Kenwood TS-990S Service Manual page 181

Item Condition
SUB RX HF 7) Sub display f.: 13.890000MHz
BPF Mode: USB
P.AMP: OFF
• 11M Spectrum analyzer setting
Start frequency: 5MHz
Stop frequency: 20MHz
TG level: 0dBm
• 28M 8) Sub display f.: 28.100000MHz
Mode: USB
P.AMP: OFF
Spectrum analyzer setting
Center Frequency:
25.75MHz
Frequency span: 50MHz
TG level: 0dBm
• 30M~60M 9) Sub display f.: 50.000000MHz
Mode: USB
P.AMP: OFF
Spectrum analyzer setting
Start frequency: 5MHz
Stop frequency: 85MHz
TG level: -20dBm
After the adjustment, discon-
nect the cable from CN200
and CN203.
19. SUB RX 1) Sub display f.: 14.200000MHz
MCF Mode: USB
Spectrum analyzer setting
• 6kHz Center f.: 11.374MHz
Frequency span: 30kHz
TG level: 0dBm
Connect the tracking genera-
tor output to CN360.
Connect the spectrum ana-
lyzer input to CN370.
After the adjustment, discon-
nect the cable from CN360
and CN370.
• 15kHz 2) Menu No.: 36 (14.2MHz,
USB)
Spectrum analyzer setting
Center f.: 73.095MHz
Frequency span: 75kHz
TG level: 0dBm
Connect the tracking genera-
tor output to CN460.
Connect the spectrum ana-
lyzer input to CN470.
After the adjustment, discon-
nect the cable from CN460
and CN470.
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Tracking TX-RX CN200
generator (A/2) CN230
Spectrum
analyzer
Tracking TX-RX CN360 TX-RX
generator (A/2) CN370 (A/2)
Spectrum
analyzer
CN460
CN470
TS-990S
Adjustment
Parts Method
Check the waveform.
L368 Adjust each coil to
L369 obtain the frequency
response as shown.
L406 Adjust each coil to
L417 obtain the frequency
L418 response as shown.
L419
Specifi cations/Remarks
10.50MHz 13.90MHz
21.50MHz 30.00MHz
30.00MHz 60.00MHz
11.374MHz
6dB
6dB
3kHz
3kHz
73.095MHz
3dB
3dB
7.5kHz
7.5kHz
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