Sanyo PLC-XF46N Manuel utilisateur

FILE NO.

SERVICE MANUAL

REFERENCE NO. SM5110783-00

PRODUCT CODE :

PLC-XF46N KF6A 1 122 342 00 U.S.A., Canada

PLC-XF46E LF6A 1 122 343 00 Europe, Asia, Africa

PLC-XF46E LF6C 1 122 343 02 U.K.

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. KF6-XF46N00

LF6-XF46E00

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-XF46N

U.S.A., CANADA

PLC-XF46E

Europe, U.K.

(Projection lens is optional.)

Original Version

TENTATIVE

- 2 -

■Contents

■Contents ..................................................................................................................2

■Safety Instructions...................................................................................................3

■Specifications ..........................................................................................................4

■Circuit Protections ...................................................................................................5

■Lamp Replacement .................................................................................................9

■Maintenance and Cleaning....................................................................................13

■Mechanical Disassemblies ....................................................................................15

■Optical Unit Disassemblies....................................................................................39

■Optical Parts Location and Direction .....................................................................50

■Troubleshooting.....................................................................................................53

●No Picture ...................................................................................................53

●No Power ....................................................................................................58

●No Audio Output..........................................................................................62

●Temperature Abnormality............................................................................63

●Power Lens System Abnormality ................................................................64

●Lamp Abnormality .......................................................................................65

■Optical Adjustments .............................................................................................66

●Adjustments After Parts Replacement (Optical parts).................................66

■Electrical Adjustments ...........................................................................................77

●Adjustments After parts Replacement (Electrical Parts) .............................77

●Service Adjustment Menu Operation ..........................................................78

●Circuit Adjustments .....................................................................................79

●Service Mode Adjustment Menu .................................................................84

●Service Adjustment Data Table...................................................................86

■Waveforms ............................................................................................................94

■Control Port Functions...........................................................................................95

■IC Block Diagrams...............................................................................................101

■Mechanical and Optical Parts List .......................................................................109

■Electrical Parts List..............................................................................................121

Drawings & Diagrams ............................................................................ A1-A25

■Parts description and reading in schematic diagram .......................................... A2

■Block Diagrams ....................................................................................................A3

■Schematic Diagrams ....................................................................................A4-A14

■Printed Wiring Board Diagrams.................................................................. A15-A24

■Pins description of ICs, transistors, diodes ........................................................ A25

- 3 -

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 person-

nel 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

provided 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, adjust-

ment 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(approx. 8kV) 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, therefore, particularly recommended that the replacement of there

parts must be made by exactly the same parts.

■Safety Instructions

CAUTION

RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.

DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.

CAUTION

Not for use in a computer room as defined in the Standard for the Protection of Electronic Computer/Data

Processing Equipment, ANSI/NFPA 75.

Ne puet être utillisé dans une salle d’ordinateurs telle que définie dans la norme ANSI/NFPA 75 Standard for

Protection of Electronic Computer/Data Processing Equipment

Owner’s Manual (CD-ROM)

Quick setup manual

AC Power Cord

Wireless/Wired Remote Control Transmitter and Batteries

Remote Control Cable

VGA Cable

6 Types Light-Block Sheet (For option lens)

2 Types Lens Attachment (For option lens)

Real Color Manager Pro

Accessories

1.8" TFT Active Matrix type, 3 panels

Multi-media Projector

80.3 lbs (36.5 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

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

Operating Temperature

Storage Temperature

LCD Panel System

300 watt type x 4

Projection Lamp

0˚ to 5.7˚

Feet Adjustment

Power Source : AA or R06 Type x 2

Operating Range : 16.4’ (5m) / ±30˚

Dimensions : 1.97” x 1.06” x 6.61” (50mm x 27mm x 168mm)

Net Weight : 4.4 oz (126 g) (including batteries)

Remote Control Transmitter

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

High Definition TV Signal

AC 120 V (16 A Max. Ampere), 50 / 60 Hz

(The U.S.A and Canada)

AC 200 ~ 240 V (9.0 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 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

●The specifications are subject to change without notice.

●LCD panels are manufactured to the highest possible standards. Even though 99.99% of the pixels are effective, a tiny

fraction of the pixels (0.01% or less) may be ineffective by the characteristics of the LCD panels.

This symbol on the nameplate means the product is Listed by Underwriters Laboratories

Inc. It is designed and manufactured to meet rigid U.L. safety standards against risk of

fire, casualty and electrical hazards.

The CE Mark is a Directive conformity mark of

the European Community (EC).

- 4 -

■Specifications

This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro-

jector, it will automatically turn off by operating one of the following protection circuits.

The fuse(F901) is located inside of the projector. When

either LAMP indicator or READY indicator is not lighting,

the fuse may be opened. Check the fuse as following

steps.

The fuse should be used with the following type;

●Fuse

How to replace the fuse

1. Remove the cabinet top following to "Mechanical

Disassemblies".

2. Remove the cover and the fuse from fuse holder.

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

- 5 -

■Circuit Protections

Fuse Part No.: 423 028 4209

TYPE 15.0A400V FUSE

SOC CORP. SHV14 15A N4

Fuse Part No.: 423 033 1804

TYPE 30.0A250V FUSE

SOC CORP. KST2 30A

PLC-XF46E

PLC-XF46N

Fuse (F901)

Cover

Fuse

Holder

● AC Current Sensor

AC current sensor is used only for PLC-XF46E.

The AC Current Sensor is provided to prevent damage to the power supply circuits.

When AC input voltage is under 108V at MAINS SW ON, the AC Current Sensor will be operated and the CPU

does not turn the projector on, and both of READY and WARNING TEMP. indicators start flashing.

Check that the AC current sensor signal is correct. L : Abnormality

Hot circuit

AC-INPUT

MAINS SW NOISE FILTER CURRENT SENSOR

FUSE

SW901 LF901

F901

A903

ASS'Y POWER

K96W

- 6 -

Circuit Protections

Lamp Cover switch

SW902

When the lamp cover is removed or no close com-

pletely, the lamp cover switch (SW902) cuts off

12V_PFC line to the PFC unit, and then a projector

will be shut down.

After opening the lamp cover for replacing the lamp

unit, place the lamp cover correctly, otherwise the pro-

jector can not be turned on.

Lamp Cover

●Lamp cover switch

●Power Failure Protection

Power failure protection diodes detect abnormal voltage on the power supply circuits or the fan operation stop.

When both of the WARNING TEMP. and READY Indicators are flashing:

When the projector detects an internal problem, it will shut down

automatically and both of the WARNING TEMP. and READY Indicators starts

flashing. In this condition, the projector cannot be turned on even if you press

the POWER ON-OFF button on the remote control unit or on the side control.

If this case happened, disconnect and reconnect the AC power cord, and

then turn on the projector again to check its operation. If the projector shuts

down again or fails to be turned on, the internal check and repair will be

required.

Check items listed below;

●Power Failure Protection

●AC Current Sensor (See the previous page.)

●Temperature Check of Lamps

●Lamp Cover Switch

READY

LAMP

REPLACE

WARNING

TEMP.

FRONT INDICATORS

WARNING TEMP.

Indicator

READY

Indicator

WAR NING

TEMP.

READY

LAMP

REPLACE

LAMP

REAR INDICATORS

Temperature switches (SW 903~906)

are arranged near the four lamps.

Temperature switches will operate, if

temperature reaches 110 degrees.

Temperature switches

--- open at 110 degrees.

SW903 ---Lamp1

SW904 ---Lamp2

SW905 ---Lamp3

SW906 ---Lamp4

When temperature switches become

open, they cut off 12V_PFC line to

PFC(power factor control) unit, and

then a projector will be shut down.

●Temperature Check of Lamps

Temperature switch

SW906 (For Lamp4)

Temperature switch

SW905 (For Lamp3)

Temperature switch

SW903 (For Lamp1)

Temperature switch

SW904 (For Lamp2)

- 7 -

Circuit Protections

READY

LAMP

REPLACE

WARNING

TEMP.

When the WARNING TEMP. Indicator is flashing:

The WARNING TEMP. Indicator flashes red to let you know the internal

temperature of the projector exceeds the normal level. If the temperature goes

up further, the projector will be turned off automatically and the Ready indicator

will go out. (The WARNING TEMP. Indicator continues flashing.) After the

cooling-off period, the READY Indicator lights on again and the projector can be

turned on by pressing the POWER ON-OFF button on the remote control unit or

on the side control. When you turn on the projector, the WARNING TEMP.

Indicator will go out.

If the WARNING TEMP. Indicator is still flashing, check items listed below;

●Installation

●Air Filter

●Temperature Monitor System

FRONT INDICATORS

WARNING TEMP.

Indicator

WARNING

TEMP.

READY

LAMP

REPLACE

LAMP

REAR INDICATORS

AIR FILTER

This projector is equipped with cooling fans for protection

from overheating. Pay attention to following to ensure prop-

er ventilation and avoid a possible risk of fire and malfunc-

tion.

- Do not cover vent slots.

- Keep bottom clear any objects. Obstructions may block cooling air.

AIR INTAKE VENTS

EXHAUST VENTS

HOT AIR EXHAUSTED !

Air blown from exhaust vent is hot. When using

or installing a projector, following precautions

should be taken.

●Do not put flammable objects near these vents.

●Keep rear grills at least 3’ (1m) away from any object,

especially heat-sensitive object.

●Do not touch this area, especially screws and metallic

parts. This area will become hot while a projector is used. HOT

● Installation

● Air Filter

- 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 case, 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)

- 8 -

Circuit Protections

■To control the driving power of the cooling fans.

This projector detects internal temperature and automatically controls operating power of cooling fans.

The CPU checks the temperature and atmospheric pressure inside a projector. It checks a temperature using

temperature sensor-IC5801and 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 temperature.

■To shut down the projector.

The CPU checks temperature of Blue polarized glass (PTH901) and inhalation air(IC5801). If each part temper-

ature reaches to abnormal temperature, the CPU will turn off a projector, and will blink WARNING TEMP. indi-

cator at intervals of 0.5 seconds. Cooling fans operate until temperature returns to normal. WARNING TEMP.

indicator will stop blink, if temperature returns to normal.

● Temperature Monitor System

Main Board

A-side

Front side

B-side

Temp. Sensor

IC2541

Temp. Sensor

(Inhalation air)

IC5801

Pressure Sensor

IC886

Temp. Sensor

(Blue polarized glass)

PTH901

Temperature sensors location

Blue polarizer unit

- 9 -

■Lamp Replacement

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

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 MANAGEMENT (before replacement)

- 10 -

LAMP REPLACEMENT

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 Replace Counter".)

NOTE : Do not reset LAMP REPLACEMENT COUNTER when

lamp is not replaced.

BUTTON

SCREWS

LAMP1

LAMP2

LAMP

COVER

Make sure which number of lamp needs to

be replaced on Lamp Status Display.

Figure shows case of replacing LAMP 2.

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 replac-

ing all 4 lamps at a time.

CAUTION : High pressure lamp may explode if improperly handled.

Refer to lamp replacement instructions.

When the life of the projection lamp of this projector

draws to an end, the LAMP REPLACE indicator

lights yellow. If this indicator lights yellow, replace

the lamp with a new one promptly.

The time when the LAMP REPLACE indicator lights

is depending on the lamp mode.

Lamp Replacement

LAMP3

LAMP4

WARNING :

TURN OFF THE UV LAMP BEFORE OPENING

THE LAMP COVER. USE UV RADIATION EYE

AND SKIN PROTECTION DURING SERVICING.

REAR INDICATORS

READY

LAMP

REPLACE

WARNING

TEMP.

WARNING

TEMP.

READY

LAMP

REPLACE

LAMP

FRONT INDICATORS

LAMP REPLACE

INDICATOR

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