13
ICF-CD855V
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1 450 kHz
AM VCO VOLTAGE ADJUSTMENT
Adjustment Part Frequency Display Reading on Digital Voltmeter
L6 530 kHz 1.0 ± 0.1 V
Confirmation 1,710 kHz 5.3 ± 0.7 V
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L5 620 kHz
CT5 1,400 kHz
FM/TV/WEATHER IF ADJUSTMENT
Adjust for a minimum reading on level meter
T2 10.75 MHz
FM/TV (2 – 6 CH) VCO VOLTAGE ADJUSTMENT
Adjustment Part Frequency Display Reading on Digital Voltmeter
L4 TV 2 ch 0.5 ± 0.15 V
CT3 108 MHz 4.5 ± 0.15 V
FM/TV (2 – 6 CH) TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L2 TV 2 ch
Confirmation 108 MHz
TV (7 – 13 CH)/WEATHER VCO VOLTAGE ADJUSTMENT
Adjustment Part Frequency Display Reading on Digital Voltmeter
L3 WEATHER 2 ch 1.2 ± 0.15 V
CT4 TV 13 ch 4.2 ± 0.15 V
TV (7 – 13 CH)/WEATHER TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1 WEATHER 2 ch
CT2 TV 13 ch
Adjustment and Connecting Location:
TUNER and MAIN board (See page 14)
TUNER SECTION 0 dB=1 µV
[AM]
Setting:
Function: RADIO
Band: AM
[FM/TV/WEATHER]
Setting:
Function: RADIO
Band: FM/TV/WEATHER
•Repeat the procedures in each adjustment several times, and the
tracking adjustments should be finally done by the trimmer ca-
pacitors.
• Remove FM/TV/WEATHER antenna in FM/TV/WEATHER
adjustment.
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
Put the lead-wire
antenna close to
the set.
+
–
level meter
set
8
Ω
MAIN board
CNP304 pin
2
MAIN board
CNP304 pin
1
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz
signal
Output level:
as low as possible
+
–
level meter
MAIN board
CNP304 pin
2
MAIN board
CNP304 pin
1
set
8
Ω
0.01
µ
F
TUNER board
TP (GND)
TUNER board
TP (ANT)
digital voltmete
TP (VT)
TP (GND)
100 kΩ
TUNER board
SECTION 5
ELECTRICAL ADJUSTMENTS
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