BenQ Sp920 Bedienungsanleitung

Applicable Country & Regions:

All Regions

Product Service Manual – Level 2

Service Manual for BenQ:

Projector/SP920

<9J.0C177.000>

Version: 00c

Date:2009/03/05

Notice:

For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and liability

statements.

Please check BenQ’s eSupport web site, http://esupport.benq.com, to ensure that you have the most

recent version of this manual.

First Edition (May 2008)

Content Index

Abbreviations & Acronyms………………………………………………………….…...3

About This Manual………………………………………………………………….…...4

Trademark…………………………………………………………………………...4

Introduction……………………………………………………………………………...4

Important Service Information………………………………………….……….....4

RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS………4

Safety Notice............................................................................................................…...5

Compliance Statement……………………………………………………….……..5

General Descriptions…………………………………………………………………….5

Related Service Information……………………………………………………………..5

Service Web Site…………………………………………………………………….5

Product Overview………………………………………………………………………..6

Specifications……………………………………………………………………….6

Packing……………………………………………………………………………22

Customer Acceptance……………………………………………………………..30

Level 1 Cosmetic / Appearance / Alignment Service……..……………………..………33

Cosmetic/Appearance Inspection Criteria……………………………………….33

Operational Inspection Criteria.................................................................................34

Software/Firmware Upgrade Process…………………………………………......38

Adjustment / Alignment Procedure………………………………………………54

Level 2 Circuit Board and Standard Parts Replacement…..…………………………….59

Product Exploded View……….………………………………………………..…59

Module 1 – Total Exploded View...……..………..……….…………………59

Module 2 – ASSY UPPER CASE……………………………………………61

Module 3 – ASSY LOWER CASE………………..……………………….....62

Module 4 – ASSY FRONT CASE…….……………………………...……….63

Product Disassembly/Assembly……………...…..…………………………64

Module Assembly Key Point – Optical Engine...……..…………………70

Module Assembly Key Point – Mechanical…………..…….……………80

Block Diagram……………..……………………………….…………………...102

Troubleshooting………………………………………………………………....103

Appendix 1 – Screw List / Torque…………………….…..……………………………111

Appendix 2 – Code List: IR / RS232 / DDC Table………...…………………...…..…...113

Appendix 3 – Ceiling Mount Drawing............………...…………………..…….....…..126

Abbreviations & Acronyms

A/D Analog to Digital

BenQ BenQ Corporation

C/W Color Wheel

CM Concave Mirror

DLP Digital Light Processing / Texas Instruments®

DMD Digital Micro mirror Device

DVI Digital Video Interface

DVI-I Digital Video Interface-Integrated

PL Projection Lens

POM Pond of Mirrors

RS232

Interface Between Data terminal Equipment and

Data Communications Equipment Employing

Serial Binary Data Interchange

SVGA Super Video Graphics Array, A screen resolution

of 800 x 600 pixels.

SXGA Super XGA. A screen resolution of 1280x1024

pixels.

VGA

ideo Graphics Array. A screen resolution of

640x480 pixels.

XGA A screen resolution of 1024x768 pixels.

About This Manual

This manual contains information about maintenance and service of BenQ products. Use this

manual to perform diagnostics tests, troubleshoot problems, and align the BenQ product.

Important

Only trained service personnel who are familiar with this BenQ Product shall perform

service or maintenance to it. Before performing any maintenance or service, the

engineer MUST read the “Important Safety Information”

Trademark

The following terms are trademarks of BenQ Corporation:

BenQ

Other companies, products, or service names may be the trademarks of their respective companies.

Introduction

This section contains general service information, please read through carefully. It should be stored

for easy access place.

Important Service Information

RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS.

The RoHS (Restriction of Hazardous Substance in Electrical and Electronic Equipment Directive) is a

legal requirement by EU (European Union) for the global electronics industry which sold in EU and

some counties also require this requirement. Any electrical and electronics products launched in

the market after June 2006 should meet this RoHS requirements. Products launched in the market

before June 2006 are not required to compliant with RoHS parts. If the original parts are not RoHS

complaints, the replacement parts can be non ROHS complaints, but if the original parts are RoHS

compliant, the replacement parts MUST be RoHS complaints.

If the product service or maintenance require replacing any parts, please confirming the RoHS

requirement before replace them.

Safety Notice

1Make sure your working environment is dry and clean, and meets all government safety

requirements.

2Ensure that other persons are safe while you are servicing the product.

3DO NOT perform any action that may cause a hazard to the customer or make the product

unsafe.

4Use proper safety devices to ensure your personal safety.

5Always use approved tools and test equipment for servicing.

6Never assume the product’s power is disconnected from the mains power supply. Check that it is

disconnected before opening the product’s cabinet.

7Modules containing electrical components are sensitive to electrostatic discharge (ESD). Follow

ESD safety procedures while handling these parts.

8Some products contain more than one battery. Do not disassemble any battery, or expose it to

high temperatures such as throwing into fire or it may explode.

9Refer to government requirements for battery recycling or disposal.

Compliance Statement

Caution: This Optical Storage Product contains a Laser device. Refer to the product specifications

and your local Laser Safety Compliance Requirements.

General Descriptions

This Service Manual contains general information. There are 2 levels of service:

Level 1: Cosmetic / Appearance / Alignment Service

Level 2: Circuit Board or Standard Parts Replacement

Related Service Information

Service Web Site

BenQ Global Service Website: http://support.benq.com/front/benqmain.asp

eSupport Website: http://esupport.benq.com/v2

Product Overview

Specifications:

1.0 Optical Performance

2.0 Image Quality

3.0 Mechanical Specification

4.0 Packaging

5.0 Thermal Specification

6.0 Environmental

7.0 Regulatory

8.0 Reliability

9.0 Power Requirements

10.0 Panel Specification

11.0 Compatibility

12.0 Image Interface

13.0 Control Interface

14.0 User Interface

15.0 Audio

16.0 DC output

17.0 Lamp hour

1.0 Optical Performance Tested under 60” (diagonal) image size with Wide projection lens

position unless other specified.

1.1 ANSI Brightness Minimum 4800 Lumens

Single lamp>1800 lm

1.2 Brightness Uniformity

1.2.1 ANSI Uniformity Minimum 50%

Single lamp > 45%

1.2.2 JBMA Uniformity Minimum 70%

1.2.3 Upper-Down unbalance 0.5~2

1.2.4 Left-Right unbalance 0.6~1.67

1.3 Contrast Ratio

1.3.1 ANSI Contrast Minimum 150:1

1.3.2 FOFO Contrast Minimum 1200:1

1.4 Light Leakage

1.4.1 Light Leakage in Active Area

( Except DMD Defect )

<1.0 lux compared to center point within 60” (Diagonal at 2.0m,

Wide) image size. Note: This light leakage in Active area is only

described as the spot light with obvious shape. It is not included

the uniformity difference of the projector for black pattern.

1.4.2 Light Leakage out of Active

Area

<1.1 lux out of 60” (Diagonal at 2.02m, Wide) image size to 80’’

Diagonal area. (Reference TBD after PVD)

1.5 Color Reference meter: BenQ YM5A/Measurement Center Integral

sphere

1.5.1 White

0.320±0.04

0.355±0.04

1.5.2 Red

0.645±0.04

0.340±0.04

1.5.3 Green

0.340±0.04

0.536±0.04

1.5.4 Blue 0.140±0.04

0.070±0.04

1.6 Color Uniformity X

1.6.1 White 0.040

0.040

1.6.2 Red

0.040

1.6.3 Green 0.040

0.040

1.6.4 Blue 0.040

0.040

2.0 Image Quality

2.1 Throw Ratio 60”±5% Diagonal at 2m, Wide

2.2 Zoom Ratio (tolerance

applied) > 1.15 : 1

2.3 Distortion

2.3.1 Keystone Distortion <1.0%

2.3.2 Vertical TV Distortion <1.0%

2.3.3 Screen distortion l W2-

1 l <6mm , l H2

–

H1 l <6 mm

2.4 Projection Offset 123% ±5%

2.5 Focus Range

2.5.1 Visible Range

1~8 m

2.5.2

Clearly Focus Range 1.5~6 m(Spec. defined as item 2.6)

2.6 Focus

2.6.1 区Pattern (1)If pattern can be uniformly focused, pass!

(2)If not, check 2.6.2

2.6.2 Defocus and Flare

Defocus: R<=3.0; G<=2.5; B<=2.5 pixel

Flare: R<=4.0; G<=3.5; B<=3.5 pixel

Slight flare is not counted as flare.

2.6.3 Focus unbalance Adjust focus

rom near to far until one corner clear, difference less

than 70 cm

2.7 Lateral Color

Center of

60”diagonal area All other area

-G

<2/3

G-B

<2/3

-B

2.8 Image Quality

2.8.1

DMD Image Qualit

2.8.2 Image Imperfection

2.8.3 Image Shadow or Blur

Procedure:

1. 60” (Diagonal at 2m, Wide) image size.

2. Default preset mode “ Dynamic”

3. Full white pattern to check the image.

Let the projector on the desk (don’t move it up/down or left/

right) and just inspect the pattern.

4. Compare to the limit sample of OOB. If blur or shadow worse

than OOB, than NG

3.0 Mechanical Specification

3.1 Dimensions 443 x 167 x 354.7mm(W x H x D)with feet

3.2 Weight 11Kgf

3.3 Security Slot Kensington compatible slot 150N break away force

3.5 Lens Cover Attached lens cover.

3.6 Feet Four adjustable feet.

4.0 Packaging

4.1 Outside Dimensions 570 x 260 x 435mm(

x H x D)

4.2 Gross Weight 12.5 Kgw (Including accessories, projector)

4.3 Palletization 24EA by Air;

864EA @ 40’ container，or 416 EA @ 20’ container by Sea

5.0 Thermal Specification Mechanical component temperature at ambience 0~40℃

5.1 Surface held or touched

for short periods

Normal surface:

Metal < 60°C; Plastic<85°C

Bottom surface: @ 25°C

Metal < 55°C; Plastic<70°C

5.2 Surface which may be

touched

Metal

Plastic

<70°C <95°C

5.3 Exhaust Air <95°C

6.0 Environmental

6.1 Temperature Operating 0~40°C, without condensation

Storage

-20~60°C, without condensation

6.2 Humidity Operatin

10~90%RH, without condensation

Storage

10~90%RH, without condensation

6.3 Audible Noise Level

Typical

Normal mode:37 dBA @ 25°C

Eco mode: 34 dBA @ 25°C

One lamp mode(normal): 35 dBA @ 25°C

Maximum

Normal mode: 39dBA @ 25°C

Eco mode: 36dBA @ 25°C

One lamp mode(Normal):37dBA @ 25°C

6.4 Altitude

Operating:

Without high altitude mode 0°C~35°C @ 0~1499m above sea

level

With high altitude mode 0°C~30°C @ 1500~3000m above sea

level

Non-operating:

30℃@0~12,200m above sea level

7.0 Regulatory

Safety CCC

,CB, cTUVus, TUV-GS, PSB, PSE, GOST-R, TUV,

SASO,eK

EMC

FCC Class B requirements, CE, VCCI, MIC, C-Tick

Marks

Directive 73/23/EEC;

Directive 89/336/EEC

ESD

BENQ ESD Specification

8.0 Reliability

8.1 MTBF 40,000 hours except DMD chip, Color wheel, Lamp, Fan and

Ballast

8.2 Lamp Lifetime Normal : 2,000 hours (50% brightness maintenance)

Eco: 3,000 hours

9.0 Power Requirements

Adhere to Appendix

9.1 Power Supply (Normal) VAC 90

–

264 (50/60Hz),

9.2 Power consumption Typical

805W Max.

Standb

5W Max.

9.3 Power Connector IEC-06

10.0 Panel Specification

10.1 Type Single Chip 0.7” XGA 12°tilt LVDS DMD

10.2 Pixels H: 1024 X V: 768

10.3 Color Depth 24 Bits (16,770,000 colors)

11.0 Compatibility Appendix A3

11.1 PC PC Compatible 640X480 Æ1024X768, compressed 1600X1200;

Composite-Sync; Sync-on-Green; Interlace Mode (8514A);

11.2 Video NTSC/ NTSC4.43/ PAL (Including PA

-M, PAL-N)/ SECAM/

PAL60/

11.3 YpbPr NTSC (480i)/ 480p/ PAL (576i)/ 576p, HDTV (720p/ 1080P)

11.4 DDC DDC 2B

12.0 Image Interface Adhere to Appendix

12.1 Analog RGB Input

15 pin D-Sub (Female) x 1

G(Y): Video amplitude 0.7/1.0 Vp-p : Impedance 75　

RB(CbCr): Video amplitude 0.7 Vp-p : Impedance 75　

HD/VD/CS: TTL Level

12.2 Video Input RCA jack (Yellow)

Video amplitude 1.0 V

: Impedance 75Ω

12.3 S-Video Input

4 pin Mini-Din (Female)

Y: Luminance amplitude 1.0 Vp-p : Impedance 75Ω

C: Chroma amplitude 0.268 V

: Impedance

75Ω

12.4 YPbPr Input 15 pin D-Sub (Female) x 1

Y: Luminance amplitude 1.0 Vp-p: Impedance 75Ω

PbPr/CbCr: Chroma amplitude 0.7 V

: Impedance 75Ω

12.5 DVI-D Input 24 pin DVI-D (Female) x 1

TMDS: LVDS 2.6Vp-p: Impedance 100

12.6 HDMI Input HDMI 1.3 x1 ( HDCP )

12.7 Analog RGB Output 15 pin D-Sub (Female) x 1

G(Y): Video amplitude 0.7/1.0 Vp-p : Impedance 75　

RB(CbCr): Video amplitude 0.7 Vp-p : Impedance 75　

HD/VD/CS: TTL Level

13.0 Control Interface

13.1 IR Receiver IR Receiver x2 (Front, Rear) Angle: ±30°Distance 0~8m

13.2 Serial Connector

RS232 8pin Mini DIN

13.3 USB Connector B Type USB Terminal for page up/down

13.4 Wire Control 2.5mm wire jack for line out

14.0 User Interface Adhere to Appendix

14.1 Operator Keypad

12Keys:

1. Menu/Exit 2. ▲/ Keystone+ 3. Auto 4. ◄

5.Enter 6.►7.Blank 8.▼/ Keystone-

9. Source 10. Power 11. Mode 12. Aspect

14.2 Indicators 3 LEDs:

Power On/Off Status; Lamp Status; Temperature Status

14.3 Electric Keystone

vertical keystone and adjustable range ±25°

15.0 Audio

15.1 Audio Input Φ3.5mm stereo mini jack

500mVrms 10 KΩor more

15.2 Speaker 4Ω5W X 2

16.0 DC output

16.1 DC output DC Power Jack

Output 12V 1A max

17 Lamp hour Lamp hour = [Hour used in Eco. Mode] + 3/2 *[Hour used in

any mode excluded Eco. Mode]

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