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

AJ
TX-RX UNIT (X57-7010-XX) (A/4)
TX DRIVE AMP
Q603
RD01MUS1
L605
C617 * 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)
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
X57-7010-XX D703
-10 K TK-3170 (4KEY)
-11 K4 TK-3170 (16KEY)
HVC355B
-14 K TK-3173 (4KEY)
-21 M TK-3170 (16KEY)
-12 K3 TK-3170 (4KEY)
-13 K6 TK-3170 (16KEY) HVC350B
-22 M3 TK-3170 (4KEY)
X57-7010-XX C660
-10 K TK-3170 (4KEY)
-11 K4 TK-3170 (16KEY)
22p
-14 K TK-3173 (4KEY)
-21 M TK-3170 (16KEY)
-12 K3 TK-3170 (4KEY)
-13 K6 TK-3170 (16KEY) 15p
-22 M3 TK-3170 (4KEY)
AK

SCHEMATIC DIAGRAM

RF FINAL AMP
* L608 Q604
2SK3476
C627
* * R626
R641
0
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
2p(B) 470p
RF BUFFER AMP
Q506
2SC5488
D701
DAN235E
4.2V
L519
RIPPLE FILTER
Q505
2SC4617(S)
D514
RIPPLE FILTER
STABILIZATION
DIODE
D704 D705 D706 D707 L520
HVC355B HVC355B HVC355B HVC355B 68n
HVC350B HVC350B HVC350B HVC350B NO
C669 C670 C671 C675 C678 C680 C681
6p(B) 33p 3.5p(B) 2p(B) 3p(B) 4p(B) 2p(B)
8p(B) 100p 5p(B) 4p(B) 4p(B) 7p(B) 3p(B)
AL
STRIP LINE
C670
L613 *
5.6n
7.25V
150k(D)
150k(D)
T:5V
R:0V
T:0V
T:0V
R:5V
R:2V
C772 R753
Q705 L720
3SK318
6.8n
0
470p
RF AMP
R704 C710
220k 39p
C705 L702
Q701
2SC4649(N,P)
100n
22p
2ND LOCAL
TRIPLER
T:4.9V
R:4.9V
FM IF SYSTEM
CF701
L72-1010-05
TA31136FNG
1
oSCIN
D702
2
DAN235E
oSCoUT
C708
3
WIDE
MIXoUT
0.1u 4
CF702
VCC
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
L524 L608 R548 R549 R551 R626 R648 R743
NO NO 47 680 NO 0 0 100
22n 1.2n 0 NO 0 NO 5.6 47
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
L618
L616 L617
D604,605
4T 4T 4T
HVC131
ANT SW
D605 C679 C681 * C683
C676 *
100p 1.5p(B)
HVC131
L615 R647
4T
0
D606,608
ANT SW
T:1.5V
R:0V
R633 R634
330k(D)
10k
IC601
C641
TA75W01FUF
100p 5 4
IN2+ VEE
R630 6 3
IN2- IN1+
7 2
oUT-B IN1-
8 1
R631 VCC oUT1
COMPARATOR(APC)
C651
0.1u
APC DC SW
Q607
DTC114EE
APC MUTE SW
Q609
R636
SSM3K15TE(F)
R637
0
22k
C776 C778
3p(B) 3p(B)
* C782
R757
1M
D706-708
RF BPF TUNING
T:0V
IC701
R:4.4V
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
9 R717
AFoUT
2.7k
C714 R715
3.3k
39p
Q702
R716
DTA144EE
3.3k
W/N SW /RX
W:0V
N:5V
C571 C574 C619 C625 C627 C629 C636 C645
0.1u 100p 15p 7p 39p 15p 22p
470p 10p NO 12p 27p 27p 18p
C774 C779 C782 C783
33p 33p 33p 6p(B)
18p 18p 22p 8p(B)
X57-701 (A/4) 2/2
AN
1
ANT
2
APC
MUTE SW
Q608
DTA144EE
T:0V
R:7.4V
3
C784
R758
10p 0
4
5
R726
470k
IF AMP
Q703
2SC4649(N,P)
T:0V
R:0.7V
6
R759
0
C652 C655
27p 22p NO
15p NO 27p
7
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