1.Outline
Depending on the country and the vehicle model, a radio unit (ETR) with a cassette tape player equipped with an anti-theft system may be used. “ANTI-THEFT SYSTEM” is printed on the cassette Read more Automotive ANTI-THEFT Audio System
Audio System
Automotive Audio System Service area
The range that the practical radio waves reach from the broadcast station.
Weak electric field
A radio wave weakens as it becomes far, like light. For this reason, the radio wave in an area far away Read more Automotive Audio System Service area
Automotive Audio System Terminology
Impulse noise
This noise is generated from the ignition switch of the vehicle, motor, switch, relay, lightning, etc.
AGC circuit (Automatic Gain Control circuit)
This is a circuit to correct the strength Read more Automotive Audio System Terminology
Audio signal, Video signal, and Control signal
Description of AVC-LAN
1.Outline
AVC-LAN is an acronym for Audio signal, Video signal, and Control signal. It is a unified standard developed by six companies including Toyota Motor Corporation.
Previously, Read more Audio signal, Video signal, and Control signal
Handling CD and CD Player
1.Handling CD player
When it is cold or rainy, if condensation (water droplets) from inside the CD player, ventilate or dehumidify.
Otherwise, the player may skip tracks or not play at all.
When driving Read more Handling CD and CD Player
Automotive CD Player
Description
1.Outline
A CD deck can be a type of D/A converter that converts recorded digital music or voice signals on the CD into original analog signals.
Since the digital signals are not degraded Read more Automotive CD Player
Automotive Tape Player
1.Outline
A tape player consists of the circuit that converts the music or voice recorded on the magnetic tape as a magnetic signal into electrical signal (playback) and the mechanism that drives the Read more Automotive Tape Player
Automotive Amplifier and Speaker
Amplifier
1.Outline
The sound signal from the tape player or the radio receiver is extremely weak, so it cannot be heard from the speaker. The amplifier is a device to amplify the sound signal from Read more Automotive Amplifier and Speaker
Inspection of Automotive Antenna
1.Inspection of antenna (with radio turned on)
Turn on the radio with the ignition switch in the ACC position and check the following items:
(1)Check antenna cable for open circuit
Turn the volume to Read more Inspection of Automotive Antenna
Principles of Automotive Antenna
1.Outline
The antenna can be said to be the radio signal’s “doorway” to the radio, and is thus an important element to reproduce good sound.
2. Types of antenna
The following two types of radio Read more Principles of Automotive Antenna