Read Sony SRF-87 (serv.man2) Service Manual online
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for maximum reading on level meter.
L4
520 kHz (Except Italian)
516 kHz (Italian)
1750 kHz (Canadian)
CT2
1650 kHz (AEP, UK, E, Australian)
1631.5 kHz (Italian)
SECTION 4
ELECTRICAL ADJUSTMENT
AM Section
Setting:
BAND switch: AM
FM Section
Setting:
BAND switch: FM
AM TRACKING ADJUSTMENT
Adjust for maximum reading on level meter.
L6
600 kHz
CT3
1400 kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for maximum reading on level meter.
L7
86.5 MHz (Except Italian)
87.35 MHz (Italian)
CT4
109.5 MHz (Except Italian)
108.25 MHz (Italian)
FM TRACKING ADJUSTMENT
Adjust for maximum reading on level meter.
L2
86.5 MHz (Except Italian)
87.35 MHz (Italian)
CT1
109.5 MHz (Except Italian)
108.25 MHz (Italian)
• Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustments should be fi-
nally done by the timmer capacitors.
nally done by the timmer capacitors.
+
–
–
– 5 –
TP (FM ANT IN)
set
headphone jack (
2
)
16
Ω
level meter
0.01 µF
22.5 kHz frequency deviation
by 400 Hz signal.
Output level: as low as possible
by 400 Hz signal.
Output level: as low as possible
FM RF signal
generator
generator
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
30% amplitude modulation
by 400 Hz signal
Output level: as low as possible
by 400 Hz signal
Output level: as low as possible
AM RF signal
generator
generator
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