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