54 | KDC-X993/ KDC-HD942U/ KDC-X693/ KDC-MP642U Troubleshooting Guide Some functions of this unit may be disabled by some settings made on this unit. ! • Cannot set up the subwoofer. • No output from the subwoofer. • Cannot set up the subwoofer position of Manual position setting. ▲ • of (page 4) is not set to On. • The Dual zone function is enabled. ☞ Setup> (page 28) ! • Cannot set up the subwoofer phase. ▲ The Low Pass Filter is set to Through. ☞ setting> (page 30) ! • Cannot select the output destination of the subsource in the Dual zone. • Cannot adjust the volume of the rear speakers. ▲ The Dual zone function is disabled. ☞ Setup> (page 28) ! • Cannot register a security code. • Cannot set up Display. ▲ (page 27) is not turned off. What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. General ? The Touch Sensor Tone does not sound. ✔ The preout jack is being used. ☞ The Touch Sensor Tone cannot be output from the preout jack. Tuner source ? Radio reception is poor. ✔ The car antenna is not extended. ☞ Pull the antenna out all the way. Disc source ? The specified disc does not play, but another one plays instead. ✔ The specified CD is quite dirty. ☞ Clean the CD, referring to the CD cleaning of the section on (page 3). ✔ The disc is loaded in a different slot from that specified. ☞ Eject the disc magazine and check the number for the specified disc. ✔ The disc is severely scratched. ☞ Try another disc instead. Audio file source ? The sound skips when an Audio file is being played. ✔ The media is scratched or dirty. ☞ Clean the media, referring to the CD cleaning of the section on (page 3). ✔ The recording condition is bad. ☞ Record the media again or use another media.
Previous Next