Adjustment - Kenwood KR-6030 Service Manual

ADJUSTMENT
INSTRUMENTS USED NOTES FOR ADJUSTMENTS
OScillOscOpe! sg. t2 08 Wend ea eh date Epieive ape ko as SCOPE * Use moderate instrument outputs at all times.
AM signal generator... .........2...02 0020022 eee AM-SG * Repeat tracking adjustments 2 or 3 times and finally confirm
FM signal generator ........... 0.22002 ee FM-SG the result using respective local stations.
Audio generator 6... ce eb ee ee eee AG * The output Jevel of RF-SG is made a loss by the dummy antenna.
Solid state voltmeter. o... 2. eee ee eee SSVM * OdB=1uV
FM multiplex generator ................00020050- FM-MPX
Frequency counter
RECEIVER OUTPUT ADJUSTMENT ADJUSTMENT
CONNECTION SETTING SETTING POINTS METHOD
FM SECTION
M
FM MUTING OFF T meter Meter indication in
Noise (between m the center.
local stations)
DISCRI
95 MHz 60 dB FM Maximum optimum
1 kHz (Mod) 95 MHz waveform, minimum
75 kHz (Dev) FM MUTING OFF distortion.
90 MHz FM
1 kHz (Mod) 90 MHz
75 kHz (Dev) FM MUTING OFF Maximum optimum
1 kHz (Mod) 106 MHz
75 kHz (Dev) FM MUTING OFF
95 MHz 60 dB
Minimum output.
L and R are reversed
and the same adjust-
ment is performed.
If any difference is
found, the output
levels are adjusted to
the average value.
FM-MPX:
SELECTOR
SEPARA- LorR FM
TION 1 kHz (Mod) 95 MHz
FM-SG: FM MUTING OFF
95 MHz 60 dB
68.25 kHz (Dev)
FM-MPX:
SELECTOR
L+R Maximum optimum
1 kHz (Mod) waveform.
FM-SG: Minimum distortion.
95 MHz 60 dB
68.25 kHz (Dev)
AM SECTION
1000 kHz
IFT 400 Hz 30% (Mod)
100 dB
AM Maximum optimum
1000 kHz CFg5 waveform.
600 kHz
AM
Lgi3
400 Hz 30%
(Mod)
600 kHz
Bar antenna
waveform.
1400 kHz AM
400 Hz 30% (Mod) TCg5, 6
100 dB 1400 kHz