Pioneer FH-P404 UC Service Manual page 63

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FM ADJUSTMENT
Modulation M:MONO MOD., 400Hz 30%(22.5kHz 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.
No.
Frequency(MHz)
1
TUN Volt
IF 1
1
ANT Coil
1
RF Coil
IFT 1
ARC 1
DOLBY B NR ADJUSTMENT
No. Test Tape
1 NCT-150
(400Hz,200nwb/m)
TE
L 13942296513
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FM SSG
Level(dBf)
••••• •••••
98.1 M 60
98.1 M 5
98.1 M 5
98.1 M 5
98.1 S 39
Adjustment Point
VR301(Lch),VR302(Rch)
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2 9
8
Displayed Adjustment
Point
Frequency(MHz)
108.0 L5
98.1 T51
98.1 L2
98.1 L4
98.1 T31
98.1 VR154
Q Q
3 6 7 1 3 1 5
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FH-P404
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)
DC V Meter(2) : –8.24dBs±1dB
(DOLBY NR Switch : OFF)
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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