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Kenwood KTC-SR901 Service Manual page 5

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A
B
Q Q
PC BOARD (COMPONENT SIDE VIEW)
3 7 6 3 1 5 1 5 0
1
X14-6900-10 (J74-1312-12)
TO HEAD UNIT
TO CHANGER
R211
R218
J2
13
R217
4
9
12
R216
5
8
12
R215
1
4
L44
L45
SO
SI SCK GND
2
R140
D37 D38
R185
R141
Q15
D41
CP7
CP8
100
76
D21
EB
EB
1
D22
C170
R82
R121
IC1
R70
C197
R75
D24
8
5
D25
EB
25
IC22
R90
26
50
VPP
RST
C239
R89
X1
1
4
DAP
C171
RST
R72
C194
C196
GND
R73
C177
4.2V
R133
DIS
C184
C181
MDI
C88
C87
3
MDO
SSN
R22
25
SCK
R23
26
C113
R24
C117
A2
44
1
176
45
IC7
R45
C240
R44
C126
50
L5
51
C99
L4
IC9
C98
R40
R31
R30
C105
C127
R46
88
133
C169
T E
89
132
L
C116
1 3 9 4 2 2 9 6 5 1 3
C112
C124
C143
4
IC19
IC15
C168
C144
IC12
C140
L10
R60
S
G
C142
2
CN1
1
D
CN4
J1
5
FUSE 3A
BATT
GND
X14-6900-10
Ref. No
IC1
IC2
IC3
IC4
IC6
IC7
IC9
address
2B
3E
2D
2C
3C
3B
4B
6
Ref. No
Q3
Q10
Q14
Q15
Q17
Q18
address
5D
5B
3B
2B
2B
2A
w w w
.
7
Refer to the schematic diagram for the values of resistors and capacitors.
C
D
D45
C225
1
8
5
C226
9
C65
C61
C60
13
C224
25
1
J3
26
100
37
36
D46
C55
C296
IC4
C57
C53
C52
50
76
C56
51
75
75
C62
C63
C64
72
1
C59
C214
C253
IC3
73
144
C81 C82
C83
C85
VDD
88
45
44
C54
51
89
C37
C50
C36
C38
C51
109
C40
108
A1
IC6
C86
12
17
1
100
132
1
133
176
C70
C71
C72
L12
76
75
C97
C96
11
C132
C159
C158
C156
C146
C162
1
C165
C149
C153
C164
IC14
L11
O
G
I
E
B
IC16
Q3
TERR
ANT
IC12
IC14
IC15
IC16
IC19
IC22
4A
4D
4B
5C
4B
3A
x
a o
y
i
E
F
PC BOARD (FOIL SIDE VIEW)
8
X14-6900-10 (J74-1312-12)
2
1
CN5
C35
C301
C34
100
76
1
75
R6
IC2
C14
C43
C15
C42
C45
C17
C11
C16
C44
25
51
C13
26
50
R1
C27
C24
R5
C30
C22
C29
C21
C26
C23
Q
Q
3
7
6
3
SAT
u 1 6 3
.
5
6
G
H
2
4
9
9
8
O
I
R160
G
C231
R179
R11
R173
3
1
C251
R175
R176
4 5
C252
R187
C230
C218
R178
R186
R180
R171
1
5
3
4
IC34
Q51
D51
D50
Q50
C300
C41
R17
C39
C257
C209
C208
54
28
R21
IC5
C137
C95
22
1
27
C207
C206
IC8
R62
IC17
6
5
23
G
C241
D
10
1
C136
S
C157
S
D
G
1
5
1
5
0
8
9
2
4
C298
IC18
D10
10
6
C130
1
5
C166
C152
C131
R52
IC13
O G
I
X14-6900-10
Ref. No
IC5
IC8
IC10
IC11
IC13
IC17
IC18
IC23
IC24
address
3H
3I
4J
3I
5G
4H
4H
3J
Ref. No
Q1
Q2
Q11
Q12
Q13
Q19
Q21
Q50
Q51
address
4J
4J
4I
4H
4H
3I
2I
3I
m
c o
I
J
2
9
9
C222
L46
L48
DGND
UART
+5V
L47
FRAME
C220
L42
RATE
RST
AGND BUSRST
MUTE
R181
Rch
STBY
SDAT
LRCLK
R129
R183
Q21
SCLK
R100
MCLK
R184
R139
R182
C201
C200
R124
R119
7
1
R92
R87
R84
R81
IC30
C192
R88
C188
C186
R99
C211
4
1
8
14
C190
8
1
1
Q19/D19
IC25
IC24
C187
C185
2
C189
R83
R80
DAPRST
9
16
3
4
5
8
C182
C213
C191
R85
R95
4
1
R91
R86
R94
C180
16
9
IC32
IC23
MDI
5
8
DGND
MDO
1
8
SSN
4.2V
C122
DIS
C120
C115
44
23
SCK
1
R43
IC11
R116
R42
R118
R41
1
22
C118
R49
C139
R39
C121
44
24
1
R33
R32
9
8
2
9
9
IC10
R58
R57
C178
R51
Q1
R50
25
48
S
G
R38
C114
C138
R61
R188
D
D
G
S
IC25
IC30
IC31
IC32
IC33
IC34
IC35
3J
3I
3I
3I
3I
2H
2H
2G
2I

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