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 |
• | 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
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. |
|
|
|
|
• Clock and Phase settings | • Manually adjust Clock and | |
“noisy.” | need adjustment. | Phase settings, or perform |
|
| an |
|
| Mode Adjust on |
|
| page 36). |
|
|
|
“Invalid mode” appears | • The resolution and | • Select a compatible |
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 |
