Radio, Stereo, and Compact Disc: Description and Operation
System Diagram:
SYSTEM DESCRIPTION
1. COMMUNICATION SYSTEM
a. Components in the audio system communicate with each other through the Audio Visual Communication - Local Area Network (AVC-LAN).
b. The receiver has a resistance of 60 to 80 ohms, which is necessary for communication.
c. When a short circuit or circuit breakdown occurs in the AVC-LAN circuit, the audio system does not operate normally due to the communication cutoff.
2. DIAGNOSIS FUNCTION
a. The audio system has a diagnosis function. The diagnosis result is displayed on the LCD of the radio receiver assy.
b. A component code (physical address), or 3 digit code (in hexadecimal), is set for each component of the AVC-LAN.
c. The logical address, or 2 digit code (in hexadecimal), is set for each function and component unit in each component of the AVC-LAN.
3. COMPACT DISC PLAYER
a. The Compact Disc (CD) player uses a laser beam pickup to read the digital signals recorded on CDs and reproduce analog signals of music, etc.The CD player can play 12 cm (4.7 in.) and 8 cm (3.2 in.) discs.
NOTE: Never disassemble or apply oil to any part of the player unit. Only insert discs into the CD player.
CAUTION: Do not look directly at the CD player's laser beam. Be sure to only operate the player as instructed.
4. MAINTENANCE
a. Tape player/head cleaning:
1. Raise the slot cover with your finger. Using a pencil or similar object, push in the guide.
2. Using a cleaning pen or cotton applicator soaked in cleaner, clean the head surface, pinch rollers and capstans.
b. CD cleaning:
1. If a disc is dirty, clean the disc by wiping the CD's underside radially with a soft cloth.
NOTE: Do not use a conventional record cleaner or anti-static preservative.