Kenwood TK-8180 Service Manual page 78

455kHz
W : –83.5dBm
N : –83.0dBm
CF171/
CF172
05.5dBm
0dBm
3
IC172
16
72
SINAD are obtained Measured by
oint via a 0.01µF capacitor.
96mVrms
48mVrms –0.5dBm
Q307
TX
VCO
Q313
Wattmeter by 50Ω
LEVEL DIAGRAM
W : –86.0dBm
N : –86.0dBm
315mVrms
200mVrms
5
IC412
9 6 7
AF VTVM
AF level obtained when the AF output level is adjusted for 4.00V/4Ω
with the front panel AF VOL control. Measured with AF voltmeter
connected to the external speaker jack, receiving a –53dBm SSG
signal modulated at 1kHz, DEV. WIDE 3kHz (NARROW 1.5kHz).
+2.5dBm +8dBm
Q2
Q1
Audio Frequency
190mVrms
IC413 IC415
1 15 5 26
TX-RX unit
Power module
+17dBm
IC1
1 4
TK-8180
88mVrms
IC410 IC417
16 15 1 5
(B/3)
450~490MHz : 30W
490~520MHz : 25W
ANT
4.00Vrms
J401
73