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Kenwood DV-4070-B Service Manual page 21

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K
L
(X35-2240-10)
D+3.3V
A+9V
D+5V
A+5V
+3.3V
L101
10uH
+B
3.0V
C127 1000P
111
C125 0.1
C124 1000P
C123 1000P
C122 1000P
C121 1000P
+B
96
AVSS
R122 33K
95
AD1
95
C120 820P
R121 33K
94
AD2
94
C119 820P
R120 22K
93
AD3
93
C118 270P
92
R119 100
AD4
92
R118 12K
91
AD5
91
C117 470P
90
VREFLDA
90
C113 0.1
89
VREFMDA
89
C112 0.1
88
VREFHDA
88
C111 0.1
87
R115 47K
AD6
87
C116 330P
R114 10K
86
AD7
85
R113 10K
AD8
R117
84
AD9
84
C115 820P
68K
83
VREFOP
R112 10K
82
AD10
82
R111 100
81
AD11
81
C114 3900P
R110 10K
80
AD12
79
AVDD
+B
78
VREFHAD
77
VREFMAD
76
VREFLAD
75
AVSS
74
DVDD
+B
73
C108
DVSS
72
1000P
TX
71
MOND
70
IPFLAG
96
69
CDIRQ
106
68
DACDATA
67
DACLRCK
66
DACCLK
65
DVSS
R109
111
47
CP101
47
+B
M
N
D+3.3V
3.2V
C510
1000P
3.2V
LINE
DECODER
IC701
IC504
1
8
MEMORY
A
VCC
IC
2
7
B
Y3
(1M SRAM)
3
6
G
Y2
4
5
GND
Y1
+B
+B
CP500
10K
CPUDT
1
1
WAITE(ODC)
66
29
2
2
2
NRD(ODC.AVDEC.RAM)
R513
3
47K
65
28
4
4
4
4
NWR(ODC.AVDEC,RAM)
5
5
RAMCS(SRAM)
6
6
ODCCS(ODC)
7
AVCS(AVDEC)
8
8
ROMCS(FROM)
9
9
SCLOCK(VDAC)
10
10
SDATA(VDAC)
11
11
FRD(FROM)
W1
12
MODE2
13
13
CPUADRO
8 ROMCS
57
14
62
CPUADR1
33
14
14
55
15
61
CPUADR2
34
15
15
54
16
60
CPUADR3
C501
35
1000P
16
16
53
17
+B
VDD
L501
18
C502
31
SYSCLK(AVDEC)
1000P
19
VSS
20
XI
21
XO
22
+B
VDD
23
CLK135
24
R500
OSCO
10K
25
MODE
58
59
C503
1000P
+B
O
P
D+3.3V
M+9V
D+5V
A+5V
+B
3.0V
IC503
MEMORY
IC
+B
IC500
u-COM
+B
Q
R
+B
3.0V
IC502
EEP
ROM
SW
Q502
SW
Q501
C508
2.0V
3.0V
1000P
+3.3V
+B
3.1V
3.1V
C138
0.01
+B
IC501
3.1V
INVERTER
5
VCC
D500
1
M/A
2
SUB
Q500
3
4
GND
OUT
RESET IC
R506 10K
+B
75
NMI
74
PUP
73
PUP
72
SO1
71
SI1
70
SCLK1
69
SO0
69
68
SI0
68
67
SCLK0
67
66
VDD
+B
65
R501 47K
C505
DARKDET
1000P
64
SCSIEN
63
XS
62
R503 10K
61
VSS
60
CPSEN(ADSC)
59
STBDAC1
59
58
STBSP
58
57
STBDAC2
57
C504
56
CLKSEL
56
55
1000P
SEN(FEP)
55
54
VDD
+B
53
FRNTH
53
52
SLEEP(FEP)
52
51
R502 47K
3.1V
+B
S
T
1
D100
D102
+B
C324
1
C312
73
1000P
74
R304
1K
+B
76
72
C313
72
72
1000P
71
71
71
70
70
+B
70
88
1
92
64
96
60
97
98
C323
1000P
C314
1000P
+B
C315
106
1000P
108
50
49
+B
1

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