Kenwood TK-7160 Service Manual page 49

P
TX-RX UNIT (X57-7102-70)
ANT SW
C603
D602
MA4PH633 1000p
T:0.9V
ANT SW
R655
47k
TEMPERATURE
COMPENSATION
8TC
8RC
AMPSW
SPM
Q45,46
DC SW (8T)
Q46
KRC102S
R47
10k
8R
2SA1745(6,7)
Q43,44
DC SW (8R)
8R
R44
4.7k
Q44
KRC102S
5.01V
5C
INT
RESET
SBC
Q
SCHEMATIC DIAGRAM
C626 C613
5p
3p
L603 L604
5T 5T
APC
VOLTAGE
DETECT
D606
MA742
D609
1SS355 T:9.0V(Hi)
:3.6V(Lo)
C293
1u
R:3.13V
R281
4.7k
Q45
8T
KTA1664(Y)
T:7.87V
R46
1.5k D42
1812L110PR
R45
47k
1.1A
CURRENT
PROTECTION
7.98V
Q43
VOLTAGE
REGULATOR/8V
IC41
KIA7808AF
7.93V
8C
R43
3 1
OUT IN
47k
COM
2
VOLTAGE
REGULATOR/5V
IC42
NJM78L05UA
1 3
OUT IN
COM
2
R
DI
DO
CE
CL
APC
VOLTAGE
CM
DETECT
MBL
D608
MA742 BSYLED
TXLED
DISPID
5C
8C
SB
POWER
HOOK
PTT
R5 D3
5M DA221
22k
5M
SURGE
ABSORPTION
AF AMP
AUDIO AMP
IC281
LA4600
10 5
R283 R284 C283
68k
12k 0.22u
AF MUTE
Q281
DTC363EU
Q282
KRC102S
AF MUTE
Q31
DC SW (SB)
C52
1000p
13.6V 13.60V
Q31
2SJ650
SB
12.6V
DC SW (SB)
Q42
4.97V
2SD1757K
5M
R105 1
1k
VOLTAGE
DETECTOR/INT
BD4740G
1
NC
2
SUB
3
GND
S
TK-7160/7162
CN1
E40-6268-05
R4 3.3k
R3 1k
R2 100
D2 D1
DA221 DA221
POWER
R1 0
D1-3
1
C287
R285
0
470u16
C291
22p
F41
F53-0246-05
4.0A
REVERS
CONNECTION
PROTECTION
L2
VOLTAGE
REGULATOR/5V
IC43
NJM78L05UA
3
OUT IN
COM
2
VOLTAGE
DETECTOR/RESET
IC45
IC44
BD4740G
5 1
5.77V 5 4.97V
VCC NC
VCC
2
SUB
4 3
4
GND
VoUT VoUT
T
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
J1
E11-0425-05
CN5
E40-3246-05
45
X57-710 4/4