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Schematic Diagram - Kenwood CD-3260M Service Manual

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

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