Fm Band Frequency Coverage Alignment; Connect Fm S/G To Ant Inputs (Mod 1 Khz 22.5Khz Dev.); Fm Band/Tracking - Kenwood RXD-M57MP-H Service Manual

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FM Alignment:

Connect FM S/G to ANT inputs (mod 1 kHz 22.5kHz dev.)

Step S/G Frequency
1 87.5 MHz
2 108 MHz
FM GENERATOR
TE
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ADJUSTMENT
TEST UNIT
Vt
GROUND
Figure 5. FM Band Frequency Coverage Alignment
Dial Setting Indicator
Low end Connec t DC Voltage
meter to test point Vt
and ground
High end Same as step 1
TEST UNIT
TP1
DUMMY
ANTENNA
Figure 6. FM Band/Tracking
x ao u163
y
i
RXD-M57MP
2 9
8
DC
Adjust
VTVM
Q Q
3 6 7 1 3 1 5
DUMMY
LOAD
co
.
9 4 2 8
Remarks
Confirm Vt:
1.7 ± 0.2V
Confirm Vt:
8.5 ± 1V
OSCILLOSCOPE
0 5 8 2 9 9 4 2 8
m
9 9
9 9
7