Acer K10 User manual

Acer K10
Service Manual
100%
Recycled Paper
Date:2008/12/31
K10

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Update History
2008/12/31
First edition completed

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■Safety Instructions

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Conventions
The following conventions are used in this manual
Screen Messages
Denote actual messages that appear on screen.
Note
Give bits and pieces of add itional information
related to he current topic.
W a rning
Alert you any dam a ge that m i ght result form doing or not
doing specific actions.
Caution
Give precautionary measures to avoid possible
hardware or software problems.
Important
Remi nd you doing specific actions relevant to the
accom p lishment of procedures.

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Contents
1 System Introduction ................................................................................................................1
1.1 Technical Specification ................................................................................................ 1
1.2 System Block Diagram................................ ................................ .................................4
2 Firmware Upgraded Flow ................................ .......................................................................5
2.1 Check FW version ................................................................................................ ........5
2.2 Setup Tool/Equipment .................................................................................................5
2.3 Upgrading Procedure ................................................................ ...................................5
3 Machine Disassembly and Replacement ................................................................ ..........10
3.1 Tools................................................................................................ ............................. 10
3.2 Disassembly Procedure.............................................................................................10
3.3 Mechanical Drawing ..................................................................................................16
4 Troubleshooting and Verifying the Repair ................................ ................................ .........17
4.1 Troubleshooting ........................................................................................................17
4.2 Verifying the Repair................................................................ ................................ ....23
5 Connector Information ................................................................................................ .........26
5.1 Main Board .................................................................................................................26
5.2 LED Drive Board ........................................................................................................27
Appendix A: MeasurementmethodandFormula ................................................................ ...........28
1. Bightness measurement ................................................................................................ .28
2. Light uniformity measurement(JBMA) ................................................................ ...........28
3. Light Uniformity(Dark Corner) ........................................................................................28
4. Contrast measurement(JBMA) ................................................................ ......................29
5. TV DISTORTION.............................................................................................................29
Appendix B: Computer Compatibility................................ .........................................................30
Appendix C: Video Compatibility ................................ ................................ ............................... 30
Appendix D: Spare Parts list................................................................ ................................ .......31

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1 System Introduction
1.1 Technical Specification
⊙Display Type
DLP Single Panel Projector
⊙Panel
Type Y 0.45” DMD
*Model NO.
*Size
0.45 inch (single panels)
*Driver Type
DDP 2230
*Pixels (Resolution)
858 x 600
*Pixel Failure
(follow TI spec.)
As shown below, based on “Image Quality
Specification” announced by TI. The attachment is a tentative.
⊙Projection lens
*Fixed focus
*F/No
*Focal length
*Offset
*MTF
*Lateral color
at all field for any two wavelength
image size
F2 (Design value)
17.67 mm
100%+/-5%
>50% @47lp/mm (typical)
<7 µm
30” @ 1.2 m
*Distortion
TV Distortion < 2.5 %
(Definition and measuring method see Appendix 3)
⊙Light source
LED module, PT39, Luminus
⊙Optical system
RTIR System
⊙Brightness
*Bright mode (Default)
90 lumen (typical) , 80 lumens(min)
⊙Contrast Ratio(JBMIA)
800:1(typical),600:1 (minimum)
⊙Optical Compensation
Lens Array
⊙Light Uniformity(JBMIA)
80%(typical), 75%(minimum)
⊙Color uniformity(White)
White |dxy|<=0.02
⊙Throw ratio
1.97(@4:3)
⊙Focus range
0.6 ~ 2.4 Meter (see Projection Diagram)
⊙Screen size
15 ~ 60 inches (see Projection Diagram)

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⊙Sound Noise
@ 25% overlapping 25 degree C: 32dBA; (typical)
@ 50% overlapping 25 degree C: 35dBA (typical)
⊙Color system
24 bits
⊙PC Compatibility
*Horizontal frequency
*Vertical frequency
*Pixel Rate
15 ~ 100 KHz
43 ~ 85 Hz
13 ~ 170MHz
⊙Digital Keystone Correction
Vertical: +/- 20 degree
⊙Other Key Feature
3:2 Pull Down
Progressive Scan
Auto Source Detection
ARC (aspect ratio correction) 1:1/4:3/16:9
Auto Tracking/Sync.
Metal –Plastic Body
⊙Analog RGB Input
Analog: 0.7 Vp-p / 75Ω
Color Level: 0.7 Vp-p / 75Ω
Separate: TTL Voltage Level
1.8 Vrms / 10 KΩ
⊙Video Input
NTSC-M, 4.43
PAL-M, N, B, D, G, H, I
SECAM
⊙I/O Connectors
15 pins D-type Female connector x1
Composite input x1
⊙OSD Language
Chinese(Tradition), Chinese(Simply), English, French, German,
Spanish, Italian, Portuguese, Nederland, Japanese, Korean,
Red means non-standard,
⊙Storage Temperature
-20 ~ 60˚C
⊙Operation Temperature
5 ~ 35˚C
⊙Operation Humidity
35 ~ 85%
⊙Power Requirement
100 ~ 240 V, 50 ~ 60 Hz
⊙Power Consumption
, < 90 W
Standby mode: < 1W ; Green power
⊙Dimension & Weight
*W x D x H
50mm(H) x 125mm(W) x 120mm(D)
*Weight
550g
⊙Accessory
TBD
⊙Regulatory
<North America>
UL 60950-1 1st Edition: 2003,
FCC 47 CFR Part 15 Subpart C Class-B
ANSI C63.4:2003
Industry Canada ICES -003 4th Edition Class B
<Europe>
CE
EN55022: 1998+A1: 2000+A2: 2003 Class-B,
EN60950-1:2001/IEC 60950-1:2001 (+National deviations)
EN61000-3-2 edition 2: 2000
EN61000-3-3: 1995+A1: 2001

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EN55024: 1998+A1: 2001+A2: 2003
-IEC 61000-4-2:1995+A1:1998+A2:2001
-IEC 61000-4-3:2002+A1:2002
-IEC 61000-4-4:1995+A1:2001+A2:2001
-IEC 61000-4-5:1995+A1:2001
-IEC 61000-4-6:2004
-IEC 61000-4-8:1993+A1:2001
-IEC 61000-4-11:1994+A1:2001
<China>
CCC
GB4943-2001, GB9254-1998 Class-B, GB17625.1-2003
<Others>
PSE,
EK
<Environment-related>
Lead-free soldering (including PCB mark ing), RoHS,
WEEE, Vermont's Labeling Law for lamp containing
Mercury

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1.2 System Block Diagram

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2 Firmware Upgraded Flow
This chapter provides the information regarding relevant equipments and upgrading procedure
for firmware upgrade.
Note:
Please check the firmware and composer version before any firmware upgrade procedures.
During firmware download period, please do not shut down PC or projector, this will cause flash
memory’s damage. And need to return the unit to manufacturer for flash memory recovery.
2.1 Check FW version
How to check the firmware version? Please press the button of Power, press “-“ twice, at
last press Menu. You will access the engineering mode and read the firmware version as
below.(This firmware version is just for reference.)
2.2 Setup Tool/Equipment
1. Computer
2. USB Burning Cable (See the picture)
3. Power Cord and AC Adaptor
2.3 Upgrading Procedure
Installing [DLP Composer (TM) Lite]
1. Double-click [DLP Composer Lite v7.1 Setup.exe].

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2. Installation starts. Click [Next] to continue the installation process.
3. On the [License Agreement] screen, move the scroll bar on the right to the bottom,
select [I accept and agree to be bound by all the term s and conditions of this
License Agreement], and click Next to continue the installa tion process.
4. On the Select [Installation Type] screen, select [ALL] and click [Next] to continue the
installation process.
5. When the installation is finished, click [Finish] and reboot the PC. (A shortcut to DLP
Composer(TM) Lite is created on the desktop.)

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USB Support - Installation (All Platforms)
This release includes support for a USB communications interface to DDP2000-based
projectors. The setup program includes the files needed to install USB support (for
Windows 98/Me/2000/XP only ---Win95 and WinNT are not supported). After DLP
Composer™Lite is installed, to install the USB support, choose the "Install DDP2000 USB
Driver" icon under "DLP Composer™Lite" in your Start menu.
Follow the instruction on the screen to press any key and wait for the installation done.
And copy the file “FlashDeviceParameters.txt” into the C: \ Program Files\ DLP Composer
Lite X.X
Operating procedure
1. Connect the Projector and PC via USB cable.
2. Double-click [DLP Composer (TM) Lite]. The following screen will appear.

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3. Select [Edit]/[Preferences]/[Communications] to check USB in [Projector Interface].
4. Click [USB Device Identification].
5. Set the items on the [Vendor 0x451, Product 0x2000 ].
6. Click [OK].
7. Move the cursor to [Flash Loader] on the Project window of [DLP Composer Lite]. (The
[Flash Loader] screen will appear.)
8. Click [Browse] and select where the firmware [xxxxxxxxx.img] is for download.
9. Make sure [Skip Boot Loader Area] is with a check.
10. Press Menu and Power buttons cons tantly withintenseconds after insert the USB Burning
Cable and power Cord. Power LED will start flashing. That indicates the projector is in the
download mode. At this moment, you can release these two buttons.
11. Click [Start Download]. When the dialog box is di splayed, click [Yes].
Put checkmark next to
[Skip Boot Loader
Area]，VALUE SETTING
32KB.
Click [Browse] and
select [*.img]
Click [Start Download]

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12. Wait for the Completion of Burning and then remove Power Cord and Burning Cable.
Click [Yes(是)]

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3 Machine Disassembly and Replacement
3.1 Tools
Item
Photo
Long Nose Nipper
Nipper
Screw Bit(+):2*5*40
Screw Bit(+):2*4*60
Anti-static wrist strap
Anti-static wrist gloves
3.2 Disassembly Procedure
Warning
Put on the Static Electricity Ring when starting for repair.
Repair Environment suggest in Clean-room class 10000. Do not remove Optical
Engine or DMD panel outside the clean room.
While screwing or unscrewing screws, please keep the screwdriver straight.
Keeping screwdriver inclined will damage the screw holes.
Please turn off the power before replacing any parts.

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Step
Figure
Description
1
1. Press the power button
to shutdown the projector
and disconnect the power
cord.
2. Flip the projector and
remove the lens cover.
2
1.
2.
1. Loosen screws
J82035-2510-00*2 as
shown.
2. Loosen the screws
J1635-3673-00*4.
3
Raise the top cover
gently and disconnect the
keypad FFC between the
top cover and mainboard.
J82035-2510-00*2
J1635-3673-00*4

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4
Loosen the four screws
J1635-2901-00*4
to remove the keypad .
5
Remove the Lens Cover
and Lens Ring gently.
6
Loosen the four screws
J1635-A074-00*4 for
moving Bottom Cover.
7
P.1
1. Unplug the LED Drive
Board from Main Board.
2. Remove all LED Wires.
J1635-2901-00*4
Lens Ring
Lens Cover
J1635-A074-00*4

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P.2
8
Loosen the two screws
J1635-A074-00*2 on
LED Drive Board to
remove the Drive Board
Heat sink.
9
1. Unplug Photo Sensor
Wire and Fan Wire
from the Main Board.
2. Loosen the three
screws
J1635-A074-00*3.
3. Remove Main Board.
J1635-A074-00*3
J1635-A074-00*2
Photo Sensor Wire
Fan Wire

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10
1. Loosen the screw
J1635-3172-00 to
remove the Photo
Sensor Board.
2. Unplug the three LED
Wires.
11
Loosen screws
J1635-2021-00*4 for
raising the DMD Board
and DMD Heat sink.
12
Loosen the two screws
J1635-2290-00*2 to
remove the Focus-ring.
J1635-3172-00
LED Wires
Long
Short
J1635-2021-00*4
J1635-2290-00*2