Alpine 7516MM - Electrical Inspection Specifications; Electrical Inspection Overview; Measuring Conditions; FM Inspection Procedures

7516M/7516MM
/7516L.
Electrical Inspection Specification
1. Measuring Conditions
(1) Power Supply > 0C1440.2V
(2) Load Impedance : 4ohm (Pre Out: 10k ohm)
(3) Power Output : 1W (2V)
(4) Signal Generator Output : SG Indication (SG of OPEN Indication)
(5) Control Settings
Fader = Front Position
Balance — Center position
Treble — Center Position
Bass = Center Position
(6) Standard Modulations
(FM) Mono : 400Hz 22.5kHz (MW / LW) 30% 400Hz
Stereo : L=R=1kHz L+R 22.5kHz
Pilot : 8%
(7) Dummy Antenna
FM MW /LW
10 ohm 45 ohm 30 ohm 15pF
60 ohm : 65pF
2. FM Inspection
Input(dB)
90.1 14 S/N more than 30dB
106.1
S/N more than 30dB
Stop Level] To be not Stopped 98.1 abate
(DX) | To be Stopped 98.1 | on | 27+5dB
To
be
not
Stopped
98.1
a
57 + 10dB
less than 1%
ON:1kHz | more than 25dB
Rchonly | (IHF T-200)
ON: 1kHz 8dB
Rch only
OFF more than 7.2V
0 to -9dB
Bae
ce