Optoma TX7156 Support Question
Optoma TX7156 Support Question
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Question posted by plants00 on January 15th, 2014
Image Flickers After 15 Mins
My Optoma TX7156 powers up fine and all 3 fans spin up but after about 15 mins, the image begins to flicker for about 5 mins and then the entire image is gone. Bulb turns off. No TEMP or LAMP indicators are on. Only POWER. We can wait about 5 mins and it will turn on again but will repeat the same cycle. Can you assist??? Thanks! Frank
Current Answers
Related Optoma TX7156 Manual Pages
User's Manual - Page 1
......10 Rear View...11 Remote Control...12
Installation...13
Connecting the Projector...13
Connect to Computer / Notebook...13 Connect to Video Sources...14
Powering On / Off the Projector 15
Powering On the Projector...15 Powering Off the Projector...16 Warning Indicator...16
Adjusting the Projected Image 17
Adjusting the Projector's Height...17 Adjusting the Zoom / Focus...18
User Controls...19...
User's Manual - Page 3
... could result in a fire or electric shock. 9. Do not let objects or liquids enter the projector as they may expose you . 8. Please call Optoma to be adjusted or repaired by anyone except properly qualified service personnel.
English The projector should not be referred to an authorized service center near you to service this...
User's Manual - Page 7
... product is a single chip 0.55" XGA series and 0.65" WXGA series DLP® projector. Outstanding features include:
u Texas Instruments Single chip DLP® Technology u Computer Compatibility:
Apple... On Screen Menu u Advanced digital keystone correction and high
quality full screen image re-scaling u User friendly control panel u One built-in speaker with 1 Watt amplifier u Macintosh and ...
User's Manual - Page 15
... manual of the PC to determine the appropriate Fn key combination to the projector. 2. Ensure the Power LED is connected, press the "Source" button to turn On the projector. The projector splash screen displays and connected devices are supported through the VGA connector)
15 English
For direct source selection, see page 21. (DVD and HDTV are...
User's Manual - Page 16
... it indicates the fan has failed. English 16 Please contact your local dealer or our service center. v When the TEMP LED is on , you must wait until the projector has completed the cooling cycle and has entered standby mode.
Once in conjunction with the LAMP LED blinking a single time, it has cooled down . Disconnect the power...
User's Manual - Page 17
... [B].
Re-Sync
AV-Mute
Power Keystone+ Lamp
Temp
ZoFoocmus
D
B
C
1. To raise the level of the picture, turn the tilt adjuster [D] right or
left until desired angle achieved.
17 English The height adjuster drops down on the top of the projector. 3.
Installation
Adjusting the Projected Image
Adjusting the Projector's Height
Take note of the projector, press the height-adjuster...
User's Manual - Page 18
Use the keystone buttons to
sharpen the projected image [A]. They can be found on the remote control and on the projector only) to
A
resize the projected image
and screen size [B].
2.
English 18 Use the Image-zoom control (on the projector's control panel. Installation
Adjusting the Zoom / Focus
1. B
3. Use the Image-focus control
(on the projector only) to correct...
User's Manual - Page 19
... Lamp LED
Lamp not ready-do not press the power button.
AV-Mute
Momentarily turns off . Off
Lamp is on stand-by/cooling down. Control Panel
User Controls
Using the Control Panel
Power
Refer to launch the on-screen display (OSD) menu.
Menu
Press Menu to the "Power On/Off the Projector" section on page 15. Green
Unit is powered...
User's Manual - Page 20
...Using the Remote Control
Power
Refer to activate the laser pointer.
Page +
Use this button to connect your selection.
Adjusts image distortion caused by tilting the projector. (±30 ...your computer and
the projector. Laser
Aim the remote at the viewing screen, press and hold this button to the "Power On/Off the Projector" section on page 15.
HDMI
L Button
...
User's Manual - Page 22
... in the main menu. The OSD menu will close and the projector will automatically detect the source. The projector will automatically save the new settings. Select the next item to ...main menu.
6. While making a selection on the Remote Control or Projector Keypad.
2. User Controls
On-screen Display Menus
The Projector has multilingual On-screen Display menus that allow you to select the ...
User's Manual - Page 28
... and then use ▲ or ▼ to enable / disable input sources.
Press Enter to finalize the selection. The projector will not search inputs that are deselected, the projector cannot display any images. User Controls
Image | Advanced | Input Source
Input Source
v If all sources are de-selected. Always leave at least one source selected.
English...
User's Manual - Page 29
Part of the original image will be cut if the image aspect ratio is for 16x9 input
sources, like HDTV and DVD enhanced for Wide screen TV. 4 16:9 I (XGA series)/16:9 (WXGA series): This format is less than 1.67:1.
4 Native: Depends on the resolution of the projector. Display
User Controls
Format
Use this function...
User's Manual - Page 30
... ► to compensate for vertical image distortion when the projector is positioned at an angle to magnify an image on the projected screen. V Image Shift (16:9 only)
Shifts the projected image position vertically (in a video image. Zoom 4 Press ◄ to move the image down on the projected screen.
H Image Shift
Shifts the projected image position horizontally.
4 Press ◄ to...
User's Manual - Page 31
...:
4 Front Desktop
The factory default setting.
4 Rear Desktop
When you can project from behind a translucent screen.
4 Front Ceiling
When you select this function, the projector turns the image upside down for more information. Select the multilingual OSD menu.
You can project behind a translucent screen with ceiling mounted projection. Menu Location
Choose the menu...
User's Manual - Page 34
If you experience a vertical flickering bar, use this function to match the frequency of the display with the graphic card. Position 4 Press ◄ to move the image down. 4 Press ► to move the image up. Position 4 Press ◄ to move the image left. 4 Press ► to move the image right. English 34
User Controls
Setup | Signal...
User's Manual - Page 45
... you are using a Notebook:
Some Notebooks may deactivate their own screens when a second display device is between the required
distances from the projector. Refer to make it . Image has vertical flickering bar
4 Use Frequency to your computer's manual for more
information.
4 Check and reconfigure the display mode of the computer.
2.
Press the toggle...
Datasheet - Page 1
... ANSI
lumens Easy-to 40°C), 80% Max Humidity
Power Supply AC Input 100-240V, 50-60Hz, Auto-Switching
Power Consumption 280 Watts (Bright), 230 Watts (STD), TX7156 − Mobile Projector
Datasheet - Whether traveling across the country or down the hall, the TX7156 provides images that will capture your audience's attention. saving you time and...
Brochure - Page 1
... Freeze
Power
Audio-In
Composite Video
HDMI Kensington Lock
At only 3.2 pounds, the TX7156 from Optoma unleashes 3000 ANSI lumens of ownership
❏ Built-in closed captioning
www.optoma.com Whether traveling across the country or down the hall, the TX7156 provides images that will capture your audience's attention. TX7156 FEATURES
❏ Ultra-portable 3.2-pound DLP® projector...
Brochure - Page 2
TX7156 | Multimedia Projector
Projection Distance/Image Size
Projection Distance (Feet)
Maximum Diagonal (Inches)
Minimum Diagonal (Inches)
6
50
41
8
67
55
10
83
68
12
100
82
14
117
95
16
133
109
18
150
123
Control Panel
Power LED Power/Standby
Lamp LED Temp...30° Vertical 43 to 87 Hz 15, 30 to 91.4 KHz AC Input 100-240V, 50-60Hz Auto-Switching 280 Watts (Bright), ...
Discrete IR codes - Page 1
...1 2 3 4 5 6 7 8 9
Right
- Down
-
Page up
Up
R
-
Optoma TX7156 Discrete IR Codes
Optoma Code: 32CD
Key
Description
1 Power on/off toggle
2 Laser Pointer
3 Remote mouse emulation UP key
4 Remote mouse emulation LEFT key
...OSD key
Remote mouse emulation PAGE DOWN or DOWN OSD 14 key
15 Keystone correction increment
16 Keystone correction decrement
17 Decrease speaker volume
18...
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