Kenwood TH-F6A Service Manual page 41

Receiver section
Item Conditions
1. 2nd Local Switch to Service Setup mode
and carry out the operations for item D. Spectrum
1) B-Band
Frequency:146.050MHz (USB)
2) Frequency:-2.5KHz shift
3) Frequency:+2.5KHz shift
2. RX 1) B-Band
Demodulation Frequency:146.050MHz (FM)
SSG:(0dBm) 224mV
FM:3KHz
2) Frequency:90.100MHz(W-FM) Oscilloscope
SSG:(0dBm) 224mV
FM:50KHz
RX BPF tune Switch to Service Setup mode
and carry out the operations for item C.
A-Band
1) Frequency:145.050MHz
SSG:(-53dBm) 501µV
Mode:FM (3KHz)
AF VR:0.63V/8
SSG:(-121dBm) 0.199µV
2) Frequency:137.000MHz
SSG:(-115dBm) 0.398µV
3) Frequency:173.990MHz
SSG:(-121dBm) 0.199µV
4) Frequency:223.550MHz (K-Type only)
SSG:(-120dBm) 0.22µV
5) Frequency:216.000MHz (K-Type only)
SSG:(-115dBm) 0.398µV
6) Frequency:259.990MHz (K-Type only)
SSG:(-103dBm) 1.58µV
B-Band
7) Frequency:146.100MHz
SSG:(-117dBm) 0.32µV
8) Frequency:118.100MHz
SSG:(-110dBm) 0.707µV
9) Frequency:173.900MHz
SSG:(-120dBm) 0.22µV
10)Frequency:50.100MHz
SSG:(-115dBm) 0.398µV
11)Frequency:90.100MHz
SSG:(-93dBm) 5.01µV
12)Frequency:107.900MHz
SSG:(-110dBm) 0.707µV
13)With no device is connected to Oscilloscope
the antenna terminal, put the
transceiver in receive mode.
Frequency:MW0.540MHz
14)Frequency:MW0.800MHz
15)Frequency:MW1.200MHz
16)Frequency:SW3.000MHz
17)Frequency:SW6.550MHz
18)Frequency:SW10.090MHz
ADJUSTMENT
Measurement
Test equipment Unit
f.counter TX-RX
B/3
analyzer
SSG
Distortion
Meter
AF.V.M
SSG TX-RX
Oscilloscope
Distortion
Meter
Ω
AF.V.M
AF.V.M
Distortion
Adjustment
Terminal Unit Parts Method
TP3 Tuning Write
control
ANT L19 Tune L19 to obtain
S.P min distortion and
max AF OUTPUT.
L18 Tune L18 to obtain
min distortion and
max AF OUTPUT
ANT Tuning Write
SP control
Tuning Turn the Tuning
control control to obtain
max AF output.
MNU key Write
TH-F6A/F7E
Specifications/Remarks
57.1500MHz ± 50Hz
57.1475MHz ± 50Hz
57.1525MHz ± 50Hz
Min. Distortion
Min. Distortion
Max. Sensitivity
MAX.AF level
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