Operation Check - Akai ACR-18H Service Manual

Mobile audio system
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GENERAL SPECIFICATIONS OF SIGNAL
Standard frequency
Signal output
Modulation
AF output level
Power source voltage
AF load impedance
Balance
Tone
The signal strength read in this section is voltage on the antenna.

OPERATION CHECK

FM
MW
LW
FM
MW
LW
MW
FM Stereo
FM/MW/LW
DC 14.0V (Backup voltage is the same as this)
4 ohm pure resistance
Center position of level
Center position
Test Diagram
98.1 MHz (87.5, 108 MHz)
1000 kHz (522, 1620 kHz)
200 kHz
1mV
5mV
5mV
400 Hz
1 kHz
5
(144, 288 kHz)
30% MOD.
75 kHz DEV.
90% for L only or
R only pilot level 10%

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