Read Sony SRF-H11 (serv.man2) Service Manual online
8
SRF-H11
TUNER SECTION
• POWER switch
: ON
• VOL
: MAX
AM Section
BAND switch
: AM
FM Section
BAND switch
: FM
SECTION 5
ELECTRICAL ADJUSTMENTS
AM RF signal
generator
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
FM RF signal
generator
generator
22.5kHz frequency deviation
by 400Hz signal.
Output level : as low as possible
by 400Hz signal.
Output level : as low as possible
FM WIRE
ANTENNA input
ANTENNA input
0.01 F
µ
set
16Ω
speaker output
level meter
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
520kHz
CT1-3
1,650kHz
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
620kHz
CT1-4
1,400kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
86.5MHz
CT1-1
109.5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
86.5MHz
CT1-2
109.5MHz
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
done by the trimmer capacitors.
Adjustment Location : MAIN board (See page 10)
0 dB=1µ V
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