Level Diagram - Kenwood NX-800H Service Manual

–82.0dBm –82.0dBm 186mVrms
IF AMP
(ASIC)
IC201
E1
IC510
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).
W: 354mVrms W: 198mVrms
N: 177mVrms N: 99mVrms
(EVOL)
DEV, BAL
(VCO_MOD)
1 3 6
IC712
Buff AMP
Q9
MOD TX VCO
VCTCXO
MB
19.2MHz

LEVEL DIAGRAM

226mVrms
(RXAF SMF) (RX SUM)
K1 3 4 6
IC701
W: 198mVrms
N: 99mVrms
(TX VCO)
7
IC5 Q6
–2.5dBm 6.5dBm
Drive AMP Drive AMP
Q10 Q101
NX-800/800H
Audio Frequency
226mVrms 96mVrms
(EVOL)
VOL=20
7 13 14
IC711 IC712
+17.5dBm
D103 : HK
D104,D106,
Drive AMP Final AMP
Q102 IC102 D216
Gate
bias
PC
DC DC
AMP AMP
MP
IC101 IC103
(SP AMP)
1 4
IC715 J701
K HK
450~490MHz: 45W
30W
490~512MHz: 40W
512~520MHz: 35W
SW ANT Filter
D108 D109 D110
DET DET DET
4.00Vrms
ANT
101