Kenwood UBZ-LJ8 Service Manual page 34

Q7
RF AMP
2SC
5092
3T
X : 424.30625MHz~424.39375MHz
Q11 XF1
IF AMP
MCF
KTC
4082
21.7MHz
SCRAMBLER/
DE-SCRAMBLER
RX
TX
SW fc=
300Hz
BY-
PASS
SW
SCLK
3.633MHz
BLOCK DIAGRAM
Q8
RF AMP
2SK
3656
VR4
P. CONT
3T
L31
BPF
Q9
RF AMP 446MHz
3SK 3SK
318 318
Q10
MIXER
IC209 BASEBAND IC
AK2346
VR4
–4.5~+4.5/1.5dB
RX
RXA2
TX
VR2
SW
–9.2~+3.0/0.2dB
SPLAT-
TER
FILTER
fc=
2.55kHz
CTCSS_OUT
D8,D10
ANT SW LPF
HVC131
HSC277
IC203
VR201
AF AMP
AF VR
DE-
LM48
EMPHA-
65M
SIS
2SA
B 1362
(GR)
SMF
MOD
2SC
Q220
4617
SW
SP_AMP
LPF
MOD
UBZ-LJ8
ANT
TX/RX FREQUENCY
446.00625MHz~
446.09375MHz
Q217,Q219
BTL SW
CPH3413
2SK1824
SP_MUT
BTL_IN
Q218
REM
AF SW
CPH
Q216
3MS
3413
SW
MIC
PTT
SP_MUT
(S)
SP
EXT. SP
J200
EXT. MIC
MIC200
31