13
CFD-CD777SMK2
TUNER SECTION
0 dB=1
µ
V
[FM]
Setting:
FUNCTION switch : RADIO
BAND switch : FM
[MW]
Setting:
FUNCTION switch : RADIO
BAND switch : MW
[SW]
Setting:
FUNCTION switch : RADIO
BAND switch : SW1/SW2
FINE TUNING knob ...................................... Mechanical center
• 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
L2
86.5 MHz
CT2
109.5 MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1
86.5 MHz
CT1
109.5 MHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
455 kHz
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter
L4
520 kHz
CT4
1,680 kHz
MW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L3
620 kHz
CT3
1,400 kHz
SW1 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter
L6
2.2 MHz
CT6
7.3 MHz
SW1 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L5
2.2 MHz
CT5
7.3 MHz
SW2 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter
L8
6.8 MHz
CT8
22.5 MHz
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L7
6.8 MHz
CT7
22.5 MHz
FM VCO Adjustment
Setting:
Procedure:
1. Connect the frequency counter to pin
4
and
7
of IC1 as shown
the figure below.
2. Tune the set to 98 MHz.
3. Adjust RV2 for 76 kHz
±
500 Hz reading on the frequency
counter.
Adjustment Location: MAIN board (See page 14)
Put the lead-wire
antenna close to
the set.
AM RF SSG
30% amplitude modulation by
400 Hz signal
output level: as low as possible
FM RF SSG
0.01
µ
F
FM/SW
telescopic
antenna
terminal
22.5 kHz frequency deviation
by 400 Hz signal.
output level: as low as possible
AM RF SSG
12 PF
FM/SW
telescopic
antenna
terminal
30% amplitude modulation by
400 Hz signal
output level: as low as possible
+
–
set
32
Ω
PHONES jack (J301)
level meter
0.001
µ
F
MAIN board
IC1 pin
qk
set
FM RF SSG
Carrier frequency : 98 MHz
Modulation
: 400 Hz, 30% FM modultion
Output level
: 0.1 V (100 dB)
+
–
MAIN board
IC1 pin
4
+
IC1 pin
7
1
µ
F
33 k
Ω
frequency counter
Summary of Contents for CFD-CD777S MK2
Page 64: ...64 CFD CD777SMK2 MEMO ...