Sanyo PLC-XP51 Manuel utilisateur

Multimedia Projector

SERVICE MANUAL

(SUPPLEMENT)

PRODUCT CODE

1 122 277 00 (MH5A)

1 122 277 20 (MH5AL)

1 122 285 00 (PH5A)

1 122 285 20 (PH5AL)

1 122 285 02 (PH5C)

1 122 285 22 (PH5CL)

Original Version

REFERENCE NO. SS5110715-00

FILE NO.

Model No. PLC-XP51

PLC-XP51L

U.S.A., Canada,

Europe, Asia, Africa

PLC-XP51

Chassis No. MH5-XP5100

MH5-XP51L00

NOTE: Match the Chassis No. on the unit’s

back cover with the Chassis No. in the

Service Manual.

If the Original Version Service

Manual Chassis No. does not match

the unit’s, additional Service

Literature is required.You must refer to

“Notices” to the Original Service

Manual prior to servicing the unit.

Note:

Model PLC-XP51L does not provide projection lens.

FILE WITH ORIGINAL SERVICE MANUAL (SM5110500)

- NOTE -

Any information not contained in this manual will be found in the original model's service manual

SM5110500-00 for models PLC-XP55 and PLC-XP55L.

■Contents

■Specifications ........................................................................................................3

■Lamp Replacement ..............................................................................................4

■Optical Parts Disassemblies ................................................................................5

■Optical Adjustments ..............................................................................................7

■Adjustments after Parts Replacement ..................................................................8

■Electrical Adjustments ..........................................................................................9

●Circuit Adjustments ....................................................................................9

●Service Adjustment Data Table ................................................................14

●Test Points and Locations ........................................................................26

■Chassis Block Diagrams ....................................................................................27

■Power Supply Lines ............................................................................................32

■Waveforms ..........................................................................................................33

■Control Port Functions ........................................................................................34

■IC Block Diagrams ..............................................................................................36

■Service parts lists ........................................................................................ 37-78

●Electrical parts list ________________________________________ 37

●Mechanical parts list________________________________________ 73

●Optical parts list __________________________________________ 75

Drawings & Diagrams ______________________________________ A1-A17

■Parts description and reading in schematic diagram ____________________ A2

■Schematic diagrams ________________________________________ A3-A10

■Printed wiring board diagrams ________________________________ A11-A16

■Pins description of ICs, transistors, diodes __________________________ A17

- NOTE -

Any information not contained in this manual will be found in the original model's service manual

SM5110500-00 for models PLC-XP55 and PLC-XP55L.

MAJOR CHANGES as below:

- LCD Panels and LCD driving circuit

- Projection Lens

- Optical parts

- Electrical parts (the lamp and the ballast unit)

- fan controls and the I/O expander

-3-

■Specifications

●The specifications are subject to change without notice.

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 stan-

dards against risk of fire, casualty and electrical hazards.

The CE Mark is a Directive conformity mark of the European Community (EC).

Owner’s Manual

AC Power Cord

Wireless/Wired Remote Control Transmitter and Batteries

Remote Control Cable, VGA Cable, USB Cable, Control Cable for Serial port

Protective Dust Cover

Lens Cover (PLC-XP50/XP51)

Lens Attachment (PLC-XP50L/XP51L)

Multi-media Projector

Accessories

1.3" TFT Active Matrix type, 3 panels

19.2 lbs (8.7 kg) PLC-XP50/XP51, 16.3 lbs (7.4 kg) PLC-XP50L/XP51L

12.6" x 6.6" x 16.8" (319 mm x 168 mm x 429.5 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 and Down

800 TV lines (HDTV)

INT. SP. Stereo (R and L), 2 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

300 watt type

Projection Lamp

0˚ to 10.5˚

Feet Adjustment

Power Source : AA, UM3 or R06 Type x 2

Operating Range : 16.4’ (5m) / ±30˚

Dimensions : 2.0” x 1.4” x 7.6” (50mm x 36mm x 193mm)

Net Weight : 0.35 lbs (160 g) (including batteries)

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

Remote Control Transmitter

480i, 480p, 575i, 575p, 720p, 1035i and 1080i

High Definition TV Signal

AC 100 ~ 120 V (5.0 A Max. Ampere), 50 / 60 Hz

(The U.S.A and Canada)

AC 200 ~ 240 V (2.5 A Max. Ampere), 50 / 60 Hz

(Continental Europe and The U.K.)

Voltage and

Power Consumption

H-sync. 15 ~ 100 KHz, V-sync. 50 ~ 100 Hz

Motorized Lens Shift

DVI Terminal (Digital) HDCP Compatible, HDB 15-pin Terminal (Analog)

and Stereo Mini Type Jack (Audio)

Input 1/Monitor Output Jacks

BNC Type x 5 (G or VIDEO/Y, B or Cb/Pb, R or Cr/Pr, H and V),

Stereo Mini Type Jack (Audio)

Input 2 Jacks

RCA Type x 3 (VIDEO/Y, Cb/Pb and Cr/Pr), RCA Type x 2 (Audio R and L)

and DIN 4-pin (S-Video)

Input 3 Jacks

DIN 8-pin (Control port), USB port (Series B receptacle), Wired Remote Jack

and PJ-Net Organizer Connector

Other Jacks

Adjustable from 31" to 400"

Projection Image Size (Diagonal)

F1.8 ~ 2.1 lens with f=48.4 mm ~ 62.8 mm Motor zoom and focus

Projection Lens

4.6' (1.4 m) ~ 47.3' (14.4 m)

Throw distance

-4-

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

shatter and cause injury.

Procedure

1Turn off the projector and disconnect the AC cord. Allow the projector to

cool for at least 45 minutes.

2Loosen 2 screws with a screwdriver and open the lamp cover.

3Loosen 2 screws and pull out the lamp assembly by grasping the handle.

4Replace the lamp assembly securely and tighten 2 screws.

5Close the lamp cover and tighten 2 screws.

6Connect the AC cord to the projector and turn on.

Note:

- Do not reset the Lamp Replace Counter, except after lamp is replaced.

- The projector can not be turned-on with lamp cover removed, because

when the lamp cover is removed, the interlock switch is also released to

switch off the mains power for safety.

7Reset the Lamp Replace Counter, see below explanation.

■Lamp Replacement

1Turn the projector on, and press the MENU button

and the on-screen menu will appear. Press the POINT

LEFT/RIGHT buttons to move a red frame pointer to

SETTING menu icon.

2Press the POINT DOWN button to move a red frame

pointer to “Lamp counter reset” and then press the

SELECT button. The message “Lamp replace counter

reset?” is displayed. Move the pointer to [Yes] and the

press the SELECT button.

3Another confirmation dialog box appears and select

[Yes] to reset Lamp Replace Counter .

Please refer to the owners manual for further informa-

tion.

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”.

The LAMP REPLACEMENT indicator will illuminate

when the Lamp Replace Counter reaches 1500

hours. This is to indicate that lamp replacement is

required.

You can check the lamp replace counter following to

below procedure.

1Press and hold the POWER button on the projector or

the remote control unit for more than 20 seconds.

2 The Lamp replace Counter service menu appears

on the center of the screen briefly.

Remark :

The upper display "Projector Counter" is not reset by

resetting Lamp Replace Counter.

Lamp cover

Lamp replace counter data

ORDER REPLACEMENT LAMP

Type No.Service Parts No.

POA-LMP81 610 314 9127

How to reset Lamp Replace Counter

How to check Lamp Replace Counter

Screws

Handle

Lamp Assembly

* The replacement lamp is changed.

-5-

Note:

Do not replace the LCD panel

separately otherwise it can

not obtain proper picture.

KEY No. DESCRIPTION

LCD Panel/Prism Assembly

LCD PANEL

(GREEN)

LCD PANEL

(BLUE)

LCD PANEL

(RED)

1245

2345

3245

Phase Sheet

(*2)

TOP VIEW

1PRISM ASSEMBLY

2POLARIZED GLASS OUT

3PRE-POLARIZED GLASS OUT(*2)

4WIDE VIEW GLASS

5LCD PANEL

(*2) PRE-POLARIZED GLASS

The glass should be placed the sheet attached

side comes as shown in Fig.4-3.

Fig.4-3

* Following assemblies differ from previous assemblies for chassis No. MR3-XP5500, others are the same;

- The direction of the phase sheet on the pre-polarized glass is changed.

1Remove 4 hex screws Aand take the LCD/Prism ass’y off upward.

2Remove 3 screws B and take the Glass Holder, and then pull the polarized

Glass-Out and the wide view glass upwards off. These glasses are mount-

ed for R, G and B LCD panels respectively.

Note:

To avoid the CG and focus alignments slipping off, please be careful to han-

dle the LCD/Prism ass'y.

LCD Panel/Prism Ass’y

Fig.4-1

Polarized Glass-Out and Wide view Glass removal

*2 Glasses should be placed as the

sheet attached side comes as

shown in Fig.4-3. Fig.4-2

Pre-Polarized

Glass-Out (*1)

Phase Sheet

Wide view Glass

Phase Sheet

Polarized Glass-

Out

*1 Pre-polarized Glass-

Out should be placed

into the Green and

Blue LCD panels.

Phase Sheet (*1)

■Optical Parts Disassemblies

-6-

Optical Parts Disassemblies

1Remove each hex screw and pull the Polarized Glass-In ass’y upward.

2Remove a stopper and take the glass off upward.

Optical Filter

Polarized Grass

1AV4Z15***

Part No.

Film side

Polarized Glass-In and Optical Filter-In(WV) removal

Fig.1-1Fig.1-2

* Following assemblies differ from previous assemblies for chassis No. MR3-XP5500 others are the same;

- The optical filters are added.

Polarized Grass

1AV4Z15***

Part No.

Film side

Fig.1-3

RED & GREEN

BLUE

RED

GREEN

-7-

Optical Filter(WV)

Polarized Glass

Fig.1-1

Polarized glass

mounting base

■Optical Adjustments

Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the “Mechanical

Disassemblies”

Adjustments require a 2.0mm hex wrench and a slot screwdriver.

Note: Do not disconnect connectors K8L, K8X, K8D, K8G and K8E on the main board, because the projector can

not turn on due to operate the power failure protection.

Fig.1-2

Fig.1-3

[Before Adjustment]

- Input a 100% of black raster signal.

[R/G/B-CONTRAST ADJUSTMENT]

1Loosen a screw A(Fig.1-1) on the polarized glass mounting base which

you intend to adjust.

2Turn the polarized glass mounting base with knob Bas shown in Fig.1-2

to obtain the darkest brightness on the screen. (The polarized glass and

optical filter move together.)

3Turn the optical filter mounting base with knob Cas shown in Fig.1-3 to

obtain the black color uniformity on the screen.(Move only the optical filter.)

4Tighten the screw Ato fix the polarized glass mounting base.

Repeat steps 1 to 4 for remaining R, G or B contrast adjustment.

Note : Blue contrast adjustment

The 3rd step may be ignored because of no optical filter(WV).

Contrast adjustment

* Following adjustment differs from previous adjustment for chassis No. MR3-XP5500 others are the same;

- Contrast adjustment

-8-

● :Adjustment necessary ❍ :Check necessary

■Adjustments after Parts Replacement

Condenser lens adjustment ❍●

Relay lens adjustment ❍●

Contrast Adjustment

R-Contrast adjustment ●

G-Contrast adjustment ●

B-Contrast adjustment ●

Output voltage adjustment ❍

+16 V adjustment ❍

Fan output voltage adjustment ●●

NRS adjustment ●

Video center adjustment ●

PC black level adjustment ●

PC pedestal adjustment ●

PC gain adjustment ●

PC signal offset adjustment ●

Video A/D reference voltage top & bottom adj. ●

Video pedestal adjustment ●

Video gain adjustment ●

Video signal offset adjustment ●

Component pedestal adjustment ●

Component A/D reference voltage top adjustment ●

Component gain adjustment ●

RGB pedestal adjustment ●

RGB A/D reference voltage top adjustment ●

RGB gain adjustment ●

Common center adjustment ●●

PC white balance adjustment ❍❍

Video white balance adjustment ❍❍

Disassembly / Replaced Parts

LCD/

Prism

Ass’y

Condenser

Lens

Polarized glass

RGB

Optical Adjustments

Electrical Adjustments

Sub

Power

Board

Main

Board

Relay

Lens

Power

Board

* Following adjustment differs from previous adjustment for chassis No. MR3-XP5500 others are the same;

- Electrical adjustments

-9-

●Circuit Adjustments

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

ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per-

formance and product safety.

■Electrical Adjustments

[Adjustment Condition]

●Input signal

Video signal .......................... 1.0Vp-p/75Ωterminated, 16 steps gray

scale, white 100% and black 0% pat-

tern (Composite video signal)

Computer signal .................... 0.7Vp-p/75Ωterminated, 16 steps gray

scale pattern (XGA)

Component Video signal........ 0.7Vp-p/75Ωterminated, 16 steps gray

scale, white 100% and black 0% pat-

tern (480i format)

RGB Video signal .................. 0.7Vp-p/75Ωterminated, 16 steps gray

scale, white 100% and black 0% pat-

tern (480p format)

●Picture control mode ................ “STANDARD” mode unless otherwise noted.

Note:

* Please refer to “Service Adjustment Menu Operation” in the original model's service manual for entering to the

service mode and adjusting the service data.

White 100% Black 100%

After replacing the Power Board readjust the Output

voltage adjustment as follows.

1. Connect a digital voltmeter to pin 1 (+) of K6A and

chassis ground (-).

2. Adjust the voltage by using VR601 on the power

board as following.

AC Input Reading

230V 370 ±2Vdc

or 120V 356 ±2Vdc

Caution:

Be sure to connect the lamp when taking this adjust-

ment.

zOutput voltage adjustment

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

Input 3 [VIDEO] mode.

2. Connect a digital voltmeter to pin 3 (+) of CN6A and

chassis ground (-).

3. Adjust the voltage to be 16.0 ±0.1Vdc by using

VR681 on the power board.

x+16V adjustment

16 steps gray scale pattern

Note:

The Power Board for replacing is already adjusted in

the factory, so it is not required to perform readjust-

ment of item1 and 2.

1. Enter the service mode.

2. Connect a digital multimeter to test point “TPFN❊”(+)

and chassis ground (-). (as shown below)

3. Select group no. “11”, item no. “24”and change data

value of the fan number. (as shown below)

4. Select item no.“41”and change data value to adjust

the fan max. output voltage to be 14.0 ±0.1V.

5. Select item no.“42”and change data value to adjust

the fan min. output voltage to be A±0.1V.(as shown

below)

6. Each fan should be adjusted refer to item 2 - 5.

Note:

The location of each fan is refer to page-__ "Fans

Location".

cFan Voltage adjustment

FAN No. Group/Item Data Test point A Voltage

FN901 11 / 24 0 TPFN1 6.5

FN902 11 / 24 0 TPFN1 6.5

FN903 11 / 24 2 TPFN3 6.0

FN904 11 / 24 5 TPFN4 6.0

FN905 11 / 24 1 TPFN5 6.5

FN906 11 / 24 4 TPFN6 6.0

FN907 11 / 24 3 TPFN7 6.0

* Following information differs from the chassis

No. MR3-XP5500, others are the same;

- the electrical adjustments.

-10-

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

Input 1 [RGB(Analog)] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPNRS”(+)

and chassis ground (-).

4. Select group no. “5”, item no. “4”and change data

value to adjust amplitude “a”to be 2.0 ±0.1V.

5. Select item no. “3”and change data value to adjust

amplitude “b”to be 7.0 ±0.1V.

(a)

(b)

GND

vNRS adjustment

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

Input 1 [RGB(Analog)] mode.

2. Enter the service mode.

3. Connect a digital voltmeter to test point “TPV1G”(+)

and chassis ground (-).

4. Select group no. “5”, item no. “5”and change data

value to adjust the voltage to be 6.50 ±0.1Vdc.

5. Connect a digital voltmeter to test point “TPV1B”(+)

and chassis ground (-).

6. Select item no. “6”and change data value to adjust

the voltage to be 6.50 ±0.1Vdc.

7. Connect a digital voltmeter to test point “TPV1R”(+)

and chassis ground (-).

8. Select item no. “7”and change data value to adjust

the voltage to be 6.50 ±0.1Vdc.

9. Connect a digital voltmeter to test point “TPV2G”(+)

and chassis ground (-).

10. Select group no. “5”, item no. “8”and change data

value to adjust the voltage to be 7.50 ±0.1Vdc.

11. Connect a digital voltmeter to test point “TPV2B”(+)

and chassis ground (-).

12. Select item no. “9”and change data value to adjust

the voltage to be 7.50 ±0.1Vdc.

13. Connect a digital voltmeter to test point “TPV2R”(+)

and chassis ground (-).

14. Select item no. “10”and change data value to adjust

the voltage to be 7.50 ±0.1Vdc.

bVideo center adjustment

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

Input 1 [RGB(Analog)] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TP35G”(+)

and chassis ground (-).

4. Select group no. “5”, item no. “0”and change data

value to adjust amplitude “a”to be 10.0 ±0.1V.

3. Connect an oscilloscope to test point “TP35B”(+)

and chassis ground (-).

4. Select item no. “1”and change data value to adjust

amplitude “a”to be 10.0 ±0.1V.

3. Connect an oscilloscope to test point “TP35R”(+)

and chassis ground (-).

4. Select item no. “2”and change data value to adjust

amplitude “a”to be 10.0 ±0.1V.

(a)

black level

nPC black Level adjustment

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

Input 1 [RGB(Analog)] mode.

2. Enter the service mode.

3. Select group no. “500”, item no. “0”and change data

value to adjust the green noise on the white 0% area

of screen to the first point of the deepest green.

4. Select item no. “1”and change data value to adjust

the blue noise on the white 0% area of screen to the

first point of the deepest blue.

4. Select item no. “2”and change data value to adjust

the red noise on the white 0% area of screen to the

first point of the deepest red.

mPC pedestal adjustment

Electrical Adjustments

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