Kenwood TKR-851 Service Manual page 66

P
TX-RX UNIT (X57-696X-XX) (A/2)
8T
5CR
D/A
IC6
CONVERTER
M62354GP
16 1
VCC DO
15 2
VDD LD
14 3
AO6 CLK
13 4
AO5 DI
12 5
AO4 AO1
11 6
AO3 AO2
10 7
NC2 NC1
9 8
VSS GND
8TC
8C
W/N
K1
S76-0401-05
DC SW
D7 1SS355
C162 0.01u
Q24
DTD114EK
DC SW
MB
MO
CN4
L21
-64.0dBm
10u
DC SW
DTC114EUA
L23
1u
Q3
C52
2SC3356(R24)
B:0.76V
0.01u E:0V
C:4.94V
RF AMP
FM IF
SYSTEM
X1
44.395MHz
C58
C53
18p
1000p
L20
R50
1u
15k
WIDE/NARROW SW
D3
DAN235K
R160
470
W/N
Q
SCHEMATIC DIAGRAM
SHIFT
IC7
REGISTER
BU4094BCF
1
STRB VDD
2
DATA OE
3
CLK Q5
4
Q1 Q6
5
Q2 Q7
6
Q3 Q8
7
Q4 Q'S
8
VSS QS
DC SW
D12
02DZ18(X,Y)
Q25
DTC114EUA
DC SW
C216
R60
10k
470p
C66
330p
Q26
C60
C67
0.01u 330p
C64 0.1u
CF1
L72-0366-05
D4
DAN235K
WIDE
WIDE/NARROW SW
CF2
L72-0376-05
R161
470
NARROW
Note : The components marked with a dot (
R
16
15
14
13
12
11
10
9
LDT
LDR
EPT
EPR
CP
DP
L43
B:0.67V
E:0.07V
C:3.70V
C78
0.1u
C73
R83
0.1u
0
Q7
2SC4617(S)
D13
MA742
NOISE AMP
NOISE
DETECTION
R65
4.7k
7.90V
W5:5.05V
W4:0V
N:0V
L24
Q27
L34-4459-05
DTC144EUA
WIDE5kHz/
WIDE4kHz
SWITCH
•
S
TKR-851
E04-0154-05
+3.0dBm
CN19
CN15
E40-5703-05
E
1
2 B
B
3
CN16
E40-5632-05
1 GND
2 NC
L40 3 8T
L39 4 PC
5
L38 FAS
L37 6 FDT
7
L36 BUP
L35 8 TMP
CN14
E40-6009-05
36
8C
35 8C
34 NC
33 SB
32 SB
31
SB
30 SB
29
NC
28 QS
27 GND
26 GND
28.5mV
25
MO
24 MB
23 GND
22 SOE
21 TMP
20 PSW
19
BUP
18 LD2
17
FWD
16 STB
R137 1k 15 CK
R138 1k 14 DT
13 LDT
12
LDR
R139 0 11 EPT
R140 0 10 EPR
R141 0 9 CP
R142 0 8 DP
R182 7
0 SC
6 RSSI
5
ASQ
4 GND
3 NC
75mV 2
DET
NC
1
SURGE
PROTECTOR
D5
3.70V
MA742
NOISE
DETECTION
DC SW
Q5
DTA144EUA
DC SW
Q4 Q6
DTC144EUA DTC144EUA
W5:5.03V
W4:5.03V
N:0V
Q4
W5:0V
WIDE/NARROW SW
W4:0V
N:4.78V
-118.0dBm
CN18
E04-0154-05
) are parts of layer 1.
X57-696 (A/2) 4/4
T
1
FINAL UNIT
(X45-374X-XX)
(A/2)-CN1
FINAL UNIT
(X45-374X-XX)
(A/2)-CN5
FINAL UNIT
(X45-374X-XX)
(A/2)-CN3
2
3
4
5
6
7
55