Kenwood TK-2180 Service Manual page 61

U
TK-2180
MOD
5T
DSW
APCSW
5C
TV
TCXO
FIN FILTER
SHIFT SW
1000p
Q14
DTA144EE
Q1
DTC144EE
FIN FILTER
SHIFT SW
X1
16.8MHz
L77-1952-05
Vc Vcc
GND OUT
5R PROTECTOR
R:4.23V
T:0.21V
W/N FILTER
SHIFT SW
W/N(L:WIDE,H:NARROW)
W/N
R:0V
T:5.09V
SQL CONTROL
D200 R202
220k
MA2S111
ASQL
R:2.80V
T:4.72V
5RC
THP/VCOADJ
ASQL
T/R
DMUTE
SPOUT
DT
MIC
5CNS
5R
TV
APC/TV2
B
RXD
TXD
RXD1
CPU_DGND
5M
56
X57-693 5/8
V
SCHEMATIC DIAGRAM
T/R SHIFT
C16
C7 D1 C8
82n
HVC131 470p 4p(B)
T/R SHIFT
D2
HVC131 C71
C17
470p 2p(B)
R4
6
AVDD
10
7
AVDD
L1
C6
R3 8
IC1
RFEin
4.7u ADF4111BCP7
0
1000p 9
DGND
10
DGND
IC1
PLL SYSTEM
R5
10k
C10
1000p
C11 1000p
C12
1000p
D
W:0V
N:4.94V
CF200
L72-1013-05
D201
D203
DAN222
DAN222
NARROW
CF201
L72-1014-05
FILTER FILTER
WIDE
SHIFT SHIFT
W:4.22V
N:0V
SQL CONTROL
D202
R:2.92V
RB706F-40
T:2.43V
R207
L200 C202
R214
0
330k
0.022u
2SC4617(S)
R206
R:0.64V
SQL NOISE AMP
1.5k
T:0.95V
W
R:0V R:0.78V
T:1.55V T:0.95V
L4
C25 D3
C28
7p(B) HVC131 1000p
T/R SHIFT
PLL IC
F_IN AMP
R:1.39V
T:0.19V T/R SHIFT
C72
L5 D4
68n
470p
HVC131
CV
20
R51
CP
R12 0
19
Rset
4.7k
18
R14
VP
C20 10
17
DVDD
1000p R15
16
DVDD
10
R13
R11 R53
1k
150k
0
C21
0.022u
C209
0.1u
C211
120p
C212
120p
R220
180k
R:5.0V
T:5.12V
W/N
R221
Q202
NOISE
2SJ243
SW
3.3k
R:4.97V
W/N SW
T:5.13V
/ RX
R222
Q204
DTA144EE
2.7k
R:1.25V
T:1.54V
C206
AUDIO OUT
Q201 0.1u
AF MUTE
R:1.00V
Q203
T:0.25V
2SK1824
R:4.88V
D204
D204
T:0.14V
DMUTE
MA2S111
CONTROL
R217
180k
X
TX-RX UNIT (X57-6930-10)
R:2.37V
T:2.44V
R25
56k
R:4.73V
T:4.88V
Q2
2SC5108(Y)
R:1.76V
T:1.87V
L8
R21
560
C215
0.1u
IC200
TA31136FN
FM IF
SYSTEM
R227 C292
0.01u
0
R:4.64V
T:0.18V
2SC4649(N,P)
R:1.0V
T:1.11V
Y
MOD
TMP
5T
DSW
APCSW
T/R
5C
5R
R:0.71V
R230
T:0.17V
560k C228
R231
Q205
0.01u 180
IF AMP
SPOUT
MIC
5CNS
TV
APC/TV2
B
RXD
TXD
RXD1
CPU_DGND
5M