Sanyo PLC-XF41 Manuel utilisateur

FILE NO.

SERVICE MANUAL

REFERENCE NO. SM5110460

PRODUCT CODE :

PLC-XF41 MC7A 1 122 189 00

Multimedia Projector

Give complete “CHASSIS NO." for

parts order or servicing, it is shown on

the rating sheet on the cabinet of the

Projector.

Chassis No. MC7-XF4100

NOTE: Match the Chassis No. on the rating

sheet on the cabinet with the

Chassis No. in the Service Manual.

If the Original Version Service

Manual Chassis No. does not

match the unites, additional

Service Literature is required. You

must refer to “Notices” to the

Original Service Manual prior to

servicing the unit.

MODEL NO. PLC-XF41

U.S.A., Canada,Europe, Asia, Africa, M.E., U.K.

CONTENTS ;

Specifications 2

Safety Instructions 3

Protections 4

Ass'y lamp replacement 6

Mechanical disassemblies 10

Optical unit disassemblies 15

Maintenance 23

Troubleshooting 26

Waveforms 40

Electrical adjustments 42

Optical adjustments 49

CPU input/output port functions 59

The cautions in schematic diagrams 63

Unit PFC, Unit lamp ballast and IC block diagrams 65

Parts list 70

Cabinet, Chassis and Optical parts list 78

Electrical parts list 79

Schematic diagrams S1~S11

Block diagrams B1~B2

PWB parts location diagrams P1~P5

(Projection lens is optional.)

-2-

Owner’s Manual

AC Power Cord

Wireless/Wired Remote Control Transmitter and Batteries

Remote Control Cable

VGA Cable and DVI Cable

MAC/VGA Adapter and DVI/VGA Adapter

3 Types Control Cable (For PS/2, Serial and ADB port)

6 Types Light-Block Sheet (For option lens)

2 Types Lens Attachment (For option lens)

Protective Dust Cover

Accessories

1.8" TFT Active Matrix type, 3 panels

Multi-media Projector

81.7 lbs (37 kg)

22.9" x 10" x 30.9" (581 mm x 252 mm x 783 mm)

1024 x 768 dots

2,359,296(1024 x 768 x 3 panels)

PAL, SECAM, NTSC, NTSC4.43, PAL-M and PAL-N

Up, Down, Left and Right

800 TV lines

INT. SP. Stereo (R and L), 3 watt RMS (T.H.D. 10%)

41˚F ~ 95˚F (5˚C ~ 35˚C)

14 ˚F ~ 140 ˚F (-10 ˚C ~ 60 ˚C)

Projector Type

Net Weight

Dimensions (W x H x D)

Panel Resolution

Number of Pixels

Color System

Scanning Frequency

Horizontal Resolution

Built-in Speakers

Operating Temperature

Storage Temperature

LCD Panel System

200 watt type x 4

Projection Lamp

0˚ to 5.7˚

Feet Adjustment

Power Source : AA, UM3 or R06 Type x 2

Operating Range : 16.4’ (5m) / ±30˚

Dimensions : 2.2” x 1.3” x 7.6” (55mm x 34mm x 192mm)

Net Weight : 0.36 lbs (165 g) (including batteries)

Laser Pointer : Class II Laser (Max. Output : 1mW / Wave length : 650±20nm)

Remote Control Transmitter

480i, 480p, 575i, 575p, 720p, 1035i, 1080i-50 and 1080i-60

High Definition TV Signal

AC 100 ~120 V (12 A Max. Ampere), 50 / 60 Hz

(The U.S.A and Canada)

AC 200 ~ 240 V (6.2 A Max. Ampere), 50 / 60 Hz

(Continental Europe and The U.K.)

Voltage and

Power Consumption

H-sync. 15 ~ 120 KHz, V-sync. 50 ~ 120 Hz

Motorized Lens Shift

DVI-I Terminal (Digital/Analog), RCA Type (Audio R and L)

and DIN 8-pin (Control port)

Input 1 Jacks

BNC Type x 5 (R/Pr, G/Y, B/Pb, H/HV and V), RCA Type (Audio R and L)

and DIN 8-pin (Control port)

Input 2 Jacks

BNC Type x 2 (VIDEO/Y, C), RCA Type (Audio R and L)

and DIN 4-pin (S-Video)

Input 3 Jacks

Serial port in (DB 9), Serial port out (DB 9), USB port,

Audio Monitor out (RCA Type R and L) and Wired Remote Jack

Other Jacks

HDB 15-pin Terminal (Analog), RCA Type (Audio R and L)

and DIN 8-pin (Control port)

Input 4 Jacks

●Specifications are subject to change without notice.

●LCD panels are manufactured to the highest possible standards. At least 99.999% of the pixels are

effective, however a tiny fraction of the pixels (0.001% or less) may be ineffective by the characteristics of

the LCD panels.

TECHNICAL

SPECIFICATIONS

-3-

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 is 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 (20~25kV) 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.

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 cir-

cuit 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 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.

PRODUCT SAFETY NOTICE

Product safety should be considered when a compo-

nent replacement is made in any area of the projec-

tor. Components indicated by mark in the parts

list and the schematic diagram designate compo-

nents in which safety can be of special significance.

It is, therefore, particularly recommended that the

replacement of the parts must be made by exactly

the same parts.

DO NOT ATTEMPT TO SERVICING THE

REMOTE CONTROL UNIT.

Laser Beam may be leaked out when in disassem-

ble 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: 650 ±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 ( ) : 650±20nm

Safety Instructions

CAUTION

RISK OF EXPLOSION IF BATTERY IS REPLACED

BY AN INCORRECT TYPE.

DISPOSE OF USED BATTERIES ACCORDING

TO THE INSTRUCTIONS.

-4-

This projector is equipped with the following protec-

tions to operate in safety.

Protections

❏ Fuse for circuit protection

The fuse is located in the rear inside a projector. (Refer to figure.) When

either the LAMP indicator or the READY indicator is not illuminated,

fuse may be opened. Check the fuse as following steps.

1. Remove the Cabinet-top following to “Mechanical Disassemblies”.

2. Remove the fuse from fuse holder.

3. Check the resistance of fuse using a tester.

To install the fuse, take reversed step in the above.

It should be used the specified fuse as follows;

Fuse Part No.: 423 028 4209

TYPE 15.0A400V FUSE

SOC CORP. SHV14 15A N4

■ The Lamp circuit (the lamp and the electrode of the lamp socket)of this

projector is not insulated from AC line, and it is "HOT." Therefore,

when replacing lamp assembly, an electric shock may be received.

However, the interlock switch (SW902) is designed so that it may protect

from the accident.

■ This switch(SW902) insulates a lamp circuit from AC line, when cover-

top is opened. (The lamp circuit changes to "COLD.")

❏ Protection equipment for users Electric shock protection. (Interlock switch)

Cover top

Lamp socket

Interlock

switch

AC INPUT Fuse

F901 Main sw

SW901

Interlock SW

SW902

Ass'y

Power

P.F. C .

Lamp

ballast

Lamp 1

Lamp 2

Lamp

ballast

Lamp 3

Lamp 4

The label of the right figure sticks near the Fuse.

-5-

❏ Overheating Protection -- The temperature monitor system --

----- The temperature monitor -1: -----

■To control the driving power of the cooling fans.

The CPU checks the temperature and atmospheric pressure

inside a projector. It checks a temperature using temperature

sensor-IC5801 and it checks an atmospheric pressure using

pressure sensor-IC886.

The CPU controls the driving power of the cooling fans so the

temperature inside the projector is maintained to normal tem-

perature.

■To shut down the projector.

The CPU checks temperature of Green polarization glass

(PTH901) and inhalation air(IC5801). If each part tempera-

ture reaches to abnormal temperature, the CPU will turn off a

projector, and will blink WARNING TEMP. indicator at inter-

vals of 0.6 seconds. Cooling fans operate until temperature

returns to normal. Indicator will stop blink, if temperature

returns to normal.

The temperature monitor system is provided to prevents damage of optical components (the LCD panel and polarization

film etc.) inside a projector from overheat. Two protection systems are provided.

Each system operation as follows ;

----- The temperature monitor -2 : -----

(Temperature check of lamps. )

Temperature switches (SW 903~906) are arranged near the

four lamps. Temperature switches will operate, if temperature

reaches 90~100 degrees.

SW904 (Lamp-2) ----- It operates at 90 degrees.

SW903/5/6 (Lamp-1/3/4) ---- It operates at 100 degrees.

When temperature switches have operated, lamp ballast units

will be shut down, then a projector will be turned off.

Note.

The CPU does not check operation of temperature switches.

Therefore, when temperature switches have operated and a

projector has shut down, WARNING TEMP. indicator does

not blink.

FN905

For

G-panel

For

B-panel

For

R-panel

For

Lamp1

For

Lamp2

For

Lamp3

For

Lamp4

Temperature s

witches (SW903/904/905/906)

are arranged to Bottom of the optical unit.

Main

Front side

SW904

90*C

SW903

100*C

SW906

100*C

SW905

100*C

A-Side

B-Side

PRESSURE

SENSOR

IC886

Temperature sensors

location

Temp.

SENSOR

IC2541

IC5801

Temp. Sensor

nhalation air

)

Temp. Sensor

(Green polarization glass)

PTH901

Green polarizer unit

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

Possible causes

- Air filter is clogged with dust particles. Remove dust from the air filter by following instruction in the

"Air filter care and cleaning".

- 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 operate is 5 to 35°C or 41 to 95°F)

This Projector is equipped with 4 Projection Lamps to ensure brighter image and those lamps are controlled by Lamp

Management Function. Lamp Management Function detects status of all lamps and shows status on screen or on LAMP

REPLACE indicator. This function also automatically controls Lamp Mode when any of lamps is out for end of life or

malfunctions.

Projection Lamp lights normally.

Lamp Replace Indicator

This LAMP REPLACE indicator lights yellow when any of Projection Lamps is nearing its end, and flashes when any of them

becomes out. Check number of lamp on Lamp Status Display and replace lamp.

Yellow Lamp

Dim Lamp

X Mark on Lamp

Red Lamp

LAMP REPLACE

INDICATOR

Projection Lamp is turned off.

Projection Lamp is nearing its end. When image becomes

darker or color becomes unnatural, replace lamp. (LAMP

REPLACE indicator lights yellow.)

(LAMP REPLACE indicator flashes yellow.)

Projection lamp is defective or fails to be turned on. Restart a

projector on, and make sure lamp is on. If this mark still

appears, replace lamp corresponding with number marked X.

LAMP STATUS

DISPLAY

Lamp Mode Changeover

Lamp Management Function automatically changes combination of lighting lamp (Lamp Mode) by detecting status of lamp.

When any of 4 lamps becomes out, Lamp Mode is changed over from 4 lamps to 2 lamps. And when any of 2 lamps are out,

a projector operates with 1 lamp. But, in case of combination that the Lamp of 1-4, or 2-3 does not light up, it becomes a 2

lamps mode.

Lamp Mode can be switched to 4 lamps or 2 lamps manually. Refer to SETTING section of Owner's manual.

2 4

4 LAMP MODE 2 LAMP MODE

(Example)

2 LAMP MODE

(Example)

1 LAMP MODE

(Example)

Lamp Status Display

Lamp Status Display appears on screen when power switch is on or changed input position (input 1, input 2, Input 3 or input 4).

This shows status of each lamp as; ON, OFF, NEAR END, or OUT. Refer to following for each status.

LAMP STATUS

INPUT 1

2 4

LAMP REPLACEMENT

Before Replacement

-6-

-7-

LAMP REPLACEMENT

CAUTION

Do not drop a lamp assembly or touch a glass

bulb! Glass can shatter and may cause injury.

CAUTION

For continued safety, replace with a lamp

assembly of same type.

Allow a projector to cool for at least 45

minutes before you open Lamp Cover. Inside

of a projector can become very hot.

Check number of lamp to be replaced on Lamp Status Display.

Remove two screws on Lamp Cover and press button to open

Lamp Cover. (See right figure.)

Loosen two screws and pull out Lamp Assembly to be replaced

by grasping handle.

Turn off a projector and disconnect AC Power Cord. Allow a

projector to cool down for at least 45 minutes.

Replace Lamp Assembly with a new one and tighten two screws.

Make sure Lamp is set properly

Follow these steps to replace lamp assembly.

Replace Lamp Cover and tighten two screws.

Connect AC Power Cord to a projector and turn a projector on.

Reset Lamp Replacement Counter. (Refer to section "Lamp

Counter Reset".)

NOTE : Do not reset LAMP REPLACEMENT COUNTER when

lamp is not replaced.

BUTTON

SCREWS

LAMP

COVER

SCREWS

Make sure which number of lamp needs to be

replaced on Lamp Status Display.

Figure shows case of replacing LAMP 2.

LAMP 1

LAMP 2

LAMP 3

LAMP 4

CAUTION : Do not operate a Projector while any of lamps removed.

It may result in malfunctions, fire hazard, or other accidents.

NOTES ON LAMP REPLACEMENT

To maintain quality of picture (better balance of color and brightness in entire screen), we

recommend replacing all 4 lamps at a time.

CAUTION : High pressure lamp may explode if improperly handled.

Refer to lamp replacement instructions.

LAMP1

LAMP2

LAMP3

LAMP4

The label of the right figure sticks to here.

1AA6P4S2207--

610 292 4831

-8-

This projector uses a high-pressure lamp which must be handled carefully and properly. Improper

handling may result in accidents, injury, or create a fire hazard.

●Lamp lifetime may differ from lamp to lamp and according to the environment of use. There is no

guarantee of the same lifetime for each lamp. Some lamps may fail or terminate their lifetime in a

shorter period of time than other similar lamps.

●If the projector indicates that the lamp should be replaced, i.e., if the LAMP REPLACE INDICATOR

lights up, replace the lamp with a new one IMMEDIATELY after the projector has cooled down.

( Follow carefully the instructions in the LAMP REPLACEMENT section of owner's manual.)

Continuous use of the lamp with the LAMP REPLACE INDICATOR lighted may increase the risk of

lamp explosion.

●A Lamp may explode as a result of vibration, shock or degradation as a result of hours of use as its

lifetime draws to an end. Risk of explosion may differ according to the environment or conditions in

which the projector and lamp are being used.

IF A LAMP EXPLODES, THE FOLLOWING SAFETY PRECAUTIONS SHOULD BE TAKEN.

If a lamp explodes, disconnect the projector’s AC plug from the AC outlet immediately. Contact an

authorized service station for a checkup of the unit and replacement of the lamp. Additionally, check

carefully to ensure that there are no broken shards or pieces of glass around the projector or coming out

from the cooling air circulation holes. Any broken shards found should be cleaned up carefully. No one

should check the inside of the projector except those who are authorized trained technicians and who are

familiar with projector service. Inappropriate attempts to service the unit by anyone, especially those who

are not appropriately trained to do so, may result in an accident or injury caused by pieces of broken

glass.

LAMP HANDLING PRECAUTIONS

ORDER REPLACEMENT LAMP

Replacement Lamp can be ordered through your dealer. When ordering a Projection Lamp, give the

following information to the dealer.

●Replacement Lamp Type No. : POA-LMP42

(Service Parts No. 610 292 4831)

Lamp replacement caution label

LAMP1

LAMP2

LAMP3

LAMP4

Lamp counter reset

Move pointer to Lamp counter reset and then

press SELECT button. Move arrow to

replaced lamp number (Lamp 1, Lamp

2, Lamp 3 or Lamp 4) and then press

SELECT button.

Be sure to reset Lamp Counter when Lamp Assembly is replaced. When Lamp Replace Counter is reset, LAMP

REPLACE indicator stops lighting.

Turn projector on, press MENU button and ON-SCREEN

MENU will appear. Press POINT LEFT/RIGHT button(s) to

move a red frame pointer to SETTING Menu icon.

Press POINT DOWN button to move a red frame pointer to

“Lamp counter reset” and then press SELECT button.

Do not reset Lamp Replace Counter except after Projection lamp is

replaced.

Another confirmation dialog box appears and select [Yes] to

reset Lamp Replace Counter.

Move arrow to replaced lamp number (Lamp 1, Lamp 2, Lamp 3

or Lamp 4) and then press SELECT button. Message "Lamp

replace counter Reset?" is displayed. Move pointer to [Yes] and

then press SELECT button.

NOTE: Be sure to reset correct lamp number otherwise LAMP

REPLACE indicator continues lighting.

Message "Lamp replace counter Reset?" is

displayed. Move pointer to [Yes] and then

press SELECT button.

2 4

-9-

LAMP1 LAMP3

LAMP4LAMP2

Lamp No. is marked a cabinet

CARRYING AND TRANSPORTING A PROJECTOR

●Do not drop or bump a projector, otherwise damages or malfunctions may result.

●When carrying a projector, use a suitable carrying case.

●Do not transport a projector by using a courier or transport service in an unsuitable transport

case. This may cause damage to a projector. To transport a projector through a courier or

transport service, consult your dealer and best case should be applied.

CAUTION IN CARRYING OR TRANSPORTING A PROJECTOR

Cabinet top

Cabinet front top

Cabinet front bottom

Cabinet front

(a)

Hook

Mechanical disassemblies

Remove 8 screws and remove the Cabinet -

top.

Note :

Be careful not to damage Hook.

The cabinet-front-top is being

fixed with cabinet-front-bottom by

hook.

1. Remove 2 screws-A. Push part(a) and pull

the Cabinet-front-top up.

2. Remove 4 screws-B and remove the Cabinet

front bottom.

3. Remove 11 screws-C and remove the

Cabinet front.

Refer to Lens replacement and installation

manual.

1. Cabinet-front-top,

Cabinet-front-bottom

and Cabinet-front removal.

2. Cabinet-top removal.

-10-

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 lose

of performance and product safety.

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