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

AJ
TX-RX UNIT (X57-7010-XX) (A/4)
TX DRIVE AMP
Q603
RD01MUS1-T113
C617 L605
* R648
6.8n
15p
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
0 DTC114EE LIMITER
Q605,606
APC VOLTAGE SW
Q606
2SK879(GR)F
B
APCSW
PC
5R
D703-705
RF BPF TUNING
C754
C752
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
X57-7010-XX (A/4)
-10 K
-11 K4
-14
K
-15 K4
-21 M
-12
K3
-13 K6
-22 M3
X57-7010-XX (A/4)
-10 K
-11
K4
-14 K
-15 K4
-21
M
-12 K3
-13 K6
-22 M3
AK

SCHEMATIC DIAGRAM

RF FINAL AMP
Q604
* L608
2SK3476-F
* C627 R626
* R641
0
T:1.9V(Hi)
1.6V(Lo)
R:0V
R628
18k
L714
T:0V
R:5V
C763
* C757 C759
* R743
2p(B) 470p
RF BUFFER AMP
Q506
2SC5488
D701
DAN235E
4.2V
L519
RIPPLE FILTER
Q505
2SC4617(S)
D514
RIPPLE FILTER
STABILIZATION
DIODE
D703 D704 D705 D706
TK-3170 (4KEY)
TK-3170 (16KEY)
TK-3173 (4KEY) HVC355B HVC355B HVC355B HVC355B
TK-3173 (16KEY)
TK-3170 (16KEY)
TK-3170 (4KEY)
TK-3170 (16KEY)
HVC350B HVC350B HVC350B HVC350B
TK-3170 (4KEY)
C671 C675 C678 C680 C681
TK-3170 (4KEY)
TK-3170 (16KEY)
TK-3173 (4KEY)
4.5p(B) 2p(B) 3p(B) 4p(B) 2p(B)
TK-3173 (16KEY)
TK-3170 (16KEY)
TK-3170 (4KEY)
TK-3170 (16KEY)
5p(B) 4p(B) 4p(B) 7p(B) 3p(B)
TK-3170 (4KEY)
AL
STRIP LINE
C670
L613 *
5.6n
7.25V
T:5V
R:0V
T:0V
R:4.7V
T:0V
R:5V T:0V
R:2V
L720 C772 R753
Q705
3SK318
6.8n 0
470p
RF AMP
C710
R704
220k 39p
C705 L702
Q701
2SC4649(N,P)
100n
22p
2ND LOCAL
TRIPLER
FM IF SYSTEM
CF701
L72-1010-05
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
D701,702
470k
CERAMIC
FILTER
W/N SW
R713
330k
NARROW
D707 L608 R626 R648 R743 C571 C619
HVC355B NO 0 0 100 0.1u 15p
HVC350B 1.2n NO 5.6 47 470p NO
C682 C683 C749 C750 C755 C757 C761
5p(B) 2p(B) 3.5p(B) 33p 33p 1.5p(B) 33p
7p(B) 2.5p(B) 4p(B) 18p 18p 2p(B) 18p
AM
TK-3170/3173
D604
L616 L618
L617
D604,605
4T 4T 4T
HVC131
ANT SW
D605 C683
C676 C679 * C681 *
HVC131 100p 1.5p(B)
L615
R647
4T
0
T:1.5V
R:0V
R634
R633
330k(D) 10k
IC601
C641
TA75W01FUF
100p 5 4
IN2+ VEE
6 3
R630
IN2- IN1+
150k(D) 7 2
oUT-B IN1-
8 1
R631 VCC oUT1
150k(D)
COMPARATOR(APC)
C651
0.1u
APC DC SW
Q607
DTC114EE
APC MUTE SW
R636
SSM3K15TE(F)
0 R637
22k
C776 C778
3p(B) 3p(B)
* C782
R757
1M
D706-708
RF BPF TUNING
T:4.9V
R:4.9V
T:0V
IC701
TA31136FNG R:4.4V
2SC4649(N,P)
C724
16
MIXIN
15
33p
GND
14 R760
N-REC
13 0
N-DET
12
CD701
RSSI
L79-1474-05
C719
11
IFoUT
10 82p
QUAD
R717
9
2.7k
AFoUT
R715
C714
39p 3.3k
Q702
R716
DTA144EE
3.3k
W/N SW /RX
W:0V
N:5V
C625 C627 C629 C636 C645 C652 C655
7p 39p 15p 22p 12p 22p NO
12p 27p 27p 18p 15p NO 27p
C774 C779 C782 C783
33p 33p 33p 6p(B)
18p 18p 22p 8p(B)
X57-701 (A/4) 2/2
AN
1
ANT
2
D606-608
ANT SW
APC
MUTE SW
Q608
DTA144EE
T:0V
R:7.4V
3
Q609
C784
R758
10p 0
4
5
R726
470k
IF AMP
Q703
T:0V
R:0.7V
R759
6
0
C660 C669 C670
22p 6p(B) 33p
15p 8p(B) 100p
7
35