Acer P7280, P7280rf, P7270irf, P7290 Schematic

0 (0)

SERVICE MANUAL

P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290

Date

Revise Version

Description

 

 

 

2008.1.24

V1.0

Initial Issue

 

 

 

2008.6.30

V2.0

Add P7280 Refresh/P7270i Refresh

 

 

 

 

 

Add Waveform Download in Chapter 5, add Defaul

2008.10.10

V3.0

Language in Chapter 6, and modify Chapter 4 and

 

 

Appnendix B

 

 

 

 

 

1. Add the “Universal Password Failure” in Chapter 3

2009.05.05

V4.0

2. Revise FW Upgrade Procedure’s method in Chapter 5

 

 

3. Modify the title of 6-6 in Chapter 6

 

 

 

2009.07.31

V5.0

Add P7290 model

 

 

 

Copyright July, 2009 All Rights Reserved P/N: 36.89K01G001

SI :

TSE:

Check:

Approved:

Preface

This manual is applied to P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 projection system. The manual gives you a brief description of basic technical information to help in service and maintain the product.

Your customers will appreciate the quick response time when you immediately identify problems that occur with our products. We expect your customers will appreciate the service that you offer them.

This manual is for technicians and people who have an electronic background. Please send the product back to the distributor for repairing and do not attempt to do anything that is complex or is not mentioned in the troubleshooting.

Notice: The information found in this manual is subject to change without prior notice. Any subsequent changes made to the data herein will be incorporated in future edition.

P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 Service Manual

Copyright July, 2009

All Rights Reserved

Manual Version 5.0

 

P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290

Confidential

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P7270I/P7280/P7270I Refresh/P7280 Refresh/P7290

Comparison List

Parts

P7270I

P7270I Refresh

P7280

P7280 Refresh

P7290

 

 

 

 

 

 

LAMP

 

 

 

 

 

WARNING

35.88E01G002

 

35.88B04G002

 

LABEL

 

 

 

 

 

THERMAL

43.87Y01G001

 

43.89K01G001

 

SWITCH

 

 

 

 

 

 

 

DMD

N/A

 

49.89K01G001

 

BLOWER

 

 

 

 

 

 

 

COLOR

 

 

 

 

 

WHEEL

70.87Y30GR01

70.89K24GR01

70.87Y30GR01

70.89K24GR01

70.8FA16GR01

MODULE

 

 

 

 

 

ENGINE

70.87Y31GR01

 

70.89K16GR01

 

MODULE

 

 

 

 

 

 

 

MAIN BD

70.87Y32GR01

70.87Y43GR01

70.89K17GR01

70.89K25GR01

70.8FA19GR01

MODULE

 

 

 

 

 

I/O BD

70.87Y33GR01

 

70.89K18GR01

 

MODULE

 

 

 

 

 

 

 

BOTTOM

 

 

 

 

 

COVER

70.87Y35GR01

70.89K19GR01

70.8FA18GR01

MODULE

 

 

 

 

 

BACK

 

 

 

 

 

COVER

70.87Y37GR01

 

70.89K20GR01

 

MODULE

 

 

 

 

 

TOP

 

 

 

 

 

COVER

70.87Y38GR01

70.89K21GR01

70.8FA15GR01

MODULE

 

 

 

 

 

LAMP

 

 

 

 

 

DRIVER

70.87Y39GR01

70.87Y42GR01

70.89K22GR01

70.8FA17GR01

MODULE

 

 

 

 

 

INTER-

 

 

 

 

 

LOCK

75.87Y04G001

75.89K01G001

75.8FA03G001

SWITCH

 

 

 

 

 

LAMP

SP.87Y01GC01

SP.89K01GC01

SP.8FA01GC01

MODULE

 

 

 

 

 

LVPS

75.85H15G001

75.88B07G001

75.8FA01GP01

WIRELESS

75.87Y02G002

 

N/A

 

MODULE

 

 

 

 

 

 

 

HANDY

75.87Y15G002

 

N/A

 

DRIVE

 

 

 

 

 

 

 

EXTERNAL

75.87Y11G001

 

N/A

 

ANTENNA

 

 

 

 

 

 

 

LAMP

 

49.87C01G001

 

49.8EA01G001

BLOWER

 

 

 

 

 

 

 

 

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Table of Content

Chapter 1 Introduction

 

Highlight

1-1

Compatible Mode

1-5

Product Overview

1-9

Chapter 2 Disassembly Process

 

Equipment Needed & Product Overview

2-1

Disassemble Top Cover Module

2-2

Disassemble Lamp Module

2-4

Disassemble Wireless Module (only for P7270I/P7270I

 

Refresh)

2-5

Disassemble Top Shielding Module

2-7

Disassemble Zoom Ring and Focus Ring Module

2-10

Disassemble Back Cover Module

2-11

Disassemble Left and Right Cover Module

2-12

Disassemble Front Cover Module

2-13

Disassemble Front Shielding

2-14

Disassemble Main Board Module and I/O Board Module

2-15

Disassemble Shielding Module

2-17

Disassemble LVPS Module

2-19

Disassemble Fan Module

2-21

Disassemble Engine Module

2-22

Disassemble Color Wheel Module

2-24

Disassemble DMD Board and DMD Chip

2-25

Disassemble Lamp Blower Module

2-26

Disassemble ROD Blower Module

2-27

Disassemble ROD Duct Module

2-28

Disassemble System Duct Module

2-29

 

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Disassemble Lamp Driver Module

2-30

Disassemble Lamp Driver Holder (only for P7270I/

 

P7270I Refresh)

2-31

Disassemble Interrupt Switch Module

2-32

Disassemble Elevator Module

2-33

Rod Adjustment

2-34

Re-write Lamp Usage Hour

2-35

Assemble Elevator Module

2-36

Assemble Interrupt Switch Module

2-37

Assemble Lamp Driver Holder (only for P7270I/

 

P7270I Refresh)

2-37

Assemble Lamp Driver Module

2-38

Assemble System Duct Module

2-39

Assemble ROD Duct

2-40

Assemble ROD Blower Module

2-40

Assemble Lamp Blower Module

2-41

Assemble DMD Board and DMD Chip

2-41

Assemble Color Wheel Module

2-42

Assemble Thermal Switch

2-42

Assemble Engine Module

2-43

Assemble Fan Module

2-44

Assemble LVPS Module

2-45

Assemble Shielding Module

2-47

Assemble Main Board Module and I/O Board Module

2-49

Assemble Front Shielding

2-51

Assemble Front Cover Module

2-52

Assemble Left and Right Cover Module

2-53

Assemble Back Cover Module

2-54

Assemble Zoom Ring and Focus Ring Module

2-55

 

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Assemble Top Shielding Module

2-56

 

Assemble Wireless Module (only for P7270I/P7270I Refresh)2-58

 

Assemble Lamp Module

2-60

 

Assemble Top Cover Module

2-61

Chapter 3

Troubleshooting

 

 

LED Lighting Message

3-1

 

Main Procedure

3-2

 

Beep Sound

3-6

Chapter 4 Function Test & Alignment Procedure

 

 

Test Equipment Needed

4-1

 

Service Mode

4-1

 

OSD Reset

4-1

 

Test Condition

4-2

 

Test Inspection Procedure

4-3

 

PC Mode

4-4

 

Video Performance

4-7

 

Optical Performance Measure

4-8

 

Others

4-10

 

WLAN and LAN Signal Test(only for P7270I/P7270I Refresh) 4-11

Chapter 5

Firmware Upgrade

 

 

Equipment Needed

5-1

 

DLP Composer Lite Setup Procedure

5-2

 

USB Driver Upgrade Procedure

5-4

 

Firmware Upgrade Procedure

5-5

 

Waveform Download (for P7280 Refresh/P7270I Refresh

 

 

/P7290)

5-8

 

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Chapter 6 EDID Upgrade

 

EDID Introduction

6-1

Equipment Needed

6-2

Setup Procedure (VGA1, VGA2, DVI)

6-3

EDID Key-In Procedure

6-4

Setup Procedure (HDMI)

6-7

Un-lock SNID and Default Language Reset

 

(for P7280 Refresh/P7270I Refresh/P7290)

6-10

Appendix A

 

Exploded Overview

I

Appendix B

 

Serial Number System Definition

I

PCBA Code Definition

II

Appendix C

 

RS232 function command summary table

I

 

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Chapter 1

Introduction

1-1 Highlight

No

Item

Description

1Dimensions (W x D x H) ● 403.6 (W) x 315.4 (D) x 119.8 (H) mm

P7270I Refresh/P7270I/P7290: 12.2 lbs/5.5 kg

2Weight

P7280 Refresh/P7280: 12.4 lbs/5.6 kg

Air Tunnel Flow

Cooling fans with system optimized acoustic

3

Cooling System

● Temperature control circuits with adaptive fan rotational

 

 

speeds

 

 

● Maximum touch temperature follows UL60950-1

 

 

● Lamp assembly could be changed by customer himself,

4

Lamp Housing

but should read the user manual for instruction in advance.

● Lamp assembly should be provided by Coretronic and

 

 

 

 

distribute through authorized agencies

5

DMD Chip

● TI DMD 0.7" 12° LVDS XGA Digital Mirror Device (DC3)

6

Number of active dots

● 1024 (H) x 768 (V)

 

 

● Universal AC 100 – 240 V ~ 50-60 Hz with PFC input

7

Power Supply

● Variance FAN speed control (Depends on temperature

 

 

variant)

 

 

● P7270I Refresh/P7270I (280W):

 

 

Normal mode: 400W+/-10%@110VAC

 

 

ECO mode: 330W+/-10%@110VAC

 

 

Standby< 5W (without wireless module)

 

 

Standby< 13W (with wireless module)

 

 

(Wireless module stand-by mode < 8W)

8

Power Consumption

● P7280 Refresh/P7280 (330W):

Normal mode: 450W+/-10%@110VAC

 

 

 

 

ECO mode: 380W+/-10%@110VAC

 

 

Standby< 5W (without wireless module)

 

 

● P7290:

 

 

Normal mode: 460W (without wireless module)@110Vac

 

 

ECO mode: 385W (without wireless module)@110Vac

 

 

Standby < 1W (without wireless module)

 

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1-1

No

Item

Description

 

 

● Hsync Frequency 30 k~ 100 kHz

 

 

● Vsync Frequency 56~ 85 Hz (for P7280/P7270I/

 

 

P7280 Refresh/P7270I Refresh)

 

 

● Vsync Frequency 50~ 85 Hz (for P7290)

 

 

● Video Signal RGB (PC)

9

Input signal spec

Analog RGB 0.7Vp-p, 75 ohm, Separate TTL H,V Sync

Analog RGB 1Vp-p, 75 ohm, Sync. On Green signal

 

 

Analog RGB 0.7Vp-p, 75 ohm, Composite TTL Sync.

 

 

● Video

 

 

Composite video 1Vp-p,75 ohm

 

 

S-video Luminance 0.714Vp-p, 75 ohm

 

 

S-video Chrominance 0.286Vp-p, 75 ohm

 

 

Component video 1Vp-p, 75 ohm

 

 

 

 

 

● Standards :

 

 

NTSC: M (3.58MHz), 4.43 MHz

 

 

PAL: B, D, G, H, I, M, N

10

Video Compatibility

SECAM: B, D, G, K, K1, L

 

 

HDTV: 720p, 1080i, 1080p

 

 

EDTV: 480p, 576p

 

 

SDTV: 480i, 576i

 

 

● Two 8-Ohm internal speakers

11

Audio

● 3 Watts

 

 

● Input sensitivity 0.5Vrms

 

 

● 280W for OSRAM E20.6 Lamp @normal operation

 

 

(for P7270I Refresh/P7270I)

12

Lamp

● 330W for Philips Lamp @normal operation

 

 

(for P7280 Refresh/P7280)

 

 

● 350W for Philips Lamp @normal operation (for P7290)

13

Throw Distance

● 1.5m~ 10m

14

Throw Ratio

● 1.57~ 1.89: 1 @ 60”

 

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1-2

No

Item

Description

 

 

● Engineering spec:

 

 

• For P7270I Refresh/P7270I (280W):

 

 

Typical: 3420 lumens

 

 

Minimum: 3040 lumens

 

 

(Compliance with IS021118 criteria)

 

 

• For P7280 Refresh/P7280 (330W):

 

 

Typical: 4050 lumens

 

 

Minimum: 3600 lumens

15

Brightness

(Compliance with IS021118 criteria)

 

 

• For P7290 (350W)

 

 

Typical 4500 ANSI Lumens

 

 

Minimum 4000 ANSI Lumens

 

 

(Compliance with ISO21118 brightness criteria)

 

 

● Marketing spec:

 

 

• 3800 lumens (for P7270I Refresh/P7270I)

 

 

• 4500 lumens (for P7280 Refresh/P7280)

 

 

• 5000 lumens (for P7290)

 

 

● Engineering spec:

 

 

• For P7280/P7270I/P7280 Refresh/ P7270I Refresh:

 

 

2100 : 1 Full White and Black (Typical)

 

 

1500 : 1 Full White and Black (Minimum)

16

Contrast

• For P7290:

2700 : 1 Full White and Black (Typical)

 

 

 

 

1900 : 1 Full White and Black (Minimum)

 

 

● Marketing spec:

 

 

• 2200:1 (P7280/P7270I/P7280 Refresh/ P7270I Refresh)

 

 

• 3150:1 (for P7290)

 

 

● Engineering spec:

 

 

• 60% Japan standard (Minimum) (for P7280/P7270I/P7280

 

 

Refresh/ P7270I Refresh

17

Uniformity

• 65% Japan standard (Minimum) (for P7290)

 

 

• 80% Japan standard (Typical)

 

 

● Marketing spec:

 

 

• >85%

 

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1-3

No

Item

Description

 

 

● Six segments

 

 

● 7200 rpm @ CW 2X

 

 

● 9000 rpm @ CW 3X, PAL 50Hz (for P7270I Refresh/P7280

18

Color Wheel

Refresh/P7290)

 

 

● Segment Angle: R90B82W42C28G90Y28

 

 

(for P7280/P7270I/P7280Refresh/P7270I Refresh)

 

 

Segment Angle: R81Y41G84C31W52B71 (for P7290)

 

 

● for 0~ 2500 ft, 5~ 35 °C

19

Operation temperature

● for 2500~ 5000 ft, 5~ 30 °C

 

 

● for 5000~ 10000 ft, 5~ 25 °C

20

Storage temperature

● -20°C~ 60°C

 

 

● 2000 hours min, 50% survival rate (Normal mode)

21

Lamp life

(for P7280/ P7270I/P7280 Refresh/ P7270I Refresh)

1500 hours min, 50% survival rate (Normal mode) (for P7290)

 

 

 

 

● 2500 hours min, 50% survival rate (Eco mode)

 

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1-4

1-2 Compatible Mode

A.VGA Analog

1.VGA Analog - PC Signal

Compatibility

Resolution

V-Sync [Hz]

H-Sync [KHz]

 

640x480

60

31.50

 

640x480

72

37.90

VGA

640x480

75

37.50

640x480

85

43.30

 

 

720x400

70

31.50

 

720x400

85

37.90

 

800x600

56

35.10

 

800x600

60

37.90

SVGA

800x600

72

48.10

800x600

75

46.90

 

 

800x600

85

53.70

 

832x624

75

49.73

 

1024x768

60

48.40

XGA

1024x768

70

56.50

1024x768

75

60.00

 

 

1024x768

85

68.70

 

1152x864

70

63.80

 

1152x864

75

67.50

 

1152x864

85

77.10

SXGA

1280X1024

60

63.98

 

1280X1024

72

76.97

 

1280X1024

75

79.98

 

1280X1024

85

91.10

QuadVGA

1280x960

60

60.00

1280x960

75

75.23

 

SXGA+

1400x1050

60

65.30

UXGA

1600x1200

60

75.00

 

640x480

66.6(67)

34.93

 

800x600

60

37.90

Power Mac G4

1024x768

60

48.40

 

1152x870

75

68.68

 

1280x960

75

75.00

 

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1-5

Compatibility

Resolution

V-Sync [Hz]

H-Sync [KHz]

 

640x480

60

31.35

 

640x480

66.6(67)

34.93

PowerBook G4

800x600

60

37.90

1024x768

60

48.40

 

 

1152x870

75

68.68

 

1280x960

75

75.00

i Mac DV (G3)

1024x768

75

60.00

2. VGA Analog - Extended Wide timing

Compatibility

Resolution

V-Sync [Hz]

H-Sync [KHz]

 

1280x768

60

47.80

 

1280x768

75

60.30

 

1280x768

85

68.60

WXGA

1280x720

60

44.77

 

1280x800

60

49.64

 

1440x900

60

59.90

 

1680x1050

60

65.29

B.DVI Digital

1.DVI - PC Signal

 

Compatibility

 

Resolution

V-Sync [Hz]

 

H-Sync [KHz]

 

 

 

640x480

60

 

31.50

 

 

 

 

640x480

72

 

37.90

 

 

VGA

 

640x480

75

 

37.50

 

 

 

640x480

85

 

43.30

 

 

 

 

 

 

 

 

 

720x400

70

 

31.50

 

 

 

 

720x400

85

 

37.90

 

 

 

 

800x600

56

 

35.10

 

 

 

 

800x600

60

 

37.90

 

 

SVGA

 

800x600

72

 

48.10

 

 

 

800x600

75

 

46.90

 

 

 

 

 

 

 

 

 

800x600

85

 

53.70

 

 

 

 

832x624

75

 

49.73

 

 

 

 

 

 

 

 

 

 

 

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1-6

Compatibility

Resolution

V-Sync [Hz]

H-Sync [KHz]

 

1024x768

60

48.40

XGA

1024x768

70

56.50

1024x768

75

60.00

 

 

1024x768

85

68.70

 

1152x864

70

63.80

 

1152x864

75

67.50

 

1152x864

85

77.10

SXGA

1280x1024

60

63.98

 

1280x1024

72

76.97

 

1280x1024

75

79.98

 

1280x1024

85

91.10

QuadVGA

1280x960

60

60.00

1280x960

75

75.23

 

SXGA+

1400x1050

60

65.30

UXGA

1600x1200

60

75.00

 

640x480

66.6(67)

34.93

 

800x600

60

37.90

Power Mac G4

1024x768

60

48.40

 

1152x870

75

68.68

 

1280x960

75

75.00

 

640x480

60

31.35

 

640x480

66.6(67)

34.93

PowerBook G4

800x600

60

37.90

1024x768

60

48.40

 

 

1152x870

75

68.68

 

1280x960

75

75.00

i Mac DV (G3)

1024x768

75

60.00

2. DVI - Extended Wide timing

Compatibility

Resolution

V-Sync [Hz]

H-Sync [KHz]

 

1280x768

60

47.80

 

1280x768

75

60.30

 

1280x768

85

68.60

WXGA

1280x720

60

44.77

 

1280x800

60

49.64

 

1440x900

60

59.90

 

1680x1050

60

65.29

 

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1-7

3. DVI - Video Signal

Compatibility

Resolution

V-Sync [Hz]

H-Sync [KHz]

For TWN/USA SKU

 

 

 

480i (NTSC)

720x480(1440x480)

59.94(29.97)

15.734

480p (NTSC)

720x480

59.94

31.469

720p (NTSC)

1280x720

60

44.955

1080i (NTSC)

1920x1080

60(30)

33.716

1080p (NTSC)

1920x1080

60

67.432

For EMEA SKU

 

 

 

576i (PAL)

720x576(1440x576)

50(25)

15.625

576p (PAL)

720x576

50

31.25

720p (PAL)

1280x720

50

37.5

1080i (PAL)

1920x1080

50

28.125

1080p (PAL)

1920x1080

50

56.25

C.HDMI -Digital

1.HDMI - PC Signal and Extended Wide timing: Support above DVI digital timing format.

2.HDMI - Video Signal

Compatibility

Resolution

V-Sync [Hz]

 

H-Sync [KHz]

For TWN/USA SKU

 

 

 

 

480i (NTSC)

720x480(1440x480)

59.94(29.97)

 

15.734

480p (NTSC)

720x480

59.94

 

31.469

720p (NTSC)

1280x720

60

 

44.955

1080i (NTSC)

1920x1080

60(30)

 

33.716

1080p (NTSC)

1920x1080

60

 

67.432

For EMEA SKU

 

 

 

 

576i (PAL)

720x576(1440x576)

50(25)

 

15.625

576p (PAL)

720x576

50

 

31.25

720p (PAL)

1280x720

50

 

37.5

1080i (PAL)

1920x1080

50

 

28.125

1080p (PAL)

1920x1080

50

 

56.25

Horizontal scan rate:

 

31k -100 kHz

Vertical scan rate:

 

 

56k - 85 Hz

 

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1-8

1-3 Product Overview

Projector Outlook

Front /Upper side

Item

Description

Item

Description

1

Control panel

6

Remote control receiver

2

Zoom ring

7

Tilt adjusting wheel

3

Focus ring

8

Elevator button

4

Zoom lens

9

Elevator foot

5Lens cap

 

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1-9

Rear side

Item

Description

Item

Description

1

PC analog signal/HDTV/component

13

VGA IN 1/DVID/HDMI with PC signal

video input connector (VGA IN 2)

 

 

 

2

PC analog signal/HDTV/component

14

USB connector

video input connector (VGA IN 1)

 

 

 

3

DVI input connector (for digit signal)

15

RS232 connector

4

HDMI connector

16

Audio output connector

5

Top cover release button

17

SPDIF output connector

6

KensingtonTM lock port

18

Power socket

7

Horn

19(#)

Wired IR remote input connector

8

YPbPr/YCbCr input connector

20(#)

Antenna

9

Monitor loop-through output

21(#)

Lan (RJ45 Port for 10/100M Ethernet)

connector (VGA-Out)

 

 

 

10

S-Video input connector

22(#)

Audio output connector for wireless

11

Composite video input connector

23(#)

Reset button

12

Audio input connector (VGA IN 2/

24(#)

Power LED for wireless

Component/S-video/Composite signal)

 

 

 

Note: “#” Only for P7270i series.

 

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Control Panel

Item

Function

 

Description

1

RESYNC

Automatically synchronizes the projector to the

input source.

 

 

 

 

 

 

• Press “MENU” to launch the Onscreen display (OSD)

2

MENU

menu, back to the previous step for the OSD menu

operation or exit the OSD menu.

 

 

 

 

• Confirm your selection of items.

3

TEMP

Temp Indicator LED

4

LAMP

Lamp Indicator LED

5

Four directional select

Use

to select items or make adjustments to

keys

your selection.

 

 

 

6

SOURCE

Press “SOURCE” to choose RGB, Component, SVideo,

Composite, DVI, HDTV and HDMI™ sources.

 

 

7

Empowering key

Unique Acer functions: eOpening, eView, eTimer. ePower

8

Infrared transmitter

Sends signals to the projector.

 

 

 

9

POWER

See the contents in “Turning the Projector On Off” section.

 

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Remote Control Layout

 

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Item

Icon

Function

Description

1

 

Infrared

Sends signals to the projector.

 

transmitter

 

 

 

2 (#)

 

Laser pointer

Aim the remote at the viewing screen

3

 

POWER

Refer to the “Turning the Projector On/Off” sec

 

 

 

 

4

 

RESYNC

Automatically synchronizes the projector to the input source.

5

 

FREEZE

To pause the screen image.

6

 

ASPECT RATIO

To choose the desired aspect ratio (Auto/4:3/16:9).

7

 

ZOOM

Zooms the projector display in or out.

 

 

 

Left-/right-click buttons are on the left and right, respectively;

8

 

MOUSE Left/

the center button works as a multidirectional pointer stick. To

 

Right Click

enable this function, an USB cable must be connected to

 

 

 

 

 

projector from your PC.

9

 

VOLUME

Increases/decreases the volume.

10 (#)

 

 

Aim the remote at the viewing screen, press and hold this

 

Laser button

button to activate the laser pointer.

 

 

 

This function is not supported in Japanese market.

 

 

 

Press “SOURCE” to choose from RGB, Component-p,

11

 

SOURCE

Component-i, S-Video, Composite, DVI-D, Video and HDTV

 

 

 

sources.

12

 

HIDE

Momentarily turns off the video. Press “HIDE” to hide the

 

image, press again to display the image.

 

 

 

13

 

MUTE

To turn on/off the volume.

 

 

 

• Press “MENU” to launch the Onscreen display (OSD) menu,

14

 

MENU

back to the previous step for the OSD menu operation or

 

exit the OSD menu.

 

 

 

 

 

 

• Confirm your selection of items.

 

 

Four directional

Use up, down, left, right buttons to select items or make

15

 

select keys

adjustments to your selection.

 

KEYSTONE

Adjusts the image to compensate for distortion caused by

 

 

 

 

tilting the projector.

 

 

 

16

 

LOCATION

Choose the menu location on the display screen.

 

 

 

For computer mode only. Use this button to select the next or

17

 

PAGE

previous page. This function is only available when con-

 

nected

 

 

 

 

 

 

to a computer via a USB cable.

18

 

Empowering

Unique Acer functions: eOpening, eView, eTimer

 

key

Management.

 

 

19

 

COLOR

Press “COLOR” to adjust the color temperature of image.

20

 

CONTRAST

Use the “CONTRAST” option to control the difference

 

between the lightest and darkest parts of the picture.

 

 

 

21

 

VIDEO

To change source to COMPOSITE VIDEO.

22

 

S-VIDEO

To change source to S-Video.

 

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Item

Icon

Function

Description

 

 

 

Press “PIP” to see two screens at the same time. The main

23

 

PIP

screen projection signal uses VGA input by default while the

 

 

 

smaller PIP display uses a secondary video source.

 

 

 

Press “WIRELESS” to display the image which is wirelessly

24 (*)

 

WIRELESS

transmitted from the PC to the projector via the “Acer

 

 

 

eProjection Management” utility. (for wireless model)

25

 

BRIGHTNESS

Press “BRIGHTNESS” to adjust the brightness of the image.

26

 

RGB

Press “RGB” for true-color optimization.

 

 

 

Press “COMPONENT” to change source to Component

27

 

COMPONENT

video.

 

This connection supports YPbPr (480p/576p/720p/1080i) and

 

 

 

 

 

 

YCbCr (480i/576i).

 

 

 

Press “VGA” to change source to the VGA connector. This

28

 

VGA

connector supports analog RGB, YPbPr (480p/576p/720p/

 

 

 

1080i), YCbCr (480i/576i) and RGBsync.

 

 

 

Press “DVI” to change source to DVI. This connection sup-

29

 

DVI

ports digital RGB, analog RGB, YPbPr (480p/576p/720p/

 

 

 

1080i), YCbCr (480i/576i) and HDCP signals.

30

 

HDMI™

To change source to HDMI™.

31

 

KeyPad 0~9

Press “0~9” to input a password in the “Security settings”.

Note: “*” Only for P7270i series.

“#” Japan area is not supported.

 

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Acer P7280, P7280rf, P7270irf, P7290 Schematic

Connecting the Projector

Item

Description

Item

Description

1

Power cord

8

DVI cable

2

VGA cable

9

HDMI cable

3

Composite video cable

10

3 RCA component cable

4

USB cable

11

RS232 cable

5

VGA to component/HDTV adapter

12

Audio cable Jack/RCA

6

S-Video cable

13

SPDIF cable

7

Audio cable jack/jack

14

Audio cable Jack for wired remote

Note: To ensure the projector works well with your computer,please make sure the timing of the display mode is compatible with the projector.

 

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Connecting the Projector for Wireless

Item

Description

Item

Description

1

Power cord

3

Lan cable

2

Audio cable jack

4

Antenna

Note: Only for P7270i

 

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System Block Diagram (for P7270I/P7270I Refresh)

 

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Bottom Cover Dimension

140.00 mm

M3,DEPTH:8mm

82.30 mm

SCALE 1:2

 

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Chapter 2

Disassembly & Assembly Process

2-1 Equipment Needed & Product Overview

1.Screw Bit (+) :107

2.Hex Sleeves 5mm

3.Long Nose Nipper

4.Screw Bit (+) :102

5.Hex Sleeves 7mm

6.Tweezers

7.Projector

*Before you start: This process is protective level II. Operators should wear electrostatic chains.

*Note: 1. If you need to replace the main board, you have to get into service mode and record the lamp usage hour. please refer to section 2-27.

2.The disassembly and assembly process for P7280/P7270I/P72780 Refresh/P7270I Refresh /P7290 is the same. Here, we take P7270i as an example.

 

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2-2 Disassemble Top Cover

Module

1.Rotate the Top Cover Lock counterclockwise (as red arrow).

2.Pull up the Top Cover (as yellow arrow).

3.Unscrew 4 screws and disassemble the

Top Cover Module (as yellow circle).

 

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4.Unscrew 2 screws (as red circle) and disassemble 1 Hinge on each side.

 

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2-3 Disassemble Lamp

Module

1.Unscrew 4 screws (as red circle).

2.Pull up the Lamp Cover from the red square and disassemble Lamp Cover.

3.Unscrew 2 screws (as yellow circle) and disassemble Lamp Module.

 

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2-4 Disassemble Wireless

Module (only for P7270I

/P7270I Refresh)

1.Unscrew 3 screws (as red circle) and disassemble Wireless Cover.

2.Unscrew 1 Nut and 1 Washer (as yellow circle).

 

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