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Sharp GF-4545H Service Manual page 5

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SIGNAL
GENERATOR
step | JEST
3
DIAL
STAGE
CONNECTION
TO
INPUT SIGNAL
SETTING
RECEIVER
FREQUENCY
MW" position.
METER
CONNECTION
WHERE
TO
satisfied.
(Set the volume
contro! (VR3)
tomas")
apart from the bar
antenna (L5).
(The output of
signal generator
should be as smail|
as possible. }
Frequency
coverage
1650kHz, (400Hz,
30%, AM
modu-
lation)
600kHz,
(400Hz,
30%, AM
modu-
lation)
1400kHz,
(A0GHz,
30%, AM
modu-
lation}
TC5
Antenna coil
L5 (MW)
extreme right)
600kKHz
Same as step 2.
Same as step 2.
Same as step 2.
(See Note A)
Same as step 2.
Tracking
Antenna
trimmer
TC3
(See Note A)
Same as step 2.
2)
TEST
AM SWEEP
LOOP
GENERATOR
ANTENNA
AM IF CURVE
AM RF/IF
AMP
@
GND (TPS5)
455k Hz (GF-4545H)
465kHz (GF-4545E)
TEST
AM
SIGNAL
LOOP
EXT. SPEAKER
GENERATOR
ANTENNA
L5 (MW)
JACK (J202, J302)
Figure 5—1
i
ss - 7
A
AIL
aes
tacit
Lap
cae ame
ec e
os n ey c S e o

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