Pioneer FX-MG9337ZT Service Manual page 89

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QQ
3 7 63 1515 0
AM NOISE CANCELER ADJUSTMENT
Connection:
A
SSG
Pulse generator
(equivalent to HP8011A)
Setting of the pulse generator (setting of
superimposed pulse)
B
50us
5ms
Adjustment:
1. Setting of SSG
Receiving frequency
Percentage modulation : 30%
Modulation frequency : 400 Hz
C
Antenna input
2. Tune a RADIO to the "999kHz" with 1' condition.
3. .Mix signal with the above-mentioned pulse and
SSG' moduration OFF.
TE
L 13942296513
4. Variable resistance adjust noise level to a
minimam.
Adjustment point : VR561
D
E
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F
84
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FX-MG9427ZT/ES
KEX-M8406ZT
2-signal pad AM dummy
FX-MG9327ZT/ES
KEX-M9406ZT
FX-MG9527ZT/Q1
Pulse width :50usec
4Vp-p(EMF)
Pulse intervals :5msec
Pulse voltage :4Vp-p
: 999 kHz
: 74 dBuV (EMF)
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FX-MG9427ZT/ES
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Output
Noise meter
Q Q
3 6 7
u163
y
3
4
2 9 9 4
8
1 3 1 5 0 5 8 2 9
m
co
.
4
2 8
9 9
9 4 2 8 9 9