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Adjustment method
Test instruments required adjustment
1.Digital oscilloscope (100MHz)
2.AM Standard signal generator
3.FM Standard signal generator
4.Stereo modulator
5.Electric voltmeter
6.Digital tester
7.Tracking offset meter
8.Test Disc JVC : CTS-1000
9.Extension cable for check
Standard measuring conditions
Power supply voltage DC14.4V(10.5 – 16V)
Load impedance 4 (4 to 8 allowance)
Line-out Level/Impedance
KD-SX870 : 4.0 V/20k load(full scale)
KD-SX770 : 2.0 V/20k load(full scale)
Output impedance : 1k
How to connect the extension cable for adjusting
Standard volume position
Balance and Bass & Treble volume : Indication "0"
Loudness : OFF
FM
AM
Dummy load
Exclusive dummy load should be used for AM,and FM.
For FM dummy load, there is a loss of 6dB between SSG output
and antenna input. The loss of 6dB need not be considered
since direct reading of figures are applied in this working
standard.
EXTGS004-26P
EXTGS004-26P
1 – 3 87.5MHz – 107.9MHz
530kHz – 1710kHz
Frequency Band
KD-SX870
KD-SX770
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299