Mitsubishi Electric WD-52525 Use and care manual

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2004 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
2004
V26 V26+ V26++
WD-52525 WD-52725 WD-52825
WD-62525 WD-62725 WD-62825
V26 Chassis
Part Replacement Instructions
• Optical Engine
• Electrical Chassis
• HDD (PVR)
• PWB’s

I
ELECTRICAL CHASSIS REPLACEMENT
OPTICAL ENGINE REPLACEMENT
HDD (PVR) REPLACEMENT
FORMAT PWB REPLACEMENT
DM PWB REPLACEMENT
SIGNAL PWB REPLACEMENT
TERMINAL 1 & 2 PWB REPLACEMENT
V26 CHASSIS
Part Replacement Instructions
Note: Replacement Instructions are packaged with replacement parts.
TABLE of CONTENTS

Page 1
Mitsubishi Digital ElectronicsAmerica, Inc
MITSUBISHI INSTRUCTIONS: V26 CHASSIS REPLACEMENT
COVER-BACK Removal
1) Remove9 screws(a)
2) Remove6 screws (b)
3) Remove 2screws (c)
4) Pull the COVER-BACK
fromthe cabinet.
CHASSIS REMOVAL
REAR PLATE Removal
1) Remove6 screws (a)
2 Remove10screws(b)
3) Pull the Rear Plate from
the cabinet.
(a) (a)
(b)
(
b
)
(a) (a)
(b)
(
b
)
(b)
FILTER-COVER Removal
Remove2 screws (d)to remove theFilter Cover.
4) Disconnect FN2 connector (c)
(c)

Page 2
Mitsubishi Digital ElectronicsAmerica, Inc
MITSUBISHI INSTRUCTIONS: V26 CHASSIS REPLACEMENT
Chassis Removal
1) Remove the 2 screws (a) securing the chassis to the top base.
2) Remove 6 screws (b) securing the chassis to the bottom base and the left bracket.
3) Unplug the USB and 1394 connectors from the Chassis.
NOTE: In the V26++ chassis the Card Reader 1394 connector plugs into the Hard Drive Module.
4) RemoveACcord from notch
5) Carefully slide the chassis from the cabinet.
(a)
(b)
6) Remove cabletie.
Note: This cable tie can
beunlocked and reused.
PullTab

Page 3
Mitsubishi Digital ElectronicsAmerica, Inc
MITSUBISHI INSTRUCTIONS: V26 CHASSIS REPLACEMENT
7) Disconnect 8 connectors from chassis to other devices.
(AA, RL, ES1, CC(2-pin), LL, CC(12-pin), FN1, and DVI cable to Chassis)
AA
RL
LL
CC
ES1
CC
FN1

Page 4
Mitsubishi Digital ElectronicsAmerica, Inc
MITSUBISHI INSTRUCTIONS: V26 CHASSIS REPLACEMENT
Accessing & Disconnecting The Lamp Ballast
Removing the Right Support
1) Remove the 3 screwsshown below.
Removing the Lamp Ballast Shield
(4 screws) Unplug CN1 & CN2
Connectors
3 Screws
Curved
Air Duct
NOTE: To remove the chassis, the two connectors to the Lamp Ballast must be
disconnected at the Lamp Ballast.
Unplug
Connectors
4 Screws
Chassis can now be removed.
NEW CHASSIS INSTALLATION
To install a new chassis, reverse previous steps for removal.
Perform DATA COPYProcedure: MENU+24570, select “Copy Light Engine Data to DM”, press ENTER.
SeeV26 Service Manual for Details.

Page 1
Mitsubishi Digital Electronics America, Inc
MITSUBISHI INSTRUCTIONS: V26/VK26 ENGINE REPLACEMENT
COVER-BACK Removal
1) Remove 9 screws (a)
2) Remove 6 screws (b)
3) Remove 2 screws (c)
4) Pull the COVER-BACK
from the cabinet.
ENGINE REMOVAL
REAR PLATE Removal
1) Remove 6 screws (a)
2 Remove10 screws (b)
3) Pull the Rear Plate from
the cabinet.
(a) (a)
(b)
(
b
)
(a) (a)
(b)
(
b
)
(b)
FILTER-COVER Removal
Remove 2 screws (d) to remove the Filter Cover.
4) Disconnect FN2 connector (c)
(c)

Page 2
Mitsubishi Digital Electronics America, Inc
MITSUBISHI INSTRUCTIONS: V26/VK26 ENGINE REPLACEMENT
Removing the Optical Engine
1) Disconnect all connectors connected to the Optical Engine and the PWB-DMD. (JA, DT, J9, J14, DVI, JB,
JC)
2) From the rear of the TV, remove the 4 screws (a), to remove the COVER-DUCT.
(JB) (JC)
(a)
(b)
(b)
(DT)
(J9)
(J14)
(DVI)
(JA)
3) From the rear of the TV, remove the 4 screw (b),
securing the bottom plate to the Adjuster assembly.

Page 3
Mitsubishi Digital Electronics America, Inc
MITSUBISHI INSTRUCTIONS: V26/VK26 ENGINE REPLACEMENT
4) Slide the Optical Unit, PWB-DMD and bottom plate towards the rear to remove the unit from the TV.
6) Remove 2 screws (c) from the lamp power cable. (c)
5) Loosen 3 screws and remove the lamp cartridge.

Page 4
Mitsubishi Digital Electronics America, Inc
MITSUBISHI INSTRUCTIONS: V26/VK26 ENGINE REPLACEMENT
Removing the follolwing parts from the Optical Engine
• DMD Heat Sensor
• The Optical Engine bottom plate and black bracket
• Lamp Housing Grill
DMD Heat Sensor Removal (Figure 1)
1) Remove screw (a) on the top of the DMD Fan.
2) Set the Heat Sensor aside to install on the replacement Optical Engine.
Figure 1: DMD Heat Sensor
Bottom Plate & Black Bracket Removal
1) Remove the 4 screws (B) from the Bottom Plate (Figure 2)
2) Remove the two screws (c), holding the Black Bracket to the Lamp Box. (Figure 3)
Figure 2: Bottom Plate
(a)
Heat Sensor
(B)
Bottom View
Bottom Plate

Page 5
Mitsubishi Digital Electronics America, Inc
MITSUBISHI INSTRUCTIONS: V26/VK26 ENGINE REPLACEMENT
Figure 3: Black Support Bracket
Front View
Black Bracket
(C)
Installing the Optical Engine
1) Remove the Bottom Plate, Black Support
Bracket, Lamp Housing Grill and the Heat
Sensor from the original Optical Engine and
install on the replacement Engine.
2) Transfer the Lens Cap from the replacement
Engine to the original Engine.
3) Reverse the removal procedure to install the
replacement Optical Unit in the cabinet.
(See diagram to the right for reference)
The Optical Engine is mounted on the Adjuster assembly
as shown in the diagram to the right.
1) The Optical Engine is secured to the bottom plate by
4 screws (b).
2) The Black Bracket is secured to the bottom plate and
the Lamp Housing with 4 screws (c).
2) The bottom plate tab (1) slides into slot (1) on the
Adjuster.
3) Four screws (a) secure the bottom plate and Optical
Engine to the Aduster assembly.
4) Two screws secure the Lamp Housing Grill.
5) To replace the Optical Engine, only the bottom plate,
black bracket and the Optical Engine need to be
removed.
Lamp Housing
Grill (2 screws)

Page 6
Mitsubishi Digital Electronics America, Inc
MITSUBISHI INSTRUCTIONS: V26/VK26 ENGINE REPLACEMENT
Adjustments
1) DATA COPY Procedure
V26 Chassis: Press <MENU> <2-4-5-7> <0> Select “Copy Light Engine Data to DM”, Press <ENTER>.
VK26 Chassis: DATA COPY procedure is not necessary.
2) The following adjustments may have to be performed after the installation. (see service manual)
• Horizontal and Vertical Electrical Centering Adjustment.
• Optical Unit Rotation Adjustment
• Optical Unit Keystone Adjustment
Repackaging - Important... Engines returned with damage due to improper packaging will
not receive credit.
1) Place the Lens Cap onto the original Optical Engine and place the Engine into the plastic bag.
2) Pack the Engine in the same manner the replacement was supplied, using all foam packing material.
Use Figure 4 as a reference.
Lamp Fan
Faces Up
DMD Heatsink
& Fan Fit Into
Cutout
Lens Cap on
Lens
Optical Engine in
Plastic Bag
Figure 4: Repackaging

INSTALLATION INSTRUCTIONS: HDD REPLACEMENT V26++
Page 1
Mitsubishi Digital ElectronicsAmerica, Inc
1001 Cherry Drive,Suite 2 * Braselton, GA 30517
1) First, remove all external 1394 devices.
2) Before replacing HDD: Press MENU + 2470
3) Select TV Disc: Press Enter, wait for confirmation and press Enter again. See Figure 1-2
4) RemoveASSY-HDD-UNIT. See Figures 3~5
a) Disconnect (2) 1394 cables “A” and “B” from ASSY-HDD UNIT
b) Disconnect power connections P1 and PD. See Figure 3
c) Remove screws “C” (5). See Figures 4-5
5) Install new ASSY-HDD-UNIT. Refer to Figures 3~5
6) Power on TV and confirm TV Disc icon is found. Refer to Figure 6
7) Install other external 1394 devices and test record/playback function.
figure4
figure5
figure6
AB
P1
PD
C
C
figure3
P1 1394
PD
figure2figure1
PART NUMBER: 939P989010 (ASSY-HDD-UNIT)
MODELS: WD-52825 / WD-62825

INSTALLATION INSTRUCTIONS: ASSY-PWB-FMT (P/N: 930B924001 / 930B924002 / 930B924003)
Page 1
Mitsubishi Digital ElectronicsAmerica, Inc
1001CherryDrive,Suite2•Braselton, GA 30517
1) Remove screws “A” (18 screws and 2 Hex). Refer to Figures 1~3 (On page 2)
2) Remove screw “B”. Refer to Figure 4
3) Remove Shielding “C”, “D”, and “E”. TAKE NOTE OF WIRE-DRESSING Refer to Figure 5
4) Remove screws “F”, and move Terminal PWB assembly to the side. Refer to Figure 6
5) Remove connectors FA, FB, TF, HD and FC from FMT PWB. Refer to Figure 7
6) Remove screws “G” from FMT PWB (7 screws). Refer to Figure 7
7) Remove 2 Hex screws and 1 screw “H” from FMT PWB
Refer to Figure 8 A A
A
A
A
A
A
F E
G
H
G
D
B
C
H FC
HD TF FB FA
MODELS:
WD-52525
WD-52725
WD-52825
WD-62525
WD-62725
WD-62825

INSTALLATION INSTRUCTIONS: ASSY-PWB-FMT (P/N: 930B924001 / 930B924002 / 930B924003)
Page 2
Mitsubishi Digital ElectronicsAmerica, Inc
1001Cherry Drive, Suite 2 •Braselton, GA 30517
FIGURE1
FIGURE2
FIGURE3
FIGURE4
FIGURE5
FIGURE6
FIGURE7
FIGURE8

INSTALLATION INSTRUCTIONS: ASSY-PWB-DM REPLACEMENT
Page 1
Mitsubishi Digital ElectronicsAmerica, Inc
1001 Cherry Drive,Suite 2 * Braselton, GA 30517
PART NUMBER: 934C116001 /934C116002 /934C116003(ASSY-PWB-DM)
MODELS: WD-52525 / WD-62525 /WD-52725 / WD-62725 /WD-52825 / WD-62825
1) REMOVE (8) SCREWS 2) REMOVE (3) SCREWS
3)REMOVE (6) SCREWSAND 2 HEX
NOTEWIREDRESSINGFOR RE-INSTALL 4) REMOVE (3) SCREWS
5)REMOVESHIELDS
6)REMOVEFA&FBCONNECTORS (Whenre-
install; install to DM PWB first then to FMT)

INSTALLATION INSTRUCTIONS: ASSY-PWB-DM REPLACEMENT
Page 2
Mitsubishi Digital ElectronicsAmerica, Inc
1001 Cherry Drive,Suite 2 * Braselton, GA 30517
7)REMOVE(2)FERRITE CORES 8) REMOVE (2) SCREWS
9)REMOVE (5)CONNECTORS(TG,TE,
HD,KP,J8F03) 10)CONNECTORREFERENCE
11) REMOVE (4) SCREWS 12)REMOVE(2)SCREWS
TG TE HD
J8F03 KP

INSTALLATION INSTRUCTIONS: ASSY-PWB-DM REPLACEMENT
Page 3
Mitsubishi Digital ElectronicsAmerica, Inc
1001 Cherry Drive,Suite 2 * Braselton, GA 30517
13) SEPARATE SIGNAL PWB 14)DISCONNECT(3)CONNECTORS(DA,DB,DC)
15)DISCONNECT(2)CONNECTORS
(PF, KT) 16) PULL DMASSY FROM CHASSIS - REMOVE (7) SCREWS
17)REMOVEE2PPWBFROMDEFEC-
TIVE PWB AND INSTALLTO NEW DM
PWB
18) REMOVE PWB FROM BRACKET
REMOVE (3) SCREWS
WIRE-HARNESSDRESSING
REFERENCE
PF
KT
DA
DB
DC
(RemoveCableCard
ifinstalled.)
19)Reverse items 1to 18 for
reassembly.

INSTALLATION INSTRUCTIONS: ASSY-PWB-SIGNAL REPLACEMENT
Page 1
Mitsubishi Digital ElectronicsAmerica, Inc
1001 Cherry Drive,Suite 2 * Braselton, GA 30517
PART NUMBER: 930B923001 /930B923002 /930B923003 (ASSY-PWB-SIGNAL)
MODELS: WD-52525 / WD-62525 /WD-52725 / WD-62725 /WD-52825 / WD-62825
1) REMOVE (8) SCREWS 2) REMOVE (3) SCREWS
3)REMOVE (6) SCREWSAND 2 HEX
NOTEWIREDRESSINGFOR RE-INSTALL 4) REMOVE (3) SCREWS
5)REMOVESHIELDS
FMT PWB
6)FROMFMT-PWBSIDE,REMOVE(1)SCREWHOLD-
INGSIGNALBRACKET.

INSTALLATION INSTRUCTIONS: ASSY-PWB-SIGNAL REPLACEMENT
Page 2
Mitsubishi Digital ElectronicsAmerica, Inc
1001 Cherry Drive,Suite 2 * Braselton, GA 30517
7)REMOVE (8)CONNECTORS(TG,TE,
HD, KP, J8F03, LE, LEF, J2) 8)CONNECTORREFERENCE
9) REMOVE (2) SCREWS
10)REMOVE (1) SCREW
TG TE HD
J8F03 KP
11) SEPARATE SIGNALFROM DM 12)DISCONNECT(3)CONNECTORS(DA,DB,DC)
LELF J2
KP
J8F03