Mazda 2007 CX-9, Service Highlights

Page: 565 / 614

ENTERTAINMENT
09-20–55
09-20
INVERTER CONSTRUCTION/OPERATION
id092000808900
Outline
•
DC 12 V voltage from the battery is converted to AC 115 V and supplied to the power supply socket (AC 115 V)
Operation
1. When the ignition switch is turned to the ACC or ON position, current flows to the terminal E of the inverter.
2. Current passes through the circuit to turn the transistor on.
3. The current flows to the relay coil to turn on the relay.
4. Current (DC 12 V) from the battery flows to the converter circuit through the relay from the terminal M of the
inverter.
5. The converted current is supplied to the power supply socket (AC 115 V) from the inverter terminals A and B.
End Of Sie
NG: HF/TEL SYSTEM
HANDS-FREE TELEPHONE (HF/TEL) SYSTEM OUTLINE
id092000819800
•
Calls can be made without operating the cellular phone
*1
directly by using the voice recognition, which allows
the user to concentrate on driving.
•
If the cellular phone has been programmed, Bluetooth
*2
is connected automatically each time the ignition
switch is turned to the ACC or ON position.
•
A voice recognition microphone and a speaker are used for conversation exchange.
*1 : A Bluetooth applicable cellular phone is required separately as the communication device.
*2 : Radio communication technology in which sound and data are transferred by connecting wireless cellular
phones or personal computers.
End Of Sie
B+
ACC
(1)
(3)
(5)
(5)
(3)
(2)
(4)
INVERTER
CPU
POWER SUPPLY
SOCKET (AC 115 V)
M
E
N
A A
C B
POWER
SUPPLY
CIRCUIT
CONVERSION
CIRCUIT
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