Sony HMK-70 - Page 10

HMK-70 |
me
3-2.
FM
FREQUENCY
COVERAGE
AND
TRACKING
ALIGNMENT
Note:
1.
Before
starting
this
alignment,
be
sure
2.
Repeat
the
fm
frequency
coverage
that
the
fm
if
and
discriminator
alignment
and
tracking
alignment
two
alignment
has
been
performed,
and
.
or
three
times,
alternately.
that the dial is mechanically cali-
brated as described in Procedure 2-4
on
page
6.
VTVM
Test Setup:
HMK-70
0 o-oo
fm :
i FM
signal REC OUT
generator | | ANT | | iN
aera
Adjust for maximum
reading.
Preparation:
Short the connection point of R154 and C111
(AFC circuit) to ground as shown in Fig. 3-5.
Fig. 3-5. Interruption of AFC circuit
Procedure:
djustment parts location
pats
FM FREQUENCY COVERAGE ALIGNMENT | FM TRACKING ALIGNMENT
87.2 MHZ (« 87.5 MHz) (modulated) : | 87.2 MHz (% 87.5 MHz) (modulated) <2
108.4 MHz (% 108.0 MHz) (modulated) | Se)» 108.4 MHz (x 108.0 MHz) (modulated)
Note: -x West Germany Model only.