Read Sony ICF-704S Service Manual online
8
ICF-704S
telescopic
antenna terminal
antenna terminal
0.01
µ
F
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
set
16
Ω
set
v
jack (J1)
level meter
• 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.
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter
L3
86.5 MHz
CT1-4
109.5 MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1, 2
86.5 MHz
CT1-3
109.5 MHz
Adjustment Location: MAIN BOARD
FM SECTION
BAND switch : FM
L1,2
FM
TRACKING
ADJUSTMENT
FM
TRACKING
ADJUSTMENT
L6
SW
TRACKING
ADJUSTMENT
SW
TRACKING
ADJUSTMENT
CT2
SW
TRACKING
ADJUSTMENT
SW
TRACKING
ADJUSTMENT
T1
MW
IF
ADJUSTMENT
MW
IF
ADJUSTMENT
L3
FM
FREQUENCY
COVERAGE
ADJUSTMENT
FM
FREQUENCY
COVERAGE
ADJUSTMENT
L5
MW
FREQUENCY
COVERAGE
ADJUSTMENT
MW
FREQUENCY
COVERAGE
ADJUSTMENT
L7
SW
FREQUENCY
COVERAGE
ADJUSTMENT
SW
FREQUENCY
COVERAGE
ADJUSTMENT
CT3
SW
FREQUENCY
COVERAGE
ADJUSTMENT
SW
FREQUENCY
COVERAGE
ADJUSTMENT
L4
MW
TRACKING
ADJUSTMENT
MW
TRACKING
ADJUSTMENT
CT1-4
FM
FREQUENCY
COVERAGE
ADJUSTMENT
FM
FREQUENCY
COVERAGE
ADJUSTMENT
CT1-3
FM
TRACKING
ADJUSTMENT
FM
TRACKING
ADJUSTMENT
CT1-2
MW
FREQUENCY
COVERAGE
ADJUSTMENT
MW
FREQUENCY
COVERAGE
ADJUSTMENT
CT1-1
MW
TRACKING
ADJUSTMENT
MW
TRACKING
ADJUSTMENT
– MAIN BOARD (SIDE A) –
– MAIN BOARD (SIDE B) –
CV1
S1
RV1
RV2
J1
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