Kenwood DPX-3070 Service Manual page 23

Z
QQ
3 7 63 1515 0
1
2
CN901
TP901
ESD-G 1
TP902
D-GND 2
TP903
L-DATAO 3
3
TP904
L-DATAI 4
TP905
L-CE 5
TP906
L-CLK 6
TP907
L-INH 7
MAIN
UNIT-
CN1
TP908
LED-SI 8
TP909
2/3
LED-G 9
C
TP910
RES-SW 10
TP911
LED-B 11
TP912
TE
L 13942296513 BU5V 12
TP913
LED-R 13
TP914
P-GND 14
4
TP915
REMO 15
TP916
LED 11V 16
5
6
www
.
7
AA
(C/3)
D982 : B30-1599-05
6 5 4 3
6 5 4 3
R933
Q905
1K
G
G
R932 Q904
1K B
B
R931
Q903
1K
R
R
100
97
98
99
96
R937
4.7K
G Q906
RESET
S.I.
SW901
B
5.0V
R
11.0V
R946
D961 D960 D959
470
R945
D958 D957 D956
470
R944
D955 D954 D953
470
R965
D952
1K
R943
D951 D950
620
R942
D949 D948 D947
470
R941
D946 D945 D944
470
R940
D943 D942 D941
470
6 5 4 3
6 5 4 3
(B/3)
D981 : B30-1599-05
x ao
y
i
AB
8
CONTROL UNIT (A/3)
KI1
2 1
KI2
KI3
2 1
KI4
KI5
REMOTE
IC921
5.0V
C922
10
RN901
5.0V
1K
Q901
Q921
22K
22K
22K
22K
76
R902
KS6
1K
77
KI1 KI1
RN902 1K
78
KI2 KI2
79
KI3 KI3
80
KI4 KI4
81
KI5 KKI5
82
P1
Q Q
83
0V
3 6 7 1 3 P2
84
P3
85
P4
5.0V 86
VDD
R903
8.8V 87
VLCD
88
330
VLCD0
C906
6.8V
0.1
89
VLCD1
C902 C905
5.1V
0.1 0.1
90
VLCD2
C904
3.4V
0.1
91
VLCD3
0V
92
VLCD4
93
VSS
94
TEST
95
OSC
5.0V 96
96 INH
5.0V 97
97 DO
0V-5.0V 98
98 CE
0V-5.0V 99
99 CL
0V-5.0V 100
100 DI
2 1
IC901 : LC75808W
IC921 : TSOP4840SB1
Q901,921 : DTA124EUA
2 1
Q903-906 : 2SC4081
D905 : MA8082-H
D907,908 : DAN202U
D931,941-961
: B30-1715-08
u163
.
AC
DPX-3070/3070B
2 9 9 4 2 8
5.0V
6.8V
5.0V
1.8V
0V
1 5 0 5 8 2 9 9 4
IC901
LCD DRIVER
1.8V
6.7V
3.5V
0V
GND LINE
B LINE
m
co
CONTROL UNIT (1/2)
AD
9 9
6.7V
3.5V
0V
50
S50
S50
49
S49 S49
48
S48
S48
47
S47 S47
46
S46 S46
45
S45 S45
44
S44 S44
2 8 9 9
43
S43
S43
42
S42 S42
41
S41
S41
40
S40 S40
39
S39
S39
6.7V
38
3.5V S38 S38
37
0V
S37
S37
36
S36 S36
35
S35 S35
34
S34 S34
33
S33 S33
32
S32
S32
31
S31 S31
30
S30
S30
29
S29 S29
28
S28
S28
27
S27 S27
26
S26 S26
23