Sony CPD-200GS Operating Instructions - Page 19
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GettAindgdSittiaorntaeldInformation Symptom Check these items Screen image is not centered • Adjust the size or centering (page 9). or sized properly • Some video modes do not fill the screen to the edges. This problem tends to occur with certain video boards. Edges of the image are curved • Adjust the geometry (page 10). White lines show red or blue • Adjust the convergence (pages 12 - 13). shadows at edges Picture is fuzzy • Adjust the contrast and brightness (page 8). • Degauss the monitor (page 13). If you place equipment which generates a magnetic field, such as a loudspeaker, near the monitor, or you change the direction of the monitor, color may lose uniformity. The degauss function demagnetizes the metal frame of the CRT to obtain a neutral field for uniform color reproduction. If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. • If red or blue shadows appear along the edges of images, adjust the convergence (pages 12 - 13). • If the moire is cancelled, the picture may become fuzzy. Decrease the moire cancellation effect (pages 12 - 13). Picture bounces or has wavy • Isolate and eliminate any potential sources of electric or magnetic fields. Common oscillations causes for this symptom are electric fans, fluorescent lighting or laser printers. • If you have another monitor close to this monitor, increase the distance between them EN to reduce the interference. • Try plugging the monitor into a different AC outlet, preferably on a different circuit. • Try the monitor on a different computer in a different room. F Picture is flickering • Set the refresh rate on the computer to obtain the best possible picture by referring to ES your computer's manual. Picture appears to be ghosting • Eliminate the use of video cable extensions and/or video switch boxes if this symptom C occurs. Excessive cable length or a weak connection can produce this symptom. Wavy or elliptical (moire) pattern is visible • Cancel the moire (pages 12 - 13). The moire may be modified depending on the connected computer. • Due to the relationship between resolution, monitor dot pitch and the pitch of some image patterns, certain screen backgrounds sometimes show moire. Change your desktop pattern. Two fine horizontal lines (wires) are visible • These wires stabilize the vertically striped aperture grille (page 17). This aperture grille allows more light to pass through to the screen giving the Trinitron CRT more color and brightness. Hum is heard right after the power is turned on • When the power is turned on, the auto-degauss cycle is activated. While the autodegauss cycle is activated, a hum may be heard. The same hum is heard when the monitor is manually degaussed. This is not a malfunction. • If the problem persists, call your authorized Sony dealer from a location near your monitor. • Note the model name and the serial number of your monitor. Also note the make and name of your video board. 19