(
): Italian model
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
86.5 MHz (87.35 MHz)
CT3
109.5 MHz (108.25 MHz)
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
CT2
109.5 MHz (108.25 MHz)
AM FREQUENCY COVERAGE ADJUSTMENT (C290)
Adjust for a maximum reading on level meter.
L4
520 kHz (516.5 kHZ)
CT4
1,650 kHz (1,631.5 kHz)
AM TRACKING ADJUSTMENT (C290)
Adjust for a maximum reading on level meter.
L1
600 kHz
CT1
1,400 kHz
LW FREQUENCY COVERAGE ADJUSTMENT (C290L)
Adjust for a maximum reading on level meter.
L4
145 kHz
CT6
265 kHz
LW TRACKING ADJUSTMENT (C290L)
Adjust for a maximum reading on level meter.
L1
160 kHz
CT5
240 kHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455 kHz
– 5 –
– 6 –
SECTION 3
ELECTRICAL ADJUSTMENTS
FM SECTION
Setting:
BAND switch: FM
AM SECTION
Setting:
BAND switch: AM/LW
• Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustments should be fi-
nally done by the trimmer capacitors.
Adjustment Location: MAIN board (Conductor Side)
FM RF signal
generator
400 Hz, 30% FM modulation
frequency deviation
±
22.5 kHz
Output level: as low as possible
0.01
µ
F
set
lead antenna
input terminal
AM RF signal
generator
400 Hz, 30%
AM modulation
Output level: as low as possible
Put the lead-wire
antenna close to
the set.
level meter
set
speaker terminal
8
Ω
+
–
IC1
CT6
LW FREQUENCY
COVERAGE
AM FREQUENCY
COVERAGE
FM TRACKING
AM TRACKING
LW TRACKING
AM IF
FM FREQUENCY
COVERAGE
L4
L3
L3
CV1
CT2
CT5
L1
T1
CT1
CT4
CT3
Summary of Contents for Dream Machine ICF-C290
Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...
Page 6: ......
Page 7: ... 10 9 4 2 SCHEMATIC DIAGRAM EXCEPT E MODEL See page 15 for IC Block Diagrams ICF C290 C290L ...
Page 8: ......
Page 9: ... 14 13 4 4 SCHEMATIC DIAGRAM E MODEL See page 15 for IC Block Diagrams ICF C290 C290L ...
