Kenwood TK-80 Service Manual page 94

CONTROL UNIT (X53-3570-21)
3
D2 REVERSE FLOW PREVENTION
5.3V
3
2
9
12
C54
5.6V
0.1u
12
9
2
R23
10k
1
1 FSL
2
PSC
3
BKC(INT2)
4
BOVR(INT1)
R32
10k
5
7 PSW(INO1)
6
11 CK1
7
10 CK2(TA4OUT)
8
3 MU
9
SPED(TA3OUT)
10
4 MD
R47
10k
11
IC5
2 SIDE(TA2OUT)
12 37702E8LHJMHF
PDA
CPU
R49
4.7k
13
3 BZ(TA1OUT)
14
2 5 LDA
R145
15
6 LCK
10k
16
5 ULK
R43
470k 17
8 TOE
18
3 STD
R44
10k 5.0Vp-p
19
2 PCK
7.3728MHz
20
0V
8 SO
10
12
R57
9 9
1M
X1
7.3728MHz
10
9
D1 SWITCHING
12
5.0V
12
5.0V
IC1
TC4S584F TC4S584F
D3
INVERTER INVERTER
DAP202U
4.7V
4.7V
D3
SWITCHING
CN1
3
1
8
1
2
THP
3
C53
1u
Q4
3
DTA143EK
2 Q3-6
SIGNAL
SWITCH
5
5.0V
1
2
5.4V
5.0V
0V 0V
60
RXD 4
59
R144
TXD 1
Q3
22k
58
THP DTC143EK
57 R82
ATI
10k
56
TTI 2
55
TSI 1 5
54 RES
ODEN 3
53
KYS 11 9
R99 22k
52
KEY 12
R100 22k
51
BSY 4
R101 22k
50
5.3V D0
49
D1
48
D2
47
D3
46
D4
45
D5
44
D6
43
D7
42 ON ON
S1
WR
41
RD
OFF OFF
D11
1SS301
D7-13,15
SWITCHING
7
9
10
D5,6
REVERSE FLOW PREVENTION
5.3V
REGULATOR
5.4V 3.0V
D1 Q1,2,7
1SS301
6.0V SIGNAL TA78L06F
Q2
SWITCH
DTA143EK
OUT
D4
(REVERSE FLOW
0V
PREVENTION) 02CZ8.2(Y)
5.4V
IC3 5.2V
RESET
M62003FP 5.9V
Q1
DTC143TK
IC2
D14
D4,14
Q7
02CZ9.1(Z)
DTC143EK ZENER
DIODE
4.8V
0V
R40
D6
D16-18 10k
REVERSE FLOW PREVENTION 6.0V
1SS355 5.3V
12
11
LCD ASSY-CN1
PDA
1 1
2 2
3 3
8
Q6
DTA143EK
5.0V
0V
Q5
DTC143EK
4 4
5 5
9
11
1
2
3
4
6 6
5
6
7
8
S3
11
8
7 7
2 8 8
9 9
10 10
5A 5A
UDA UDA
UCK UCK
IC4
14.0V
14V 14V
IN
GND
5C 5C
11
AMUT AMUT
14S 14S
8A 8A
DGND DGND
SEL-CALL-CN2
(OPTION)
CN2 CN3
2
3
1
6
1
6 5
5.3V
2
1 33
NC NC
5.3V 2 32
3 CS RES
0V
3 31
GND D0
0V 4 30
4 A1 D1
5.4V
5 29
IC7
5 A0 D2
6 UPD71055GB-3B4 28
NC D3
0V
7 I/O PORT 27
FEN4 D4
0V 8 26
1 FEN3 D5
0V
9 25
2 FEN2 D6
0V 10 24
3 FEN1 D7
5.0V
7 11 23
4 VEN1 VCC
13
0V
6
15
8
13
5
5
IC8
SN74ALS04BNS
BUFFER
C57 1
2
10
5.4V 1000p 0V
3
9 4
IC6
AT93C66A10SU27
14
EEPROM
0V 5.0V
MCS
10 1
PCK
2
R102
MDI
3
0V
10k
PDA
4
ULK
5
13
14
9
CN4
TX-RX-CN14
FINAL-CN3
0V
CN6
0V
1
5.0V C94 0.1u 0V
2
5.0V
3
C95 0.1u
1
14.0V 4
4
C96 1000p
R122
5.0V 5
4
220 C97 1000p
6
R123 5.0V
3
220 C98 1000p
R124 0V 7
5
220 C99 1000p
R125 0V 8
6
6
1k C100 1000p
R126 0V
9
R95 4
220 C101 1000p
1k
R127 0V
10
0.2V
3
3
220 C102 1000p
5.3V
1
R128 0V
11
5.3V
2
2
1 220 C103 1000p
5.3V
3
R129 0V
12
5.3V
1
4
220 C104 0.01u 0V
5.3V 13
5
5.0V
5.3V 14
6
5.3V C105 0.01u
7
R130 0V
5.3V 15
2
8
5.0V 100 100 C106 0.01u
R131 0V
16
1
100
4
2
1
0V
CN5
L8
R119
16
100k C92 0.01u 18u
15
R118 0V
15
1
470 C91 0.01u
R117 0V
14
7
8
220 C90 0.01u
R116 0V
13
6
220 C89 0.01u
R115 0V
12
5
220 C88 0.01u
R114 0V
11
220 C87 1000p
R113
10
220 C86 1000p
R112
9
220 C85 1000p
R111
0V 8
4
220 C84 0.01u
R110
0V 7
3
220 C82 1000p 6
R109
0V 5
2
5.4V
220 C81 0.01u
R108 0V 4
2
220 C80 1000p
R107 0V 3
1
220 C79 0.01u
R106 0V
2
3
220
1
0V
14
DGND
DGND
5A
14S
ATI
SPED
APRE
ATA
PR11
PR12
PR21
PR22
ATG
VREF
POD2
POD1
GND
VDLY
VB1
VB2
VB3
ULK
PCK
PDA
PEN1
PLS
NC
DEN1
CASL
DEN2
ABSL
GND