Level Diagram - Kenwood TK-8102 Service Manual

TK-8102
Receiver Section
W : –121.0dBm
N : –120.5dBm
ANT
BPF
Transmitter Section
Display
Unit
X54-346
MIC
To make measurements in the AF section, connect the AC level meter.
AG is set so that MIC input becomes 3kHz/1.5kHz (Wide/Narrow) DEV at 1kHz MOD.
50

LEVEL DIAGRAM

Center Frequency
W : –119.0dBm W : –105.5dBm
N : –118.5dBm N : –105.5dBm
Q353
D
G2
BPF
G1 S
W/N
5.0mVrms
W/N W/N
0.10Vrms 1.40Vrms
IC201 IC201
2 1 6 7
W : –106.0dBm
N : –105.0dBm
Q352
D
G2
G1
S
To make measurements in the RF section, connect the RF level meter.
In the RF section, use a 0.01µF coupling capacitor.
(The display shows the SSG input value required to obtain 12dB SINA
TX-RX Unit
W/N W/N
1.16Vrms 1.26Vrms
IC202 IC202
3 1 5 7
49.95MHz
W : –85.0dBm
N : –80.5dBm
W : –117.5dBm W : –103.0dBm
N : –117.0dBm N : –101.5dBm
XF1
Q351
W/N W : 1.05Vrms W : 0.49Vrms
1.04Vrms N : 0.44Vrms N : 0.20Vrms
IC203 IC203
2 1 9 8
450kHz
CF1
/CF2
IC301
20
T
IC161
Q4
9 10
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