SCHEMATIC DIAGRAM
TKR-851
77
7
6
5
4
3
2
1
T
S
R
Q
P
X57-696 (A/2) 4/4
-t
C205
100p
R58
15k
R54
1k
C53
1000p
C63
0.01u
R63
18k
C58
18p
IC7
BU4094BCF
1
STRB
2
DATA
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
10
11
12
13
14
15
16
EPR
C206
100p
R14
33k
R51
0
X1
44.395MHz
C75
0.1u
L23
1u
R137
1k
R57
3.3k
C184
1000p
D3
DAN235K
C61
8p
R140
0
C64
0.1u
C193
0.01u
8CR
L24
L34-4459-05
C56
0.01u
C65
10u10
R142
0
R176
47k
C54
0.01u
C69
0.1u
STT
R70
1k
C195
0.01u
C74
1000p
FCR
D12
02DZ18(X,Y)
R55
22k
R68
3.3k
C189
1000p
IC6
M62354GP
1
2
3
4
5
6
7
8
9
VSS
10
NC2
11
AO3
12
AO4
13
AO5
14
AO6
15
VDD
16
VCC
C162
0.01u
R138
1k
R67
56
R166
22k
R52
22k
C197
0.033u
R139
0
R66
330k
R141
0
Q5
DTA144EUA
Q4
DTC144EUA
L21
10u
C194
0.01u
C79
0.22u
C207
100p
C71
0.01u
R61
270k
2SC3356(R24)
Q3
R83
0
CN14
E40-6009-05
1
NC
2
DET
3
NC
4
GND
5
ASQ
6
RSSI
7
SC
8
DP
9
CP
10
EPR
11
EPT
12
LDR
13
LDT
14
DT
15
CK
16
STB
17
FWD
18
LD2
19
BUP
20
PSW
21
TMP
22
SOE
23
GND
24
MB
25
MO
26
GND
27
GND
28
QS
29
NC
30
SB
31
SB
32
SB
33
SB
34
NC
35
8C
36
8C
C217
1000p
C191
0.01u
CN19
E04-0154-05
R49
220
C67
330p
D13
MA742
CN15
E40-5703-05
1
E
2
B
3
B
C77
1000p
R50
15k
C52
0.01u
C192
0.01u
C70
0.1u
CN4
D5
MA742
Q26
DTC114EUA
R48
47k
EPT
K1
S76-0401-05
CP
D4
DAN235K
C62
0.01u
R56
6.8k
LDR
DP
LDT
C198
0.1u
R62
2.2k
C78
0.1u
TH1
Q6
DTC144EUA
C216
470p
R165
470
C204
100p
R182
0
D11
02DZ5.1(Y)
C72
10u10
SRR
C66
330p
R60
10k
C190
1000p
R72
330k
CN16
E40-5632-05
1
GND
2
NC
3
8T
4
PC
5
FAS
6
FDT
7
BUP
8
TMP
R47
15k
C208
100p
FCT
C73
0.1u
L43
L20
1u
C163
0.01u
R53
6.8k
C213
0.01u
R69
3.3k
R65
4.7k
C68
0.1u
C57
0.01u
C76
47u10
CN18
E04-0154-05
C218
0.01u
R71
82k
C55
0.01u
C59
15p
C185
1000p
C60
0.01u
R161
470
R160
470
R181
1.8k
R164
270
R178
0
D7
1SS355
L36
L38
L40
L39
L37
L35
R169
3.9k
IC9
TK14489V
1
OSC(B)
2
OSC(E)
3
NC
4
MIXO
5
VCC
6
IFIN
7
DEC
8
DEC
9
FHASE
10
QU
A
D
11
12
13
14
15
16
17
SCAN
18
19
20
DC SW
NOISE
DETECTION
DC SW
SURGE
PROTECTOR
SHIFT
REGISTER
RF AMP
W4K SW
Q4
DC SW
8C
W/N
TX-RX UNIT (X57-6962-70)(B/2)-CN602
DC SW
D/A
CONVERTER
FM IF
SYSTEM
W/N
8TC
NOISE AMP
8T
5CR
NOISE
DETECTION
MB
DC SW
MO
WIDE/NARROW SW
WIDE/NARROW SW
WIDE/NARROW SW
CF1
L72-0366-05
CF2
L72-0376-05
WIDE
NARROW
AFO
RSSI
FL
TI
FL
T
O
SQLI
SCAN
HyS
GND
RFI
Q27
DTC144EUA
WIDE5kHz/
WIDE4kHz
SWITCH
FINAL UNIT
(X45-3742-71)
(A/2)-CN3
FINAL UNIT
(X45-3742-71)
(A/2)-CN5
FINAL UNIT
(X45-3742-71)
(A/2)-CN1
QS
Q’S
Q8
Q7
Q6
Q5
OE
VDD
DO
LD
CLK
DI
AO1
AO2
NC1
GND
2SC4617(S)
Q7
Q25
DTC114EUA
DC SW
Q24
DTD114EK
DC SW
-118.0dBm
3.70V
75mV
28.5mV
7.90V
B:0.76V
E:0V
C:4.94V
+3.0dBm
-64.0dBm
W5:0V
W4:0V
N:4.78V
B:0.67V
E:0.07V
C:3.70V
W5:5.05V
W4:0V
N:0V
W5:5.03V
W4:5.03V
N:0V
TX-RX UNIT (X57-6962-70) (A/2)