Sanyo PLC-XP50 Manuel utilisateur

Multimedia Projector

SERVICE MANUAL

(SUPPLEMENT)

PRODUCT CODE

1 122 187 00 (MS3AA)

1 122 187 20 (MS3AM)

1 122 188 00 (PS3AA)

1 122 188 20 (PS3AM)

1 122 188 02 (PS3CA)

1 122 188 22 (PS3CM)

Original Version

REFERENCE NO. SS5110575

FILE NO.

Model No. PLC-XP50

PLC-XP50L

U.S.A., Canada,

Europe, Asia, Africa

PLC-XP50

Chassis No. MS3-XP5000

MS3-XP50L00

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-XP50L 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

■Optical parts disassemblies ________________________________________ 4

■Optical adjustments ______________________________________________ 5

●Contrast adjustment ________________________________________ 5

■Adjustments after parts replacement ________________________________ 6

■Electric adjustments____________________________________________ 7-24

●Circuit adjustments ______________________________________ 7-11

●Service adjustment data table______________________________ 12-23

●Test points and locations ____________________________________ 24

■Chassis block diagrams ________________________________________ 25-28

■Power supply lines ______________________________________________ 29

■Troubleshooting ________________________________________________ 27

●No picture ________________________________________________ 27

■Control port functions ____________________________________________ 30

■Waveforms ____________________________________________________ 31

■IC block diagrams ______________________________________________ 32

■Service parts lists ____________________________________________ 33-71

●Electrical parts list ______________________________________ 33-65

●Mechanical parts list ____________________________________ 66-67

●Optical parts list ________________________________________ 68-71

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

-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.

Projector Type Multi-media Projector

Dimensions (W x H x D) 12.6” x 6.6” x 16.8” (319mm x 168mm x 429.5mm)

Net Weight 19.2 lbs (8.7 kg) (PLC-XP50),

16.3 lbs (7.4 kg) (PLC-XP50L)

LCD Panel System 1.3” TFT Active Matrix type, 3 panels

Panel Resolution 1024 x 768 dots

Number of Pixels 2,359,296 (1024 x 768 x 3 panels)

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

High Definition TV SIgnals 480i, 480p, 575i, 575p, 720p, 1035i and 1080i

Scanning Frequency H-sync. 15 ~ 100kHz, V-sync. 50 ~ 100Hz

Projection Lens F 1.8 ~2.1 lens with f=48.4mm ~ 62.8mm motor zoom and focus (PLC-XP50)

Throw Distance 4.6’ ~ 47.3’ (1.4m ~ 14.4m) (PLC-XP50)

Motorized Lens Shift Up and Down

Projection Image Size (Diagonal) Adjustable from 31” to 400”

Horizontal Resolution 800 TV lines (HDTV)

Projection Lamp 300 watt type

Input 1/Monitor Output Jacks DVI Terminal (Digital) HDCP Compatible, HDB 15-pin Terminal (Analog)

and Stereo Mini Type Jack (Audio)

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

and DIN 4-pin (S-Video)

Other Jacks DIN 8-pin (Control port), USB port (Series B receptacle),

Wired Remote Jack and PJ-Net Organizer Connector

Built-in Speakers INT. SP. Stereo (R and L), 2 watts RMS (T.H.D. 10%)

Feet Adjustment 0˚ to 10.5˚

Voltage and AC 100 ~ 120V (5.0A Max. Ampere), 50/60Hz (The U.S.A and Canada)

Power Consumption AC 200 ~ 240V (2.5A Max. Ampere), 50/60Hz (Continental Europe and The U.K.)

Operating Temperature 41 ˚F ~ 95 ˚F (5˚C ~ 35˚C)

Storage Temperature 14 ˚F ~ 140 ˚F (-10˚C ~ 60˚C)

Remote Control Transmitters Wireless/Wired Remote Control, batteries AA, UM3 or R06 Type x 2

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

-4-

■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 has been added.

Polarized Grass

1AV4Z15***

Part No.

Film side

Fig.1-3

RED & GREEN

BLUE

RED

GREEN

-5-

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

-6-

● :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

-7-

●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

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 6.5 ±0.1V.

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

Note:

The location of each fan is refer to the parts list.

cFan voltage adjustment

FAN No. Group/Item

FN901 11 / 24

FN902 11 / 24

FN903 11 / 24

FN904 11 / 24

FN905 11 / 24

FN906 11 / 24

FN907 11 / 24

Data Test point

0TPFN1

2TPFN3

5TPFN4

1TPFN5

4TPFN6

3TPFN7

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.

-8-

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

-9-

1. Receive the 16-step gray scale composite video sig-

nal with Input 3 [Video] mode.

2. Enter the service mode.

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

and chassis ground (-).

4. Select group no. “5”, item no. “17”and change data

value to adjust the voltage to be 0.70 ±0.02Vdc.

⁄0 Video A/D reference voltage (bottom

side) adjustment

1. Receive the black 0% composite video signal with

Input 3 [Video] mode.

2. Enter the service mode.

3. Select group no. “5”, item no. “11”and change data

value to adjust the green noise on the screen to the

deepest green.

1. Receive the white 100% composite video signal with

Input 3 [Video] mode.

2. Enter the service mode.

3. Select group no. “5”, item no. “18”and change data

value to adjust the magenta noise on the screen to

the deepest magenta.

1. Receive the black 0% composite video signal with

Input 3 [Video] mode.

2. Enter the service mode.

3. Select group no. “5”, item no. “12”and change data

value to adjust the blue noise on the screen to the

deepest blue.

4. Select group no. “5”, item no. “13”and change data

value to adjust the red noise on the screen to the

deepest red.

⁄3 Video Cb/Cr pedestal adjustment

⁄1 Video Y pedestal adjustment

⁄2 Video A/D reference voltage (top

side) 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. “4”, item no. “3”and change data

value to adjust waveform “a”to be minimum ampli-

tude.

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

and chassis ground (-).

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

waveform “a”to be minimum amplitude.

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

and chassis ground (-).

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

waveform “a”to be minimum amplitude.

(a)

White Level

,PC gain 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. “4”, item no. “6”and adjust the

amplitude “a”to be 1.5 ±0.1V by changing the Data

value.

(a)

white level

.PC signal offset adjustment

Electrical Adjustments

-10-

1. Receive the 16-step gray scale composite video sig-

nal with Input 3 [video] mode.

2. Enter the service mode.

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

and chassis ground (-).

4. Select group no. “4”, item no. “3”and change data

value to adjust waveform “a”to be minimum ampli-

tude.

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

and chassis ground (-).

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

waveform “a”to be minimum amplitude.

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

and chassis ground (-).

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

waveform “a”to be minimum amplitude.

(a)

White Level

⁄4 Video gain adjustment

1. Receive the black 0% component 480i video signal

with Input 3 [Component] mode.

2. Enter the service mode.

3. Select group no. “5”, item no. “11”and change data

value to adjust the green noise on the screen to the

deepest green.

⁄6 Component Y pedestal adjustment

1. Receive the white 100% component 480i video signal

with Input 3 [Component] mode.

2. Enter the service mode.

3. Select group no. “5”, item no. “18”and change data

value to adjust the magenta noise on the screen to

the deepest magenta.

⁄7 Component A/D reference voltage

(top side) adjustment

1. Receive the black 0% component 480i video signal

with Input 3 [Component] mode.

2. Enter the service mode.

3. Select group no. “5”, item no. “12”and change data

value to adjust the blue noise on the screen to the

deepest blue.

4. Select item no. “13”and change data value to adjust

the red noise on the screen to the deepest red.

⁄8 Component Cb/Cr pedestal adjustment

1. Receive the 16-step gray scale component 480i sig-

nal with Input 3 [Component] mode.

2. Enter the service mode.

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

and chassis ground (-).

4. Select group no. “4”, item no. “3”and change data

value to adjust waveform “a”to be minimum amplitude.

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

and chassis ground (-).

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

waveform “a”to be minimum amplitude.

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

and chassis ground (-).

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

waveform “a”to be minimum amplitude.

(a)

White Level

⁄9 Component gain adjustment

1. Receive the 16-step gray scale composite video sig-

nal with Input 3 [video] mode.

2. Enter the service mode.

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

and chassis ground (-).

4. Select group no. “4”, item no. “6”and adjust the

amplitude “a”to be 1.5 ±0.1V by changing the Data

value.

(a)

white level

⁄5 Video signal offset adjustment

Electrical Adjustments

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