TK-7102H TK-7102H49 50
LEVEL DIAGRAM
S
To make measurements in the RF section,
connect the RF Wattmeter (50Ω).
13dBm–5dBm
G2
Q351
14
3
J1
IC201
IC161
D
–7dBm
IC203
Q353 XF1
12
7
Q251
IC202 Q504
To make measurements in the AF section, connect the AC level meter.
(ANT input : –53dBm, 1kHz FM, 3kHz DEV (Wide)/1.5kHz DEV (Narrow))
The AF output level is adjusted for a 0.45V/4Ω by the front panel AF VOL control.
W: –123.5dBm
N: –123.0dBm
W: –119.0dBm
N: –118.5dBm
W: –104.5dBm
N: –103.5dBm
W: –104.0dBm
N: –103.5dBm
W: –112.0dBm
N: –111.5dBm
W: 0.49mVrms
N: 0.20mVrms
W: 1.05Vrms
N: 0.44Vrms
W: –92.0dBm
N: –90.5dBm
W: ���77.5dBm
N: –74.0dBm
W: –85.0dBm
N: –84.5dBm
IC202
BPF BPF 8
68
Q406
ANT
X54-346
G2
9
9
1
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 SINAD.)
TX-RX Unit
Q410
18dBm
12
1
1
G1
4Ω
11
2
Q411
10
FINAL Amp
2
Q503
IC251
2
S
7
Q352
10
D409
IC252
TX-RX Unit
S
IC251
Display Unit
IC402
D
Audio Frequency
5
IC161 Q501
1
D
TX-RX Unit (VCO)
IC251
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.
–8dBm
D
CF1
/CF2
450kHz
IC251
7
W/N
5.0mVrms
W/N
0.10Vrms
W/N
1.40Vrms
W/N
1.16Vrms
W/N
1.26Vrms
W/N
1.04Vrms
Q502
11
G
IC203
–7dBm
TX-RX Unit
S
IC301
1
5
49.95MHz
D602
9
G
IC201
50W
G1
20 3
1ANT
Center Frequency
W/N
0.33Vrms
W/N
0.32Vrms
W/N
0.26Vrms
W/N
0.30Vrms
W/N
0.31Vrms
W/N
10mVrms
W/N
0.50Vrms
W/N
0.45Vrms