Kenwood GX-201KHF2 Service Manual page 30

U
GX-201KHF2/LHF2/RHF2/SHF2
R407
33K
48
C405
100u10
+
IC41
Q403
6.6V
10K
50
47K
R412
Q404
3.9K
2
POWER
R413
3.9K AMP
C311
0.022
1/2 VCC
R313 430
4.0V
4.0V
C35
IC31
FL
R319
4.0V
430
∗
R354 C315
5.1K
∗
R321
C312
0.022
R314
430
IC32
FR
R320
430
∗
C316
∗
R322
33
C261
R265 R267 C265
1u50
20K 20K 100P
C263 R271
680P 20K
ISO/
LPF
IC21
CD/CAS SW
IC24
4.0V
0V
C260
R264 R266
1u50
20K 20K
C208 C262 R270
0.1 680P 20K
30
X14-694x-xx (5/6)
V
C407
1
C307
0.047
R307
680
4.0V
∗
C333
∗
R303 4700P
∗
C303
IC31-34
C308
FIX-
0.047
EQ
R308
680
4.0V
∗
C334
4700P
∗
R304
∗
C304
∗
D
R277
2.7K
C203
C279
C136
0.1u50
2200P
0.047
0V
C137
0.022
C138
C280
4.7u16
C264
2200P
+
100P
C204
R278
0.1u50
2.7K
C209 0.1
C207 10u10
+
W
FM
C101
DIVER-SITY
0.01
C103 C104 R102
10u10 3900P 2.2K
+
L101
0.5V C106
0.01
0V
IC11
Q101
80mV
6.4V
R107 120K
C109 0.047
11mV
230mV R106 100K
C108 0.01
C331 C327
0.022 0.22
R335 R329
430 430
IC33
RL
4.0V
∗
R341
220
∗
C335 R325 5.1K
1500P
C323 2200P
∗
R343 200K
∗
R323
C332 C328
0.022 0.22
R336 R330
430 430
IC34
RR
4.0V
∗
R342
220
∗
C336 R326 5.1K
1500P
C324 2200P
∗
R344
200K
∗
R324
AM
NOISE CANCELLER
IC12
C124
3.4V
1000P
X
∗
C
Q102
FM
8V
22K
47 14
22K
Q103
Q104
AM
8V
22K
13
22K
Q105
∗
Q108
86
12
Q106
47K
47K
L108
4.7uH
∗
Q107
R112
4.7K
85
R151
Q151
2.2K
R154
10K
C155
120P
IC14
RDS DEMODULATE
96
IC14
0V
1
5 QUAL
2
3 RDDA
3
VREF
2.3V 4
MPX
L151
4.7uH
5
OSEL
6
GND
7
ARI
8
FILOUT
0V
L109
Y
∗
D101
D102
∗ ∗
L102 C110 C111
220P 220P
∗
D10
∗
L103
A3
1
RFG
2
FM
3
AM
4
OS
L105
4.7uH
5
FM
L106
6
AM
4.7uH
∗
7
L107
C116
OS
4.7uH
0.01 8
OS
9
C117
∗ NC
W107 10u10 10
OS
11
+
VT
12
CO
13
IFC
14
SDA SDA
15
SCL SC
16
DIG
17
VD
18
NC
19
∗
NC
R123
20
AU
21
1K
AM
22
S-M
23
IF1
24
IF1
C121 C142
0.01 0.01
C161 R159
Q153
8200P 10K
Q151-153
Q152
R163
NOISE
10K
AMP
10K
D151
R158 C164
5.6K 1000P
C160 C162 R161 R165
470P 82P 15K 82K
IC13
0V
5 4
BIN+ 4.0V V-
6 3
C165
BIN- AIN+
6P
7 2
BOUT AIN-
8 1
V+ AOUT
RDS NOISE AMP
8.0V
R157 R164
10K 10K
5.0V
16
RDCL
5V
15
C168
0V T57
12P
14
OSCOUT
2.3V
C169
5.0V
12P
13
OSCIN
12 5.0V
VCC
11
EXTRES
10
0V
TM
9
FSEL
∗
A
GX-201LEF2/REF2/KEF2/S
GX-201LHF2/RHF2/KHF2/S