Kenwood TH-F6A Service Manual page 36

TH-F6A/F7E
C. BPF adjustment
1) Display the "BPF" item.
2) Select points f1 to f3 as shown in the "Frequency
Adjustment Points" table below.
3) Set the display frequency to the frequency appropriate
to the frequency adjustment point.
4) Turn the encoder to change the "real-time value".
5) Press [MNU] key to set the "real-time value" in the
EEPROM.
6) Adjust all frequency adjustment points.
3
144.000
BPF : 83 f1 : FF
Real-time value
Frequency adjustment point
• Frequency adjustment points
Band
A band 144MHz 3 points (f1, f2, f3)
220MHz 3 points (f1, f2, f3)
Others No adjustment
B band AM radio 3 points (f1, f2, f3)
HF 3 points (f1, f2, f3)
50,FM radio 3 points (f1, f2, f3)
118,144 3 points (f1, f2, f3)
TV-V,200
Others No adjustment
• To adjust "AM radio" or "HF" band, the bar antenna must
be activated (factory default: ON).
• If a band does not require adjustment, the following
message appears. Operations 4) and 5) are invalid.
•
433.000
BPF : ∗∗ f1 : ∗∗
D. Second local adjustment
1) Display the [2nd:
2) Set the operation band to B band.
3) Set display frequency to the adjustment frequency.
4) Turn the encoder, change the "real-time value", and
maximize the receiver volume. (Max. sensitivity)
5) Press [MNU] key to set the "real-time value" in the
EEPROM.
6) Display the [2nd:
7) Set the measuring equipment frequency to the "display
frequency -2.5kHz" and perform steps 4) and 5).
8) Display the [2nd:
9) Set the measuring equipment frequency to the "display
frequency +2.5kHz" and perform steps 4) and 5).
Frequency adjustment point
EEPROM setting
Real-time value
2nd : 83 +25 : FF
3
120.000
• Adjustment in FINE mode.
• Adjustment in B band only.
• There are only three frequency adjustment points (0, -25
and +25).
36
ADJUSTMENT
EEPROM setting
Frequency adjustment point
K destination only
0] item.
-25] item.
+25] item.
• If the operation band is A band, no adjustment is required,
and the following message appears. Operations 4) and 5)
are invalid.
•
144.000
2nd : ∗∗ +25 : ∗∗
E. SSB BFO adjustment
Note: You do not need to adjust [BFO: SW].
1) Display the [BFO: LS] item.
2) Set demodulation mode to LSB.
3) Turn the encoder, change the "real-time value", and set
the detection frequency to 1 kHz.
4) Press [MNU] key to set the "real-time value" in the
EEPROM.
5) Display the [BFO: US] item.
6) Set demodulation mode to USB.
7) Turn the encoder, change the "real-time value", and set
the detection frequency to 1 kHz.
8) Press [MNU] key to set the "real-time value" in the
EEPROM.
Adjustment point
EEPROM setting
Real-time value
BFO : 83 CW : FF
3
120.000
• Adjustment in B band only
• There are only two adjustment points (LS and US).
• If the operation band is A band, no adjustment is required
and the following message appears. Operations 3), 4), 7)
and 8) are invalid.
3
144.000
BPF : ∗∗ CW : ∗∗
F. Squelch adjustment
1) Display the [SQ: 1] item.
2) Set the display frequency and demodulation mode as
shown in the "Frequency/Mode Adjustment Points"
table below.
3) Press [MNU] key to set the "real-time value" in the
EEPROM as a threshold value.
4) Display the [SQ: 2] item.
5) Press [MNU] key to set the "real-time value" in the
EEPROM as a level 2 value.
6) Adjust all frequency/mode adjustment points.
3
144.000
SQ : 83 1 : FF
Real-time value EEPROM setting
Adjustment point