Kenwood TK-8180 - Manual (Page 82)

TK-8180
77
■ Schematic Diagram
INTERFACE UNIT (X46-3310-20) (A/2)
OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m)
A
A
A
A
A
IC1
1
G1
2 A1
3
Y2
4
GND
5
A2
6
Y1
7
G2
8
VCC
IC2
1
G1
2
A1
3
Y2
4
GND
5
A2
6
Y1
7
G2
8
VCC
D2
IC1 : TC7WT125FU
D2 : MINISMDM075/24
D3~6 : DA204U
D12~19 : AVRM1608080MAA
IC2 : TC7WT125FU
D9~11 : DA204U
D20
: AVRM1608080MAA
D3 D5
D4 D6
C14 1000p
C41 1000p
D9 D11
D10
CN1
E40-6371-05
1
SPI
2
SPI
3
SPI
4
SPI
5
SPI
6
SPI
7
GND
8
8C
9
SB
10
SB
11
NC
12
PSW
13
GND
14
GND
15
MIC
16
ME
17
GND
18
PSENS
19
RST2
20
(LCDRST)
21
(LCDDI)
22
(LCDDO)
23
(CLK)
24
SHIFT
25
5C
26
NC
27
TXD
28
RXD
29
GND
30
(DM)
CN3
E40-6377-05
1
SPI
2
GND
3
8C
4
SB
5
GND
6
PSW
7
MIC
8
ME
9
PSENS
10
RXD
11
TXD
12
GND
13
SHIFT
14
RST2
L2 1u
L3 1u
L6 1u
L5 1u
R1
47k
CN4
E40-6377-05
1
RST2
2
SHIFT
3
GND
4
TXD
5
RXD
6
PSENS
7
ME
8
MIC
9
PSW
10
GND
11
SB
12
8C
13
GND
14
SPI
CN2
E40-6412-05
1
(DM)
2
GND
3
RXD
4
TXD
5
5C
6
NC
7
SHIFT
8
(CLK)
9
(LCDDO)
10
(LCDDI)
11
(LCDRST)
12
RST2
13
PSENS
14
GND
15
ME
16
MIC
17
GND
18
GND
19
PSW
20
NC
21
SB
22
SB
23
8C
24
GND
25
SPI
26
SPI
27
SPI
28
SPI
29
SPI
30
SPI
D12 D13 D14 D15
D16 D17 D18 D19
D20
Radio Side
Display Side
INTERFACE UNIT (X46-3310-20) (B/2)