Sony D-FS601 - Page 10

10
D-FS601
• Switch Location
VOLUME : MAX
BASS
TJ8 (VT)
L5
TV TRACKING
adjustment
L1
FM TRACKING
adjustment
CT3, L3
AM TRACKING
adjustment
L4
AM FREQUENCY
COVERAGE asjustment
CT3
L3
or BASS : OFF
AVLS : OFF
[AM]
BAND: AM
Signal generator
[FM]
BAND : FM
Signal generator
• Connecting levelmeter
• Connecting digital voltmeter
TUNER SECTION
Adjustment Location: Main board (Side B)
0 dB = 1 µV
AM FREQUENCY COVERAGE ADJUSTMENT AND CHECK
Adjustment Part Frequency Display Reading on Digital Voltmeter
L4 530kHz 1.2 ± 0.05V
Confirmation 1710kHz 7.6 ± 0.5V
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on levelmeter
L3 620kHz
CT3 1400kHz
( ): US model
FM FREQUENCY COVERAGE CHECK
Adjustment Part Frequency Display Reading on Digital Voltmeter
Confirmation
87.5MHz 4.2 ± 0.5V
(87.5MHz) (5.5 ± 0.5V)
FM TRACKING ADJUSTMENT
Adjust for a maximum reading levelmeter
L1 98.0MHz
US model only
TV TRACKING ADJUSTMENT
Adjust for a maximum reading on levelmeter
L5 ch10 197.75MHz
•Repeat the procedures in each adjustment several times for the
maximum level meter indication.
•The AM tracking adjustments should be finally done by the
trimmer capacitors.
Put the lead-wire
antenna close to
the set.
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
AM RF signal
generator
0.01µF
FM RF signal
generator
FM I
N
point
75kHz(100%) amplitude modulation
by 1kHz signal.
Output level: as low as possible
16 Ω
set
levelmeter
J302 (
i)
100k Ω
digital voltmeter
TJ8 (VT)
TJ8 (VT)
L5
TV TRACKING
adjustment
L1
FM TRACKING
adjustment
CT3, L3
AM TRACKING
adjustment
L4
AM FREQUENCY
COVERAGE asjustment
CT3
L3