Sanyo PLC-EF10EA Schematic

Multimedia Projector

SERVICE MANUAL

PRODUCT CODE

(P6VAA) PLC-EF10EA: 1 122 058 30 (P6VAM) PLC-EF10EAL: 1 122 058 40 (P6VCA) PLC-EF10BA: 1 122 058 32

Original Ver sion

REFERENCE NO.SM5110008

FILE NO.

Model No. PLC-EF10EA

PLC-EF10EAL

(Europe, Asia, Africa, M.E.)

PLC-EF10BA

(U.K.)

PLC-EF10EAL: Projection lens optional model.

Give complete “Service Ref. No.” for parts order or servicing, it is shown on the rating sheet on the projector.

Service Ref. No.: PLC-EF10EA-00

PLC-EF10EAL-00 PLC-EF10BA-00

Service Instructions & Parts List

Schematic Diagrams

Printed Wiring Board Diagrams

This Service Manual is provided with the above sections. Click the sections you wish.

Multimedia Projector

SERVICE MANUAL

PRODUCT CODE

(P6VAA) PLC-EF10EA: 1 122 058 30 (P6VAM) PLC-EF10EAL: 1 122 058 40 (P6VCA) PLC-EF10BA: 1 122 058 32

Original Ver sion

REFERENCE NO.SM5110008

FILE NO.

Model No. PLC-EF10EA

PLC-EF10EAL

(Europe, Asia, Africa, M.E.)

PLC-EF10BA

(U.K.)

PLC-EF10EAL: Projection lens optional model.

Give complete “Service Ref. No.” for parts order or servicing, it is shown on the rating sheet on the projector.

Service Ref. No.: PLC-EF10EA-00

PLC-EF10EAL-00 PLC-EF10BA-00

■ Contents

■ Safety instructions ________________________________________________3

■ Specifications __________________________________________________ 4

■ Adjustments after parts replacement ________________________________ 5

■ Circuit protections ______________________________________________ 6-7

Fuse ______________________________________________________ 6 Thermal switch ______________________________________________ 6 Warning temperature and power failure protection____________________ 7

■ Mechanical disassemblies ______________________________________ 8-15

■ Optical unit disassemblies______________________________________ 16-19

■ Lamp replacement ______________________________________________ 20

■ LCD panel replacement __________________________________________ 21

■ Electric adjustments __________________________________________ 22-28

● Service adjustment menu operation____________________________ 22

● Service adjustment data table______________________________ 23-28

● Circuit adjustments ______________________________________ 29-34

■ Optical adjustments __________________________________________ 35-40

● Focus adjustment ______________________________________ 35-36

● Convergence adjustment ____________________________________ 37

● Contrast adjustment ________________________________________ 38

● Integrator lens adjustment __________________________________ 39

● Relay lens adjustment ______________________________________ 40

■ Troubleshooting ______________________________________________ 41-45

● No Power ______________________________________________ 41-43

● No Picture________________________________________________ 44

● No Sound ________________________________________________ 45

■ CPU (IC801) port functions ____________________________________ 46-50

■ Waveforms__________________________________________________ 51-52

■ Cleaning ______________________________________________________ 53

■ IC block diagrams ____________________________________________ 54-65

■ Pins description of ICs, transistors, diodes ____________________________ 66

■ Parts description in schematic diagram ______________________________ 67

■ Service par ts lists __________________________________________ 68-103

● Electrical par ts list ______________________________________ 68-108

● Mechanical parts list __________________________________ 101-108

■ Circuit block diagram ____________________________________________ A1

■ Power supply lines ______________________________________________ A2

■ Schematic diagrams ________________________________________ A3-A10

■ Printed wiring board diagrams ________________________________ A11-A15

WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer.Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is identified with the line ( ) in the schematic diagram. For continued product safety and protection of personnel injury, servicing should be made with qualified personnel.

The following precautions must be observed.

■ Safety Instructions

SAFETY PRECAUTIONS

1: An isolation transformer should be connected in the

power line between the projector and the AC line before any service is performed on the projector.

2: Comply with all caution and safety-related notes pro-

vided on the cabinet back, cabinet bottom, inside the cabinet or on the chassis.

3: When replacing a chassis in the cabinet, always be

certain that all the protective devices are installed properly, such as, control knobs, adjustment covers or shields, barriers, etc.

DO NOT OPERATE THIS PROJECTOR WITHOUT THE PROTECTIVE SHIELD IN POSITION AND PROPERLY SECURED.

4: Before replacing the cabinet cover, thoroughly

inspect the inside of the cabinet to see that no stray parts or tools have been left inside.

Before returning any projector to the customer, the service personnel must be sure it is completely safe to operate without danger of electric shock.

SERVICE PERSONNEL WARNING

Eye damage may result from directly viewing the light produced by the Lamp used in this equipment. Always turn off Lamp before opening cover.The Ultraviolet radiation eye protection required during this servicing. Never turn the power on without the lamp to avoid electric-shock or damage of the devices since the stabilizer generates high voltages(15kV - 25kV) at its starts. Since the lamp is very high temperature during units operation replacement of the lamp should be done at least 45 minutes after the power has been turned off, to allow the lamp cool-off.

PRODUCT SAFETY NOTICE

Product safety should be considered when a component replacement is made in any area of the projector. Components indicated by mark in the parts list and the schematic diagram designate components in which safety can be of special significance.It is , theref ore, particularly recommended that the replacement of there parts must be made by exactly the same parts.

DO NOT ATTEMPT T O SERVICING THE

REMOTE CONTROL UNIT.

Laser Beam may be leaked out when in disassemble the Unit. As the Laser Beam used in this Remote control unit is harmful to the eyes.

LASER RADIATION DO NOT STARE INTO BEAM

MAX. OUTPUT: 1mW WAVE LENGTH: 660±20nm CLASS II LASER PRODUCT

This product is complied with 21 CFR

part 1040.10

CAUTION

LASER RADIATION DO NOT STARE INTO BEAM CLASS 2 LASER PRODUCT LASER-STRAHLING NICHT IN DEN STRAHL BLICKEN LASER KLASSE 2

IEC60825-1, Am. 1 1997 MAX OUTPUT ( ) : 1 mW WAVE LENGTH ( ) : 660±20nm

Projector Type Multi-media Projector Dimensions (W x H x D) 390mm x 245mm x 585mm Net Weight 17.8kg LCD Panel System 1.8” TFT Active Matrix type x 3 panels Number of Pixels 3,932,160 {1,310,720 (1280 x 1024) x 3} Color System 6 color system (PAL, SECAM, NTSC, NTSC4.43, PAL-M and PAL-N) Scanning Frequency H-sync. 15 ~ 100kHz, V-sync. 50 ~ 120Hz Projection Image Size (diagonal) Adjustable from 40” to 600” Horizontal Resolution 800 TV lines Projection Lens F2.0 ~ 2.3 lens with f75.7mm ~ 97.5mm Motor zoom and focus Motor Lens Shift ± 760mm on 100” screen Throw Distance 1.5m ~ 24.6m Projection Lamp 440watt type AV Input Jacks BNC Type {Video/Y, C/Cb (B-Y), Cr (R-Y)} x 2 sets,

Phono Type (Audio R and L) x 2 sets and DIN 4 pin (S-Video) x 2 sets

Video Monitor Output Jack BNC Type {Video/Y, C/Cb (B-Y), Cr (R-Y)} x 1 set,

and DIN 4 pin (S-Video) x 1 set Audio Monitor Output Jack Phono Type (R and L) x 1 set Computer Input 1 Jack MDR20-pin Terminal (Digital), HDB15-pin Terminal (Analog), Multi-pole 12

pin (Control port) and USB por t Computer Input 2 Jack BNC Type (R, G, B, H and V), Multi-pole 12-pin (Control port) and USB port Computer Audio Input Jack Phono Type (R and L) x 2 set Computer Output Jack HDB15-pin Terminal Computer Audio Output Jack RCA Type (R and L) x 1 set Other Jacks Wired Remote Control Jack and Serial port (DB 9) Built-in Speaker INT. SP. Stereo (R and L), 3watt RMS (T.H.D. 10%) Image Elevation Adjustment Up to 4˚ Voltage 200 ~ 240V AC, 50/60Hz Power Consumption 3.6A (Max. Ampere) Operating Temperature 5˚C ~ 35˚C Storage Temperature -10˚C ~ 60˚C Remote Control Transmitters Wireless Remote Control with Laser Beam (Class II Laser)

Max. Output 1mW/Wave length 660 ±20nm, batteries (2) AA,UM3 or R06 type.

Wireless/Wired Remote Control, batteries (2) AA, UM3 or R06 type.

■ Specifications

■ Adjustments after Parts Replacement

Focus Adjustment

R-Focus adjustment ● G-Focus adjustment ● B-Focus adjustment ●

Convergence Adjustment

R-Convergence adjustment ●●

B-Convergence adjustment ●● Integrator Lens Adjustment ● Relay Lens Adjustment ● Contrast Adjustment

R-Contrast adjustment ●

G-Contrast adjustment ●

B-Contrast adjustment ● Output Voltage Adjustment ❍ +6V Adjustment ❍ +15V Adjustment ❍ +12V Adjustment ❍ DVCO Adjustment ● DC Adjustment

R-DC adjustment ●

G-DC adjustment ●

B-DC adjustment ● PSIG Adjustment ● Pedestal Adjustment-[CG] ●

R-Pedestal adjustment ●

G-Pedestal adjustment ●

B-Pedestal adjustment ● Gain Adjustment-[CG]

R-Gain adjustment ●

G-Gain adjustment ●

B-Gain adjustment ● Pedestal Adjustment-[AV]

R-Pedestal adjustment ●

G-Pedestal adjustment ●

B-Pedestal adjustment ● Gain Adjustment-[AV]

R-Gain adjustment ●

G-Gain adjustment ●

B-Gain adjustment ● Video Adjustment-[CG]

R-Video adjustment ●

G-Video adjustment ●

B-Video adjustment ● Video Adjustment-[AV]

R-Video adjustment ●

G-Video adjustment ●

B-Video adjustment ● Common Center Adjustment

R-Common center adjustment ● ●

G-Common center adjustment ● ●

B-Common center adjustment ● ● Offset Adjustment-[AV]

R-Offset adjustment ●

G-Offset adjustment ●

B-Offset adjustment ● Offset Adjustment-[CG]

R-Offset adjustment ●

G-Offset adjustment ●

B-Offset adjustment ● White Balance Adjustment-[CG] ●●● ● White Balance Adjustment-[AV] ●●● ● White Uniformity Adjustment ❍❍❍ ❍

Disassembly / Replaced Part

LCD Panel

RGB

Integrator

lens

Relay

Lens

Polarized glass

RGB

Main

Board

Optical AdjustmentsElectrical Adjustments

● : Adjustment necessar y ❍ : Check necessary

Power Board

Sub Power Board

-6-

■ Circuit Protections

This projector is equipped with the following circuit protections to operate in safety. If the abnor mality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits.

Fuse

The fuse is located inside the projector.When the Mains switch on the rear panel is turned on and the lamp indicator does not illuminate, fuse may be open.Remove the AV board ass’y by following below and check the fuse.

It should be used the specified fuse as follows;

How to replace the fuse

1. Remove 4 screws and pull out the AV Jack board ass’y.

2. Inser t slot screwdriver into a globe of the fuse holder, then push and turn the screwdriver in the arrow direction. To install the fuse, take reversed step in the above.

Fuse Part No.: 423 025 1201 TYPE T8.0AH 250V FUSE LITTLE FUSE INC. TYPE 215008

-7-

Circuit Protections

Warning temperature and power failure protection

The TEMP WARNING indicator flashes red and the projector will automatically turn off when the internal temperature of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power supply lines are failed.

Check the following possible causes and wait until stopping the TEMP WARNING indicator flashing.

Possible causes

- Air filter is clogged with dust particles. Remove dust from the air filter by following instructions in the “Air filter care and cleaning” below.

- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots are

not obstructed.

- Check if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C)

If the TEMP WARNING indicator still continues to flash, there may be defects on cooling fans or power supply circuits. Please check fan operation and power supply lines referring to the “Power Supply Lines Chart”.

Air Filter care and cleaning

The removable air filter prevents dust from accumulation on the surface of the projection lens and projection mirror. Should be the air filter become clogged with dust particles, it will reduce the cooling fan’s effectiveness and may result in internal heat build up and reduce the life of the projector.

To clean up the air filter, follow the cleaning procedure below:

1. Tur n the MAINS ON/OFF switch to OFF, and disconnect the AC power

code from the AC outlet.

2. Remove the air filter cover.

Press the cover latch sideway and lift the cover.

3. Remove the air filter and sponge from the filter cover.

4. Clean the air filter with a vacuum cleaner.

5. Replace the air filter and sponge. Make sure that air filter cover is fully

inserted.

CAUTION:

Do not clean with water.Doing so may damage the air filter. Do not operate the projector with air filter removed.

RECOMMENDATION

We recommend to avoid dusty, smoky place for operating the projector. Using in dusty place may cause the picture of poor quality. When using under the dusty or smoky conditions, dust may accumulate on the LCD panel and lens inside it, and may resultantly be projected on the screen together with the picture. When the above symptoms are noticed, please clean up the LCD panel and lens following to the “Cleaning Method”.

Air filter cover

Sponge

Air filter

-8-

The cover top is fixed by the 2 locked levers(A). When removing the top cover, turn the lock lever to the released position as shown in Fig.1-3. The pen-type light and thin flat tool (like cutter knife) will be required to release the lock.

1) Confirm the position of the lock lever with the pen-light.Release the lock lever by sliding it laterally by using at the edge of the tool as shown in Fig.1-1.

2) Release the other lock lever in the same way.

3) Lift the cover top to the upward by the tool as shown in Fig.1-2.

4) After lifting it, hold the cover top and pull it to the backward.

Note:

Be careful not to damage the cabinet finish when removing it.

1. COVER TOP REMOVAL

■ Mechanical Disassemblies

Mechanical disassemble should be made following procedures in numerical order. Following steps show the basic procedures, therefore unnecessary step may be ignored.

Caution:

The parts and screws should be placed exactly the same position as the original otherwise it may cause loss of performance and product safety.

Fig.1-2

Fig.1-3

Locked

Released

Fig.1-1

Cover Top

Lock Lever

-9-

Mechanical Disassemblies

1) Remove 4 screws (A) on the cabinet front.

2) Push down the part B of the cabinet front by finger (slight bent cabinet downward) and remove the engagement of it. See Fig.2-1.The front and top cabinets are engaged with 4 hooks at the top and 3 hooks at the lower part. See Fig.2-4 on next page for location of the hooks. Release those hooks when separate the both cabinets.

2. CABINET FRONT REMOVAL

3) Pull the lower side of the cabinet front forward and remove it as shown in Fig.2-2. Lower part is engaged with the 3 hooks. Push the cabinet front downward slightly and pull the lower forward.

Fig.2-1

Fig.2-2

Front Cabinet

Cabinet Top

Front Cabinet

Cabinet Top

-10-

Mechanical Disassemblies

1) Front and top cabinets are engaged with 4 hooks at the upper side and 3 hooks at lower side.See Fig.2-4. First engage the upper side at each end of the cabinet front with the cabinet top. Then, push the lower of the cabinet in the direction of the arrow and engage the lower part of cabinet front with the lower part of cabinet top. See Fig.2-4. It is not enough to engage the upper side of the cabinet front with the upper side of the top cabinet. Follow the next steps for engaging them completely.

2) See Fig.2-3. Slightly push the cabinet front backward and pushing arrow points of the cabinet top until each hooks are fitted. Push the arrow point in the order if the number. Space should not be obtained between the cabinet front and the cabinet top. Engage both cabinets until no space observed between both cabinets.

* CABINET FRONT MOUNTING

Fig.2-3

Fig.2-4

-11-

Mechanical Disassemblies

1) Loose 2 screws (A) on side of the cabinet and remove the lamp cover.

3. LAMP COVER and CABINET TOP REMOVAL

2) Remove 7 screws (B) and pull the cabinet top upward.

1) Disconnect the connectors and FPC on the main board.

2) Remove 8 screws and pull the main board upward.

4. MAIN BOARD REMOVAL

Lamp Cover

Cabinet Top

Fig.4

Fig.3-2

Fig.3-1

-12-

Mechanical Disassemblies

1) Pull out the AV Jack board ass’y upward and remove a screw (A).

2) Remove 4 screws (B) and then take out AV Jack board ass’y.

3) Remove 6 screws (C) and 4 screws (D), then remove the AV Jack board.

6. AV JACK BOARD REMOVAL

1) Remove 2 screws (A) and disconnect the lamp socket.

2) Remove 4 screws (B) and pull the lamp ballast unit upw ard.

3) Release 4 hooks (C) on the shield box and remove the shield cover.

4) Pull out the lamp ballast unit by sliding it to the upward.

5) Remove 2 screws (D) and remove the FAN (FN905).

6) Remove 2 screws (E) and remove video board.

5. LAMP BALLAST, VIDEO BOARD and FAN(FN905) REMOVAL

Shield Cover

FN905

Lamp Ballast Board

AV Jack Board

Fig.6

Fig.5

Video Board

-13-

Mechanical Disassemblies

1) Remove 2 screws (A) and remove the FAN(FN903).

2) Remove 4 screws (B) and remove the duct cover.

3) Remove 2 screws (C) and remove the Sub Power board.

4) Remove 4 screws (D) and remove the shield box.

5) Release 4 hooks (E) on the shield box and remove the shield box cover.

6) Remove the Power unit by sliding it to the upward.

7) Remove 2 screws (F) and remove the FAN(FN904).

7. POWER, SUB POWER BOARD and FAN(FN903, FN904) REMOVAL

Power Board

Sub Power Board

FN903

Duct Cover

FN904

Shield Box Cover

Fig.7

-14-

Mechanical Disassemblies

1) Remove a screw (A) and remove the ground wire.

2) Pull out the Interface Panel ass’y by sliding it upward.

3) Remove 6 screws (B) and 5 screws (C), then remove the Interface board.

8. INTERFACE BOARD REMOVAL

Remove 4 screws and the pull out the Mains Switch Ass’y.

9. MAINS SWITCH ASS’Y REMOVAL

Interface Board

Mains Switch Ass’y

Fig.9

Fig.8

-15-

Mechanical Disassemblies

1) Remove 5 screws (A) and remove the Mother board.

2) Remove 4 screws (B) and remove the Filter board.

3) Remove a screw (C) and remove the RC2 board.

11. MOTHER, FILTER and RC2 BOARD REMOVAL

1) Remove 9 screws (A) and pull out the Optical Unit Ass’y upward.

2) Remove 4 screws (B) and remove the Lamp Box.

3) Remove 4 screws (C) and then pull out the Duct Cover and FAN (FN902).

4) Remove 4 screws (D) and remove the Duct In Cover.

5) Remove 6 screws (E) and remove FAN (FN901, FN906, FN907).

6) Remove 2 screws (F) and remove the Interlock Switch (SW902).

7) Remove 2 screws (G) and remove the Net Unit.

10. OPTICAL UNIT and FAN (FN901, FN902, FN906,FN907) REMOVAL

FN902

Duct Cover

Interlock Switch

Duct In Cover

FN901

FN907

FN906

Net Board

Mother Board

Filter Board

RC2 Board

Fig.10

Fig.11

-16-

Remove 4 screws (Hexial screws) and remove the Projector Lens.

1. PROJECTOR LENS REMOVAL

Remove 4 screws and remove the Lens Holder ass’y.

2. LENS HOLDER ASS’Y REMOVAL

Projector Lens

Lens Holder Ass’y

Fig.2

Fig.1

■ Optical Unit Disassemblies

Remove the Cabinet Front , Lamp Cover, Cabinet Top and Main Unit by following to steps 2 to 4 of “Mechanical Disassemblies”, before proceeding these disassemblies.

Spacer

-17-

1) Remove 2 screws (A) and pull out the Integrator Lens ass’y upward.

2) Remove 2 screws (B) and pull out the Relay Lens ass’y upward.

3) Remove 3 screws (C) and pull out the Polarized Glass ass’y upward.

3. INTEGRATOR, RELAY LENS and POLARIZED GLASS

REMOVAL

Remove 9 screws and then pull out the Optical Unit Top upward.

4. OPTICAL UNIT TOP REMOVAL

Integrator Lens Ass’y

Relay Lens Ass’y

Polarized Glass (B) Ass’y

Polarized Glass (G) Ass’y

Polarized Glass (R) Ass’y

Fig.3

Fig.4

Optical Unit Disassemblies

-18-

Optical Unit Disassemblies

When the optical parts mounting or assembling, the parts must be mounted in the specified location and direction. Please refer to the figure below and “Mounting direction of optical parts” on next page.

1 Prism 2 Optical filter UV/IR 3 Integrator lens 4 Prism (Polarized Beam Splitter) 5 Condenser lens (IN) 6 Mirror (W) 7 Dichroic mirror (B) 8 Dichroic mirror (G) 9 Optical filter

10 Mirror (B) 11 Condenser lens 12 Polarized glass (IN/R) 13 Polarized glass (IN/G) 14 Polarized glass (IN/B) 15 Relay lens (IN) 16 Mirror (R) 17 Relay lens (OUT)

No. Part name No. Part name

4 5

Parts Name and Locations

Printed marker comes this side

Fig.5

Printed marker

comes this side

Printed marker

comes this side

Printed marker

comes this side

-19-

Optical Unit Disassemblies

Lighting source

Top view

Slit

Side View

Polarized Beam Splitter

● Mirror (Ref.No.6, 10, 16) mounting direction

Mount the mirror with coating side(mirror side) inside.

● Optical filter (Ref No. 2) mounting direction

Mount the optical filter as the printed marker (Lot No.) comes left side viewing from the lighting source side.

● Polarized glass (Ref No. 12, 13, 14) mounting direction

Mount the Polarized glass as the face which the polarized sheet is attached to prism side.

● Lens mounting

Lens (Ref.No. 11) must be mounted as shown in Fig.5. Lens (Ref.No. 5, 15, 17) has no mounting direction.

● Dichroic Mirror (Ref No. 7, 8) mounting

Dichroic mirrors must be mounted as shown in Fig.5.

Integrator lens

Bottom side

Printed marker

comes this side

Printed marker

comes this side

The optical parts must be mounted in specified direction otherwise the picture image will not reproduce correctly.

● Integrator lens (Ref No. 3) mounting direction

Mount the Integrator lens as shown in Fig.5 and Fig.6.

● Polarized beam splitter (Ref No. 4) mounting direction

Mount the Polarized beam splitter as shown in Fig.5 and Fig.6. Note:The marking comes upper right corner viewing from the projected side

and the marking comes lower right corner viewing from the lighting source side.

Mounting direction of optical parts

Fig.6

-20-

■ Lamp Replacement

WARNING:

- For continued safety, replace with a lamp assembly of the same type.

- Allow the projector to cool for at least 45 minutes before you open the lamp cover. The inside of the projector can become very hot.

- Do not drop the lamp module or touch the glass bulb! The glass can shat-

ter and cause injury.

Procedure

1.Turn off the projector and allow the projector to cool thoroughly.

2. Disconnect the AC cord from the projector.

3. Loose 2 screws with a screwdriver and remove the lamp cover.

4. Remove 2 screws and pull out the lamp assembly by grasping the handle.

5. Replace the lamp assembly securely and tighten 2 screws.

6. Place the lamp cover and tighten 2 screws.

7. Connect the AC cord to the projector.

Note:

- Do not reset the LAMP REPLACEMENT MONITOR TIMER, except after the lamp is replaced.

- The projector can not be turned-on with the lamp cover removed, because when the lamp cover is removed, the interlock switch is also released to switch off the mains power for safety.

8. Reset the lamp replacement monitor timer,see belo w explanation.

Service Parts No.: 610 280 4225

Description: Lamp Assy (POA-LMP20J)

How to reset the lamp replacement monitor timer

1.Turn the projector on. Press the MENU button on the projector and display menu bar. Select setting menu and select “Lamp age” on the setting menu of menu bar.

2.“Lamp replace monitor Reset?”is displayed for confirmation.Select “Yes” to reset the lamp replace timer.

Please refer to the owners manual for further information.

Recommendation

Should the air filter become clogged with dust particles, it will reduce the cooling fan’s effectiveness and may result in internal heat build up and short lamp life. We recommend cleaning the air filter after the projection lamp is replaced. Refer to “Air Filter Cleaning”.

How to check the lamp life remaing time

The LAMP REPLACE indicator will illuminate and the LAMP REPLACE warning message will appear on the screen when the total illumination time of lamp reaches to the specified hours. These are to indicate that lamp replacement is necessary.

You can check the lamp life remaining time by f ollo wing procedure.

1. Press and hold the pointer button for more than 20 seconds. The service mode window will be displayed on the screen as shown right.

2.You can see the lamp life remaining time. For example:“0567” means 567 hours remaining.

3. Press the POWER ON-OFF button to quit the service mode.

Lamp cover

Lamp Assembly

Data No. Data

Service Mode

037 0567

Remaining Time (hours)

-21-

■ LCD Panel Replacement

1. Remove the cabinet cover following to step 1 of “Mechanical Disassemblies”.

2. Remove the FPC cable on the main board.

3. Remove 4 screws(A) for B-Panel, 4 screws(B) for G-Panel and 4 screws(C) for R-Panel and pull the each LCD panel upward.

4. Remove 3 screws to take off the LCD panel from the panel holder.

When the LCD panel is replaced, it is required to re-adjust the white balance, focus, convergence and common center adjustments, and white uniformity adjustment if required. (Refer to the Optical and electrical adjustment.)

G-panel unit R, B-panel unit

When disconnecting the FPC cable, pull out the cable lock from the connector and then disconnect the FPC cable.

Connector

Cable lock

FPC cable

LCD panel holder

LCD panel

-22-

■ Electrical Adjustments

To enter the ser vice mode

To enter the “Service Mode”, press the MENU and NORMAL button on the projector and hold for 3 seconds.

To adjust ser vice data

Select the adjustment item by pressing the pointer or button, and change the value by pressing the VOLUME or VOLUME button. Refer to the service adjustment data table on next page for further information.

To return to the normal mode

To return to the “Normal mode”, press the POWER ON-OFF button on the projector or remote control unit.

● Service Adjustment Menu Operation

IC806 and IC807 store the data for the service adjustments, and should not be replaced except for the case of defective product. If replaced, it should be performed the re-adjustments following to the “Electrical Adjustments”. IC806 stores the data for the white uniformity compensation adjustment. IC807 stores the data for all service adjustments without IC806 stored. The lamp life remaining time is stored in the IC807, and it can be confirmed at the data no.37 of service mode. Please note that the lamp life remaining time is reset to the default value when the memory IC (IC807) is replaced. (Lamp life remaining time can not be set to the previous value.)

● Caution to memory IC replacement

When IC806 or IC807 is replaced with new one, the CPU writes down the default data of the service adjustments to the ICs, refer to the service adjustment table.

As these data are not the same data as factory shipped data, it should be required to perform the re-adjustments following to the “Electrical Adjustments”. Please note that the lamp life remaining time is reset to the default value.

● Caution of Main Board replacement (in the case

IC806 or IC807 is not damaged)

When the main board is replaced, IC806 and IC807 should be replaced with the one on previous main board. After replacement, it should be required to perform the re-adjustments following to the “Electrical Adjustments”. In this case, the lamp life remaining time and the white uniformity compensation data can be kept the value as before.

● Memory IC Replacement

Normal mode Service mode

Service Mode

Adjustment Item

Data No. Data

001 001E

Adjustment Value

-23-

Electrical Adjustments

● Ser vice Adjustment Data Table

The initial value is the reference data writing to the memory IC by the CPU ROM when the memory IC replacing. The Adjustment item which is indicated with “✻” is required to readjusted in the “Electrical adjustments”. Other items should be used in the initial data value.

No. Adjustment Item Range

Initial Value

Description

000 DAC RED CENTER 00B1 ✻ 0000 ~ 00FE ✻ R-DC adjustment 001 DAC GREEN CENTER 00B1 ✻ 0000 ~ 00FE ✻ G-DC adjustment 002 DAC BLUE CENTER 00B1 ✻ 0000 ~ 00FE ✻ B-DC adjustment 003 PSIG1 0060 ✻ 0000 ~ 00FF ✻ PSIG adjustment 004 PSIG2 0090 ✻ 0000 ~ 00FF ✻ PSIG adjustment 005 D-G RED Sub-Bright for PC FFF0 ✻ FC00 ~ 03FF Digital-Gamma Red Sub-Bright, ✻ R-Pedestal adjustment-[CG] 006 D-G RED Sub-Gain for PC 0043 ✻ 0000 ~ 00FF Digital-Gamma Red Sub-Gain, ✻ R-Gain adjustment-[CG] 007 D-G GREEN Sub-Bright for PC FFF0 ✻ FC00 ~ 03FF Digital-Gamma Green Sub-Bright, ✻ G-Pedestal adjustment-[CG] 008 D-G GREEN Sub-Gain for PC 0043 ✻ 0000 ~ 00FF Digital-Gamma Green Sub-Gain, ✻ G-Gain adjustment-[CG]

009 D-G BLUE Sub-Bright for PC FFF0 ✻ FC00 ~ 03FF Digital-Gamma Blue Sub-Bright, ✻ B-Pedestal adjustment-[CG] 00A D-G BLUE Sub-Gain for PC 0043 ✻ 0000 ~ 00FF Digital-Gamma Blue Sub-Gain, ✻ B-Gain adjustment-[CG] 00B D-G RED Sub-Bright for AV FFF0 ✻ FC00 ~ 03FF Digital-Gamma Red Sub-Bright, ✻ R-Pedestal adjustment-[AV] 00C D-G RED Sub-Gain for AV 0043 ✻ 0000 ~ 00FF Digital-Gamma Red Sub-Gain, ✻ R-Gain adjustment-[AV] 00D D-G GREEN Sub-Bright for AV FFF0 ✻ FC00 ~ 03FF Digital-Gamma Green Sub-Bright, ✻ G-Pedestal adjustment-[AV] 00E D-G GREEN Sub-Gain for AV 0043 ✻ 0000 ~ 00FF Digital-Gamma Green Sub-Gain, ✻ G-Gain adjustment-[AV]

00F D-G BLUE Sub-Bright for AV FFF0 ✻ FC00 ~ 03FF Digital-Gamma Blue Sub-Bright, ✻ B-Pedestal adjustment-[AV]

010 D-G BLUE Sub-Gain for AV 0043 ✻ 0000 ~ 00FF Digital-Gamma Blue Sub-Gain, ✻ B-Gain adjustment-[AV]

011 D-G GREEN Gamma Gain PC 007F ✻✻ G-Video adjustment-[CG]

012 D-G GREEN Gamma Bright PC 03FF ✻✻ G-Video adjustment-[CG]

013 D-G RED Gamma Gain PC 007F ✻✻ R-Video adjustment-[CG]

014 D-G RED Gamma Bright PC 03FF ✻✻ R-Video adjustment-[CG], ✻ White balance adjustment-[CG]

015 D-G BLUE Gamma Gain PC 007F ✻✻ B-Video adjustment-[CG]

016 D-G BLUE Gamma Bright PC 03FF ✻✻ B-Video adjustment-[CG], ✻ White balance adjustment-[CG]

017 D-G GREEN Gamma Gain AV 007F ✻✻ G-Video adjustment-[AV]

018 D-G GREEN Gamma Bright AV 03FF ✻✻ G-Video adjustment-[AV]

019 D-G RED Gamma Gain AV 007F ✻✻ R-Video adjustment-[AV] 01A D-G RED Gamma Bright AV 03FF ✻✻ R-Video adjustment-[AV], ✻ White balance adjustment-[AV] 01B D-G BLUE Gamma Gain AV 007F ✻✻ B-Video adjustment-[AV] 01C D-G BLUE Gamma Bright AV 03FF ✻✻ B-Video adjustment-[AV], ✻ White balance adjustment-[AV] 01D DAC RED DLYCNT 00A0 0000 ~ 00FF 01E DAC GREEN DLYCNT 00A0 0000 ~ 00FF

01F DAC BLUE DLYCNT 00A0 0000 ~ 00FF

020 DAC RED COM 0075 ✻ 0000 ~ 00FF ✻ R-Common Centre adjustment

021 DAC GREEN COM 0075 ✻ 0000 ~ 00FF ✻ G-Common Centre adjustment

022 DAC BLUE COM 0075 ✻ 0000 ~ 00FF ✻ B-Common Centre adjustment

AV AV(Inverted) CG CG(Inverted) 023 DAC RED OFFSET 00C0 ✻ 00C0 00C0 ✻ 00C0 0000 ~ 00FF ✻ R-Offset adjustment-[AV] 024 DAC GREEN OFFSET 00C0 ✻ 00C0 00C0 ✻ 00C0 0000 ~ 00FF ✻ G-Offset adjustment-[AV] 025 DAC BLUE OFFSET 00C0 ✻ 00C0 00C0 ✻ 00C0 0000 ~ 00FF ✻ B-Offset adjustment-[AV] 026 -027 VCO Frequency Range-1 Set 0130 Dot Clock setting for PSD=3, PFD=5, Fbk_Sel=1 028 VCO Frequency Range-2 Set 0285 Dot Clock setting for PSD=3, PFD=6, Fbk_Sel=1 029 VCO Frequency Range-3 Set 0295 Dot Clock setting for PSD=3, PFD=7, Fbk_Sel=1

02A VCO Frequency Range-4 Set 0380 Dot Clock setting for PSD=2, PFD=6, Fbk_Sel=1 02B VCO Frequency Range-5 Set 0440 Dot Clock setting for PSD=2, PFD=7, Fbk_Sel=1 02C VCO Frequency Range-6 Set 1200 Dot Clock setting for PSD=1, PFD=6, Fbk_Sel=1 02D VCO Frequency Range-7 Set 1340 Dot Clock setting for PSD=1, PFD=7, Fbk_Sel=1 02E VCO Frequency Range-8 Set 2200 Dot Clock setting for PSD=0, PFD=6, Fbk_Sel=0

02F Auto Image Input Level Setting 0070 0000 ~ 00FF Decide Input signal level for Auto Image operation 030 DVCO 0D30 ✻ VCO Default Adjustment of VPC (Auto tuning), ✻ DVCO adjustment 031 ondo_sw 0000 Auto Image 032 ondo_keisuu 0000 Auto Image 033 ondo_now -- Auto Image ( monitor only ) 034 ondo_fsync -- Auto Image ( monitor only )

COMPUTER VIDEO 035 H Filter Look Up Table 0001 0001 0 ~ 9 036 V Filter Look Up Table 0001 0001 0 ~ 9 037 Lamp Life Remaining Time 1000 --- Read Only (Remaining time to the End of Lamp Life in hours) 038 -039 NEC Gate Array Gamma A 00C0 00C0

03A NEC Gate Array Gamma B 0060 0060

-24-

Electrical Adjustments

No. Adjustment Item Range

Initial Value

Description

03B NEC Gate Array Gamma C 0020 0020 03C NEC Gate Array Contrast Ref. 0000 0000 03D NEC Gate Array Contrast Data 0000 0000 03E NEC Gate Array Brightness Data DFA4 0000

Less than XGACmp =000B Less than XGATrue =0005 Less than XGAExp =0008 SXGACmp =000B SXGATrue =0001 SXGAExp =0003 UXGACmp =000B UXGATrue =0008 UXGAExp =0008 D I/F Compress =0008 D I/F True =0000 D I/F Expand =0008 RGB =000A

HDTV =0000

VPC-In CIPY/Cr/Cb-In CIP R/G/B-In

525Line 625Line 525Line 625Line 525Line 625Line

040 AV Normal Horiz. Zoom 008B 0093 0089 009D 008C 007D 041 AV Normal Vert. Zoom 00D2 00B5 00D2 00B0 00D5 00B0 042 AV Normal H Position 0044 0024 003A 002B 0053 0058 043 AV Normal V Position 001B 0028 0014 0019 0018 0019 044 AV Normal H Blanking Start 009F 00A0 009D 00A2 009D 009E 045 AV Normal H Blanking End 0317 0317 0318 0314 0319 0316 046 AV Normal V Blanking Start 0032 0032 0035 003B 0032 0039 047 AV Normal V Blanking End 03FD 03FD 03FA 03F2 03FB 03F7 048 AV Wide Mode Horiz. Zoom 008C 0094 008A 00A0 008C 0064

049 AV Wide Mode Vert. Zoom 009B 0086 009C 0085 0064 0064 04A AV wide Mode H Position 0049 0027 003C 0035 0016 0016 04B AV Wide Mode V Position 001B 001C 0014 0015 0016 0016 04C AV Wide Mode H Blanking Start 009D 009F 009D 009D 0090 0090 04D AV Wide Mode H Blanking End 0319 0317 0318 0319 0318 0318 04E AV Wide Mode V Blanking Start 00AD 00B1 00B0 00AF 0000 0000

04F AV Wide Mode V Blanking End 037C 0380 037C 0380 03FF 03FF

050 AV/RGB IN H-Blanking Set Offset 0000

051 AV/RGB IN H-Blanking Reset Offset 0000

052 --

053 --

054 --

055 --

056 RS232C Waiting Time 0006 2 ~ 25

057 Logo Mark Display Setting 0001 0 or 1 0000=Off , 0001=On

058 Shootout Setting 0000 0 ~ 3 0000=Normal, 0001=Shootout1 , 0002=Shootout2, 0003=SHootout3

059 -05A Lamp Option Data 1000 05B RS232C Bit Rate Option 0001 0 or 1 0000=9600 , 0001=19200 05C NOR PRG Control 0000 05D AV Option Data 0000 0 or 1 0000=AV Exist , 0001=No AV mode 05E --

05F Position S&H Adjusting Bar(Temp) 0006

SXGA UXGA OTHER 060 ICS1523 No.1 DPAOffset 003E 002E 0000 Efective only DIF Input 061 ICS1523 No.1 DPAControl 0000 0000 0000 Efective only DIF Input 062 ICS1523 No.1 Phase Detector Gain 0006 063 ICS1523 No.1 Post Scalar Divider 0002 064 ICS1523 No.2 Input Control 00C3 065 ICS1523 No.2 Loop Control 0007 066 ICS1523 No.2 FdBk Div 0 005C 067 ICS1523 No.2 FdBk Div 1 0000 068 ICS1523 No.2 DPAOffset 0000 069 ICS1523 No.2 DPAControl 0000

06A ICS1523 No.2 Output Enables 003F 06B ICS1523 No.2 Osc Div 00E2 06C ICS1523 No.2 Reset 005A 06D ICS1523 No.3 Input Control 0037

03F

NEC Gate Array Sharpness Data

Effective only Computer Mode (It operates as sharpness when Video Mode)

-25-

Electrical Adjustments

06E ICS1523 No.3 Loop Control 0012

06F ICS1523 No.3 FdBk Div 0 00B8 070 ICS1523 No.3 FdBk Div 1 000C 071 ICS1523 No.3 DPAOffset 00B2 072 ICS1523 No.3 DPAControl 0000 073 ICS1523 No.3 Output Enables 001F 074 ICS1523 No.3 Osc Div 0000 075 ICS1523 No.2 Reset 0059 076 --

VPC-In CIP Y/Cr/Cb-In CIP R/G/B-In

525Line 625Line 525Line 625Line 525Line 625Line

077 Progressive Scan PDH_HBLKS 038C 0366 0390 0302 039C 0350 078 Progressive Scan PDI_HBLKE 0567 04AD 0551 04BF 0583 050F

079 Progressive Scan PDJ_VBLKS 01FC 0258 01F4 0256 01F3 0256 07A Progressive Scan PDK_VBLKE 0029 003B 0026 0030 0028 0030 07B Progressive Scan ON/OFF Set 0001 0000 or 0001 0000=Prog.Scan OFF, 0001=Prog.Scan ON

HDTV U.S. HDTV 07C HDTV Total Dot 05BB 05BB 0000 ~ 270F Initial value=1466 07D HDTV Vertical Scale 008B 0086 0000 ~ 0C80 Initial Value=1.25 07E HDTV H-Position 0093 0093 -> 0000 ~ Total Dots - 10

07F HDTV V-Center Position 00B0 00B0 0000 ~ 03FF 080 HDTV H BLANK Start 009E 009E 0000 ~ 03FF 081 HDTV H BLANK End 0317 0317 0000 ~ 03FF 082 HDTV V BLANK Start 00BD 00B3 0000 ~ 03FF 083 HDTV V BLANK End 037D 0377 0000 ~ 07FF 084 HDTV V-Position 000F FFFD -> 0000 ~ Total Line - 10 085 Progressive Scan PDO_HENS 0045 0045 0045 0045 0045 0045 086 Progressive Scan PDO_HENR 0400 03B2 0401 03B2 0401 03B2 087 Progressive Scan PDP_VENS 001C 0029 001C 0034 001C 0034 088 Progressive Scan PDP_VENR 01FF 025C 01FE 025A 01FE 025A

089 -08A -08B -08C -08D -08E --

08F --

090 --

091 --

092 --

093 --

094 --

095 --

096 --

097 --

098 --

099 -09A -09B -09C -09D -09E --

09F -0A0 -0A1 -0A2 -0A3 -0A4 0A5 -0A6 -0A7 --

0BA -0BB --

0BD --

No. Adjustment Item Range

Initial Value

Description

Omitted Omitted

No. Adjustment Item Range

Initial Value

Description

-26-

Electrical Adjustments

VPC-In CIP Y/Cr/Cb-In CIP R/G/B-In

525Line 625Line 525Line 625Line 525Line 625Line

0BE CIP noissu 0001 0001 0001 0001 0000 0000 0BF CIP noissv 0001 0001 0001 0001 0000 0000 0C0 CIP noissy 0001 0001 0001 0001 0000 0000 0C1 CIP satu 0024 0024 0024 0024 0018 0018 0C2 CIP satv 0027 0024 0027 0024 001F 001F 0C3 CIP saty 001B 001C 0029 0029 002C 002C 0C4 CIP bry 00F8 00F7 00F7 00F7 00F7 00F7 0C5 CIP CBSON -- 0000 or 0001 CBSON bit monitor of CIP3250A 0000=VPC, 0001=YUV or RGB 0C6 CIP SMODE 0001 0001 0001 0C7 CIP clsel 0001 0001 0001 0C8 VPC xlck 0000

0C9 CIP SKWON 0001 0CA CIP lpflum 0000 0CB CIP cylum1 0000 0CC CIP cylum2 0000 0CD CIP cychr1 0000 0CE CIP cychr2 0000

0CF CIP lpfchr 0000

0D0 CIP se_4_8q 0000

0D1 CIP selamp 0000

0D2 CIP dl1on 0001

0D3 CIP cdel 000 0000 0000

0D4 CIP ydel 0000

0D5 CIP clpstrt 0015 0029 -- -- -- --

0D6 CIP clpstop 0034 0046 -- -- -- --

0D7 CIP skewlat 0000

0D8 CIP DL2 0048

0D9 CIP fbl 0000 0DA -0DB VPC sgain 001A 0DC VPC avopre 0000 0DD VPC cmode 0000 0DE VPC lmode 0000

0DF VPC colbaren 0000

0E0 VPC hpllmd 0003 0003 0001 0001 0001 0001

0E1 VPC vpk 0004

0E2 VPC vdg 0002

0E3 VPC hdg 0003

0E4 VPC ddr 0000

0E5 VPC hlpgain 0313

0E6 VPC uoffs 0040

0E7 VPC cor 0000

0E8 VPC llc_offset 0000

0E9 VPC sub_tint FFFF

PAL SECAM NT433 NTSC PALM PALN 0EA VPC cbw 0003 0002 0002 0003 0002 0002 0EB VPC ifc 0001 0003 0000 0000 0001 0001

0EC VPC ldly 0001 0000 0000 0002 0000 FFFF 0ED VPC nosel 0000 0001 0002 0003 0002 0003

0EE VPC kilvl 0010 0010 0010 0008 0010 0010

VPC-In CIP Y/Cr/Cb-In CIP R/G/B-In

525Line 625Line 525Line 625Line 525Line 625Line

0EF VPC linlen 047F 03FF -- -- -- --

0F0 VPC newlin 0082 0040 -- -- -- -0F1 VPC hcstrt 0000 0000 001F 0000 0000 0000 0F2 VPC hcstop 0065 0051 004B 0058 0039 002E 0F3 VPC avstrt 006E 006F -- -- -- -0F4 VPC avstop 047B 03FD -- -- -- -0F5 VPC vsdel 0000 0000 -- -- -- -0F6 VPC fflim 03C3 03C3 -- -- -- -0F7 VPC llc_start 0FF6 0FF6 -- -- -- -0F8 VPC llc_stop 0004 0004 -- -- -- -0F9 VPC llc_dflimit 0036 0036 -- -- -- --

-27-

No. Adjustment Item Range

Initial Value

Description

Electrical Adjustments

VPC-In CIP Y/Cr/Cb-In CIP R/G/B-In

525Line 625Line 525Line 625Line 525Line 625Line

0FA VPC llc_clockh 002A 0FDE -- -- -- -0FB VPC llc_clockh 0AAB 0D08 -- -- -- -0FC VPC llc_clockl 0003 0003 -- -- -- -0FD VPC asr -- Read Only 0FE VPC noise -- Read Only 0FF VPC nlpf -- Read Only

100 Gamma Red point 0 for PC 0000 101 Gamma Red point 1 for PC 0292 102 Gamma Red point 2 for PC 0462 103 Gamma Red point 3 for PC 0600 104 Gamma Red point 4 for PC 0690 105 Gamma Red point 5 for PC 0750 106 Gamma Red point 6 for PC 0790 107 Gamma Red point 7 for PC 0826 108 Gamma Red point 8 for PC 0853

109 Gamma Red point 9 for PC 0879 10A Gamma Red point 10 for PC 0940 10B Gamma Red point 11 for PC 1023 10C Gamma Green point 0 for PC 0000 10D Gamma Green point 1 for PC 0292 10E Gamma Green point 2 for PC 0462

10F Gamma Green point 3 for PC 0600

110 Gamma Green point 4 for PC 0690

111 Gamma Green point 5 for PC 0750 112 Gamma Green point 6 for PC 0790 113 Gamma Green point 7 for PC 0826 114 Gamma Green point 8 for PC 0853 115 Gamma Green point 9 for PC 0879 116 Gamma Green point 10 for PC 0940 117 Gamma Green point 11 for PC 1023 118 Gamma Blue point 0 for PC 0000 119 Gamma Blue point 1 for PC 0292 11A Gamma Blue point 2 for PC 0462 11B Gamma Blue point 3 for PC 0620

11C Gamma Blue point 4 for PC 0690 11D Gamma Blue point 5 for PC 0750

11E Gamma Blue point 6 for PC 0790 11F Gamma Blue point 7 for PC 0826 120 Gamma Blue point 8 for PC 0853 121 Gamma Blue point 9 for PC 0879 122 Gamma Blue point 10 for PC 0940 123 Gamma Blue point 11 for PC 1023 124 Gamma Red point 0 for AV 0000 125 Gamma Red point 1 for AV 0230 126 Gamma Red point 2 for AV 0420 127 Gamma Red point 3 for AV 0600 128 Gamma Red point 4 for AV 0690 129 Gamma Red point 5 for AV 0750

12A Gamma Red point 6 for AV 0790 12B Gamma Red point 7 for AV 0826 12C Gamma Red point 8 for AV 0853 12D Gamma Red point 9 for AV 0879 12E Gamma Red point 10 for AV 0932

12F Gamma Red point 11 for AV 1023 130 Gamma Green point 0 for AV 0000 131 Gamma Green point 1 for AV 0230 132 Gamma Green point 2 for AV 0420 133 Gamma Green point 3 for AV 0600 134 Gamma Green point 4 for AV 0690 135 Gamma Green point 5 for AV 0750 136 Gamma Green point 6 for AV 0790 137 Gamma Green point 7 for AV 0826 138 Gamma Green point 8 for AV 0853 139 Gamma Green point 9 for AV 0879

13A Gamma Green point 10 for AV 0940

No. Adjustment Item Range

Initial Value

Description

-28-

Electrical Adjustments

13B Gamma Green point 11 for AV 1023 13C Gamma Blue point 0 for AV 0000 13D Gamma Blue point 1 for AV 0292 13E Gamma Blue point 2 for AV 0462

13F Gamma Blue point 3 for AV 0600 140 Gamma Blue point 4 for AV 0690 141 Gamma Blue point 5 for AV 0750 142 Gamma Blue point 6 for AV 0790 143 Gamma Blue point 7 for AV 0826 144 Gamma Blue point 8 for AV 0853 145 Gamma Blue point 9 for AV 0879 146 Gamma Blue point 10 for AV 0940 147 Gamma Blue point 11 for AV 1023 148 --

150

VPC-In CIPY/Cr/Cb-In CIP R/G/B-In

525Line 625Line 525Line 625Line 525Line 625Line

151 AVHSTRT 0015 0014 001E 001E 001E 001E 0000 ~ 00FF CIP AVO start 152 AVHLEN 008A 007A 008D 007E 008D 007C 0000 ~ 00FF CIPAVO length from start 153 -154 -155 -156 -157 SDTMOD + SDT -- No EPROMWriting 158 Chorma accu h -- Read only

159 -15A -15B -15C -15D -15E --

15F --

160 TC9090 VENH 0004

161 VPC XLCK OFF 000B

162 VPC SCINCL 1152 or 1296 1024 ~ 4095

163 --

164 --

165 --

166 cool_time 003C Cooling time setting

167 test_ptn 0000 Test pattern display

168 cbal 0000

169 cbal_reset 0000 ✻✻ White uniformity adjustment, Compensation data initialisation. 16A cbal_opt 000F timming 0 16B cbal_opt 000C timming 1 16C cbal_opt 0044 timming 2 16D cbal_opt 0016 timming 3 16E cbal_opt 000B timming 4

16F cbal_opt 0002 timming 5

170 cbal_opt 0028 timming 6

171 cbal_opt 0061 timming 7

172 cbal_opt 00FA✻ timming 8 ✻ White uniformity adjustment, Compensation mode On/Off

173 cbal_opt 0020 timming 9

174 cbal_edge 0020 Left Red

175 cbal_edge 0020 Left Green

176 cbal_edge 0020 Left Blue

177 cbal_edge 0020 Right Red

178 cbal_edge 0020 Right Green

179 cbal_edge 0020 Right Blue 17A DACR 00B0 ✻ Red ✻ R-Offset adjustment-[CG] 17B DACG 00B0 ✻ Green ✻ G-Offset adjustment-[CG] 17C DACB 00B0 ✻ Blue ✻ B-Offset adjustment-[CG] 17D

Omitted Omitted

-29-

After replacing the Power Board, readjust the Output voltage adjustment as follows.

1. Connect a digital voltmeter to pins 1 (+) and 3 (-) of K6D.

2. Adjust the voltage by using VR671 as following.

AC Input Reading

230V 370V ±2V 120V 320V ±2V

Caution: Be sure to connect the lamp when taking this adjustment.

1. Receive the 16-step gray scale video signal.

2. Set to VIDEO mode.

3. Connect a digital voltmeter to pin 2 (+) of K6E and chassis ground (-).

4. Adjust voltage to 6.2 ±0.1V by using VR662.

1. Receive the 16-step gray scale video signal.

2. Set to VIDEO mode.

3. Connect a digital voltmeter to pin 5 (+) of K6E and chassis ground (-).

4. Adjust voltage to 15.6 ±0.1V by using VR661.

1. Receive the 16-step gray scale video signal.

2. Set to VIDEO mode.

3. Connect a digital voltmeter to pin 5 (+) of K6J and chassis ground (-).

4. Adjust voltage to 12.0 ±0.1V by using VR681.

+12V ADJUSTMENT

+15V ADJUSTMENT

+6V ADJUSTMENT

OUTPUT VOLTAGE ADJUSTMENT

● Circuit Adjustments

CAUTION:The each circuit has been made by the fine adjustment at factor y. Do not attempt to adjust the follow-

ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance and product safety.

[Adjustment Condition]

● Input signal Video signal -------------- 1.0Vp-p/75Ω terminated, 16 steps gray scale or color bar pattern Computer signal -------- 0.7Vp-p/75Ω terminated, 16 steps gray scale pattern

● Picture control mode ---------- “NORMAL” mode unless otherwise noted.

Note: Please refer to “Service Adjustment” for entering to the service mode and adjusting the service data.

Electrical Adjustments

1. Receive the NTSC color bar video signal.

2. Set to VIDEO mode.

3. Enter to the service mode, select data no. “030” and change data value upward or downw ard.Confirm that the data value automatically change and stay a certain value.

DVCO ADJUSTMENT

Presetting

1. Receive the 16-step gray scale computer signal.

2. Set to COMPUTER mode.

[R-DC ADJUSTMENT]

3. Connect a digital voltmeter to test point “TP2511” (+) and chassis ground (-).

4. Enter to the service mode, select data no. “000” and change data value to adjust voltage to 7.5 ±0.1V.

[G-DC ADJUSTMENT]

5. Connect a digital voltmeter to test point “TP2512” (+) and chassis ground (-).

6. Enter to the service mode, select data no. “001” and change data value to adjust voltage to 7.5 ±0.1V.

[B-DC ADJUSTMENT]

7. Connect a digital voltmeter to test point “TP2513” (+) and chassis ground (-).

8. Enter to the service mode, select data no. “002” and change data value to adjust voltage to 7.5 ±0.1V.

DC ADJUSTMENT

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