Kenwood DDX7015 Service Manual page 64

CW
DDX7015/7025/7035
DDX7045/7065
C132
0.01
C92
0.1
3.3V 91
PS2(HFM.ON)
R141
0V 92
PS3
3.3V
10K 93
AVCC
3.3V
94
VREF
C91 0.1
R72 12K 1.9V 95
AN0(TEMP DET)
0V 96
AN1
R71
2K
1.0V 97
AN2(IOP)
0V 98
AN3
1.65V 99
99 AN4(1.65V)
1.65V 100
100 AN5(DRV1.65V)
101
101 DA0(STEP.A)
0 - 3.3V
102
102 DA1(STEP.B)
0V 103
AVSS
0V
104
VSS
0V 105
105 P17(STDI)
0V 106
106 P16(SCK)
3.3V
107
107 P15(SEN)
3.3V 108
108 P14(STANBY)
R142
0V 109
P13
10K
110
3.3V
28 TCLKA(M1)
0V
R143
0V 111
P11
10K
0V 112
2 P10
0V 113
MD0
3.3V 114
MD1
MD2
3.3V
TP49
R73
TP90
10K
115
SW F
MD2
3.3V 116
PG0(SW F)
0V 117
PG1(SW E)
3.3V 118
PG2(SW AD)
1.65V 119
CS1-(NCS)
3.3V 120
3.3V
PG4
0V
SLT
S5
3.3V
L23
5V
TP59
R93 10K
PGND
R101 10K
TP60
CP11 10K
TP61
7V
50 49 48 47 46 45 44 43 42 41 40 39 38 37
:
IC1 AN8703FH
:
IC2 NJU7042
:
IC4 MN103S26E
Q1 : 2SB0970
IC5 : S-80829CLBB
Q2 : MCH6101-E
IC6 : LA6505
Q3 : 2SJ0536
∗
IC7 :
Q4,9,13,15 : UN5114
IC8 : S-80815CLBB
:
Q5,10 UN5214
:
IC9 UPC2918T :
Q6 2SD1819A
:
IC10 NJM2880U33
:
IC11 S-24C04BMFN
:
IC12 HD74LV2G66A
64
X37-1020-04 (3/3)
CX
TP55
RES
3.3V
16.897849MHz
0V
3.3V
2.5V
0V
0.7V
3.3V
0V
∗
IC7
MICROPROCESSOR
0V 0V
TP86
SW AD
R90
10K
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
to VIDEO CONTROL UNIT X14-939 CN4
:
D1,2 MAZS0510M
:
D3-5 MA2J729
:
D6 MAZS0560M
:
D7 MA4ZD03
:
D8 MA142WA
CY
Q10 Q9
CP12
4.7K
LOADING
CONTROL
3.3V R81 10K
∗
3.3V R80 10K
60
SEL0
0V
59
VSS
0V
R135
58
SCK1
3.3V
10K
57
P34(LOAD)
TP51
R107
RXD1
10K
56 3.3V
RXD1
R134
55 0V
P32
TP50
10K
TXD1
3.3V R108
54
TXD1
R133 10K
53 0V
P30
10K
L25
52 3.3V
VCC
51
D15 37
50
D14 38
49
D13 39
48
D12 40
CP14
10K
0V
47
VSS
46
D11 41
45
D10 42
3.3V
44
0V D9 43
43
D8 44
CP16 10K
3.3V
42
CP13
PE7
41
10K
PE6
40
PE5
39
PE4
0V
38
VSS
CP15 10K
3.3V
37
PE3
36
PE2
35
PE1
34
PE0
L24
33
VCC
32
IREQ0 2
31
IREQ1 5
TP87
SW C
D7
R75 1.3K
27
R77 1.3K
26
TP88
SW B
D8
21 20 19 18 17 16 15 14 13 12 11 10 9 8
SIGNAL LINE
UNIT No. C24,25 D2
GND LINE
X37-1020-00 YES YES DF2328VTE259R9
B LINE
X37-1020-01 NO NO DF2328VTE259R9
X37-1020-02 YES YES DF2328VTE259R8
X37-1020-03 NO NO DF2328VTE256Q7
X37-1020-04 YES YES DF2328VTE250S0
X37-1020-05 YES YES DF2328VTE250S0
CZ
TP57
VOLTAGE
1.8V
DETECTOR
(1.8V)
IC8
0V
3 2
NC VSS
1.8V
4 1 0V
VDD OUT
CAUTION : For contin-
ued safety, replace
safety critical compo-
1.8V
n e n t s
AVR
IC9
manufacturer's recom-
5.0V
1.8V
IN OUT
mended parts (refer to
GND
parts list).
0V
Indicates safety criti-
TP56
cal components. To re-
D3.3
C102 10
duce the risk of electric
1.27V
IC10
C101
shock, leakage-current
3.3V 0.01
4 3
VOUT NB
or resistance measure-
2 0V
GND
5.0V
5 1 0V
ments shall be carried
VIN CNTL
3.3V out (exposed parts are
AVR
C103 2.2
acceptably insulated
from the supply circuit)
before the appliance is
returned to the cus-
73
tomer.
• DC voltages are as
175
measured with a high
TP58
DGND
impedance voltme-
ter. Values may vary
slightly due to varia-
tions between indi-
vidual instruments
or/and units.
7 6 5 4 3 2 1
CN4
R15,80,112-114,
IC7 Q1 R99
123,127,128
YES YES NO
NO NO YES
YES YES NO
NO NO YES
YES YES NO
YES YES NO
DA
1
2
3
4
o n l y w i t h
5
6
7