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AJ
TX-RX UNIT (X57-7012-72) (A/4)
TX DRIVE AMP
Q603
RD01MUS1
L605
C617
R648
6.8n
5.6
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
Note : The components marked with a dot (
AK
SCHEMATIC DIAGRAM
RF FINAL AMP
Q604
2SK3476
L608
C627
R641
1.2n
0
27p
T:1.9V(Hi)
1.6V(Lo)
R:0V
R628
18k
L714
T:0V
R:5V
C759
C763
C757
R743
22
2p(B)
2p(B)
470p
RF BUFFER AMP
Q506
2SC5488
D701
DAN235E
4.2V
L519
RIPPLE FILTER
Q505
2SC4617(S)
D514
RIPPLE FILTER
STABILIZATION
DIODE
•
) are parts of layer 1.
AL
STRIP LINE
C670
L613
5.6n
100p
7.25V
150k(D)
150k(D)
T:5V
R:0V
T:0V
R:4.7V
T:0V
T:0V
R:5V
R:2V
L720
C772
R753
6.8n
Q705
0
470p
3SK318
RF AMP
C710
R704
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 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
AM
TK-3170
D604
L618
L616
L617
D604,605
4T
4T
4T
HVC131
ANT SW
D605
C679
C681
C683
C676
100p
1.5p(B)
3p(B)
HVC131
2.5p(B)
L615
R647
4T
0
D606,608
ANT SW
T:1.5V
R:0V
R633
R634
330k(D)
10k
IC601
C641
TA75W01FUF
5
4
100p
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
C778
C776
3p(B)
3p(B)
C782
8p
R757
1M
D706-708
RF BPF TUNING
IC701
T:0V
R:4.4V
C724
2SC4649(N,P)
16
MIXIN
15
33p
GND
R760
14
N-REC
0
13
N-DET
12
CD701
RSSI
L79-1474-05
C719
11
IFoUT
82p
10
QUAD
9
R717
2.7k
AFoUT
C714
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
APC
MUTE SW
Q608
DTA144EE
T:0V
R:7.4V
3
C784
R758
0
10p
4
5
R726
470k
IF AMP
Q703
T:0V
R:0.7V
6
R759
0
7
33
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