Sony ICF-703S, Service Manual

Page: 7 / 14

telescopic
antenna terminal
0.01
µ
F
FM RF signal
generator
22.5kHz frequency deviation
by 400Hz signal
Output level: as low as possible
set
16
Ω
set
v
jack (EPJ1)
level meter
– 7 – – 8 –
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter
L4 86.5 MHz
CT1-3 109.5 MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L8, L9 86.5 MHz
CT1-2 109.5 MHz
Adjustment Location: MAIN BOARD
FM SECTION
BAND switch : FM
CT5
SW
TRACKING
ADJUSTMENT
L6
SW
TRACKING
ADJUSTMENT
CT1-4
MW
FREQUENCY
COVERAGE
ADJUSTMENT
L4
FM
FREQUENCY
COVERAGE
ADJUSTMENT
CT1-1
MW
TRACKING
ADJUSTMENT
L8,9
FM
TRACKING
ADJUSTMENT
T1
MW
IF
ADJUSTMENT
CT1-2
FM
TRACKING
ADJUSTMENT
CT1-3
FM
FREQUENCY
COVERAGE
ADJUSTMENT
L5
MW
FREQUENCY
COVERAGE
ADJUSTMENT
– MAIN BOARD (COMPONENT SIDE) –
L7
SW
FREQUENCY
COVERAGE
ADJUSTMENT
CT6
SW
FREQUENCY
COVERAGE
ADJUSTMENT
L1
MW
TRACKING
ADJUSTMENT