Vivitek Projector DH6671 User Manual

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Cleaning the Projector
Cleaning the Cabinet
Refer to the following guide to clean the projector cabinet.1.  Wipe off dust with a clean dampened cloth.
2.  Moisten the cloth with warm water and mild detergent and wipe the cabine\
t.
3.  Rinse all detergent from the cloth and wipe the projector again.
Caution:
• To prevent discoloration or fading of the case, do not use abrasive alcoh\
ol-based cleaners.
Cleaning the Lens
1.  Apply a little optic lens cleaner to a clean, lint free cloth (do not a\
pply the cleaner    
  directly to the lens).
2.  Lightly wipe the lens in a circular motion.
Caution:
• Do not use abrasive cleaners or solvents.
•  To prevent discoloration or fading, avoid getting cleaner on the projecto\
r case.
Cleaning the Filters
The projector uses three filters to keep the fans free of dust and other particles, and should 
be cleaned every 500 hours of operation. In dusty environments, it is re\
commended to 
clean the filters more frequently. If the filter is dirty or clogged, your projector may overheat. 
When the message below is displayed, the filters must be cleaned.
Note:
• When  the  filter  message  is  displayed,  please  clean  all  three  filters  at  the  same  time  to  synchronize  the 
Filter time display. The Filter Message item should be enabled in the Options menu.
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Refer to the following guide to clean the filters.1.  The left and rear filters can be cleaned as demonstrated in the following images.
2. The rear exhaust vent can be accessed as shown.
!
3. Gently slide the filter holders in the direction shown as below.
!
4. Lift the filter foams from all three filter holders in the direction shown.Remove them    
  completely from each filter holder and discard.
!
5. Place a replacement foam and press down firmly
.
!
6. Replace the filter holders by pushing gently in the direction shown on below illustration
.
!
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Specification
ModelDH6671
Display type 1-DLP
0.65'' DMD
Native resolution 1080P(1920X1080)
Maximum resolution WUXGA (1920x1200) @ 60Hz
Contrast 3000:1
Lamp life and type 2500/3500 hours (Normal / Eco mode), 280Wx2
Throw Ratio* 1.73-2.27:1
Image Size* 40~500"
Projection Distance* 1.89-15.30m 
(6.2-50.17ft)
Projection Lens* F=1.64-1.86
f=26-34mm
Zoom Ratio* 1.3X
Aspect Ratio 16:9 Normal 
4:3 compatible with 16:10
Lens Shift* 0%~+50% (V); +/-10% (H)
Keystone V: +/-30°; H:+/-30°
Sync V: 48-120Hz
H: 15-90kHz
Video compatibility SDTV (480i/576i), EDTV (480p/576p), HDTV (720p, 1080i/p)
I/O Port HDMI v1.4a, DVI-D, 3D Sync Out, HDBase T / LAN (share
with LAN control), RGB In, RGB Out, Component (YPbPr)/RGBHV,
Component (RCA*3), Composite (RCA Jack), S-Video (Mini DIN 
4pin), RS-232, Screen Trigger, Wire (wired remote control), 
USB (for service).
Projection Method Desktop projection, ceiling (front or rear)
Size (W x D x W) 505x194x385mm (excluding the protruding part)
Weight 16.5kg (excluding the lens)
Noise level 35dB/39dB (Dual Lamp Eco/Standard Mode)
POWER AC100-240V, 50/60Hz
Power Consumption < 0.5 watts for Off mode. (Power key/Remote power key only)
< 6 watts for Network Standby mode. (LAN/RS232/Control Panel 
only)
Accessories AC power cord, VGA cord, remote control, lens cap,
user manual CD.
* Standard Lens
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Product Dimensions
508
389
208
389
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Supported Signal Input Timing
Signal 
typeResolution Frame rate Component BNC
 DVI-D HDMI
HDBase T  3D support
3D formal
(frame sequential) Video
RGBHV  YUV  RGBYUV S-Video
PC 640*480-60 59.93V-VV - V V-
640*480-75 75V-VV - V --
640*480-85 85.01V-VV - V --
800*600-60 60.32V-VV - V V-
800*600-75 75V-VV - V --
800*600-85 85.06V-VV - V --
848*480-60 60V-VV - V V-
1024*768-60 60V-VV - V V-
1024*768-75 75.03V-VV - V --
1024-768-85 85.03V-VV - V --
1024-768-120 120V-VV - V V-
1024-768RB-120 119.98V-VV - V V-
1280*720-60 59.91V-VV - V V-
1280*720-120 120V-VV - V V-
1280*768-60 59.87V-VV - V V-
1280*800-60 59.81V-VV - V V-
1280*800RB-120 119.9V-VV - V V-
1280*960-60 60V-VV - V V-
1280*1024-60 60.02V-VV - V V-
1280*1024-75 75.02V-VV - V --
1280*1024-85 85.02V-VV - V --
1440*900-60 59.887V-VV - V V-
1400X1050-60 59.98V-VV - V V-
1600*1200-60 60V-VV - V V-
1680*1050-59.94 59.94V-VV - V V-
1920*1200RB-60 59.95V-VV - V V-
Video NTSC (M) ( 3.58, 
4.43) 59.94
---- - - -V
PAL ( B,G,H,I) 50---- - - -V
PAL ( N ) 50---- - - -V
PAL ( M ) 60---- - - -V
SECAM ( M )
(4.25/4.4) 50
---- - - -V
SDTV 1440x480i 60---V VV (HDMI) --
1440x576i 50---V VV (HDMI) --
480i 59.94-V-- - - -V
576i 50-V-- - - -V
EDTV 480p 59.94VVVV V V --
576p 50VVVV V V --
1080i  50-VVV V
V --
1080i  60-VVV V V --
720p  50VVVV V V V-
720p  60VVVV V V V-
1080p  24VVVV V V --
1080p  25VVVV V V --
1080p  29.97VVVV V V --
1080p  30VVVV V V --
1080p 50VVVV V V V-
1080p 60VVVV V V V-
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Configurations of Terminals
DVI-D
9101112131415161819202122232417
12345678
1T.M.D.S. Data 2- Input 13N.C
2 T.M.D.S. Data 2+ Input 14P5V
3 Ground 15Ground
4 N.C 16HPD
5 N.C 17T.M.D.S. Data 0- Input
6 SCL 18T.M.D.S. Data 0+ Input
7 SDA 19Ground
8 N.C 20N.C
9 T.M.D.S. Data 1- Input 21N.C
10 T.M.D.S. Data 1+ Input 22Ground
11 Ground 23T.M.D.S. Clock+ Input
12 N.C 24T.M.D.S. Clock- Input
HDMI(19 pin Type A)
135791113151719
24681012141618
1T.M.D.S. Data 2+ Input 11Ground
2 Ground 12T.M.D.S. Clock C- Input
3 T.M.D.S. Data 2- Input 13CEC
4 T.M.D.S. Data 1+ Input 14N.C
5 Ground 15SCL
6 T.M.D.S. Data 1- Input 16SDA
7 T.M.D.S. Data 0+ Input 17Ground
8 Ground 18P5V
9 T.M.D.S. Data 0- Input 19HPD
10 T.M.D.S. Clock C+ Input
3D Sync Out
1
32
3D Sync Out1Signal
2 Ground
3 VCC(5V)
VGA ( D-sub 15 pin)
151413121191087654321
Input
1Red Input 9P5V
2 Green Input 10GND
3 Blue Input 11GND
4 N.C 12VGA_SDA
5 N.C 13H-Sync
6 GND 14V-Sync
7 GND 15VGA_SCL
8 GND 16GND
Serial Control (RS-232, D-sub 9 pin)
9876
54321
Serial
1 N.C
2 RXD
3 TXD
4 N.C
5 Ground
6 N.C
7 Short with pin8
8 Short with pin7
9 N.C
Service (USB Type A)
21
34
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Screen Trigger
TipSleeve
Ring
1 Tip VCC(12V)
2 Sleeve- Ground
3 Ring Signal
HDBaseT/LAN Terminal (RJ-45)
87654321
1TX+
2 TX-
3 TXC
4 Ground
5 Ground
6 RXC
7 RX+
8 RX-
Wired Remote
TipSleeve
Ring
1 Tip VCC(3.3V)
2 Sleeve- Ground
3 Ring Signal
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DH6671 Lens Series
7 types of optional powered lenses are available for the projector. Contact the authorized 
dealer of Vivitek for details.
Part NumberLens Name F NumberFocal Length Zoom RatioScreen Size Throw Ratio
D88-UWZ01 Ultra Wide 
Zoom1.96-2.3
11.3-14.1mm1.25:140"-500"0.75-0.93:1
D88-WF18501 Wide Fix1.8511.6mm---40"-500"0.76:1
D88-WZ01 Wide Zoom1.85-2.518.7-26.5mm1.41:140"-500"1.25-1.79:1
D88-ST001 Standard Lens1.7-1.926-34mm1.3:140"-500"1.73-2.27:1
D88-SMLZ01 Semi Long 
Zoom1.86-2.48
32.9-54.2mm1.65:140"-500"2.22-3.67:1
D88-LOZ101 Long Zoom 11.85-2.4152.8-79.1mm1.5:140"-500"3.58-5.38-1
D88-LOZ201 Long Zoom 21.85-2.4878.5-121.9mm1.55:140"-500"5.31-8.26:1
• Above lenses can support to vertical shift 0-50%, horizontal shift ±1\
0% except of D88-
WF18501.
•  D88-WF18501 is a fixed lens, the vertical and horizontal shift range is 0%, the corners 
of the projected image may appear shadows or distortion if lens is shift\
ed horizontally 
or vertically.
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Troubleshooting
Indicator Messages
Several indicator messages are used to display the current projector sta\
tus or alert the 
abnormal message. The LEDs on the top surface of the projector show the status of the 
POWER, WARNING LAMP 1 and LAMP 2
Below tables describe the various states of the 4 LEDs.
LED INDICATOR STATUSPROJECTOR STATUS
Power Off AC off
Red on Standby 
Green on Power on
Orange blinks Projector is under cooling
Green blinks Start up
Warning Off Normal condition
Red blinks 1 time The lamp cover is open.  Check if lamp cover is installed properly.
Red blinks 2 times The internal temperature is 
abnormally high. • 
The temperature around the projector 
are high, use the projector in an 
environment with the temperature of 
lower than 104°F (40°C).
•  Air intake may be blocked, relocate 
the projector to an area with proper 
ventilation. 
•  Internal circuit may be fail, contact the 
local Vivitek service center.
Lamp 1
Lamp 2 Off
Lamp is turned off.
Green on Lamp mode is set to Normal.
Orange on Lamp mode is set to ECO.
Green blinks Lamp model is set to Normal, 
it’s warming up or under cooling.
Orange blinks Lamp model is set to Eco, it’s 
warming up or under cooling. • 
No lamp is installed or lamp should be 
replaced, check if the lamp is installed 
properly.
•  The lamp is burnt out.
Contact with your nearest authorized 
dealer or service center.
Red blinks The lamp does not illuminate.
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Common Problems and Solutions
These guidelines provide tips to deal with problems you may encounter wh\
ile using the 
projector. If the problem remains unsolved, contact your dealer for assistance.
Often the problem is something as simple as a loose connection. Check th\
e following 
before proceeding to the problem-specific solutions.•  Use some other electrical device to confirm that the electrical outlet is working.
•  Ensure the projector is turned on.
•  Ensure all connections are securely attached. 
•  Ensure the attached device is turned on.
•  Ensure a connected PC is not in suspend mode.
•  Ensure a connected notebook computer is configured for an external display . (This is 
usually done by pressing an Fn-key combination on the notebook.)
Tips for Troubleshooting •  In each problem-specific section, try the steps in the order suggested.  This may help 
you to solve the problem more quickly.
•  Try to pinpoint the problem to avoid replacing non-defective parts. 
•  For example, if you replace batteries and the problem remains, put the o\
riginal batteries 
back and go to the next step. 
•  Keep a record of the steps you take when troubleshooting: The information may be 
useful when call-ing for technical support or for passing on to service \
personnel.
Image Problems Problem: No image appears on the screen
1.  Verify the settings on your notebook or desktop PC.
2.  Turn off all equipment and power up again in the correct order.
Problem: The image is blurred 
1.  Adjust the Focus on the projector.
2.  Press the AUTO button on the remote control or projector.
3.  Ensure the projector-to-screen distance is within the specified range.
4.  Check that the projector lens is clean.
5.  Remove the lens cover.
Problem: The image is wider at the top or bottom (trapezoid effect) 
1.  Position the projector so it is as perpendicular to the screen as possib\
le. 
2.  Use the Keystone function to correct the problem
Problem: The image is reversed or upside down
Check the Projection Mode setting on the INSTALLATION menu.
Problem: The image is streaked 
1.  Set the Total dots (H Total) and VGA Setup settings on the SIGNAL menu of the OSD 
to the default settings.
2.  To ensure the problem is not caused by a connected PC’s video card, connect to 
another computer. 
DH6671 DLP Projector - User's Manual