Schematic Diagram - Kenwood TK-7160 Service Manual

A
TK-7160
TX-RX UNIT (X57-7080-10)
1
R401
R402
R403
2
1.52V
R404
2.2k
3
4
5.01V
5
CN2
1 SB
2
3 GND
D6
D4
4 DETO
DA221 DA221
FNC1
5
FNC2
6
7 FNC3
8 FNC4
FNC5
9
FNC6
10
11 FNC7
12 FNC8
6
D4-11
SURGE
ABSORPTION
CN3
IGN
1
DATAI
2
3 DETO
TXAFI
4
TXAFO
5
EMGMIC
6
7 RXAFO
ALTI
8
RXAFI
9
5C
10
11 8C
7
40
X57-708 1/4
B

SCHEMATIC DIAGRAM

VOLTAGE
DROPPED
R421
D421
8.2k
HZU5ALL
R422
10k
1k
1k
1k
X401
L77-1944-05 5.0V 4.93V
R409 C413
VC
5C
100 0.1u
16.8MHz
C414
L402
GND XOUT
10u6.3
10u
TCXO
R408
100k
4.96V
R341
100
C343
R:7.21V
68p
L341
C341
330n
100p
Q341
R:0.64V
2SC3928A
BUFFER AMP
C231
15u
6.3
IC201
M62364FP
DIGITAL
POTENTIO
METER
SB
5M
TXAFO
TXAFI
RXAFI
D8 D10
DA221 DA221
DETO RXAFO
FNCI 5C
FNC2
FNC3
FNC4 DETO
FNC5 8C
FNC6
FNC7
FNC8
IGN
DATAI
DETO
TXAFI
TXAFO 5C
RXAFO
ALTI
RXAFI
5C
8C
5C
C
R424
470
Q421,422
CHARGE PUMP
Q421
R426 R427 R429
2SA1832(GR)
Q422
1k 2.7k 1.5k
2SC4738(GR)
PLL SYSTEM
IC401
MB15A02
RF AMP
TX VCO
6.89V
Q431
L446 D444
0.701V
2SC4649(N,P)
C431 R431
270n
MA2S304
1000p
0
TX VCO
RIPPLE
FILTER
R449
100k
W:4.94V
WIDE
N:0V
CF301
L72-0993-05
IF SW IF SW
D332 D331
MC2858 MC2858
CF302
L72-0999-05
NARROW
W:0V
N:4.94V
R:7.9V
DUAL GROUND
SENSE OP-AMP
IC214
BA10358FV
1 8
oUT
VCC
2 7
-IN1 oUT2
6
3
+IN1 -IN2
5
4
VEE
+IN2
R221
L211
4.7k
R801
100k
DUAL GROUND
IC215
SENSE OP-AMP
BA10358FV
C220
5 4
+IN2 VEE
Q212
6 3
0.1u
2SK1830
-IN2
+IN1
EMERGENCY MIC
7
2
oUT2 -IN1
8 1 C230
VCC oUT
10u6.3
8.0V
D
CV
C445
4.5p
RX VCO
RX VCO R:5.98V
Q441
L441 D442 2SK508NV(K52)
L421 C441
L443
270n 33n
MA2S304 30p
RX VCO
Q442
R:0V
2SJ347
T:6.79V
R443
220
Q444
TX VCO
C458
4.31V
10p
Q444
C453 2SK508NV(K52)
L448
47n
150p
7.93V Q445
2SC3928A
MODULATION
L451
R450
47k
RIPPLE
FILTER
1 20
50.4MHz
OSC(B) RFIN
2 19
OSC(E) GND
7.92V 3 18
NC Hy_C
C324 0.1u 4 17
MIX_O SCAN
R307
5 16
VCC
SCAN
270k
6 15
IF_IN
SQLIN
C323 0.1u 7 14
DEC1
FLAMPO
C322 8 13
0.1u
DEC2
FLAMPI
R323 2.2k 9 12
PH_S RSSI
R322 10 11
12k
AFO
QUCO
IC321
TK14489V
FM IF
SYSTEM
L321
L34-4554-05
Q213
C223
2SK1830
0.1u
MIC MUTE
R201
120k
C203
C222
0.033u
C202 0.1u
Q201
2SC3928A
4.7u6.3
TX AF
(DETO)
D212
MC2858
R216
R218
0
R217
820
D211
100 AGC
1SS372
C215
OR GATE
MIC AMP
0.1u
Q211
NJM2100V
2SC4919
C214 39p
AGC/MIC MUTE 1
R214 330k
C218 R219 C227
R215 2
2.2k
0.1u 22k 0.1u 3
2.5V
4
C219 R222
0.1u 22k
R223
1k
E
R:1.15V
C447
0.3p
Q442,443
T/R SW
6.88V
Q443
KRX102U L452
R445
1k
R:4.78V
T:0V
T:0.93V
C460
0.5p
6.88V
Q445
RIPPLE
FILTER
7.58V
TX/RX
UL
AFV
FLAMPO
RSSI
NARROW
WIDE
PLLE
DTM/HSDI
DT
CK
EVLLD
DETSW
SCRSW
HSDSW
AFW
5.0V
14
1
I/O1
VDD
13
2
O/I1
C1
3 12
O/I2
C4
4 11
I/O2
I/O4
10
5
C2
O/I4
9
6
C3
O/I3
7 8
VSS
I/O3
IC213
BU4066BCFV
QUAD ANALOG SW
MICMT1
LSDI
5.0V
IC211
R212
75k
8
V+
7
R213
6
5 75k
2.5V
C213 C211
0.1u
0.018u
R231
68k
MICEM