Tx-Rx Unit (X57-7010-Xx) (B,C,D/4); Schematic Diagram - Kenwood TK-3170 Service Manual

AJ
TX-RX UNIT (X57-7000-XX) (A/4)
TX DRIVE AMP
Q603
RD01MUS1
L605
C617
R648
6.8n
15p 0
T:2.3V(Hi)
1.9V(Lo)
R:0V
T:2.5V(Hi)
2.1V(Lo)
R:0V
APC
5T
APC
R618
DSW
Q605 VOLTAGE
LIMITER
0 DTC114EE
Q605,606
APC VOLTAGE SW
Q606
2SK879(GR)
B
APCSW
PC
5R
D703-705
RF BPF TUNING
C752 C754
2p(B) 2p(B)
BPF
WIDE
NARROW
RSSI
ASQL
5R
5C
TX/RX VCO
DC SW
4.9V
Q504
SSM6P05FU(F)
T:5V T:0V
C570 C568
R:0V R:5V
0.01u 0.01u
RX
TX
2nd_Lo
Note : The components marked with a dot (
AK

SCHEMATIC DIAGRAM

RF FINAL AMP
Q604
RD07MVS1
C627
R626 R641
0 0
39p
T:1.9V(Hi)
1.6V(Lo)
R:0V
R628
18k
L714
T:0V
R:5V
T:0V
R:4.7V
C757 C759 C763
R743
100
1.5p(B) 2p(B)
470p
3SK318
RF AMP
2SC4649(N,P)
RF BUFFER AMP
Q506
2SC5488
D701
DAN235E
4.2V
L519
RIPPLE FILTER
D701,702
Q505
CERAMIC
2SC4617(S)
FILTER
W/N SW
D514
RIPPLE FILTER
STABILIZATION
DIODE
• ) are parts of layer 1.
AL
STRIP LINE
L613
C670
5.6n
82p
SURGE
ABSORBER
7.25V
R630
150k(D)
R631
150k(D)
T:5V
R:0V
T:0V
T:0V
R:5V
R:2V
C772
L720 R753
Q705
6.8n
0
470p
R704
C710
220k
39p
C705 L702
Q701
100n
22p
2ND LOCAL
TRIPLER
T:4.9V
R:4.9V
FM IF SYSTEM
CF701
L72-1010-05
TA31136FNG
1 OSCIN
D702
2 OSCOUT
DAN235E
C708
3 MIXOUT
WIDE
0.1u 4 VCC
CF702
L72-1012-05
C709
5 IFIN
C713
0.1u 6 DEC
0.1u 7 FILOUT
NARROW
R711 8 FILIN
470k
C714
R713
330k
NARROW
AM
TK-3170/3173
D604
L616 L617 L618
D604,605
4T
4T 4T
HVC131
ANT SW
D605 C676 C679 C681 C683
1.5p(B) 2p(B) 2p(B)
HVC131 100p
L615 R647
4T
0
D606,608
T:1.5V
R:0V
R633 R634
330k(D)
10k
IC601
C641
TA75W01FUF
100p
5 4
IN2+ VEE
6 3
IN2- IN1+
7 2
OUT-B IN1-
8 1
VCC OUT1
COMPARATOR(APC)
C651
0.1u
APC DC SW
Q607
DTC114EE
APC MUTE SW
Q609
R636
SSM3K15TE(F)
0 R637
22k
C776 C778
3p(B) 3p(B)
C782
33p
R757
1M
D706-708
RF BPF TUNING
R726
470k
IC701 T:0V
R:4.4V
16 2SC4649(N,P)
C724
MIXIN
15
33p
GND
14
R760
N-REC
0
13
N-DET
12
CD701
RSSI
L79-1474-05
11 C719
IFOUT
10 82p
QUAD
9
R717
2.7k
AFOUT
R715
39p 3.3k
Q702
R716
DTA144EE
3.3k
W/N SW /RX
W:0V
N:5V
X57-701 (A/4) 2/2
AN
1
ANT
2
ANT SW
APC
MUTE SW
Q608
DTA144EE
T:0V
R:7.4V
3
C784 R758
0
10p
4
5
IF AMP
Q703
T:0V
R:0.7V
6
R759
0
7
63