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
• Light Engine : DLP™ (1080p)
• Light Source : VIP Lamp
• Antenna Input: RF 75unbalanced
• Tuning : NTSC/ATSC/QAM
: Analog Cable - 1~125
Digital Cable - 1~135
• Speakers : 10W x 2 (except V45++)
: 2W x 16 (V45++)
• See Page 5 for additional specifications.
• Design specifications are subject to change without notice.
• Analog Input
Level (RCA Type)
Y/Video: 1.0 Vp-p, Cr, Cb: 700mVp-p
75 unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43k unbalanced
• Analog Output : AUDIO / SUBWOOFER OUT JACK
Level (RCA Type)
-4.7dBm 4.7kunbalanced
• Digital : AC-3/PCM Digital Audio Output
Inputs/Outputs (RCA Type)
: HDMI™
:
: PC - use HMDI™
:
: Ethernet (V45CB, V45+, V45++)
: Bluetooth (V45++)
: Composite/Component
USB
Wired IR Input/Output (V45++)
MITSUBISHI ELECTRIC VISUAL SOLUTIONS AMERICA, INC.
Digital Light Processing®, Digital Micro Mirror Device and DLP® are Trademarks of Texas Instruments.
HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing, LLC..
This service manual provides service instructions for the V45C, V45, V45CA, V45+, V45CB and V45++ chassis
types. The specific models for each chassis type, dimensions and weight are listed below. Service personnel should
read this manual thoroughly before servicing these chassis.
This service manual includes:
1. Disassembly & replacement instructions for cabinet and chassis components.
2. Replacing the Lenticular Screen, Fresnel Lens and Mirror.
Many electrical and mechanical parts in television receivers have special safety related characteristics. These characteristics 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 on the schem atic diagrams and parts list
of this service manual. The replacement for any safety critical part should be identical in value and character-istics.
Version 3.0
The PWBs used in this chassis are constructed using Lead-Free Solder. When servicing use
only recommended Lead-Free Solder. Refer to the section “Using Lead Free Solder.”
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 volta ge equipment.
2. When service is required, observe the original lead dress. Where a short-circuit has occurred, replace those
components that indicate evidence of overheating.
SAFETY PRECAUTION
To protect your eyes, do not look directly into the lamp, or light coming directly from the lamp, lens or
mirror.
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 therm al
stabilization. The leakage current must not exceed 0.5 milliampere (mA).
2. Remove screws (A) from the bottom of the PWB-MAIN.
3. Lift the PWB-MAIN from the chassis.
A
A
A
A
After PWB-MAIN Replacement
See Data Transfer in Service Procedures section.
1. V45C, V45 & V45CA: Perform “Restore Engine Data From Backup.”
2. V45+, V45++ & V45CB: Perform “Restore Engine Data From Backup” and “Restore Geometry Data From
Backup.”
V45+, V45++, V45CB IMPORTANT REPLACEMENT NOTE: If the customer has subscribed to VUDU (Internet
program provider), the customer must be instructed to contact VUDU to re-activate their account after the replacement PWB has been installed. The original PWB cannot
bishi per policy.
be installed in another TV. It must be returned to Mitsu-
Note: To remove the PWB-BALLAST, it is not necessary to remove the Engine or Lamp Cartridge.
1. Release the Latch to lift the PWB-BALLAST up from the mounting bracket.
2. Slide the PWB-BALLAST out of the Engine Assembly.
3. Disconnect the electrical locking connectors indicated.
4. To reinstall, first connect the connectors. Then slide the PWB under the Retaining Hooks. Then press the rear
edge of the PWB down onto the guide pins to engage the latch.
RETAINING
HOOKS
CJ4 (HV to Lamp)
CJ3 (Lamp Control)
CJ1 (Lamp Power)
LATCH
Version 3.0
OPTICAL ENGINE ASSEMBLY - REMOVAL & DISASSEMBLY
OPTICAL ENGINE ASSEMBLY REMOVAL
1. Disconnect the PL connector from the side of the PWB-POWER.
2. Disconnect the FB connector from the side of the PWB-MAIN.
When replacing the Optical Engine, transfer all Duct and Duct Interior Components from the old Engine to the
new Engine.
The Exhaust Fan must be installed so the Label is facing inside the Duct.
The Sirocco Fan must be installed so the Label is facing up with the Flanges aligned onto the Guide Pins.
1. Remove the Lamp Cartridge, Top Cover, Exhaust Fan and Sirocco Fan.
2. Disconnect the HV Lamp Wiring from the Ballast and loosen it from the guides.
3. Remove screw (A) on the rear of the lower duct.
4. Carefully remove the Lower Duct from the Engine.
LOWER DUCT
Version 3.0
A
OPTICAL ENGINE REPLACEMENT
1. Install Lower Duct and components on the new Engine.
2. Connect the HV Lamp Wiring to the Ballast and dress the wiring through the guides as shown.
3. Remove the Protective Lens Cover from the face of the Lens and place it on the old Engine for return.
4. Install the Engine Assembly in the cabinet.
5. Perform the following procedures as described in the Data Transfer section of the Service Procedures:
“Restore Index Delay”
“Save Engine and Geometry Setting to Backup”
6. As necessary, perform the Horizontal and Vertical Centering Adjustment and Manual Geometry Alignment as
described in the Service Adjustments section of the Service Procedures.
CAUTION: Any dust or fingerprints in the optics can cause abnormalities in the picture.
This procedure should be performed in a dust free environment.
Wear lint free cotton or rubber gloves while performing this procedure.
1. Remove Optical Engine Assembly.
2. Remove screw (A) and remove the Lens Collar.
3. Remove screws (B).
4. Lift out the Projection Lens.
5. Install the replacement lens so the key is oriented towards the top as shown.
CAUTION: This procedure should be performed in a dust free environment.
Any dust entering into the optical compartment can cause abnormalities in the picture.
1. Remove the Optical Engine Assembly.
2. Remove the Lens Collar and cover the projection lens to protect it from scratches. See previous page.
3. Disconnect the 2 connectors, J6 & J7, from the front side of the Light Engine. Note the orientation of the
ribbon cable for re-assembly (Silver Contacts towards the Lens).
4. Access the optical compartment by removing screws (A) and the Engine Base from the bottom of the Optical Engine
Version 3.0
LENS COLLAR
A
J6 & J7
(Opposite Side of Formatter PWB)
ENGINE BASE
5. Remove the 3 screws (B) from the Color Wheel Assembly.
6. Use the metal Handle to lift the Color Wheel from the compartment.
7. For installation, reverse the procedure above.
CAUTION: Avoid touching or scratching the Color Wheel.
8. After re-assembly, perform the Index Delay Adjustment described in the
Service Adjustments section.
IMPORTANT: If part return is required, prevent damage by packing the
color wheel the same way the replacement part was sent to you.
1. V45C, V45, V45+ - Remove the Screw Caps to access screws (A).
2. V45++ - Remove the ORNAMENT LEFT & RIGHT first by pinching up and pulling away from the bottom.
Then remove the ORNAMENT CENTER using the same method.
3. Remove screws (A).
4. Remove screws (B) around the rear edge of the screen bezel.
5. During re-assembly replace screws in their original locations.
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. After removing the top, bottom and side HOLDER-SCREEN rails and their cushions from the Bezel, lift the
screens as a single unit from the frame.
2. Separate the Lenticular Screen and Fresnel Lens.
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.
Lenticular Screen and Fresnel Lens Replacement
1. Apply LENS-TAPE along the rear top edge of the Lenticular Screen.
2. Place the Fresnel Lens on top of the Lenticular Screen, and apply pressure along the top edge.
3. Place the screens in the screen frame and reinstall the cushions, top, bottom and side rails.
NOTE: The Lenticular Screen label must face the front and the Fresnel Lens label face the rear.
4. Reverse the Screen Removal Procedure and insert the screens in the Bezel.
1. Remove the HOLDER-SCREEN from the top, bottom and sides.
2. Separate the Lenticular Screen and Fresnel Lens.
HOLDER-SCREEN
Version 3.0
LENTICULAR
SCREEN
HOLDER-SCREEN
(TOP/BOTTOM)(SIDES)
FRESNEL
LENS
LENS
FRONT
Label Position
(Facing Outside)
Lenticular Screen and Fresnel Lens Replacement
1. Place the Fresnel Lens on top of the Lenticular Screen with the labels facing outside as shown.
2. Install the HOLDER-SCREEN, top, bottom and sides as shown above.
3. Reverse the disassembly procedure to reassemble and install the screen frame assembly.
NOTE: The Lenticular Screen must face the front and the Fresnel Lens must face the rear.
NOTE: The Remote Controls differ between Type 1 and the Type 2 models.
TYPE 1
V45C V45 V45CA
WD-73C11 WD-73640 WD-73CA1
REMOTE CONTROL USE FOR SERVICE
Many service functions and adjustments are accessed using the Remote Control. The Type 1 remote does not have
buttons such as PLAY, FWD and RVW that are associated with operating connected devices. Service Proc edures are
described assuming a Type 1 remote is being used. However, if a Type 2 remote is being used, buttons can optionally
be substituted as follows:
Many symptoms that are customer generated, intermittent or cannot be verified can be resolved by using the various
Reset and Initialization options. Before visiting the customer’s home ask the customer to 1st perform a System Reset. If
this does not resolve the issue, they can perform an A/V Reset. Then, if necessary, perform a user level Initialization.
The customer should be made aware when settings and/or options will be reset. For more information, see the chart
below.
Reset Name When to use How to use Resulting Action
Remote Control
Reset
TYPE 1 Only
Returns the remote control to normal
operation.
Press and hold the <POWER> button until it flashes twice
1)
then release the button.
Enter the code <0-0-0-0-0>. The <POWER> button will flash
2)
twice
The remote control is reset.
Version 3.0
Remote Control
TV Layer Reset
TYPE 2 Only
Remote Control
TV Volume/
Mute functions
A/V Memory
Reset, by individual input
A/V Reset, all
inputs
System Reset To reset the TV when it does not turn
Returns the remote control TV layer
to normal operation.
Returns the volume and mute functions of the remote control to TV volume and mute for TV, Cable/Sat,
VCR and DVD layers after the Audio
Lock for AV Receiver feature has
been used.
When the audio or video performance
or settings for a single input seem to
be incorrect.
When the audio or video performance
or settings for more than one input
seem to incorrect.
on or off, does not respond to the
remote control, front panel buttons or
has other unusual symptoms.
Select the remote control TV mode.
1)
Press and hold the <POWER> button until it flashes twice
2)
then release the button.
Enter the code <0-0-9-3-5>. The <POWER> button will flash
3)
twice
Select the remote control TV mode.
1)
Press and hold the <POWER> button until it flashes twice
2)
then release the button.
Enter the code <9-9-3>< VOL >. The <POWER> button
3)
will flash four times.
<MENU> “Audio/Video” “AV Reset” <ENTER> All Audio and Video settings
While viewing the TV, press the front panel buttons <INPUT> +
<VOL > at the same time and hold for 10 sec.
Press the <POWER> button on the front panel and hold it for 8
seconds.
The remote control TV layer
is reset.
The remote will now operate
the TV's volume and mute
when the slide switch is in
the TV, CABLE/SAT, VCR
or DVD positions.
for the individual input are
reset except for the Listen
To, Language, Balance and
Closed Caption settings.
All Audio and Video settings
are reset to the factory default settings. No other
menu options are changed.
TV Micro Re-boots. Note:
The changes made during
the current TV-On period
may be lost. All other previous user settings are not
lost.
Initialize User
Level
Initialize - Service Level
V-Chip Password Bypass
Unlock Front
Panel
To reset all customer settings except
V-Chip
To reset all customer settings <MENU><2-4-7-0> "INITIALIZE" <ENTER> All customer menu options
If V-Chip password is not known Press <LAST>+<9> at the same time. Password will be bypassed.
To unlock the front panel if it has
been locked in the V-Chip Menu.
Press <MENU><1-2-3><ENTER> All customer menu options
Press and hold the front panel <INPUT>
button for 10 seconds.
and A/V settings except VChip & locked ISF are reset
to factory default.
and A/V settings are reset
to factory default.
If in the V-Chip menu, enter
a new password.
Front Pan
erational. Other V-Chip
settings not changed. Note:
Cannot be performed while
in the Low Power mode and
the set is Off.
The front panel Status LED provides an indication of the set’s operation and the possible cause of a malfunction.
NORMAL INDICATIONS
STATUS LED Indication Condition
Off Off (Standby)
Green Power On
Slow Blinking Green Power Off with Timer Set. Power On normally
Fast Blink Green 80 seconds after Power Off Power Off Lamp cooling. Wait for blinking to
stop to Power On.
Version 3.0
Fast Blinking Green 1 to 3 minutes after Power
Restored from AC interrupt, Power On, System
Reset or Software update.
ABNORMAL INDICATIONS
STATUS LED Indication Condition
Steady Red Lamp Failure (See Error Code 66)
Steady Yellow DMD Temperature Excessive
Blinking Yellow Lamp Cover Open (See Error Code 32)
Blinking Red then Blinking Yellow Circuit Failure (See Self Diagnostics)
Boot-up. Wait for blinking to stop to Power On.
SELF DIAGNOSTICS
A blinking red and yellow Status LED will indicate an Error Code that can help determine the cause of a circuit
failure.
The number of Red blinks indicates the value of the MSD (tens digit) of the Error Code.
The number of Yellow blinks indicates the value of the LSD (ones digit) of the Error Code.
Example: If the Error Code is “37”, the LED will continuously blink Red three times, followed by blinking Yellow
seven times.
See the following page for a list of Error Codes.
To perform a System Reset, press and hold the Power button for 10 seconds. Or, unplug the set for 10 seconds
Error Codes, descriptions and the most likely cause of failure are listed below:
ERROR CODES
Code Description Most Likely Cause
Loss of 12V from PWB-POWER to Engine /
17 I2C Communication loss between TV Micro and Engine
Engine will not accept data
18
(ASIC-READY signal from Engine is not detected)
Lamp Cover is open.
32*
Lamp turns Off while the TV is playing.
34**
Lamp Failure
Lamp Enable signal from engine is lost.
36 Exhaust Fan rotation not detected Check Exhaust Fan / Check J4 circuitry
37 Engine (DMD) fan rotation not detected Check DMD Fan / Check J5 circuitry
42 Sirocco fan (Lamp fan) rotation not detected Check Sirocco Fan / Check J8 circuitry
44 LVDS cable between PWB-MAIN and Engine not detected Check LVDS Cable & circuitry
48 PON-SHORT 3.3V or 5V switched supply short PWB-MAIN Failure
57 Ballast communication problem (ballast to chassis)
16 LAMP-EN Detection
Lamp did not turn on at P-ON sequence
66**
(No Lamp inserted)
(Disconnected cable between ballast and lamp)
(Lamp-Enable goes to PWB-MAIN but not to Ballast)
Check PE & PE2 circuitry
Engine Failure, PWB-MAIN Failure
LDVS circuitry
Engine Failure
Check CD connector
Lamp Cartridge Failure
Loss of 340V from PWB-POWER to Ballast /
Check PL & CJ1 circuitry
Loss of communications between PWB-MAIN
and Ballast / Check FB & CJ3 circuitry
Ballast Failure
Check CJ4 circuitry
No Lamp Inserted.
HV connection or lead wire to lamp.
Lamp Cartridge Failure
Version 3.0
* Error Code 32 is indicated by a flashing Yellow Status LED. The code is stored in the Error code Log. See below.
** Error Codes 34 & 66 are indicated by a steady Red Status LED. The code is stored in the Error code Log. See
below.
ERROR CODE LOG
The Error Code Log can be used to retrieve the code for an error that occurred in the past.
To access the Error Code Log: Press <MENU> <3-5-6-4>
Error Code Log Definitions
PAGE - Current page number
CURRENT TIME - total hours of operational
use.
USAGE TIME - usage hours when the error
occurred.
CODE - the specific Error Code that oc-
curred.
STATUS: HAPPENED - Indicates an error
was recorded.
Press <CANCEL> to erase the Log.
NOTE: The Error Code Log is intended as a ref-
erence tool and is not meant to be used as a final
Error Code Log
<MENU><3-5-6-4>
***** PAGE (001/001) *****
CURRENT TIME: 01455 HOURS
USAGE TIME CODE STATUS
00413 HRS 44 HAPPENED
00716 HRS 57 HAPPENED Press Up to Previous Page Press Down to Next Page
Press Right to Top Page Press Left to Last Page Press CANCEL to Erase
SPEAKER TRANSDUCER AND SPEAKER FREQUENCY TEST (V45++ Only)
These procedures will test the TV’s speakers using an internal tone generator.
1. Press the <MENU> button on the remote control. The Customer Menu will appear.
2. Press the <2-4-5-7> buttons. The Service Menu will appear.
3. Press the <0> button. The Data Transfer & Geometry Menu will appear. See below.
Note: Before activating the SPEAKER TEST, be sure that the SOUND is not in STEREO mode.
Use SURROUND, MUSIC or NIGHT m ode.
4. Use the <> buttons to select “SPEAKER TEST” and press <ENTER>. The Speaker Test Transducer
Test Menu will be displayed. A tone will automatically cycle from one speaker to the next as indicated on
screen. Follow the instructions to manually cycle the tone.
5. From the Data Transfer & Geometry Menu, use the <> buttons to “SPEAKER FREQUENCY TEST.”
The Speaker Frequency Test Menu will be displayed. A tone will automatically cycle from one frequency
to the next as indicated on screen. Follow the instructions to manually cycle the frequency tone.
Data Transfer & Geometry Menu <MENU><2-4-5-7><0>
RESTORE ENGINE DATA FROM BACKUP
RESTORE GEOMETRY DATA FROM BACKUP
MANUAL GEOMETRY ALIGNMENT
RESTORE INDEX DELAY
SAVE ENGINE AND GEOMETRY SETTING TO BACKUP
SPEAKER TEST
SPEAKER FREQUENCY TEST
BACKUP AND RESTORE ISF SETTINGS
RED ONLY AND GREEN ONLY
1. When in the Service Menu use the <VIDEO> button to toggle to adjustment desired indicated by the
number and abbreviation displayed on screen.
2. For Geometry, from the Service Menu press <0> and select “Manual Geometry Alignment” <ENTER>.
4. Adjusting Data
After selecting an adjustment item, use the Navigation arrows or other buttons indicated in the adjustment
procedure to perform the adjustment.
5. Saving Data
Press <ENTER> to save the adjustment data. The menu display will turn red for approximately one second.
Note: If the circuit adjustment mode is terminated without pressing <ENTER>, changes in adjustment data
2. Select the Geomet ry Test Pattern shown <2> <CH-DOWN>or <
3. If necessa ry, use the <VIDEO> button to select the adjustment, “1.HVPOS”.
4. After selecting the HVPOS adjustm ent item, use the Navigation <> buttons to center the display.
5. Press <ENTER> to save the adjustment data. The on-screen display will flash red whil e the data is saved.
Vertical & Horizontal Position Adjustment
<MENU><2-4-5-7> <2> <CH-DOWN> or<
Adjustment
SERVICE
TVM
1.HVPOS
-3
4
> x2.
> x2
Data (HPOS)
Data (VPOS)
Version 3.0
Index Delay Adjustment (Perform after color wheel replacement)
1. Enter the Service Menu <MENU><2-4-5-7>.
2. Select the Ramp Pattern shown below <2> <CH-DOWN> or <
3. Use the <VIDEO> button to select the adjustment, “60.IDL”.
4. After selecting the IDL adjustment item, use the Navigation <> buttons to adjust the ramp pattern color
bars for the smoothest transition from dark to bright.
5. Press <ENTER> to save the adjustment data. The on-screen display will turn red while the data is saved.
Index Delay Adjustment
<MENU><2-4-5-7> <2> <CH-DOWN> or<
2. Manual Geometry Alignment
Note: Upon entering the Manual Geometry Alignment Mode the first time, the geometry may appear distorted
because all factory geometry correction is automatically disabled. Press <EXIT> to quit and re-enable
the factory geometry correction. Pressing <1> <ENTER> and <EXIT> will cause the TV to operate with
out factory geometry correction (distortion will be present).
Note: At any time the original factory geometry data can be restored from backup:
From the Data Transfer & Geometry Menu <MENU><2-4-5-7><0>, select “RESTORE GEOMETRY DATA FROM BACKUP” <ENTER>.
+
urso
+
Adjustment Points
(16 Total)
Version 3.0
Align Cursor + Flush With Bezel Edge
Phase 1 - 16 Point Geometry Alignment
1. 16 Adjustment Points are indicated by white dots around the edge of the raster. The adjustment position is
indicated by a + cursor.
2. Starting from the upper left corner, use the <> buttons to align the + at each point in a straight line,
flush with the bezel as a reference. See example above.
Note: Only the cursor will move. The Geometry Pattern will not change.
3. After adjusting each point, use the <CH-UP> or <
and repeat until all 16 points have been adjusted.
4. After all 16 points are adjusted and the cursor is returned to the original starting point, press <ENTER> then
<EXIT>. Correction will be automatically calculated and saved and the Manual Geometry Alignment will be
terminated.
5. Re-activate the Manual Geometry Alignment. The geometry pattern will appear with the corrections applied. If
Geometry is acceptable, press <EXIT> to quit. To touchup the raster geometry, proceed to Phase 2.
Phase 2 - Geometry Touch-up Alignment
1. If additional correction is necessary after performing the Manual Geometry Alignment, re-enter the Manual
Geometry Alignment mode.
2. Use the <CH-UP/CH-DOWN> or <
3.Use the <> buttons to indicate the direction and amo unt of correction necessary at the particular
point. Note: Only the cursor will move. The Geometry Pattern will not change.
4. Press the <INFO> button to apply the correction. The Geometry Pattern will now show the correction.
5. Repeat steps 2, 3 and 4 as needed.
6. Press <ENTER> then <EXIT> to save your changes. The Manual Geometry Alignment will be terminated.
7. To proceed to Phase 3, re-activate the Manual Geometry Alignment.
/> buttons to shift the cursor to the point needing correction.
> button to shift the cursor to the next point clockwise
1. With the Manual Geometry Alignment activated, press <VIDEO> to enter the 4:3 Alignment Mode. The pattern below will be displayed.
Note: Pressing <VIDEO> will toggle between the 4:3,16:9 (top, top-ce nter, center & bottom) and 16 Point Ge-
ometry Alignment modes.
2. In the 4:3 Alignment Mode, pressing <CH-UP/CH-DOWN> or <
/> will cause the geometry pattern to be
displayed with 11 preset amounts of correction. Toggle through them until you find the one with the straightest Blue 4:3 Lines. It may help to count the patterns as you cycle through them. When you find the pattern
with the straightest Blue 4:3 Lines, press <VIDEO>. The Top 16:9 Alignment Mode will then be activated as
indicated by the Top Red 16:9 Line displayed in the pattern.
4:3 MODE
Version 3.0
Select Straightest Blue Lines
3. In the 16:9 Alignment Mode, pressing <CH-UP/CH-DOWN> or </> will cause the geometry pattern to be
displayed with 15 different preset amounts of correction to the Red Line. Toggle through them until you find
the one with the straightest Red Line. Again, count the patterns as you cycle through them. When you find
the pattern with the straightest line, press <VIDEO>. The Top-Center Red Line will be displayed in the pattern.
4. Repeat the process of pressing <CH-UP/CH-DOWN> or </> to display the 15 different preset amounts
of correction to the Top-Center Red Line. When you find the pattern with the straightest line, press
<VIDEO> to proceed to the Center Red Line. Repeat the process for the Center Line, followed by the Bottom Line. Press <ENTER> then <EXIT> to exit and save the 4:3 and 16:9 data.
5. Select the Geometry Test Pattern (See HVPOS). If Geometry is acceptable, press <EXIT> to quit.
Service Data is duplicated and stored in separate EEPROMs in two locations.
PWB-MAIN - Working Service Data for TV operation
OPTICAL ENGINE - Backup Service Data
The Optical Engine also includes data for the Index Delay setting for color wheel timing determined at the factory.
The PWB-MAIN also includes User and/or ISF settings. The User/ISF data is not backed up on the Engine. However if
used, it can be backed up onto a USB flash drive.
Data Transfer Procedures should be followed…
After PWB-MAIN Replacement:
1. Restore Engine Data From Backup.
2. Restore Geometry Data From Backup.
3. Restore ISF Settings From Flash Drive. (Only if backup USB flash drive is available).
After OPTICAL ENGINE Replacement:
1. Restore Index Delay.
Version 3.0
Data Transfer Procedure:
1. Enter the Service Mode <MENU><2-4-5-7> Select the Data Transfer & Geometry Menu <0>
Note: Besides MANUAL GEOMETRY ALIGNMENT, six data transfer choices are listed on screen.
RESTORE ENGINE DATA FROM BACKUP - copies backup factory adjustments HVPOS, White Balance
RESTORE GEOMETRY DATA FROM BACKUP - copies backup factory Geometry Alignment data from
RESTORE INDEX DELAY - copies factory Index Delay Adjustment data from the Optical Engine to the
SAVE ENGINE AND GEOMETRY SETTING TO BACKUP - copies all working data from the PWB-MAIN
BACKUP AND RESTORE ISF SETTINGS - allows the ISF (ADV) video settings to be backed up and
RED ONLY AND GREEN ONLY - displays the video in red or green only during ISF Calibration.
2. Use the <> buttons to select the item and press <ENTER>.
3. Follow on-screen instructions if given.
4. Press <EXIT> to quit.
Data Transfer & Geometry Menu <MENU><2-4-5-7><0>
RESTORE ENGINE DATA FROM BACKUPRESTORE GEOMETRY DATA FROM BACKUP
MANUAL GEOMETRY ALIGNMENT
RESTORE INDEX DELAY SAVE ENGINE AND GEOMETRY SETTING TO BACKUP BACKUP AND RESTORE ISF SETTINGS RED ONLY AND GREEN ONLY
Warning: Only use “SAVE ENGINE AND GEOMETRY SETTING TO BACKUP”
and Index Delay from the Optical Engine to the PWB-MAIN.
the Optical Engine to the PWB-MAIN.
PWB-MAIN.
into backup memory on the Optical Engine.
restored using an external USB flash drive.
The symbol shown above indicates Lead (Pb) Free Solder was used during the construction of PWBs. Only Lead Free
Solder should be used when servicing these PWBs.
Solder must be compatible with that used by the manufacturer. Leaded solder can not be used on PWBs manufactured
with Pb-free solder. The Mitsubishi standard for service requires the use of Tin-Silver-Copper (Sn-96.5, Ag-3.0, Cu-0.5).
It can be obtained through the Parts Department.
Order part number: PB FREE SOLDER
Lead Free Solder has a higher melting point, and does not “wet” as well as leaded solder. This means it does not adhere as readily to the solder iron tip and the surface to be soldered. To counteract this, the flux used is more corrosive.
The following cautions must be taken when using Pb Free Solder.
Higher temperatures can cause the PWB to warp, detaching surface mount components.
Higher temperatures may cause thermal damage to components.
Higher temperatures can cause plastics such as connectors, relays, LEDs, electrolytic capacitors to melt or warp.
Higher temperatures can cause surface oxidation resulting in poor solder spread-ability and wet-ability.
The flux is more corrosive.
The time required for a good solder connection may take longer.
Poor wet-ability can cause solder balls.
Higher temperatures can cause flux spattering.
Soldering iron tip life is shortened.
Dull finish solder joints (not shiny) can appear to be a “cold” solder joint.
In general a tip temperature of 700° F will usually provide good results.
Displays used to indicate Pb-free
PWBs will be marked, indicating the level of Pb-free construction. Table 1 defines the levels by phase and shows the
different symbols that will be displayed on the PWB. Additionally, a PWB constructed using Pb-free solder may be simply
marked LFS.
When possible, the indication will be placed close to the part number that is screened onto the PCB (not the part label).
Version 3.0
Pb-Free
PhaseDefinitionDisplay
Phase-1PCB's constructed using
Pb-free solder.
PbSolder
Phase-2Solder, PCB surface
Phase-3Solder, PCB surface
finishing and component
lead plating is Pb-free.
Components may have
internal Pb.
finishing and components
are Pb-free. (100% Pbfree)
Some resistors, shorting jumpers (0 Ohm resistors), ceramic capacitors, transistors and diodes are chip parts. The following precautions should be taken when replacing these part s.
Cautions:
1. Use a fine tipped, well insulated soldering iron and tweezers.
2. Melt the solder and remove the chip parts carefully so as not to tear the copper foil from the printed circuit
board.
3. Discard removed chips; do not reuse them.
4. Do not apply heat for more than 3 (three) seconds to new chip parts.
5. Avoid using a rubbing stroke when soldering
6. Take care not to scratch, or damage the chip parts when soldering.
7. Supplementary cementing is not required.
Chip Parts Removal (Resistors, Capacitors, etc.)
1. Grasp the part with tweezers.
2. Melt the solder at both sides alternately, and remove one side of the part with a twisting motion.
3. Melt the solder at the other side and remove the part.
Chip Parts Removal (Transistors)
1. Melt the solder of one lead and lift the side of that lead upward.
2. Simultaneously melt the solder of the other two leads and lift the part from the PCB.
Replacement
1. Pre-solder the contact points on the circuit pattern.
2. Press the part downward with tweezers and apply the soldering iron as shown.
Safety Critical Parts Designation
Safety Critical Components are indicated in the Parts List by Bold Type and a
They are indicated in the schem atic diagrams by a red hatch and a
The replacement for any safety critical part should be identical in value and characteristics.
Fuse Replacement Warning
Caution: For continued protection against risk of fire, replace only with the same type fuse. See parts list.
761A461010 BEZEL FRONT ade
761A461020 BEZEL FRONT b
761A462010 COVER-FRONT i
761A465010 COVER-FRONT fh
761A466020 BASE-COMMON abde
761A466030 BASE-COMMON c
761A467010 BASE-COMMON fh
761A467020 BASE-COMMON g
761A467030 BASE-COMMON i
761A468010 COVER BACK-RIGHT fghi
761A468020 COVER BACK-LEFT fghi
761B568010 ORNAMENT-C cgi
761B571010 ORNAMENT-L c
761B572010 ORNAMENT-L g
761B572030 ORNAMENT-R g
761B589010 ORNAMENT-L i
761B589020 ORNAMENT-R i
761B596010 COVER-LAMP
775B174080 NAME-PLATE a
775B175010 NAME-PLATE b
775B175020 NAME-PLATE f
775B175040 NAME-PLATE c
775B175050 NAME-PLATE g
775B175060 NAME-PLATE i
775B175080 NAME-PLATE d
Place the longer side of HOLDER-MIRROR-EDGE (REF# 2 &3) towards front (SCREEN SIDE) and
shorter side towards the rear. (Date Code is printed on the rear).
Place the longer side of HOLDER-MIRROR-EDGE (REF# 2,3 & 4) towards front (SCREEN SIDE)
and the shorter side towards the rear. (Date Code is printed on the rear).