MAINTENANCE AND TROUBLESHOOTINGBEFORE CALLING FOR SERVICECheck these items and see if you can correct the trouble by changing the adjustment of a control or the setting of a switch.By making these simple checks before calling for service, you may save time and money.Problem Try ThisPicture OK. Poor sound. Re-orient antenna. Try another channel -- possible station trouble.Adjust AUDIO MENU options. Check for local interference. Isantenna/cable connection loose?Sound OK. Poor picture. Re-orient antenna. Try another channel -- possible station trouble.Adjust VIDEO MENU options. Trouble with cable-TV system? Isantenna/cable connection loose?No picture or sound. Is TV on? Is there power in wall outlet? Is TV plugged in? Is antennahooked up? Is cable hooked up? Is the channel blocked by thePARENTAL CONTROL? Trouble with cable-TV system? Checkauxiliary audio/video equipment. Check channel selection.Picture blurred or distorted. Ghost in picture. Check antenna or cable hook up for broken wires. Try anotherchannel -- possible station trouble. Check for local interference.No color, or poor color. Is it a color program? Check antenna or cable hook up for brokenwires. Adjust VIDEO MENU options.No sound. VOLUME (VOL) setting may be too low. Check MUTE buttonoperation on remote control.Cannot select certain channels. Channels may be skipped in CH. ADD/DEL option of SETUPMENU.No closed captions Are captions available? Is CAPTION 1, 2, 3 OR 4 selected using theCAPTIONFI'EXT option on the SETUP MENU?Black or blue box covers half of screen. Is text information available? Is TEXT 1, 2, 3 or 4 selected in theCAPTION/TEXT option of the SETUP MENU.No picture or sound when VIDEO 1 or Is audio/video source hooked up properly? Are all wires connected toVIDEO 2 source is selected. VIDEO 1 IN or VIDEO 2 IN jacks on connection center?No stereo sound or weak stereo sound Check AUDIO mode. Was stereo sound present before selecti4agwhen using a stereo VCR. VIDEO 1 or VIDEO 2 source?PIP inset frame is black or lacks contrast when Adjust PIP COLOR AND CONTRAST settings in PIP MENU. Areselecting VIDEO 1 for PIP inset, all wires connected to VIDEO 1 IN jacks on connection center?PIP inset frame is "snowy" when using ANT/ Is TVNCR switch on the VCR in the TV position?CABLE for PIP and VIDEO I for main picture.Complete picture loss when using VIDEO 1 for Is TV/VCR switch on the VCR in the TV position?PIP insert source and ANT/CABLE for main picture.Remote control does not work. Are batteries okay? Is TV turned ON? Is TV plugged in?iAlways request that your technician use only genuine Zenithexact replacement parts for continued Quality and Safety per-formance. Keep your Zenith ALL Zenith.NOTES:• If your TV fails to respond to the PICTURE PREF. selec-tion, or to any other menu selection, you must reset theTV. Simply disconnect the AC power cord from thepower outlet. Wait a few minutes, then plug the TV backinto the power outlet. You will have to reset the clock tothe current time.• Unplugging the TV does not deactivate the ParentalControl.2916-A 12_2