Kenwood TK-7162 E - LEVEL DIAGRAM (Continued); Receiver Section Level Diagram; Transmitter Section Level Diagram

SCHEMATIC DIAGRAM TK-7160/7162
47
7
6
5
4
3
2
1
ADACABAAZ
X54-352 1/1
R8
10k
R25
10k
R10
330
R19
3.9k
Q4
KRC102S
Q3
KRA225S
IC1
LC75893M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
KS4
22
KI1
23
KI2
24
KI3
25
KI4
26
KI5
27
TEST
28
VDD
29
VDD1
30
VDD2
31
VSS
32
oSC
33
Do
34
CE
35
CL
36
DI
C1
0.01u
R20
0
R27
1k
R3
1k
C22
1000p
R29
39
R24
10k
R6
10k
R2
10
D20
MC2850
R11
330
R7
10k
R21
0
C20
100p
C23
1000p
R26
1k
L1
R1
100
C21
680p
R28
39
R17
39
CN1 E40-6005-05
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
D21
MC2850
R5
1k
R9
68k
R18
39
C19
100p
R4
1k
DC SW
S
CM
DNUP
KS3
COM2
KS2
SEG3
HOOK
SEG1
HOOK
SEG2
PTT
LCD CONTROLLER
DC CONTROLLER
KI3
MIC
KEY
BACKLIT SW
C>
GND
ME
BL
SEG4
BUSY
KI1
VOL
CH
8C
A
PTT
SB
SURGE
ABSORPTION
GND
MIC
POWER
COM1
NC
LCD
DO
RED LED
BUSY
CL
KI2
ME
TX
DI
DISPLAY UNIT (X54-3522-70)
5C
CH
CM
SEG0
UP
MBL
TX
SB
VOL
CE
COM0
<B
GREEN LED
DN
KS4
C12
1000p
C14
1000p
C11
1000p
C13
1000p
C18
0.1u
C17
1u
C24
0.01u
C25
1000p
J1 E08-0877-05
C6
1000p
C7
1000p
C10
0.01u
C9
1000p
C27
100p
C16
1u
C15
470p
2SC3928A
Q8
DC SW
2SC3928A
Q7
DC SW
R23
82
R22
180
D22
B30-2151-05
TX/RX LED
CP1
R90-0724-05
D6
B30-2282-05
D2
B30-2282-05
D4
B30-2282-05
D1
B30-2282-05
D3
B30-2282-05
D5
B30-2282-05
KEY BACKLIT
D1-6
2SB1132(Q,R)
Q2
LCD BACKLIT SW
LCD BACKLIT
D8-12
D10
B30-2281-05
D7
B30-2281-05
D8
B30-2281-05
D11
B30-2281-05
D12
B30-2281-05
D9
B30-2281-05
P1/S1
P2/S2
P3/S3
P4/S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
CoM1
CoM2
CoM3
KS1/S15
KS2/S16
KS3
T:1.71V
7.84V
0.64V
T:3.71V
BUSY:3.71V
0.64V
T:3.74V
5.01V
3.92V
Note : The components marked with a dot (
•
) are parts of layer 1.