Sony MHC-GX90D Operating Instructions (primary manual) - Page 69

Self-diagnosis function (When letters/numbers appear in the display) When the self-diagnosis function is activated to prevent the system from malfunctioning, a fivecharacter service number (e.g., C 13 00) with a combination of a letter and digits appears on the screen. In this case, check the following table. C:13:00 First three characters of the service number Cause and/or corrective action C 13 The disc is dirty. , Clean the disc with a soft cloth (see page 70). C 31 The disc is not inserted correctly. , Re-insert the disc correctly. E XX To prevent a malfunction, the (XX is a number) system has performed the self- diagnosis function. , Contact your nearest Sony dealer or local authorized Sony service facility and give the 5-character service number. Example: E 61 10 Additional Information Precautions On operating voltage Before operating the system, check that the operating voltage of your system is identical with the voltage of your local power supply. On safety • The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off. • Unplug the system from the wall outlet (mains) if it is not to be used for an extended period of time. To disconnect the cord (mains lead), pull it out by the plug. Never pull the cord itself. • Should any solid object or liquid fall into the component, unplug the system and have it checked by qualified personnel before operating it any further. • The AC power cord must be changed only at a qualified service shop. On placement • Do not place the system in an inclined position. • Do not place the system in locations where it is: - Extremely hot or cold - Dusty or dirty - Very humid - Subject to vibrations - Subject to direct sunlight. • Use caution when placing the unit or speakers on surfaces that have been specially treated (with wax, oil, polish, etc.) as staining or discoloration of the surface may result. On heat build up • Although the system heats up during operation, this is not a malfunction. • Place the system in a location with adequate ventilation to prevent heat build up in the system. • If you continuously use this system at a large volume, the cabinet temperature of the top, side and bottom rises considerably. To avoid burning yourself, do not touch the cabinet. • To prevent a malfunction, do not cover the ventilation hole for the cooling fan. continued Additional Information 69GB