Kenwood TK-80 Service Manual page 52

Item
14. S/N check 1) M CH: Following M CH
Transmitter Section
Item
1. ALC voltage 1) M CH: 11
adjustment
2. TX AMP 1) M CH: 11
adjustment
3. MIX BIAS 1) M CH: 11
adjustment
4. CW/AM CAR 1) Power ON while holding the
level setting
2) Menu No.: 26
5. TGC 1) Menu No.: 10
adjustment
2) Menu No.: 11
3) Menu No.: 12
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Condition
equipment
Radio
AF VR: 0.45V/4Ω tester or
SSG f.: Following frequency SSG
(USB: +1kHz, LSB: –1kHz)
AF V.M
Oscilloscope
DM. SP
M CH Frequency
13 550.0kHz
14 1.550.0kHz
15 1.800.0kHz
16 3.550.0kHz
17 7.100.0kHz
18 10.100.0kHz
19 14.100.0kHz
20 21.200.0kHz
21 24.800.0kHz
22 28.687.0kHz
Condition
equipment
D.V.M
Transmit
50Ω
Insert the measure cable to terminated
CN19. Oscilloscope
Transmit or
Spectrum
analyzer
Transmit
Spectrum
[SCAN] and [DATA] keys. analyzer
(Service adjustment mode)
Menu No.: 25
Transmit
Transmit
Transmit
Transmit
Transmit
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ADJUSTMENT
Measurement
Test-
Terminal
Unit Unit
Rear ANT
panel
EXT.SP
Mode SSG OUT
AM –89dBm
AM –89dBm
LSB –119dBm
LSB –119dBm
LSB –119dBm
LSB –119dBm
USB –119dBm
USB –119dBm
USB –119dBm
USB –119dBm
Measurement
Test-
Unit Terminal Unit
TX-RX TP1 TX-RX VR12
CN19
CN19 Front
panel
Adjustment
Parts Method
S/N measurement
SSG MOD DEV
1kHz 60%
1kHz 60%
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Adjustment
Parts Method
2.7V
L60 Repeat adjustment
L61 2 to 3 times.
L63 Level maximum
L64
L65
L67
L69
VR2 Level maximum
[MODE] 9dBm
or
[DATA]
6.5dBm
6dBm
3dBm
0.8dBm
TK-80
Specifications/Remarks
10dB or more
AIP ON: Sensitivity down
(5~10dB)
Specifications/Remarks
+0.05V, –0.10V
CAR at 14.250MHz: MAX
± 1dB
± 0.5dB
± 0.5dB
51