Christie DWU851 User manual

DWU851/DHD851/DWX851
Service Manual
020-000755-01

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia DLP Projector
November 2014
DWU851
(DD1-WU70P/71P)
DHD851
(DD1-HD70P/71P)
DWX851
(DD1-WX70P/71P)
SERVICE MANUAL
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
Warning
The technical information and parts shown in this
manual are not to be used for: the development,
design, production, storage or use of nuclear, chemical,
biological or missile weapons or other weapons of
mass destruction; or military purposes; or purposes that
endanger global safety and peace. Moreover, do not
sell, give, or export these items, or grant permission for
use to parties with such objectives. Forward all inquiries
to the SUPPLIER.
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radiation and materials, various measures are provided in this Multimedia DLP Projector.
Be sure to read cautionary items described in the manual to maintain safety before servicing.
Caution
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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 (circuit), power unit (ballast) and power unit (cooling), after turn on the projector.
4. Do not touch the exhaust fan, during operation.
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Service Warning
1. Features------------------------------------------------------3
 6SHFL¿FDWLRQV -----------------------------------------------4
3. Names of each part---------------------------------------- 5
4. Adjustment---------------------------------------------------7
5. Troubleshooting -------------------------------------------11
6. Service points--------------------------------------------- 25
7. Disassembly/assembly diagram---------------------- 50
8. Replacement parts list---------------------------------- 92
9. RS-232C communication------------------------------101
%ORFNGLDJUDP--------------------------------------------116
11. Connector connection diagram----------------------118
12.Basic circuit diagram-----------------------------------120
Contents
1

2
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
CAUTION FOR SAFETY
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zEntries with graphical symbol explanation
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CAUTION
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zTypical graphical symbols explanation
This symbol indicates
warnings and cautions. This symbol indicates hazard of high voltage. This symbol indicates mandatory actions.
This symbol indicates
hazard of explosion. This symbol indicates hazard of hand crush. This symbol indicates coercing to unplug.
This symbol indicates
hazard of high temperature.
This symbol indicates
prohibited actions.
WARNING
Follow the instructions.
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Follow those notes and the User's Manual - Sefty Guide.
Avoid electric shock.
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unplug when disassembling or assembling.
The projector has high voltage portion and possibly charged portion. If you touch such a
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Use the components which have same characteristic especially about incombustibility
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WKHFRPSRQHQWVPDUNHGZLWK in the replacement parts list and circuit diagram.
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Keep same style of wiring and components.
This product uses insulating tapes or tubes, and has some components assembled
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Do safety inspection after repair work.
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Measure the insulation resistance with megohmmeter after visual inspection. If the
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CAUTION
Do not touch the fan motor while it is rotating.
Do not touch the fan motors when you have turned on the projector with the UPPER
CASE removed. It may injure you.

3
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
1. Features
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Not only can you control and monitor the projectors via LAN connection, but also project still or
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wireless adapter.
> LENS MEMORY
The projector is capable of storing the lens shift position.
> Status monitor
The projector displays the present status or the error log with the sub LCD monitor.
> Flexible installation
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accessories.
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> PbyP (Picture by Picture), PIP (Picture in Picture)
You can project two images from different input ports on one screen at the same time. With the
remote control, it is easy to turn on/off this function and select the input source for the main and
sub areas.
> HDCR
Advanced feature which is original image stabilizer for a clearer image.
> HDBaseT™ covered
Gives one more digital interface to get clearer pictures on a screen.
> Dual color wheel
Equips with two color wheels, to enhance brightness and color.
> Optional lenses
The wide range of lens shift feature will give more various installing.

4
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
6SHFL¿FDWLRQV
Panel
Panel system Digital Mirror Device
Panel size DWU851: 0.67" (17.0mm)
DHD851/DWX851: 0.65" (16.5mm)
Number of pixels DWU851: 1920(H) x 1200(V) DHD851: 1920(H) x 1080(V)
DWX851: 1280(H) x 800(V)
Lamp 330W UHP x 2
Digital
video signal HDMI 1Signal type: T.M.D.S
Signal level: DC 3.3V±5%, AC 0.15-1.56Vp-p
2
DVI-D
Computer
signal
COMPUTER IN 1(Dsub) 9LGHR$QDORJ9SSȍWHUPLQDWLRQ H/V. sync.: TTL level (positive/negative)
Composite sync.: TTL level
2(BNC)*5
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Composite sync.: TTL level
Video signal
VIDEO (BNC) System: NTSC, PAL, SECAM, PAL-M/N, NTSC4.43, PAL60 (out of guarantee)
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COMPUTER IN
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2(BNC)*5
HDBaseT*1 (RJ45) Signal type: PAM16
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SDI (BNC)*4 6'6',6LQJOHOLQN+'6',*6',/HYHO$
RS-232C CONTROL (Dsub) Input: “H” Max. 20V Min. 2.6V, “L” Typ. –20.0V Max. 0.8V
Output: “H” Typ. 8.0V Min. 5.0V, “L” Typ. –7.0V Max. –5.0V
Service ports (USB-B) *2 Differential signal: (D+)-(D-)>0.2V and D+>2.0V or (D-)-(D+)>0.2V and D->2.0V Input: “L” 0.8V or less, “H” 2.0V or more,
Output: “L” 0.3V or less, “H” 2.8V~3.45V
Wireless LAN
*3 WIRELESS (USB-A)
System: IEEE802.11b/g/n
(See the user's manual of the optional USB wireless adapter.)
Differential signal: (D+)-(D-)>0.2V and D+>2.0V or (D-)-(D+)>0.2V and D->2.0V
Input: “L” 0.8V or less, “H” 2.0V or more,
Output: “L” 0.3V or less, “H” 2.8V~3.45V
Wired LAN HDBaseT*1 (RJ45) System: 100Base-T
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LAN*1 (RJ45) System: 100Base-TX / 10Base-T
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Power supply AC110-120V/8.8A, AC220-240V/4.3A
Power consumption AC110-120V/860W, AC220-240V/810W
Dimensions 537 (W) x 174 (H) x 463 (D) mm (not including protruding parts)
Weight DSSUR[NJQRWLQFOXGLQJOHQV
Temperature range
Operation: 0~50°C
(NORMAL mode: 0~45°C, ECO mode: 0~50°C, high altitude (regardless the
"mode"): 0~40°C)
Storage: -20~60°C
Accessories Remote control x1 User’s manual x 1 Application CD x 1 Security label x 1 Adapter cover x 1 Power cord x 3 or 1
Computer cable x 1 Cable tie x 2
Ferrite core and band x 2
*1 DC power cannot be provided from these ports.
*2 The service USB-B port is hidden behind the side panel (USB-B COVER).
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*4 DHD851 only
*5 DWU851 and DWX851 only

5
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
(1) STANDBY/ON button (2) INPUT button
(3) MENU button (4) LENS SHIFT button
(5) ZOOM button (6) FOCUS - / +buttons
(7) SHUTTER button (8) FUNCTION button
(9) FILTER indicator
(10) SHUTTER indicator
(11) SECURITY indicator
(12), (16) LAMP-2 indicator
(13), (17) LAMP-1 indicator
(14) TEMP indicator
(15) POWER indicator
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(1) Dust protector (2) Remote sensors
(3) Elevator feet (x2) (4) AC (AC inlet)
(5) Holes for Cable Tie (6) Security slot
(7) Security bar (8) Control panel
(9) Status Monitor (10) Ports
(11) Indicators ,QWDNHYHQWV
(13)~(15) Exhaust vents (14) LAMP1 COVER*
(15) LAMP2 COVER*
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zProjector unit
zControl panel, Indicators
NOTE:
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because it includes a fan motor.
(16)
(1)
(3) (2)
(4)
(5)
(6)
(7)
(8)
(9) (10) (11) (12)
(11)
(13)
(14)
(15)
SHUTTER
(5)
(8)
(1)
(3)
(4)
(6)
(2)
(7)
POWER
TEMP
LAMP 1 LAMP 2
SECURITY
SHUTTER
FILTER
(15) (14) (13) (12) (11) (10) (9)
LAMP 2 LAMP 1
(17) (16)
zPorts
DWU851/DWX851
DHD851
(2)
(1)
(3) (4) (5) (6) (7) (8)
(9)
(10) (11) (12) (13)
(2)
(1)
(3) (4) (5) (6) (7) (8)
(9)
(10) (11) (12) (13)
(1) MONITOR OUT port
(2)・DWU851/DWX851
COMPUTER IN1 port
・DHD851
COMPUTER IN port
(3) HDMI 2 port
(4) HDMI 1 port
(5) DVI-D port
(6) HDBaseT™ port
(7) WIRELESS port
(8) LAN
(9)・DWU851/DWX851
COMPUTER IN2 port
(R/Cr/Pr,G/Y,B/Cb/Pb,H, V)
・DHD851
SDI/DIGITAL 1 port
(10) CONTROL port
(11) REMOTE CONTROL IN port
(12) REMOTE CONTROL OUT port
(13) VIDEO port

6
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
NOTE:
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(1) STANDBY button (2) ON button
(3) ID - 1 / 2/ 3/ 4buttons
(4) COMPUTER 1 button (5) COMPUTER 2 button *
(6) VIDEO button
(7) LAN button (8) USB TYPE A button *
(9) USB TYPE B button *
(10) HDBaseT button (11) DIGITAL 1 button
(12) DIGITAL 2 button * (13) HDMI 1 button
(14) HDMI 2 button
(15) DVI-D button (16)
FOCUS +/ - buttons
(17) LENS MEMORY SAVE / LOAD buttons
(18) ZOOM + / -buttons
(19) LOCK button (20) LENS SHIFT button
(21) SHUTTER button (22) ENTER button
ŸźŻŹFXUVRUEXWWRQV FREEZE button
(25) MENU button (26) HDCR button
(27) ASPECT button (28) PbyP button
(29) RESET button (30) C.WHEEL button
(31) AUTO button (32) OSD button
(33) MAGNIFY buttons (34) PICTURE button
(35) KEYSTONE button (36) LAMP button
(37) MY BUTTON - 1,2,3,4buttons
(38) Battery cover (39) Wired remote control port
zRemote control
%DFNRI
the remote
control
(38)
(39)
(1)
(3)
(4)
(7)
(8)
(10)
(13)
(14)
(16)
(19)
(20)
(22)
(2)
(5)
(6)
(9)
(11)
(12)
(15)
(18)
(17)
(21)
(23)
(25)
(26)
(24)
(27) (28)
(29)
(30)
(31) (32)
(33)
(34)
(35)
(36)
(37)
・DWU851/DWX851
(2) ON button
(5) COMPUTER 2 button
(7) LAN button
(9) USB TYPE B button *
(11) COMPONENT button *
(13) HDMI 1 button
(15) DVI-D button
(19) LOCK button
(21) SHUTTER button
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(25) MENU button
(27) ASPECT button
(29) RESET button
(31) AUTO button
(33) MAGNIFY buttons
(35) KEYSTONE button %DFNRI
the remote
control
(1)
(3)
(4)
(7)
(8)
(10)
(13)
(14)
(16)
(19)
(20)
(22)
(2)
(5)
(6)
(9)
(11)
(12)
(15)
(18)
(17)
(21)
(23) (38)
(25)
(39)
(26)
(24)
(27) (28)
(29)
(30)
(31) (32)
(33)
(34)
(35)
(36)
(37)
・DHD851
(1) STANDBY button
(3) ID - 1 / 2/ 3/ 4buttons
(4) COMPUTER 1 button
(6) COMPUTER 3 button *
(8) USB TYPE A button *
(10) HDBaseT button
(12) VIDEO button
(14) HDMI 2 button
(16)
FOCUS +/ - buttons
(17) LENS MEMORY SAVE / LOAD button
(18) ZOOM + / -buttons
(20) LENS SHIFT button
(22) ENTER button
(24) FREEZE button
(26) HDCR button
(28) PbyP button
(30) C.WHEEL button
(32) OSD button
(34) PICTURE button
(36) LAMP button
(37) MY BUTTON - 1,2,3,4buttons
(38) Battery cover
(39) Wired remote control port

7
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
4-1 Before adjusting
4-1-1 Selection of adjustment
When any parts in the table below are changed, choose the proper adjusting items with the chart.
In addition, setup of the projector according to the chapter 4-5 by service engineers or users is
recommended after all adjustments are done.
Relation between the replaced part and adjustment
Replaced part
Adjustment
AIR
SENSOR
(Chap.4-2)
INDEX
DELAY
(Chap.4-3)
LENS
SHIFT
(Chap.4-4)
ENGINE ass’y
(ASS’Y) ×○○
MAIN PCB
(PWB ASS’Y MAIN) ○○○
LAMP UNIT
(LAMP UNITASS'Y) ×××
SENSOR-A/B PCB
(PWB ASS’Y SENSOR-A/B) ○××
BALLAST FAN
(DC FAN G10D13BPWM-P4L301) ○××
○: means need for adjustment. ×: means not need for adjustment. △: means recommended.
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4-1-2 Setting of condition before adjustments
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more than 10 minutes before starting adjustments.
2. Set the image size: Set zoom wide to Max. and
project an image more than 1 m (40 inches) in
diagonal size.
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KEYSTONE button and select KEYSTONE. If you
changed KEYSTONE from ON to OFF, set to ON
after adjustment.
4. Resetting aspect and distortion of the image:
Press the MENU button and select EASY MENU -
RESET. Press the Źor ENTER button to display
RESET dialog and choose the OK with the Ź
button. Set and adjust each item in the EASY
MENU again after adjustment.
5. Displaying the FACTORY MENU: Perform all
adjustments from the FACTORY MENU.
Using the remote control...
a. Press the MENU button and select EASY
MENU - RESET. Press the Źor ENTER button
to display RESET dialog.
b. Next, press the RESET button,then re-press
and hold the RESET button for 3 seconds or
longer (the FACTORY MENU will appear).
Using the control panel of the projector...
a. Press the MENU button and select EASY
MENU - RESET. Press the Źor ENTER button
to display RESET dialog.
b. Next, press the źEXWWRQ¿UVWWKHQSUHVVDQG
hold the źand INPUT button for 3 seconds or
longer (the FACTORY MENU will appear).
Move the cursor among the items of the menu with
Ÿand źbuttons, and select and enter with Źor
ENTER button.

8
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
When you replaced the MAIN PCB, SENSOR-A/
B PCB or BALLAST FAN, or when you re-
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sure to carry out this adjustment after
re-assembling the projector and cleaning the air
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A-SENS bar
A-SENS >>EXE 1:xxxx 2:xxxx 3:xxxx 4:xxxx END
Adjustment procedure
1. Display the A-SENS bar with the Ÿand ź
buttons in FACTORY MENU - VID-AD1.
2. Press the Źbutton to run automatic adjustment
program. The cell END is highlighted in about 5
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3. When one of the values in the cell is out of
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connection of each part.
1: 3700 ~ 4900 2: 3400 ~ 4400
3: 3000 ~ 3850 4: 2550 ~ 3250
4-2 AIR SENSOR adjustment
Test pattern for the adjustment
CW-BRI bar
CW-BRI 139
CW-CLR bar
CW-CLR 338
(You do not have to care the numbers in these
menus.)
Adjustment procedure
1. Open the ADVANCED MENU and set the
COLOR WHEEL in IMAGE SETTINGS menu to
BRIGHT.
2. Open the FACTORY MENU and display the CW-
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MENU - DLP.
3.
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notes of the values when horizontal stripes appear
as both of increasing and decreasing the value.
4. Set the value in the middle of the values.
Ex.: The horizontal stripes appear at the value X
as increasing the value and the value Y as
decreasing, set the value to (X+Y)/2.
5. Open the ADVANCED MENU and set the
COLOR WHEEL in IMAGE SETTINGS menu to
RICH COLOR.
6. Open the FACTORY MENU and display the CW-
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MENU - DLP.
7. Set the value in the same way as CW-BRI, step 3
and 4.
4-3 INDEX DELAY adjustment
Red (255/255)

9
DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
When you replaced the ENGINE assembly
or MAIN PCB, make sure to carry out this
adjustment after re-assembling the projector.
LENS_C bar
(You do not have to care the numbers in this menu.)
Example 1
LENS_C >>EXE T:xxx B:xxx L:xxx R:xxx NG
Example 2
LENS_C >>EXE T:168 B:802 L:281 R:803 OK
Example 3
LENS_C >>EXE T:err B:823 L:306 R:778 NG
Adjustment procedure
1. Display the LENS_C bar with the Ÿand ź
buttons in FACTORY MENU - OPTION. (Example
1)
2. Press the Źbutton to run automatic adjustment
program.
NOTE: During this adjustment, the lens
automatically moves vertically and horizontally.
3. The right-most cell is highlighted after the
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displayed in the cell.
OK: The adjustment was successful. (Example 2)
NG: The adjustment was failed. Go to the next
step. (Example 3)
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connectors EM00, EM01, EM04 and EJ20 on
the MAIN PCB.
- None of objects or wires is pinched between the
LENS SHIFT MECH and the lens.
NOTE: Find the cell in which “err” is displayed,
and read the left-most letter (T, B, L or R) in the
cell. It shows the area where the adjustment was
failed.
T: Between the top side frame of LENS SHIFT
MECH and lens body
B: Between the bottom side frame of LENS
SHIFT MECH and lens body
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SHIFT MECH and lens body
R: Between the lamp-side frame of LENS SHIFT
MECH and lens body
4-4 LENS SHIFT adjustment