Pioneer KEX-M8306ZT-91 Service Manual page 59

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3 7 63 1515 0
AM NOISE CANCELER ADJUSTMENT
Connection:
SSG
Pulse generator
(equivalent to HP8011A)
Setting of the pulse generator (setting of
superimposed pulse)
50us
5ms
Adjustment:
1. Setting of SSG
Receiving frequency
Percentage modulation : 30%
Modulation frequency : 400 Hz
Antenna input
2. Set the system as shown in 1., then tune to a
TE
radio station.
L 13942296513
3. Superimpose the pulse over signal to set
modulation of SSG to OFF.
4. Use a noise meter to monitor output. Adjust
VR201 to minimize the noise level.
www
.
http://www.xiaoyu163.com
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-91
KEX-M8406ZT
KEX-M8206ZT/UC
2-signal pad AM dummy
KEX-M8306ZT/UC
KEX-M9406ZT
Pulse width :50usec
4Vp-p(EMF)
Pulse intervals :5msec
Pulse voltage :4Vp-p
: 1000 kHz
: 74 dBuV (EMF)
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y
i
http://www.xiaoyu163.com
8
Output
Noise meter
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
59