Kenwood CD-3260M Service Ma page 15

Multiple compact disc player
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K
L
Q Q
3 7 6 3 1 5 1 5 0
+5V
C57 1F5.5
R93
+5V
270
4.9V
C56
100u10
4.9V
2.0V
Q26
+5V AVR
IC7
Q26
(2/2)
(S-RAM)
5.6V
8
6
IC11
7
7.5V
5
C55
(BOTTOM VIEW)
1u50
R91
LOGIC IC
4.7K
(SQCK CHANGE
2.0V
-OVER)
5.0V
+7.5V
+5V
+5V
VDD
74
73
72
71
0V
70
69
C158
C156
68
0.2V
0.01
330
+5V
T E
L
1 3 9 4 2 2 9 6 5 1 3
C18
66
C19
100u6.3
+
65
7P
+5V
C20
63
7P
C58
62
47u10
R39
R41
C27
4.8V
13K
15K
150P
C25
R107
330u6.3
C29
R43
+
4.7K
59
C26
R106
820P
10K
330u6.3
4.7K
+
58
R44 10K
C30
57
820P
56
R42 15K
55
R40 13K
R143 47K
R104 20K
R103 10K
+5V
+5V
+5V
VDD
R205
1K
66
+7.5V
w w w
+5V
+
+
.
14 13
12 11
10 9
8
7
6
5
4
3
2
1
CN13
D
M
N
+5V
+5V
4.9V
R108
+
47K
IC9
(BOTTOM VIEW)
S RAM
(CD TEXT DATA)
C66
0.01
80
80
A6
79
79
A7
78
78
A12
77
77
A14
76
76
A16
75
SQCK/SCK
74
SO
73
SQSI
72
SI
71
STB1
70
LDC
5.0V
69
TXD-SUB
5.0V
68
RXD-SUB
67
SQCK/SCK-SW
5.0V
66
TXD-R
IC8
5.0V
65
(BOTTOM VIEW)
RXD-R
64
AVREF1
u-COM
0V
63
LOADM+2
0V
62
LOADM-2
61
AVSS
60
DISC-SW2
0V
59
UNLOAD-SW2
5.0V
58
LOAD-SW2
5.0V
57
N-CH
DOOR-SW
ONLY
5.0V
56
INPUT
JOG1
5.0V
55
JOG2
54
8/16
LOAD-SW1
5.0V
53
5.0V
A/DO
2.7V
52
UNLOAD-SW1
AVREFO
2.5V
51
AVDD
XS8:0V
SL16:5.0V
X2
12.5MHz
+5V
+5V
+7.5V
x
a o
y
i
1 2
3
4
5
6
7
8
9 10 11 12
CN15
C
O
P
8
+5V
+5V
4.9V
1
A2
2
NC
3
0.2V
LCD COMMUNICATION
S3-SW
3
R140 47K
u-COM
4
0.2V
S2-SW
4
(INTERLOCUTOR REMOCON)
R141 47K
5
5.0V
RD(OE)
5
IC10
6
5.0V
6
WR(WE)
(BOTTOM VIEW)
7
0.2V
5.0V
S1-SW
7
8
28
1
ASTB(CE)
GND
9
27
2
VDD
+5V
GND
10
5.0V
26
3
+5VPUL
10
GND
RWRR
13
11
0V
25
4
RTRN
11
GND
RWR
12
12
0V
24
5
RWR
12
GND
RTRN
11
13
5.0V
23
6
RWRR
13
GND
GND
14
Q
Q
22
7
L-D7
D7
GND
3
7
6
3
15
21
8
L-D6
D6
REM
16
20
9
L-D5
D5
VDD
+5V
X3
17
19
L-D4
D4
3.64MHz
18
18
10
L-D3
D3
XO
19
17
L-D2
D2
20
16
11
L-D1
D1
XI
21
15
L-D0
D0
12
GND
22
TEST
13
23
0V
RST
C99
DISC-SW
23
0.1
14
WDOUT
24
0V
ROTLYM+
24
R96 10K
25
0V
ROTLYM-
25
R97 10K
26
0V
+
LOADM+1
26
R98 10K
+5V
+5V
27
0V
LOADM-1
27
R99 10K
5.0V
28
0V
R100
28
4.7K
29
5.0V
29
30
0V
CS
Q24
71
Q23
57
S-RAM CS
56
CONTROL
55
BUFFER
75
74
72
46
40V
+7.5V
u 1 6 3
+5V
.
5
4
3
2
1
CN11
B
CD-3260M/3280M(K) (1/3)
DPF-J7020(E) (1/3)
Q
R
2SA954
2
4
DTA113ZSA
9
9
8
2SC2003
DTC124ESA
2SC3246
2SA1048
2SC3940A
2SC2458
TA8409S
NJM2115M
TC74HC00AF
CXA1571M
NJM2100M
LB1930M
1
5
1
5
0
8
9
2
4
CN6
1
STB1
2
LCD
X32-C/8
3
DOOR-SW
CAUTION: For continued safety, replace safety critical com-
-CN7
4
JOG1
ponents only with manufacturer's recommended parts (refer
5
JOG2
3/3
to parts list).
6
SCK
continued protection against risk of fire, replace only with
7
SO
A
same type and rating fuse(s). To reduce the risk of electric
8
SI
9
RST
shock, leakage-current or resistance measurements shall
X32-F/8
10
STB2
be carried out (exposed parts are acceptably insulated from
-CN12
the supply circuit) before the appliance is returned to the
2/3
customer.
11
F
12
F
B
13
-40V
The DC voltage is an actual reading measured with a high
m
14
+7.5V
impedance type voltmeter. The measurement value may
X25-
15
GND
CN4
vary depending on the measuring instruments used or on
16
GND
c o
the product. Refer to the voltage during PLAY unless other-
2/3
wise specified; The value shown in ( ) is the voltage mea-
17
+5V
sured at the moment of STOP.
C
X32-B/8
-CN14
CD-3260M/3280M/DPF-J7020
2/3
D
Y22-8010-10
S
T
2SA1586
2
UN4212
9
9
UN4219
2SA1309A
2SC3311A
UN5212
2SK246
5M51008BFP70LL
CXD2587Q
BA5979S
628128BLFP7SL
9
8
2
9
9
17
16
32
1
indicates safety critical components. For

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