31
KEH-1900,1950
FM ADJUSTMENT
Modulation
M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.)
S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow
the circuits to stabilize.
KEH-1900/X1M/UC
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
•••••
•••••
107.9
L5
DC V Meter(1) : 6V
IF
2
98.1 M
60
—
100
98.1
T51
Center Meter : 0
ANT Coil
3
98.1 M
5
98.1
L2
mV Meter(1) : Maximum
RF Coil
4
98.1 M
5
98.1
L4
mV Meter(1) : Maximum
IFT
5
98.1 M
5
98.1
T31
mV Meter(1) : Maximum
(STEREO MODE)
ARC
6
98.1 S
40
98.1
VR154
mV Meter(1) : Separation 5dB
(STEREO MODE)
KEH-1950/X1M/ES
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
•••••
•••••
108.0
L5
DC V Meter(1) : 6V
IF
2
98.1 M
60
—
100
98.1
T51
Center Meter : 0
ANT Coil
3
98.1 M
5
98.1
L2
mV Meter(1) : Maximum
RF Coil
4
98.1 M
5
98.1
L4
mV Meter(1) : Maximum
IFT
5
98.1 M
5
98.1
T31
mV Meter(1) : Maximum
(STEREO MODE)
ARC
6
98.1 S
40
98.1
VR154
mV Meter(1) : Separation 5dB
(STEREO MODE)
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