Runco Q-750d Ultra Series Specifications Page 101
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Q-750d Ultra Series Installation/Operation Manual 85
PRE
L
IMINAR
Y
MaintenanceThe Q-750d Ultra Series LED Home Theater Projector and DHD Controller does not
require any routine maintenance. There are no user-serviceable or -replaceable parts.
Unless you are a qualified, factory-trained Runco technician, do not attempt to repair or
replace any system component yourself. You will void the product warranty if you do
so.
TroubleshootingTable 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the Q-750d Ultra Series LED Home Theater Projector and DHD Controller.
If the suggested solutions fail to resolve the problem or if you encounter an issue not
described here, please contact your Runco dealer or Runco Technical Support.
5. Maintenance and Troubleshooting
Table 5-1. Troubleshooting Chart
Symptom Possible Cause(s) Solution
The projector does not turn
on.
• The projector is not
plugged in or the AC outlet
is not active.
• The DHD Controller is not
plugged in or the AC outlet
is not active.
• The remote control
batteries have run out.
• Ensure that the projector is
plugged in and that the AC
outlet is active.
• Ensure that the DHD
Controller is plugged in and
that the AC outlet is active.
• Replace the batteries.
The display and DHD Control-
ler both turn on, but there is no
picture and on-screen menus
do not appear.
• Faulty or incorrect video
connection from the DHD
Controller to the display.
• Ensure that the HDMI
output from the DHD
Controller is properly
connected to the display
(see Figure 3-10).
• Try a known-good and/or
shorter HDMI cable.
The display is on and menus
appear, but there is no picture.
• Incorrect source selection.
• Source component is not
turned on.
• Source component is
connected incorrectly or
not at all.
• Select the correct source.
• Turn on the source
component.
• Check connections from
the source component to
the DHD Controller.
Image is too bright and/or
lacks definition in the bright
areas of the image.
• Contrast is set too high. • Lower the contrast setting.
Image appears “washed out”
and/or dark areas appear too
bright.
• Brightness is set too high. • Lower the brightness
setting.
Colors in the image are
swapped; for example, reds
appear blue or vice versa.
• The Red/Pr, Green/Y or
Blue/Pb outputs from the
source are connected to
the wrong inputs on the
DHD Controller.
• Ensure that the source
outputs are connected to
the correct DHD Controller
input.
- Q-750d Ultra Series 1
- Warranty 3
- Important Safety Instructions 7
- Compliance Information 8
- Table of Contents 11
- List of Figures 15
- 1. Introduction 17
- Using This Manual 18
- Description, Features 19
- Introduction 20
- 2. Controls and Functions 21
- Q-750d Ultra Rear 22
- DHD Controller Front 23
- DHD Controller Rear 24
- Controls and Functions 25
- Q-750d Ultra Remote 26
- Control Unit 26
- 3. Installation 29
- Quick Setup 30
- Installation 31
- Considerations 31
- Estimating Throw Distance 32
- Screen width (w) 32
- Ceiling Installation 34
- Floor Installation 34
- Installing the Primary 37
- Projection Lens 37
- Installing the Optional 40
- CineWide/AutoScope 40
- Lens Mount 40
- Mounting the Q-750d 46
- HDMI Out 47
- To Display 47
- DTV-Set-Top Box 50
- (DTV-STB) 50
- RGB Camcorder 51
- Figure 3-15 52
- Gaming Console 53
- Camcorder 53
- Audio Processor/ 54
- Switcher 54
- Secondary Display 54
- Control System 55
- AutoScope Lens Motor 56
- Turning on the Power 59
- Vertical 60
- Lens Shift 60
- Horizontal 60
- Adjusting the Image 61
- Geometry 61
- Installing and 63
- Adjusting the 63
- CineWide Anamorphic 63
- Too Far Right 65
- Too Far Left 65
- Correct position 65
- Too High 66
- Correct Lens Angle 66
- Incorrect Lens Angle 66
- Anamorphic Lens (Top View) 67
- 4. Operation 69
- 4:3 Image on 72
- 16:9 Display 72
- (Letterbox aspect ratio) 72
- 1080i HDTV Image 73
- 720p HDTV Image 73
- Below Black 75
- Off Crop Zoom 79
- Saturation 86
- Input Names 91
- Operation 100
- 6. External Control 103
- External Control 104
- Table 6-1. Serial Commands 105
- DBO R/W Yes -100 100 No 107
- DGO R/W Yes -100 100 No 107
- DRO R/W Yes -100 100 No 107
- IGO R/W Yes -32 32 No 109
- IBO R/W Yes -32 32 No 109
- IRO R/W Yes -32 32 No 110
- Using Discrete IR 118
- Using HDMI CEC 122
- Messages 122
- 7. Specifications 125
- DHD Controller 127
- Specifications 127
- Overall Dimensions – 129
- Q-750d Ultra 129
- Ultra/CineWide with 130
- AutoScope 130
- Supported Timings 131
- 020-1159-00 Rev. B 134
- November 2011 134
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