Pioneer KEH-1900 Service Manual page 31

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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
No.
Frequency(MHz)
1
TUN Volt
IF 2
3
ANT Coil
4
RF Coil
IFT 5
ARC 6
KEH-1950/X1M/ES
No.
Frequency(MHz)
TE
L 13942296513
1
TUN Volt
IF 2
3
ANT Coil
4
RF Coil
IFT 5
ARC 6
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FM SSG
Level(dBf)
••••• •••••
98.1 M 60 100
—
98.1 M 5
98.1 M 5
98.1 M 5
98.1 S 40
FM SSG
Level(dBf)
••••• •••••
98.1 M 60 100
—
98.1 M 5
98.1 M 5
98.1 M 5
98.1 S 40
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2 9
8
Displayed Adjustment
Point
Frequency(MHz)
107.9 L5
98.1 T51
98.1 L2
98.1 L4
98.1 T31
98.1 VR154
Displayed Adjustment
Point
Frequency(MHz)
Q Q
3 6 7 1 3 1 5
108.0 L5
98.1 T51
98.1 L2
98.1 L4
98.1 T31
98.1 VR154
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KEH-1900,1950
9 4 2 8
Adjustment Method
(Switch Position)
DC V Meter(1) : 6V
Center Meter : 0
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
(STEREO MODE)
mV Meter(1) : Separation 5dB
(STEREO MODE)
Adjustment Method
(Switch Position)
0 5 8 2 9 9 4 2 8
DC V Meter(1) : 6V
Center Meter : 0
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
(STEREO MODE)
mV Meter(1) : Separation 5dB
(STEREO MODE)
m
9 9
9 9
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