Acer P7280 Manuale utente

SERVICE MANUAL

SI : TSE: Check: Approved:

Date Revise Version Description

2008.1.24 V1.0 Initial Issue

2008.6.30 V2.0 Add P7280 Refresh/P7270i Refresh

2008.10.10 V3.0

Add Waveform Download in Chapter5, add Default

Language in Chapter6, and modify Chapter4 and

AppendixB

P7280/P7270I/P7280 Refresh/P7270I Refresh

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential

Parts P7270I P7270I Refresh P7280 P7280 Refresh

LAMP WARNING LABEL 35.88E01G002 35.88B04G002

THERMAL SWITCH 43.87Y01G001 43.89K01G001

DMD BLOWER N/A 49.89K01G001

COLOR WHEEL MOD-

ULE

70.87Y30GR01 70.89K24GR01 70.87Y30GR01 70.89K24GR01

ENGINE MODULE 70.87Y31GR01 70.89K16GR01

MAIN BD MODULE 70.87Y32GR01 70.87Y43GR01 70.89K17GR01 70.89K25GR01

I/O BD MODULE 70.87Y33GR01 70.89K18GR01

BOTTOM COVER MOD-

ULE

70.87Y35GR01 70.89K19GR01

BACK COVER MODULE 70.87Y37GR01 70.89K20GR01

TOP COVER MODULE 70.87Y38GR01 70.89K21GR01

LAMP DRIVER MODULE 70.87Y39GR01 70.87Y42GR01 70.89K22GR01

INTERLOCK SWITCH 75.87Y04G001 75.89K01G001

LAMP MODULE SP.87Y01GC01 SP.89K01GC01

LVPS 75.85H15G001 75.88B07G001

WIRELESS MODULE 75.87Y02G002 N/A

HANDY DRIVE 75.87Y15G002 N/A

EXTERNAL ANTENNA 75.87Y11G001 N/A

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential III

Preface

This manual is applied to P7280/P7270I/P7280 Refresh/P7270i Refresh 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 Service Manual

Manual Version 3.0

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential

Table of Content

Chapter 1 Introduction

Highlight 1-1

Compatible Mode 1-4

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 Ship 2-25

Disassemble Lamp Blower Module 2-26

Disassemble ROD Blower Module 2-27

Disassemble ROD Duct Module 2-28

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential

Disassemble System Duct Module 2-29

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 Module 2-40

Assemble ROD Blower Module 2-40

Assemble Lamp Blower Module 2-41

Assemble DMD Board and DMD Ship 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 Module 2-51

Assemble Front Cover Module 2-52

Assemble Left and Right Cover Module 2-53

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential

Assemble Back Cover Module 2-54

Assemble Zoom Ring and Focus Ring Module 2-55

Assemble Top Shielding Module 2-55

Assemble Wireless Module (only for P7270i/P7280 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 3-3

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 4-3

  Defectspecicationtable     4-7

Video Performance 4-7

Optical Performance Measure 4-9

Other 4-10

WLAN and LAN Signal Test(only for P7270I/P7270i Refresh)

4-13

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential

VII

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 5-8

Chapter 6 EDID Upgrade

EDID Introduction 6-1

Equipment Needed 6-2

Setup Procedure 6-3

EDID Key-In Procedure 6-3

Setup Procedure (HDMI) 6-7

Default Language Reset 6-10

Appendix A

Exploded Overview I

Appendix B

SerialNumberSystemDenition    II

PCBACodeDenition      III

Appendix C

RS232 function command summary table I

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential 1-1

Chapter 1

Introduction

1-1 Highlight

No Item Description

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

2Weight - P7270i Refresh /P7270i : 12.2 lbs / 5.5 kg

- P7280 Refresh/P7280 : 12.4 lbs / 5.6 kg

3Cooling System

- Air Tunnel Flow

- Cooling fans with system optimized acoustic

- Temperature control circuits with adaptive fan rotational

speeds

- Maximum touch temperature follows UL60950-1

4Lamp housing

- Lamp assembly could be changed by customer himself,

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)

6Number of active dots - 1024(H) x 768(V)

7 Power Supply

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

- Variance FAN speed control (Depends on temperature

variant)

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential 1-2

No Item Description

8Power Consumption

- 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)

- P7280 Refresh /P7280 (330W):

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

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

Standby< 5W (without wireless module)

9 Input signal spec

- Hsync Frequency 31k-100k Hz

- Vsync Frequency 56 ~ 85 Hz

- Video Signal RGB (PC)

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

10 Video Compatibility

- Standards :

NTSC: M (3.58MHz), 4.43 MHz

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

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

HDTV: 720p, 1080i, 1080p

EDTV: 480p, 576p

SDTV: 480i, 576i

11 Audio

- Two 8-Ohm internal speakers

- 3 Watts ( driver 2W)

- Input sensitivity 0.5Vrms

12 Lamp

- 280W for OSRAM E20.6 Lamp @ normal operation (for

P7270i Refresh/ P7270i)

- 330W for Philips Lamp @ normal operation (for P7280 Re

fresh / P7280)

13 Throw Distance - 1.5m – 10m

P7280/P7270I/P7280 Refresh/P7270I Refresh Condential 1-3

No Item Description

14 Throw Ratio - 1.57 – 1.89 : 1 @ 60”

15 Brightness

Engineering spec:

- P7270i Refresh/ P7270i (280W):

Typical: 3420 lumens

Minimum: 3040 lumens

(Compliance with IS021118 criteria)

- P7280 Refresh / P7280 (330W):

Typical: 4050 lumens

Minimum: 3600 lumens

(Compliance with IS021118 criteria)

Marketing spec:

- 3800 lumens

- 4500 lumens

16 Contrast

Engineering spec:

- 2100 : 1 Full White and Black (Typical)

- 1500 : 1 Full White and Black (Minimum)

Marketing spec:

- 2200:1 (Typical)

- 2037 (Minimum)

17 Uniformity

Engineering spec:

- 60% Japan standard (Minimum)

- 80% Japan standard (Typical)

Marketing spec:

- >85% (Typical)

- >75% (Minimum)

18 Color Wheel

- Six segments: R90B82W42C28G90Y28

- 7200 rpm @ CW 2X

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

Refresh)

19 Operation temperature

- for 0 -- 2500 ft, 5 -- 35 °C

- for 2500 -- 5000 ft, 5 -- 30 °C

- for 5000 -- 10000 ft, 5 -- 25 °C

20 Storage temperature - -20°C - 60°C

21 Lamp life - 2000 hours min, 50% survival rate (Normal mode)

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

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