Sony DAV HDZ273 Operating Instructions - Page 72

Symptom Remedy Severe hum or noise is heard. • Check that the speakers and components are connected securely. • Check that the connecting cords are away from a transformer or motor, and at least 3 meters (10 ft) away from your TV set or a fluorescent light. • Move your TV away from the audio components. • The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with alcohol. • Clean the disc. The sound loses stereo effect • Set [AUDIO] to [STEREO] by pressing AUDIO (page 31). when you play a VIDEO CD, a • Make sure the unit is connected properly. CD, or an MP3 file. The surround effect is difficult to • Make sure the "DEC. MODE" setting (page 26). hear when you are playing a • Check the speaker connections and settings (pages 14, 50). sound track of Dolby Digital, DTS, or MPEG audio. • Depending on the DVD, the output signal may not be the entire 5.1 channel. It may be monaural or stereo even if the sound track is recorded in Dolby Digital or MPEG audio format. The sound comes from the center • Depending on the disc, the sound may come from the center speaker only. speaker only. No sound is heard from the center speaker. • Check the speaker connections and settings (pages 14, 50). • Make sure the "DEC. MODE" setting (page 26). • Depending on the source, the effect of the center speaker may be less noticeable. • A 2 channel source is being played. No sound or only a very lowlevel sound is heard from the surround speakers. • Check the speaker connections and settings (pages 14, 50). • Make sure the "DEC. MODE" setting (page 26). • Depending on the source, the effect of the surround speakers may be less noticeable. • A 2 channel source is being played. There is no sound from the DIGITAL IN COAXIAL/ OPTICAL jack. • The sampling frequency of the input signal is more than 48 kHz. Operation Symptom Radio stations cannot be tuned in. Noise is heard on AM radio. The remote does not function. Remedy • Check that the antenna (aerial) is connected securely. Adjust the antenna (aerial) or connect an external antenna (aerial) if necessary. • The signal strength of the stations is too weak (when tuning in with automatic tuning). Use direct tuning. • No stations have been preset or the preset stations have been cleared (when tuning by scanning preset stations). Preset the stations (page 53). • Press DISPLAY so that the frequency appears in the front panel display. • Check the location of the AM loop antenna (aerial) and cord (page 19). • There are obstacles between the remote and the unit. • The distance between the remote and the unit is too far. • The remote is not pointed at the remote sensor on the unit. • The batteries in the remote are weak. 72US