Com 226 comp trouble shooting II theory book
Troubleshooting a Sound Board
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| Troubleshooting a Sound Board Traditionally, soundboards use many of the same chipsets and basic components, but because each board is designed a bit differently, it is very difficult for commercial diagnostic products to identify failed IC functions. For the most part, commercial and shareware diagnostics can only identify whether a brand-compatible board is responding or not. As a result, this chapter will take the sub-assembly replacement approach. When a soundboard is judged to be defective, it should be replaced outright. This part of the chapter reviews the problems and solutions for soundboards under both DOS and Windows. The following tips might help you nail down a sound problem most efficiently - Check to see that your speakers are connected, powered, and turned on. - Check that the speaker volume and sound card master volume are turned up. - Check to see that the mixer volume and master volume are set properly. - Be sure that the music or sound files) are installed properly. - Check that all sound card and multimedia drivers are installed. - Be sure that the drivers are up to date. - Check for resource conflicts between the sound card and other devices in the system. - Be sure that the sound card is selected and configured properly (especially for DOS apps. - The sound device should be enabled and configured under CMOS (for sound functions incorporated on the motherboard. Sound device is not configured properly If you cannot play any .WAV files in Windows 95 or if .WAV files are not played at the proper volume, you might not have a sound device selected or the sound device that you have selected might not be configured properly. To select and configure a sound device in Windows 95: - Open the Control panel and doubleclick the Multimedia icon. - In the Playback area under the Audio tab (Fig. 41-8), click the playback device that you want to use in the Preferred device list, then move the Volume slider to the value you want (usually 50 to 75% volume is adequate. - In the Recording area under the Audio tab, click the playback device that you want to use in the Preferred device list, then move the Volume slider to the value you want. - Be sure that the speakers are properly connected to the sound card and that the speakers are turned on. Download 1.89 Mb. Share with your friends:
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