Sanyo PLC-XU22E Manuel utilisateur

FILE NO.

Notice

CORRECTION ●PRODUCTION CHANGE

SERVICE FLASH ADD INFORMATION

REVISION-3

Please add this notice to the Service Manual listed below.

NOTE: Match the Service Ref. No. on the unit’s back cover with the Service Ref. No. in the

Service Manual.

If the Service Ref. No. does not match the unit’s, additional Service Literature is

required.This chassis is similar to the Service Ref No. PLC-XU22E-00/PLC-XU22B-00.

Only the Difference Service Information is given in this manual. For detail Service

Information, Refer to the Original Service Manual and Notices for Model PLC-

XU22E/PLC-XU22B.

PRODUCT CODE

(PB6GC) PLC-XU22E: 1 122 069 06

(PB6JC) PLC-XU22B: 1 122 069 08 REFERENCE NO. SM5110055-03

Give complete “Service Ref.No.” for parts

order or servicing, it is shown on the rating

sheet on the cabinet of the projector.

Category : Multi-media Projector Issued Date : December / 2000

PLC-XU22E-04

Model : PLC-XU22E/PLC-XU22B Effective from : Service Ref. No. PLC-XU22B-03

Destination : Europe, Asia, Africa/U.K REF. NO. : SM5110055

-2-

■Specifications

Projector Type Multi-media Projector

Dimensions (W x H x D) 239mm x 90mm x 323mm

Net Weight 4.0 kg

LCD Panel System 0.9”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 6 color system (PAL, SECAM, NTSC, NTSC4.43, PAL-M and PAL-N)

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

Projection Image Size (diagonal) Adjustable from 30” to 300”

Horizontal Resolution 800 TV lines

Projection Lens F1.7 ~ 2.0 lens with f33.2mm ~ 43.1mm Motor zoom and focus

Throw Distance 1.4m ~ 10.8m

Projection Lamp 150watt type

AV Input Jacks RCA Type x 1 (Video, Audio R and L) and DIN 4 pin (S-Video) x 1

Computer Input Jack (VGA) HDB15 Terminal x 1

Control Port Jack DIN 8 pin x 1

Monitor Output Jack (VGA) HDB15 Terminal x 1

Computer Audio Input Jack Mini Jack (stereo)

Audio Output Jack Mini Jack (stereo)

Internal Audio Amp. 1W RMS (monaural)

Built-in Speaker 1 speaker, 40mm x 30mm

Feet Adjustment 0˚ to 10˚

Voltage AC 200 ~ 240V, 50/60Hz

Power Consumption 1.4A (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 650 ±20nm, batteries (2) AA type.

●The specifications are subject to change without notice.

-3-

■Adjustments after Parts Replacement

● : Adjustment necessary ❍ : Check necessary

Convergence Adjustment

R-Convergence adjustment ●●

B-Convergence adjustment ●●

Integrator Lens Adjustment ●

Contrast Adjustment

R-Contrast adjustment ●

G-Contrast adjustment ●

B-Contrast adjustment ●

Output voltage adjustment ●

Pedestal adjustment

R-pedestal adjustment ●

G-pedestal adjustment ●

B-pedestal adjustment ●

Offset adjustment

R-offset adjustment ●

G-offset adjustment ●

B-offset adjustment ●

Video gain adjustment-[CG/MCI]

CG-video gain adjustment ●

MCI-video gain adjustment ●

Video gain adjustment-[AV]

R-video gain adjustment ●

G-video gain adjustment ●

B-video gain adjustment ●

Video center adjustment

R-video center adjustment ●●

G-video center adjustment ●●

B-video center adjustment ●●

PSIG Adjustment ●●

Gamma off video adjustment

CG-gamma off video adjustment ●●

AV-gamma off video adjustment ●●

CG/MCI/AV-video adjustment-1

CG-video adjustment ●●

R-video adjustment ●●

B-video adjustment ●●

CG/MCI/AV-video adjustment-2

CG-video adjustment ●●

MCI-video adjustment ●●

AV-video adjustment ●●

S/H clock adjustment ●●

Common center adjustment

R-common center adjustment ●●●

G-common center adjustment ●●●

B-common center adjustment ●●●

White balance adjustment

CG-white balance adjustment ❍❍❍ ❍❍❍

MCI-white balance adjustment ❍❍❍ ❍❍❍

AV-white balance adjustment ❍❍❍ ❍❍❍

Black balance adjustment ❍❍❍ ❍❍❍

White Uniformity Adjustment ❍❍❍ ❍❍❍

Disassembly / Replaced Part

LCD Panel

RG B

Integrator

lens Polarized glass

RGB

Main Comp. Board

ABCD

Optical AdjustmentsElectrical Adjustments

P.F.C

Board

-4-

■LCD Panel Replacement

● LCD PANEL REMOVAL

1. Remove the cabinet top following to “Mechanical Disassemblies”.

2. Remove 3 screws (A) by using 2.0mm hex driver, and then pull the prism/panel ass’y out from the optical base.

3. Remove 4 screws (B) to take off the LCD panel from the prism/panel ass’y.

When the LCD panel is replaced, it is required to re-adjust the white balance, convergence and common center

adjustments, and white uniformity adjustment if required. (Refer to the Optical and Electrical adjustments.)

Caution: Do not remove 3 panels (R,G,B) at the same time as it is necessary the standard panel for adjustment.Do

not fasten the screws with excessive force when mounting the LCD panel, otherwise focus adjustment

may be shifted.

COMBINATION-(1)

COMBINATION-(2)

PART NO. SERVICE PART NO.

R-LCD PANEL LCX029CRT-7 645 043 4228

G-LCD PANEL LCX029CST-8 645 043 4211

B-LCD PANEL LCX029CRT-6 645 043 4235

PART NO. SERVICE PART NO.

R-LCD PANEL LCX029CST-7 645 043 4259

G-LCD PANEL LCX029CRT-8 645 043 4242

B-LCD PANEL LCX029CST-6 645 043 4266

Prism Ass’y

B-LCD Panel

G-LCD

Panel

R-LCD

Panel

PART NO.

LOT NO.

Prism Ass’y

LCX029CST-7

0230123

When replacing the LCD panel, confirm the indication of the LCD panel, then replace the correct LCD panel.

Select either combination (1) or (2) when in combine the R, G and B LCD panel.

There is no combination to be used except them.

● NOTE ON LCD PANEL REPLACEMENT

-5-

■Electrical Adjustments

● Service Adjustment Menu Operation

Service Mode

10 15

Video

Version : 1.0

Item Data

10 15

Normal mode Service mode

Adjustment

Item No. Adjustment

Data Value

Item Data

IC302 on the main board-A stores the data for the

service adjustments, and should not be replaced

except for the case of defective device.

If replaced, it should be performed the re-adjustments

following to the “Electrical Adjustments”.

The lamp replacement monitor timer is stored in the

IC302, and it can be confirmed at the item no. 36 of

service mode.

Please note that the lamp replacement monitor timer

is reset when the memory IC (IC302) is replaced.

(Lamp replacement monitor time can not be set to the

previous value.)

● Caution to memory IC replacement

When IC302 is replaced with new one, the CPU writes

down the default data of the service adjustments to

the replaced IC, 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 replacement monitor timer

is reset.

● Caution of Main Board replacement (in the case

IC302 is not defective)

When the main board-A is replaced, IC302 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 replacement monitor timer and

the white uniformity compensation data can be kept

the value as before.

● Memory IC Replacement

To enter the service mode

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

seconds.The service mode display appears on the screen as follows.

To adjust service data

Select the adjustment item no. by pressing the pointer ▲ or ▼button, and change the data value by pressing the

VOLUME + or VOLUME - button.Refer to the “Service Adjustment Data Table” for further description of adjustment

item no. and data value.

To exit the service mode

To exit the service mode, press any of the POWER ON-OFF, MENU, MODE, FOCUS or ZOOM buttons on the

projector or remote control unit.

-6-

Electrical Adjustments

After replacing the Power Board, PF.C.Board, readjust

the Output voltage adjustment as follows.

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

K6C.

2. Adjust the voltage by using VR01 as following.

AC Input Reading

230V 380V ±2V

120V 372V ±2V

Caution:

Be sure to connect the lamp when taking this

adjustment.

OUTPUT VOLTAGE ADJUSTMENT

●Circuit Adjustments

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

following 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/75Ωterminated, 16 steps gray scale or color bar pattern

Computer signal............0.7Vp-p/75Ωterminated, 16 steps gray scale pattern (XGA)

MCI signal * ..................16 steps gray scale pattern from PC Card

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

Note:

* Please refer to “Service Adjustment Menu Operation” for entering to the service mode and adjusting the service

data.

* It is not available the MCI mode for model which does not provide the PC Card slot.

Presetting

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

2. Set to VIDEO mode.

[R-PEDESTAL ADJUSTMENT]

3. Connect an oscilloscope to test point “TP221R” (+)

and chassis ground (-).

4. Enter to the service mode, select item no. “27” and

change data value to adjust the pedestal level and

black level to be same level.

[G-PEDESTAL ADJUSTMENT]

5. Connect an oscilloscope to test point “TP221G” (+)

and chassis ground (-).

6. Select item no. “28” and change data value to adjust

the pedestal level and black level to be same level.

[B-PEDESTAL ADJUSTMENT]

7. Connect an oscilloscope to test point “TP221B” (+)

and chassis ground (-).

8. Select item no. “29” and change data value to adjust

the pedestal level and black level to be same level.

Pedestal level = Black level

PEDESTAL ADJUSTMENT

-7-

Electrical Adjustments

[CG-VIDEO GAIN ADJUSTMENT]

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

2. Set to COMPUTER mode.

3. Connect an oscilloscope to test point “TP2221G” (+)

and chassis ground (-).

4. Enter to the service mode, select item no. “48” and

change data value to adjust “a” to be 1.10 ±0.01Vp-p.

[MCI-VIDEO GAIN ADJUSTMENT] *

5. Receive the 16-step grey scale MCI signal.

6. Set to MCI mode.

7. Connect an oscilloscope to test point “TP2221G” (+)

and chassis ground (-).

8. Enter to the service mode, select item no. “48” and

change data value to adjust “a” to be 1.10 ±0.01Vp-p.

VIDEO GAIN ADJUSTMENT-[CG/MCI]

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

2. Set to COMPUTER mode.

[R-OFFSET ADJUSTMENT]

3. Connect an oscilloscope to test point “TP2211R” (+)

and chassis ground (-).

4. Enter to the service mode, select item no. “45” and

change data value to adjust the pedestal level and

black level to be same level.

[G-OFFSET ADJUSTMENT]

5. Connect an oscilloscope to test point “TP2221G” (+)

and chassis ground (-).

6. Select item no. “46” and change data value to adjust

the pedestal level and black level to be same level.

[B-OFFSET ADJUSTMENT]

7. Connect an oscilloscope to test point “TP2231B” (+)

and chassis ground (-).

8. Select item no. “47” and change data value to adjust

the pedestal level and black level to be same level.

Pedestal level = Black level

OFFSET ADJUSTMENT-[CG]

Pedestal level = Black level

(a)

-8-

Electrical Adjustments

Presetting

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

2. Set to VIDEO mode.

[R-VIDEO GAIN ADJUSTMENT]

3. Connect an oscilloscope to test point “TP2211R” (+)

and chassis ground (-).

4. Enter to the service mode, select item no. “49” and

change data value to adjust “a” to be 1.10 ±0.01Vp-p.

[G-VIDEO GAIN ADJUSTMENT]

5. Connect an oscilloscope to test point “TP2221G” (+)

and chassis ground (-).

6. Enter to the service mode, select item no. “50” and

change data value to adjust “a” to be 1.10 ±0.01Vp-p.

[B-VIDEO GAIN ADJUSTMENT]

7. Connect an oscilloscope to test point “TP2231B” (+)

and chassis ground (-).

8. Enter to the service mode, select item no. “51” and

change data value to adjust “a” to be 1.10 ±0.01Vp-p.

Pedestal level = Black level

(a)

VIDEO-GAIN ADJUSTMENT-[AV]

Presetting

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

2. Set to COMPUTER mode.

[R-VIDEO CENTER ADJUSTMENT]

3. Connect a digital voltmeter to test point “TP511” (+)

and chassis ground (-).

4. Adjust voltage to be 7.30 ±0.05V by using VR501.

[G-VIDEO CENTER ADJUSTMENT]

5. Connect a digital voltmeter to test point “TP512” (+)

and chassis ground (-).

6. Adjust voltage to be 7.30 ±0.05V by using VR531.

[B-VIDEO CENTER ADJUSTMENT]

7. Connect a digital voltmeter to test point “TP513” (+)

and chassis ground (-).

8. Adjust voltage to be 7.30 ±0.05V by using VR561.

VIDEO CENTER ADJUSTMENT

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

2. Set to COMPUTER mode.

3. Connect an oscilloscope to test point “TP2571” (+)

and chassis ground (-).

4. Adjust “a” to be 0.5 ±0.1V by using VR1971 and “b” to

be 10.0 ±0.1V by usingVR1972.

(a) (b)

PSIG ADJUSTMENT

[GAMMA OFF ADJUSTMENT-CG]

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

2. Set to COMPUTER mode.

3. Connect an oscilloscope to test point “TP512” (+) and

chassis ground (-).

4. Enter to the service mode, select item no. “0” and

change data value to adjust “a” to be 1.40 ±0.01Vp-p.

[GAMMA OFF ADJUSTMENT-AV]

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

6. Set to VIDEO mode.

7. Connect an oscilloscope to test point “TP512” (+) and

chassis ground (-).

8. Enter to the service mode, select item no. “0” and

change data value to adjust “a” to be 1.50 ±0.01Vp-p.

GAMMA OFFVIDEO ADJUSTMENT

(a)

-9-

Electrical Adjustments

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

2. Set to COMPUTER mode.

3. Connect an oscilloscope to test point “TP512” (+)

and chassis ground (-).

4. Enter to the service mode, select item no. “3” and

change data value to adjust “a” to be maximum.

(a)

S/H CLOCK ADJUSTMENT

Presetting

1. Input the 16-step gray scale video signal, MCI signal

and computer signal.

[CG/MCI/AV-VIDEO ADJUSTMENT] *

2. Connect an oscilloscope to test point “TP512” (+)

and chassis ground (-).

3. Enter to the service mode, select item no. “15” and

change data value to adjust “b” to be 1.5Vp-p at

each VIDEO, MCI and COMPUTER mode.

4. Select COMPUTER and MCI mode, select item no.

“12” and change data value to adjust “a” to be 4.0

±0.01Vp-p.

5. Select VIDEO mode, select item no.“12” and change

data value to adjust “a” to be 4.0 ±0.01Vp-p.

[R-VIDEO ADJUSTMENT]

6. Connect an oscilloscope to test point “TP511” (+)

and chassis ground (-).

7. Enter to the service mode and select COMPUTER

mode.

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

“a” to be 4.0 ±0.01Vp-p.

9. Select VIDEO mode and item no. “13” and change

data value to adjust “a” to be 4.0 ±0.01Vp-p.

[B-VIDEO ADJUSTMENT]

10.Connect an oscilloscope to test point “TP513” (+)

and chassis ground (-).

11.Enter to the service mode and select COMPUTER

mode.

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

“a” to be 4.0 ±0.01Vp-p.

13.Select VIDEO mode and item no. “14” and change

data value to adjust “a” to be 4.0 ±0.01Vp-p.

(a)

(b)

black level

white level

CG/MCI/AV VIDEO ADJUSTMENT-1

[CG-VIDEO ADJUSTMENT-2]

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

2. Set to COMPUTER mode.

3. Connect an oscilloscope to test point “TP512” (+)

and chassis ground (-).

4. Enter to the service mode, select item no.“15” and

change data value to adjust “b” to be 1.8 ±0.01Vp-p.

[MCI-VIDEO ADJUSTMENT-2] *

5. Receive the 16-step grey scale MCI signal.

6. Set to MCI mode.

7. Connect an oscilloscope to test point “TP512” (+)

and chassis ground (-).

8. Enter to the service mode, select item no. “15” and

change data value to adjust “b” to be 1.8 ±0.01Vp-p.

[AV-VIDEO ADJUSTMENT-2]

9. Receive the 16-step grey scale video signal.

10. Set to VIDEO mode.

11.Connect an oscilloscope to test point “TP512” (+)

and chassis ground (-).

12. Enter to the service mode, select item no. “15” and

change data value to adjust “b” to be 1.8 ±0.01Vp-p.

(a)

(b)

black level

white level

CG/MCI/AV VIDEO ADJUSTMENT-2

-10-

Electrical Adjustments

[CG WHITE BALANCE ADJUSTMENT]

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

2. Set to COMPUTER mode.

3. Enter to the service mode, select item no. “16” (Red)

or “17” (Blue), and change data values respectively

to make a proper white balance.

[MCIWHITE BALANCE ADJUSTMENT] *

4. Receive the 16-step grey scale MCI signal.

5. Set to MCI mode.

6. Select item no.“16” (Red) or “17” (Blue), and change

data values respectively to make a proper white

balance.

[AVWHITE BALANCE ADJUSTMENT]

7. Receive the 16-step grey scale video signal.

8. Set to VIDEO mode.

9. Select item no.“16” (Red) or “17” (Blue), and change

data values respectively to make a proper white

balance.

Confirm that the same white balance is obtained in

video, MCI and computer mode.

WHITE BALANCE ADJUSTMENT

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

2. Set to COMPUTER mode.

[R-COMMON CENTER ADJUSTMENT]

3. Cover the G and B panel to block the light transit.

4. Adjust VR502 to obtain the minimum flicker on the

picture.

[G-COMMON CENTER ADJUSTMENT]

5. Cover the R and B panel to block the light transit.

6. Adjust VR532 to obtain the minimum flicker on the

picture.

[B-COMMON CENTER ADJUSTMENT]

7. Cover the G and R panel to block the light transit.

8. Adjust VR562 to obtain the minimum flicker on the

picture.

COMMON CENTER ADJUSTMENT

[AV BLACK BALANCE ADJUSTMENT]

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

2. Set to VIDEO mode.

3. Enter to the service mode, select item no. “9” (Red)

or “10” (Blue), and change data values respectively

to make a proper white balance at darker part of the

screen.

BLACK BALANCE ADJUSTMENT

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