Error Code, or indicating no problem
has occured since the last Initalization.
Note: The front panel buttons must be used, NOT those on the Remote Control.
· The number of flashes indicates the value of the MSD (tens digit) of the Error Code.
· The flashing then pauses for approximately 1/2 second.
· The LED then flashes indicating the value of the LSD (ones digit) of the Error Code.
· The Error Code is repeated a total of 5 times.
Example: If the Error Code is "23", the LED will flash two times, pause, and then flash three times.
4. Error Codes
The Error Code designations indicating malfunction, or no malfunction, are listed below:
Error Codes "DEVICE" & "MENU"
Error Codes Description
12 No error detected
22 Recovery from Reset
32 Lamp cover is Open
34 Lamp abnormality
35 DM Fan failed (Chassis Fan)
36 Exhaust or Lamp Ballast Fan failed
37 DMD Engine Fan failed
38 Lamp temperature abnormally high
39 DMD temperature abnormally high
41 Short is detected (Standby Power Supplies)
42 Lamp Fan failed
44 DVI cable between Format and Engine disconnected
46 DMD Temp. Sensor not detected (check DT connector))
47 DM Temperature too high
48 Engine power supply short detected
51 Speaker Drive circuit short detected
52 HDD excess temperature (V30+ & V31 only)
55 HDD Fan Stopped (V30+ & V31 onlyt)
Page 43
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Remote Control Operational Modes
There are two Remote Hand Unit Operational Modes, "Standard" and "NetCommandTM". The Remote is initially
in the "Standard" mode. The "NetCommandTM" mode is used when controlling Home Theater devices using
NetCommandTM. To change the Remote Operational Mode:
· Set the Remote to the TV Layer
· Point the Remote away from the TV.
· To change to "NetcommandTM" ... Hold the "Power" button and press "9-3-5" in seque