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WM-F31 /F41 /F41SS
WM-F31 /F41 /F41SS
Adjustment Location
|
Setting
VTVM
Function: AM
FM TRACKING ADJUSTMENT
|
—
t
(0.5 ~ 5 VAC range)
ns
a maximum reading
:
|
AM REF signal generator
|
32 2
[7]
on
7
|
Put the lead-wire
:
. (7k)
| ah
antenna close to
i
O
eo
109.5 MHz
the set.
~
HEAD PHONES
30% amplitude
modulation by
400 Hz signal
Main board
component side
Se
aM
Y,
cig
Adjustment Location
Main board (component side)
C))
{ |@ j
Cf] Sts rz
HOES
T3
ee peed. ee
AM FREQUENCY COVERAGE
:
CS
(2 [2
ADJUSTMENT
@
@i
|
audio board
Adjust for a maximum reading
|
ce
~
__on VIVM.
S| on — SZ
o| ers}
7-2
us
Z
:
oy Sle
~AT2
O
rN
1
T3
Adjust for a maximush reading
Adjust for a minimum reading
on VTVM.
on distortion meter.
FM IF ALIGNMENT
1
FM IF ALIGNMENT
2
(10.7 MHz with modulation)
~ (10.7 MHz with modulation)
:
:
WwW .
distortion
meter
AM IF ADJUSTMENT
Adjust for a maximum reading
on VTVM.
T
AM TRACKING ADJUSTMENT
Adjust for a maximum reading
on VIVM.
| 620kHz
|
3
CT1-3
7
1,400 kHz
455 kHz
:
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