Runco CX-52HD, CX-57HD manual Computer Signal

Page 62

Maintenance and Troubleshooting

Table 5-1. Troubleshooting Chart (continued)

Symptom

Possible Cause(s)

 

Solution

 

 

 

Picture is okay, but there is no •

Audio output is muted.

• Press the MUTE button

sound.

 

 

on the remote control.

• Volume setting is too low.

• Turn up the volume.

Source component is

Check audio connections

 

connected incorrectly or

 

to source component.

 

not at all.

 

 

Speakers are connected

Check speaker

 

incorrectly or not at all.

 

connections (Figure 3-8).

Audio settings are

Check the following

 

incorrect.

 

settings: Digital Audio Out

 

 

 

(page 34), TV Speaker

 

 

 

(page 34) and HDMI Audio

 

 

 

(page 39).

 

 

 

 

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.

Black or white dots appear on all channels or a specific channel.

Brightness is set too high.

Antenna or cable TV source is connected incorrectly or not at all.

Broadcast signal is weak.

Lower the brightness setting.

Check the antenna or cable TV connection.

If using an off-air antenna, adjust its position or location.

Colors in the image are

• The Red/Pr, Green/Y or

• Ensure that the source

swapped; for example, reds

Blue/Pb outputs from the

outputs are connected to

appear blue or vice versa.

source are connected to

the correct Crystal Series

 

the wrong inputs on the

LCD input.

 

Crystal Series LCD.

 

 

 

 

RGB-HD images appear

• Clock and Phase settings

• Manually adjust Clock and

“noisy.”

need adjustment.

Phase settings, or perform

 

 

an Auto-Adjust (refer to PC

 

 

Mode Adjust on

 

 

page 36).

 

 

 

“Invalid mode” appears

• The resolution and

• Select a compatible

on-screen.

frequency of the video

resolution and vertical

 

card in the computer are

frequency (refer to

 

not compatible with the

Computer Signal

 

Crystal Series LCD.

Compatibility on

 

 

page 61).

 

 

 

The image is too large or too

• Image size needs

small.

adjusting.

Poor broadcast sound quality.

• The sound quality of a

 

stereo broadcast may be

 

unstable in an area with a

 

weak signal.

Adjust the image size (refer to PC Mode Adjust on page 36).

Use the MTS/SAP button on the remote control to select mono.

50

Runco CX-52HD/CX-57HD Owner’s Operating Manual

Image 62
Contents CX-52HD CX-57HD Page ONE Year Limited Warranty RIGHTS, Limits and Exclusions Runco INTERNATIONAL, INC Important Safety Instructions Compliance Information Declaration of ConformityFCC Part Table of Contents Operation Maintenance and TroubleshootingSpecifications Serial CommunicationsList of Figures List of Figures Xii Introduction About This ManualUsing This Manual If you need Turn toDescription, Features and Benefits Key Features and BenefitsOptional Accessories RuncoCrystal Series LCD at a Glance Controls and IndicatorsControls and Functions Menu Selection ButtonCH / CH Volume Adjustment Buttons VOL / VOL +Power Button Remote Control Sensor Status Indicator LED INPUT4 Component Video RCA connectors Headphone Jack Main Power Switch Power Input 100 to 240 VACINPUT3 Component Video RCA connectors INPUT2 Composite Video InputAIR Antenna Input CX-52HD only Cable Input CX-52HD onlyCrystal Series LCD Remote Control Crystal Series LCD Remote ControlNumeric Buttons Memory Preset ButtonsOFF / on Source Selection ButtonsLetbox Letterbox Aspect Ratio Selection Buttons ANA 169 Anamorphic4X3 Standard Vwide VirtualWideSurrnd Surround Timer OFF ButtonSound Control Buttons Channel Selection Short-Cuts CX-52HD onlyBattery Installation InstallationRemote Control Step Procedure For Details, refer to Quick SetupInstallation Overview Ambient Light Installation ConsiderationsWall-Mounting the Crystal Series LCD Other ConsiderationsSeries LCD to Source Connecting the CrystalConnections to the Crystal Series LCD ComponentsHdmi Connections Rear of the Display Rear of the PC DVD/DTV STB AV OUT Connections Speakers Optional Connecting ExternalConnecting to a Dolby Digital AmplifierConnection Connector Pin AssignmentsRS-232 Controller Rear PanelChanging the OSD Language Turning on the PowerOperation Setting the PC Display Properties Using the On-Screen Menus Setup Picture AdjustTimer SourceAspect Ratio Main MenuSource Input1 Input2 Input3 Input4Aspect Ratio Settings Remote Aspect Ratio Control Description KeyBacklight Color Temp Gamma Save Settings Restore Settings Picture AdjustPicture Adjust Brightness Contrast Color Tint Sharpness Typical Gray Bar Pattern for Adjusting Contrast Gray Yellow Cyan Green Magenta Red Blue Typical Test Pattern for Adjusting Sharpness Audio Channel Auto Tuning Add/Erase Favorite Channel Timer CX-52HD only Characteristics of the incoming signal FCC Ratings and Content Categories Rating/Category DescriptionSexual dialogue Operation Menu should be used by ISF-certified technicians only White Balance Gain OffsetCrystal Series LCD Splash Screen Using Picture-In-Picture PIP Available Main and PIP Source Combinations PIP Input SourceChanging the PIP Aspect Ratio Changing the PIP PositionChanging the PIP Size Swapping the Main PIP Images Button on the remote controlPIP Audio Programs Swap button on the remote control Compatibility with Stereo and SAP Audio Broadcasts Broadcast Mode Receive Mode Mono StereoStereo Sound/SAP CX-52HD only Mono+SAPOperation Troubleshooting Tips Maintenance and TroubleshootingCleaning Troubleshooting ChartComputer Signal Serial Commands RS-232 Connection and Port ConfigurationSerial Command Syntax Command DescriptionSAB SDB Key 0105 0054 Serial Communications Crystal Series LCD Specifications SpecificationsCrystal Series LCD Specifications Specifications are subject to change without notice Crystal Series LCD Dimensions CX-52HD DimensionsCX-57HD Dimensions Signal Mode Vertical Horizontal Computer Signal CompatibilityComputer/Video Signal Compatibility Chart Type Frequency Hz Frequency kHzSpecifications Page Runco CL-810 Owner’s Operating Manual