Sony TFM-9450W Service Manual page 5

generator
test set
AM rf signal generator output level:
Usable lowest possible. :
FM rf signal generator modulation:
Fig. 3-3.
Speaker terminals
Rf Signal Rf Signal Receiver
Generator Generator Diat Adjust Remarks
Coupling Frequency Setting
400 Hz, + 22.5 kHz deviation
IFT A-1
Carasot
BAND selector: AM
VOLUME control setting: MAX
TONE control setting: HIGH
LOUDNESS switch setting: OFF
IFT A-3
3-6. AM FREQUENCY COVERAGE ADJUSTMENT
Test Setup: vom
AM rf signal loop antenna 0.5~5 VAC
generator
3-2. FM 1-F ALIGNMENT
VOM
Test Setup:
:
IFT @ $$ og 9572088
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Manne
os
-
oan
TN
gnal
0O5~5 VAC
0.002
5
generator
IFT
iA
'a A
2001 k IFT F-2
IFT F-3
IFT F-4
speaker terminals
5. Rf Signal Rf Signal Receiver
IFT F-5 Generator Generator Dial
Coupling Frequency Setting
FM EXT ANTENNA
terminals
BAND selector: AM
Adjust for maximum meter
reading.
Repeat adjustment two or
three times ending with TC4.
speaker terminals Fig. 3-1.
Rf Signal Receiver
Generator Dial
Frequency Setting
Cores of
IFT F-1 Test setup: See Fig. 3-1.
10.7 MHz No station,
with FM no beating IFT F-2 BAND selector: FM
' ook IFT F-3 Adjust for maximum meter reading.
modulation Position IFT F-4
Repeat adjustment two or three times.
3-7. AM TRACKING ADJUSTMENT.
IFT F-5
Test Setup: VOM
No input Test setup: See Fig. 3-2.
Signal :
Adjust for '*O0 VDC" meter reading.
AM rf signal loop antenna 0.5 ~5 VAC
(noise oniy) :
generator
test set
Or
Test Setup: Same as Fig. 3-1.
speaker terminals
Rf Signal Rf Signal Receiver
Rf Signat Rf Signal Receiver
Generator
Generator Dial Adjust
Remarks
Generator Generator Dial
Adjust Remarks
Coupling Frequency Setting
Coupling Frequency
Setting
Direct Minimum
Pitch of FM x
- Tune in bis
BAND selector: AM
connection
86.5 MHz frequency osc coil L3
BAND selector: FM di
620 kHz 620 kHz
ey AM Adjust for maximum meter
to FM EXT ~
- Adjust for maximum petra ing. a
Lod antenna
signal ant col reading.
ANTENNA
110 MHz Maximum FM osc trim-
Repeat adjustment two or three times ending
See Fig. 3-5. -
Repeat adjustment two or
:
frequency mer TC2
with TC2. Fix L3 with wax.
Tune in
, : 3 'i
terminals
AM ant trimmer
three times ending with TC3.
1,400 kHz 1,400 kHz Fix L4 w i
signal TC3 ix L4 with wax.