Schematic Diagram - Kenwood TK-7160 Service Manual

F
TX-RX UNIT (X57-7102-70)
VCO 1/2 DIVIDER
5.01V
IC402
UPB1509GV
BUFFER AMP
1
5.92V
Q446
VCC1 VCC2
0.76V
2SC5108(Y)
C469 C470
2
IN OUT
6p
2p 3
IN SW2
4
GND SW1
R454
0
TX/RX
UL
XF351
R:0.75V
R:5.01V
L71-0624-05
C351 R353 R354 C350
4
33p 470 0.01u
10k
Q351
2SC5488
IF AMP
R309
3.3k RECTIFICATION
SQL AMP
R:4.28V
Q301
C309
2SC2412K
C306
FLAMPO
0.022u
1000p
R:1.10V
R:1.63V
MA742
RSSI
NARROW
WIDE
CK
DT
PLLE
FREQO
BLI
PC/TVO
TVO
5C
DTM/HSDO
DETSW
SCRSW
HSDSW
AFW
MICMT1
LOSDI
R273
Q241
RT1P141U
180k
W/N SW / TX (D)
MICEM
G

SCHEMATIC DIAGRAM

RF AMP
7.40V
Q447
8
1.2V
2SC4649(N,P) L457
C475 C476
7
100n
18p
6
1000p
0.52V
5
R463
TP
R:2.53V
L352
C349
1 R355
560n MIXER
0.01u 330
R:6.30V
Q352
3SK318
D
G2
S
G1
C359
R:1.26V
8p
D301
R269
68k
(D)
C264
2.5V
33p
2.5V
1
AGNDIN
DTRAIN
2
TXIN
AMP4O
3
TXINO AMP4N
AUDIO
4
PROCESSOR
LIMLV AMP4P
5
EXTLIMIN IC241 AMP3O
6 AQUA-L
5.0V
MOD AMP3N
7
VDD
AMP3P
DTRLOADN
8
9
STD
C251
0.047u
H
RF SW
(TX/RX)
R:0V
4.86V T:5.61V
D448
HSC277
C480 C502
100p 1000p
RF SW
(TX/RX)
R:5.65V
T:0V
C487
0
11p
D351,352
R:6.96V
RF BPF TUNING
C367 C371
R364
150p 0 2p
R:3.19V
R263 C260
330k
0.47u
R207
18k
R259
25
24 270k(D)
5.01V
23 R258
22 C256 200k(D)
21 330p
20 R257
180k
19
C255
18 R276
VSS 56p
17 22k
XIN
R254 R255
470k 150k
R252 C252 R253 2SC4649(N,P)
R251
R238
47k 100k 5.6k
0.1u
47k
I
TK-7160/7162
PRE DRIVE AMP
Q501
T:1.21V
2SC3357(RF)
C503
R503
18 100p
TEMPERATURE
COMPENSATION
R:4.37V
RF AMP
Q353
3SK318
D353,354
RF BPF TUNING
G2
D
R369
C380 C384
0
S
G1
100p 1.5p
R:2.84V
R:1.09V
R:1.69V
R:1.71V
IC201
M62364FP
DIGITAL
POTENTIO
METER
R277
22k
R256
47k
R209
R240
47k
0 R250
Q242 1M Q243
X241
C234 C236 2SC4649(N,P)
L77-1968-05
5p 5p
3.6864MHz
Q242,243
AQUA BEAT SHIFT
J
T:0.43V
8T
TX/RX
UL
C388 R378
4p
0
R381
100k
8TC
SQIN
RSSI
NARROW
WIDE
CK
DT
PLLE
DETSW
SCRSW
HSDSW
AFM
NICMT1
LSDI
HSDI
DTMF/MSK
EVLLD
QT/DQT
R236
47k
ABS
MICEM
LIMSW
43
X57-710 2/4