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TK-7160
47
LEVEL DIAGRAM
S
asurements in the RF section, connect the RF Wattmeter (50Ω).
D
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.
v
el meter.
2dB SINAD.)
TX-RX Unit
Q446
1
11
Q447
FINAL Amp
Q503
2
D448
TX-RX Unit
S
IC402
Audio Frequency
Q501
D
n
it (VCO)
CF301
/CF302
450kHz
G
IC321
G
ANT
–12dBm
–12dBm –5dBm 19dBm–10dBm
25W
W: –93.5dBm
N: –90.0dBm
W: 0.58Vrms
N: 0.49Vrms
W/N
0.28Vrms
W/N
0.28Vrms
W/N
0.29Vrms
W/N
15mVrms
W/N
0.55Vrms
W/N
0.45Vrms
24
J1
IC201
23
14
13
12
4ohm
10
IC241
6
IC281
IC213
5
1
IC241IC201
11
W/N
0.28Vrms
IC241
31
2698
D602
Q502
S
D
G
15dBm