FM
RF
and
MPX
adjustments
Input
:
From rod antenna terminal (TP1) and ground (TP5)
Band select switch
:
Set to FM.
FM
SSG output
:
400 Hz, 30% (22.5 kHz DEV.)
FM mode
:
Set to STEREO.
Output impedance
:
75
R
unbalanced
Parts Arrangement for Alignment
Main
P.
W.
Board
Adjustment points Position of
VR2
Items
1
2
TUNING
Adjustment procedure
Input frequency
L2
TC2
88
MHz
109 MHz
Governer
P.
W.
Board
3
4
5
lAPE
SPEED
Minimum voltage (LOW frequency)
Maximum voltage (HIGH frequency)
8
(No. 1665)
Adjust to the required frequency.
Perform adjustment by repeating items 1 and 2.
Set the output to maximum.
Adjust to 76 kHz.
Connect TP6
-
TP2 (GND) to the
counter.
Adjust so that 90 MHz signal
is
received.
90 MHz
L1
VR1
To Next Page
Loading...
Need help?
General
