Kenwood XXV-05V Service Manual page 16

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A
XXV-05V
QQ
3 7 63 1515 0
1
2
3
TE
L 13942296513
4
5
CAUTION : For continued safety, replace
safety critical components only with
manufacturer's recommended parts (refer to
parts list).
Indicates safety critical components. To
reduce the risk of electric shock, leakage-
6
current or resistance measurements shall be
carried out (exposed parts are acceptably
insulated from the supply circuit) before the
appliance is returned to the customer.
• DC voltages are as measured with a high
www
impedance voltmeter. Values may vary
slightly due to variations between indi-
vidual instruments or/and units.
7
16
X14-966x-xx (1/16)
B
CN702
RESET
LOUT
ACOM
ROUT
DGND
DD7
DD8
DD6
DD9
DD5
DD10
DD4
DD11
DD3
DD12
DD2
DD13
DD1
DD14
DD0
DD15
DGND
DMARQ
DGND
DIOW
DGND
DIOR
IORDY
DACK
INTRQ
DA1 31
PDIAG
DA0
DA2
CS1FX
CS3FX
DASP
DISC DET
DGND
S/PDIF
5V 41
5V
PGND
PGND
PGND
PGND
7V 47
7V
7V
7V
CN701
VCC
TDO
TDI
TMS
GND
TCK
x
ao
y
.
i
C
VIDEO CONTROL UNIT (X14-966x-xx) (A/3)
8
R717 33
TP703
1
145
R724 10K
2
3
4
CP716
5
10K
CP702 33
TP704
1
8
6
141
TP705
2
7
7
122
TP706
3
6
8
140
TP707
4
5
9
123
CP714
10K
CP707 33
TP708
1
8
10
137
TP709
2
7
11
124
TP710
3
6
12
136
TP711
4
5
13
125
CP717
10K
CP703 33
TP712
1
8
14
135
TP713
2
7
15
126
TP714
3
6
16
134
TP715
4
5
17
127
CP715
10K
CP708 33
TP716
1
8
18
133
TP717
2
7
19
128
TP718
3
6
20
132
TP719
4
5
21
131
22
R718 82
R727 10K
TP720
23
24
R719 22
TP721
25
149
26
R720 22
TP722
27
150
R722 82
TP723
28
146
R726 10K
TP724
29
R723 82
TP725
30
144
R728 10K
R721 33
TP726
155
Q Q
CP704 33
3
6 7
1 3
32
TP727
1
8
33
154
TP728
2
7
34
158
TP729
3
6
35
152
TP730
4
5
36
153
37
R716
38
TP731
1K
39
40
TP732
42
43
44
45
46
TP733
48
49
50
1
TP702
2
32
TP737
4
3
TP740
4
28
5
TP741
6
8
7
179
185
178
182
176
181
170
180
u163
.
D
E
2 9
9 4
2 8
FLASH MEMORY
IC702
48
2.6V
1
A16
LA16
A15
47
2.5V
2
BYTE
LA15
A14
46
2.5V
3
GND2
LA14
A13
45
2.4V
4
Q15
LA13
A12
44
2.4V
5
Q7
LA12
A11
2.6V
6
43
LA11
A10
Q14
2.5V
7
42
LA10
A9
Q6
2.6V
8
41
LA9
A8
Q13
2.5V
9
40
LA20
A19
Q5
10
NC10
39
3.4V
11
Q12
WRL
WE
38
Q4
R703
3.4V
12
37
RESET
VCC
13
4.7K
NC13
36
14
Q11
NC14
35
15
Q3
RY/BY
34
2.6V
16
Q10
LA19
A18
33
2.4V
17
Q2
LA18
A17
2.5V
18
32
LA8
A7
Q9
2.8V
19
31
LA7
A6
Q1
1.6V
20
LA6
A5
30
1.6V
Q8
21
LA5
A4
29
1.6V
22
Q0
LA4
A3
28
1.7V
23
OE
LA3
A2
27
1.6V
24
GND1
LA2
A1
26
CE
25
A0
1 5
0 5
8
2 9
9 4
1
LA1
I/O5
1.2V
2
LA17
I/O6
2.7V
3.4V
3
I/O7
2.7V
4
4
TDI
1.7V
5
I0
6
NC6
0V
7
GND1
0V
8
8
TCK
3.4V
9
WRL
I/O8
0V
10
LOE
I/O9
3.3V
11
R772
I/O10
100
0V
12
I/O11
m
204
2
198
207
187
206
186
205
co
9 9
3.0V
C703
LA17
0V
10u10
+
1.2V
LA0
1.9V
LD7
R704 10K
0V
2.0V
LD6
R705 10K
0V
1.4V
LD5
R706 10K
C704
0V
1.0V
0.1
LD4
3.4V
R707 10K
0V
1.1V
LD3
0V
R708 10K
1.2V
LD2
R709 10K
0V
1.0V
LD1
R710 10K
0V
0.6V
LD0
0V
LOE
0V
0.3V
1.2V
LA1
3.4
C705
0.1
2 8
9 9
1.2V
IC703
CPLD
0V
C706
0.1
6
5
4
3

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