Sharp CD-DD4500 CDDD4500 Operation Manual - Page 41

Troubleshooting Chart (continued) CD-DD4500 s Remote control Symptom q The remote control does not operate. Possible cause q Is the AC power cord of the unit plugged in? q Is the battery polarity respected? q Are the batteries dead? q Is the distance or angle incorrect? q Does the remote control sensor receive strong light? s Condensation Sudden temperature changes, storage or operation in an extremely humid environment may cause condensation inside the cabinet (CD pickup, tape heads, etc.) or on the transmitter on the remote control. Condensation can cause the unit to malfunction. If this happens, leave the power on with no disc (or cassette) in the unit until normal playback is possible (about 1 hour). Wipe off any condensation on the transmitter with a soft cloth before operating the unit. References - Troubleshooting Chart - s Connecting DVD player Symptom q Although a DVD player is connected, no sound is heard. Possible cause q Is the power to the DVD player connected properly? q Is a digital signal being output from the DVD player? q Is "DVD NO" being displayed? q Does the type of DVD digital signal ap- pear in the display? q Since "DVD---" is not output from the Dolby digital source, it cannot be decorded. (Refer to page 28.) q Is a Dolby digital 2/0 (monaural) signal being played with the surround mode set to NORMAL and without a center speaker connected? s If trouble occurs When this product is subjected to strong external interference (mechanical shock, excessive static electricity, abnormal supply voltage due to lightning, etc.) or if it is operated incorrectly, it may malfunction. If such a problem occurs, do the following: 1. Set the unit to the stand-by mode and turn the power on again. 2. If the unit is not restored in the previous operation, unplug and plug in the unit, and then turn the power on. Note: If neither operation above restores the unit, clear all the memory by resetting it. 41