BenQ PE8700 User manual

DLP PROJECTOR
SERVICE MANUAL
MODEL：PE8700
CAUTION
BEFORE SERVICING THE PROJECTOR,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Contents
1.SafetyPrecautions 2
2. Servicing Precautions 2
3. Engineering Specification 3
4.SparePartsList 23
5.BlockDiagram 24
6.PackingDescription 25
7. Appearance Description 26
8. Alignment Procedure 28
9. Trouble Shooting Guide 39
10.Factory OSD Operation 49
11.Firmware upgrade procedure 56
12.RS232 Codes 58
13.Schematics 69
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1. Safety Precautions
1. Be sure to read this manual before servicing and save it for future reference.
2. The lamp becomes extremely hot during operation. Allow the projector to cool for
approximately 45 minutes prior to removing the lamp assembly for replacement. Do not
operate lamps beyond the rated lamp life. Excessive operation of lamps beyond the
rated life could cause them to explode on rare occasions.
3. Never replace the lamp assembly or any electronic components unless the projector is
unplugged.
4. To reduce the risk of electric shock, do not disassemble this appliance. Take it to a
qualified technician when service or repair is required. Incorrect re-assembly can cause
electric shock when the appliance is subsequently used.
5. Do not place this product on an unstable cart, stand, or table. The product may fail,
sustaining serious damage.
2. Servicing Precautions
1. When replace the lamp, be sure to avoid burns your fingers because the lamp becomes
too hot.
2. Never touch the lamp bulb with a finger or anything else. Never drop it or give it a shock.
They may cause bursting of the bulb.
3. This projector is provided with a high voltage circuit for the lamp. Do not touch the
electric parts of power unit when turn on the projector.
4. Do not touch the exhaust fan during operation.
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3. Engineering Specification
Superscripts indicate the method in Appendix B used for a given measurement, unless otherwise
noted.
1.0 Image Quality All tests must adhere to the assumptions in Appendix A
1.1 Brightness (In ‘optical test’ mode)
1.1.1 Typical 660 ANSI Lumens
1.1.2 Minimum 450 ANSI Lumens
1.2 Brightness Uniformity (In ‘optical test’ mode)
1.2.1 Typical 73 %
1.2.2 Minimum 60 %
1.3 Contrast Ratio (In ‘optical test’ mode)
1.3.1 Peak Contrast 1400:1 (Minimum)
1.4 Light Leakage
1.4.1 Blue Edge Procedure: Test @ distance 3m with 100% white pattern
Criteria: Color coordinateΔx,Δy≦0.015 (compared with the
center)
1.4.2 Light Leakage out of
ActiveArea
< 1 lux @ diagonal 60”
1.4.3 Reflective Edge Condition: distance 3m or image of 100” wide
Test Pattern: without connecting any source to projector
Criteria: No horizontal and vertical lines outside of the image
1.4.4 Blemish / Dust Test Pattern: Blue 90 with linear de-gamma / Gray 6
Criteria: Follow HD2 DMD image quality specifications
1.5 Color All Color Measurements must adhere to the assumptions in
Appendix A
TBD --PPR final
X Y
1.5.1 100% Gray (White) .274 ± .04 .318 ± .04
1.5.4 Red .647 ± .04 .341 ± .04
1.5.5 Green .304 ± .04 .566 ± .04
1.5.6 Blue .129 ± .04 .080 ± .04
1.6 Color Uniformity20 x y
1.6.1 100% Gray (White)
1.6.2.1 L1->L9 ±.04 ±.04
1.6.2.2 E10->E13 ±.04 ±.04
1.7 Mirror Defects / Dot Defects Dark pixels<=2, bright pixels =0 (See Appendix D)
1.8 Image Distortion Pincushion 1.0%
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Keystone 1.0%
1.9 Descriptive Image Quality There should be no streaks or jitter, good saturated colors, and
crisp resolution. Must adhere to Appendix E
1.10 Lateral Color 1 Pixel
1.11 Screen Size for Testing
1). 52” Diagonal for OPT test;
2). Distance 3.0m for Focus test. ( Tele @ the same Throw
Distance. )
Criteria: Pixel clear ( same as test chart )
2.0 Optical
2.1 Optical Structure Single Chip 0.8” 12° tilt DMD ( HD2 ) from Texas Instruments
(HD2 Front Projection Image Quality Specification described in
Appendix D)
2.2 Projection Lens Manual Zoom & Focus
2.2.2 F/# 2.8
2.2.3 Throw Ratio 100” Diagonal at 3m ( Wide )
2.2.4 Zoom Ratio 1.2 : 1
2.2.5 Focus and flare As following chart:
2.3 Lamp
2.3.1 Maker Ushio
2.3.2 Model NSH 210 MD
2.3.3 Type DC lamp
2.3.4 Lamp Wattage 210 watts
2.3.5 Lamp life 1000 Hours ( Typical )
2.4 Focus Distance 1.5 – 5m
2.5 Keystone Correction
2.5.1 Electronic ± 12°
2.6 Colors 24-bit color
2.7 Native Resolution
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2.7.1 PC Mode 1280 x 720 pixels
2.7.2 Video Mode
1280 x 720 pixels
3.0 Mechanical & Cosmetic
3.1 Dimensions 400L x 347W x 116H
3.2 Weight 16.7 lbs (7581 g)
3.3 Security Slot Kensington compatible slot 150N break away force
3.4 Feet 4 adjustable feet
3.5 Lamp Replace Position Front
4.0 Compatibility Supporting timing: see appendix E
4.1 RGB PC Compatible VGA, SVGA, XGA
4.2 Video Signal Composite, S-Video, Y/CB/CR
4.3 HDTV DTV Y/PB/PR , DTV RGBHV ,DTV DVI-I ( 480P, 1080i, 720P,
576P, 540P)
4.4 Image Inversion Mirror, Upside-down, Mirror Upside-down
4.5 Scaling Scaling from other resolutions to native by O-plusTM scaling
chip
4.6 Aspect ratio ANAMORPHIC, 4x3, LETTER BOX, VIRTUAL WIDE.
5.0 Interface Connectors
5.1 RGB Input DVI x 1 (include 5.2.5)
5.2 Video Input
5.2.1 Composite RCA x 1
5.2.2 S-Video S-Video x 1
5.2.3 Component RCA x 3
5.2.4 Progressive component
and DTV RGBHV
BNC x 5
5.2.5 Digital Video DVI x 1 with HDCP
5.3 RS232C Input Telephone jack
6.0 Electrical
6.1 RGB
6.1.1 Input
6.1.1.1 Amplitude 0.7 ± 0.1 VPP at 75Ωtermination, positive bright
6.1.1.2 Input
Impedance
75Ω
6.1.1.3 Synch TTL compatible
6.1.2 Computer
Compatibility
The unit should be compatible with normal computer formats
ranging from VGA to XGA.
6.1.3 Video Compatibility Don’t use BUBUKAU DVD for test equipment.
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6.2 Control
6.2.1 IR Receivers
6.2.1.1 Location 2receiver, located on the front and rear of this projector
6.2.1.2 Range 8m ( front ) / 5m ( rear ) with 30 degree horizontal Angle and 15
degree vertical angle
7.0 Power Requirements
7.1 Power Supply VAC 100 – 240 Full range switch (50/60Hz), 3 Wire Grounded
7.2 Power Consumption 310W max.
7.3 Power Connector IEC
8.0 Audible Noise Level 34 dB ( Max) @ 25℃sea level
9.0 Thermal
9.1 Surface Metal 60°C
9.2 Surface Plastic 65°C
9.3 Exhaust Air 80°C
9.4 Screws, Terminals 70°C
10.0 Contamination
10.1 Prevention Optical system is closed
10.2 Dust in Optical Path No noticeable dust
11.0 Included Accessories
11.1 Cables Power Cord Set (US, UK, Euro) x 1, VGA Cable (1.8m) x 1,
Projector Common Cable x 1
11.2 Printed Matter User’s manual
11.3 Remote Control IR Remote x 1, AAA Batteries x 2
12.0 User Interface
12.0 Backlight NO
12.1 Operator Panel YES
12.2 Indicators Power Status LED, Lamp Status LED
12.3 Remote Control Front IR receiver , Rear IR receiver
12.4 Onscreen Menu Should be in 3 languages (English, French, Spanish )
12.8 User’s Manual Should be in 3 languages (English, French, Spanish )
13.0 Reliability
13.1 General Failure Def. See Appendix B
13.2 MTBF 20000 hours except for DMD chip , lamp , fans and color wheel.
14.0 Environmental
14.1 Operating 10 – 35°C, 20 – 90%RH, without condensation
14.2 Storage -10 – 70°C, 20 – 90%RH, without condensation
14.3 Altitude 0 – 6000 feet above sea level, ambient 30 ℃
14.4 Shock
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14.4.1 Straight Drop 50mm
14.4.2 Tilt Over Should be able to fall over from tilting without taking any
damage. Must Adhere to Appendix B
14.5 Gas No corrosive, toxic, or combustible gas should be emitted
14.6 Electrostatic Discharge comply to the acceptance criteria as specified in EN
61000-4-2/1995
15.0 Regulatory UL, CE, FCC Class B. Must Adhere to Appendix B Section 10.0
15.1 Safety Requirements UL compliance: UL6500 (2th Version)
CSA compliance: E60065-00
TUV compliance: IEC60065:2001
CCC: GB8898; GB13837; GB17625.1: 1998
15.1 EMI Requirements 1. CE Mark compliance: EMC: 89/336/EEC
EN 55013:1990+A12 :1994+A13 :1996+A14 :1999
EN 61000-3-2:1995+A1 :1998+A2 :1998+A14 :2000
EN 61000-3-3:1995+A1 :2001
EN 55020:1994+A1 :1996+A12/A13/A14 :1999
IEC 61000-4-2/2001
IEC 61000-4-3/2001
IEC 61000-4-4/1995+A1:2000+A2:2001
2. FCC
FCC Part 15B
3. C-Tick
ASIN2S 1053:1996
4. VCCI
VCCI/2002(15th Edition)
16.0 Packaging
16.1 Packaging Form Must adhere to attached file
16.1.1 Dimensions 537 x 520 x 260 mm
16.1.2 Weight TBD
16.1.3 Palletization 1140 x 1050 x 120 mm
16.1.4 Carton Labeling Must adhere to attached file
16.2 Vibration Must adhere to Appendix B
16.3 Drop Test Must adhere to Appendix B
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Appendix A Optical Measurement
This part of the Optical Test Instruction describes those measurements to be executed
during the production of the optical engines.
Content:
A1 BRIGHTNESS
A2 BRIGHTNESS UNIFORMITY
A3 BRIGHTNESS DIFFERENCE
A4 ANSI CONTRAST
A5 PEAK CONTRAST
A6 LIGHT LEAKAGE
A7 IMAGE DISTORTION
A8 THROW RATIO
A9 ZOOM RATIO
A10 FOCUS RANGE
A11 COLOR
A12 COLOR UNIFORMITY
A13 OPTICAL KEYSTONE (FIXED)
 General requirements
1. The unit shall be allowed to stabilize without further adjustment for a
minimum of 10 minutes, at nominal ambient room temperature of 25°C,
before making measurements.
2. Measurements shall take place in a light proof room, where the only source of
illumination is the projector. Less than 1% of the light on the screen shall be
from any source other than the projector.
3. All measurements shall be made on flat screens that do not provide any
advantage to the performance of the unit
4. All measurements shall be made at standard color temperature setting, 100%
white image (per ANSI IT7.228-1997), except where noted
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 Practical consideration
1. When measuring contrast manually, operators should not wear white
clothing since light reflected from white clothing can influence the
measurement.
2. Unless otherwise specified the projection lens is set in the widest zoom
position since zoom function can influence the measurement.
3. Measurement should be performed with Minolta Chromameter, Model
CL-100, or equivalent.
 A1. BRIGHTNESS
Unit: Lumen
Brightness: Default
Contrast:Default
W: width of projected image; H: height of projected image
A (Area) = W * H (in meters)
ANSI Lumens = )()(
9987654321 2
mAlux
LLLLLLLLL ∗
+
+
+
+
+
+
+
+
1
3W1 6W
1
6H
1
3H
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 A2. BRIGHTNESS UNIFORMITY
Unit: %
Brightness: Default
Contrast: Default
Uniformity =
9987654321
)13,12,11,10( LLLLLLLLL EEEEMIN ++++++++
1/20h
1/20w
E10
E12
E11
E13
L5
 A3. BRIGHTNESS DIFFERENCE
Unit: %
Brightness: Default
Contrast:Default
Brightness Difference=
9987654321
))13,12,11,10()13,12,11,10(( LLLLLLLLL EEEEMINEEEEMAX ++++++++ −
 A4. ANSI CONTRAST
Unit: Contrast : 1
Brightness: Default
Contrast:Default
Contrast Ratio shall be determined from illuminance values obtained from a
black-and-white ”chessboard” pattern consisting of 16 equal rectangles. The
white rectangles shall be at 100% gray and the black rectangles at 0% gray.
Illuminance measurements shall be made at the center of each of the rectangles.
Contrast Ratio = Average lux value of the white rectangles/Average lux value
of the black rectangles
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 A5. PEAK CONTRAST
Unit: Contrast : 1
Brightness: Default
Contrast:Default
Contrast Ratio = Lux value at the center of a solid white screen/the lux value
of a solid black screen
 A6. LIGHT LEAKAGE
Unit: Lux
Brightness: Default
Contrast:Default
Leakage = The maximum light leakage of a solid black screen outside the
projected image
 A7. IMAGE DISTORTION
Unit: %
Brightness: Default
Contrast: Default
Measurement procedure:
Measure the dimensions H1, H2 and H3, with H3 at the half image width, as
shown above for both zoom settings. For each the distortion is defined as:
%100*
3*2 3*221 HHHH
distTV
−
+
=−
All should be within the absolute specification tolerance.
 A8. THROW RATIO
Unit: Ratio : 1
Brightness: Default
Contrast:Default
Throw ratio = projection distance / the width of the projected image
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 A9. ZOOM RATIO
Unit: Ratio : 1
Brightness: Default
Contrast:Default
Zoom ratio = maximum / minimum image diagonal size at a fixed projection
distance.
 A10. FOCUS RANGE
Unit: m (Max~Min)
Brightness: Default
Contrast:Default
The minimum/maximum focus distance is the minimum/maximum projection
distance (front side projection lens and the image lane), expressed in meter,
at which the image is still at its best for focus.
 A11. COLOR
Unit: x, y
Measurements at the center (except in the case of color uniformity
measurements) of a screen which is entirely of the color being measured and
at default brightness and contrast settings.
 A12. COLOR UNIFORMITY
Unit: x, y
Difference between any two points out of Lx and Ex should not exceed the
specification for the given color.
 A13. OPTICAL KEYSTONE (FIXED)
Unit: %
Brightness: Default
Contrast: Default
Measure the dimensions W1, W2 and W3 at the half image height, as shown
above. The distortion is defined as:
%100*
331 WWW
distTV − =− & %100*
332 WWW
distTV
−
=−
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Appendix B Design Verification Test Procedure
1.Purpose
This standard establishes the environmental specification for projector related
products, which defines the level of product performance and reliability in the field. It is not
necessary the intent of these specification to simulate a typical user environment, but rather
to provide for a level of product robustness that when applied over a wide range of
manufacturing variability and environmental usage conditions.
2.Test Summary
Dynamic Testing Specification
Package Drop 76cm, 1 drop per orientation, all 6 primary surfaces, plus a selected
corners, and three selected edges, total of 10 drops
Package Vibration Random , 0.01g2/Hz, 5~100Hz, all primary axis, 20 min per orientation,
total of 60min
Sine, 0.5g, 5~200Hz, 1 octave/min, 15 min dwell on each resonant
frequency, all primary axis, one sweep (30min minimum) per orientation,
total of 90+min
Shock, non-operating 50g, 20ms half-sine, all primary axis, 1 shock per orientation, total of 3
shocks
Security Lock 150N break away force
Fragility Shock, 50g, 20ms half-sine, all primary axis, 1 shock per orientation, total
of 3 shocks
Accelerate Life Test (operating), 65 oC, 72hr
Thermal shock(bare board), -65~125 oC, 48hr
Input Voltage, 90~264V
Input RGB signal, 0.7V±0.1
Atmospherics
Temperature/Humidity,
operating
10~35oC/10~80RH, 48hr
Temperature/Humidity,
non-operating
-10~70oC/10~80RH, 48hr
Altitude, operation 0~6000ft@30oC, 4hr
Safety/EMC
UL/cUL
TUV Rheinland
Fcc/CE/C-Tick
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3.Definition
3.1 Failure Criteria:
The product is expected to perform to its full potential without loss of function,
performance, critical parametric changes, and other undesirable anomalies, over the
applied boundaries of this specification. The following product failure are not allowed within
the boundaries defined in this specification:
1.Failure including permanent damage, critical parametic changes (optical
performance defined in Appendix A), and latent defects.
2.Failure requiring operator intervention.
3.Failure violating external laws, regulatory agency standards, and government
directives.
4.Failure resulting in a safety, potential safety, issue.
3.2 EUT: Equipment under Test
3.3 Q: Peak Acceleration Response divided by acceleration input peak
4.Test Order
Atmospherics, Dynamic, and Safety test sets require separate units and can be
processed in parallel. EUT testing shall be performed serially within each set.
Set 1 (3 units) Set 2 (3 units) Set 3
Dynamics: Atmospherics: Safety/EMC:
Package Drop Temperature/Humidity, Operating EFT
Package Vibration Temperature/Humidity,
Non-operating
ESD
Shock Altitude, Operating EMI-Radiated
Bench Drop Aging EMI-Conducted
EMI-Susceptibility
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Appendix C Drawings and Attachments
Drawing 1: Top view of BENQ PE8700 video projector
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Appendix D HD2 Front Projection Image Quality Specification
1. SCOPE
This document specifies the image quality requirements applicable to the HD2 Component
Set for Front Projection image display. The HD2 Component Set provides digital imaging
functionality based on Digital Micromirror Device (DMD) technology.
2. DEFINITIONS
2.1 Blemish
A blemish is an obstruction (dark blemish), reflection, or refraction of light (light blemish)
that is visible, but out of focus in the projected image under specified conditions of
inspection (see Table 1). It is caused by a particle, scratch, or other artifact located in the
image illumination path.
2.2 Dark pixel
A dark pixel is a single pixel or mirror that is non-functional (stuck) in the OFF position.
2.3 Bright pixel
A bright pixel is a single pixel or mirror that is non-functional (stuck) in the ON position.
2.4 Unstable pixel
An unstable pixel is a single pixel or mirror that does not operate in sequence with
parameters loaded into memory. The unstable pixel appears to be flickering
asynchronously with the image.
2.5 Adjacent pixels
Adjacent pixels are defined as sharing a common border or common point.
2.6 Border defects
Border defects are bright blemishes (see 2.1) or bright pixel defects (see 2.3) in the
non-active area that may be visible in front projection mode.
2.7 Blue test screen
This screen is used to test for major dark blemishes and dark pixels. All areas of the screen
are colored at a specific blue level, based on MS Paint 0-255 RGB scale:
Major Dark Blemish
Blue Value 90
Red Value 0
Green Value 0
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2.8 Gray 6 test screen
This screen is used to test light blemishes and bright pixels. All areas of the screen are
colored at a specific gray level, based on MS Paint 0-255 RGB scale:
Major Light Blemish
Blue Value 6
Red Value 6
Green Value 6
2.9 Gray 10 test screen
This screen is used to test light blemishes and bright pixels. All areas of the screen are
colored at a specific gray level, based on MS Paint 0-255 RGB scale:
Major Light Blemish
Blue Value 10
Red Value 10
Green Value 10
2.10 White test screen
This screen is used to test light border blemishes and bright pixels. All areas of the active
area are colored at a specific gray level, based on MS Paint 0-255 RGB scale:
Major Dark Blemish
Blue Value 255
Red Value 255
Green Value 255
2.11 black test screen
This screen is used to test light border blemishes and bright pixels. All areas of the active
area are colored at a specific gray level, based on MS Paint 0-255 RGB scale:
Major Dark Blemish
Blue Value 0
Red Value 0
Green Value 0
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2.12 Red Ramp test screen
This screen is used to test light border blemishes and bright pixels. All areas of the active
area are colored at a specific gray level, based on MS Paint 0-255 RGB scale:
Major Dark Blemish
Blue Value 0
Red Value Start 0,end 255
Green Value 0
3. ACCEPTANCE REQUIREMENTS
3.1 Test Conditions (as tested in OEM projector)
· Projector degamma correction shall be linear. Using HD Control “Curtain” Mode is
equivalent.
· Image noise reduction algorithms “Blue Noise STM” and “Boundary Dispersion” shall be
set to “off”.
· Projector shall be used in front projection mode using a customer-specified screen, and
OEM optical system.
· The diagonal size of the projected image shall be 52 inches (132cm).
· The projected image shall be inspected from a 60 inches (1.52 meter) minimum viewing
distance.
· Projector will be properly focused on the DMD array as shown on the screen.
· Testing time is limited to 20seconds per screen.
· Refer to Table 1 for acceptance criteria, in specified order:
TEST
ORDER
TEST SCREEN ACCEPTANCE CRITERIA
1 Major Dark Blemish Blue 90 No dark blemishes visible on Blue 90
2 Dark Pixel Blue 90
Zoned Screen (see
below figure 1)
0 dark pixels allowed in Zone A
<=2 dark pixels allowed in Zone B
No adjacent dark pixels
3 Border Defects Gray 10 No border defects visible
4 Major Light Blemish Gray 6 No light blemishes visible on Gray 6
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