Kenwood CD-223M Service Manual page 13

K L
Q Q
3 7 6 3 1 5 1 5 0
+5V +5V
R131
47K
Q28
+
Q29
IC11
(BOTTOM VIEW)
LOGIC IC
(SQCK CHANGE
-OVER)
IC9
(BOTTOM VIEW)
SRAM
C58
(CD TEXT DATA)
+5V
0.01
80
( 80 ) A11
79
( )
79 A12
78
(
78 ) A7
77
( 77 ) A13
76
( )
76 A14
75
( )
75 SQCK/SCK
74
( 74 ) SI
73
( )
73 SQS1
72
( 72 ) SO
71
( )
71 STB1
70
(
70 ) LDC
69
TXD-SUB
68
RXD-SUB
0.2V 67
SQCK/SCK-SW
66
TXD-R
IC8
65
RXD-R (BOTTOM VIEW)
64
+5V u-COM
AVREF1
63
+
LOADM+2
62
LOADM-2
61
AVSS
60
DEL-SW2
59
LOAD-SW2
58
UNLOAD-SW2
R117 4.7K
4.9V 57
(
57 ) DOOR-SW
T E ONLY
4.9V L 56 1 3 9 4 2 2 9 6 5 1 3
INPUT
( 56 ) JOG1
4.9V
55
( )
55 JOG2
R116 47K
54
8/16
R80 10K 0V 53
TYPE 5.0V
X
R81 20K
52 2.6V
0V
AVREFO
2.5V
51
+5V AVDD
XS8:0V
SL16:4.9V
X2
12.5MHz
+5V +5V
-37.5V -37.5V
Q11-14
IC7 3.5V
R45 R121
1/2 AUDIO MUTE
4.3K 10K 2.8V C31
6
+ 7 47u10 R51
5
+
- 680
Q13
8 R127 Q11
10K R53
2.8V
1K
CN12 CN13
C35
Rch
+7.5V 9
0.01 AGND
8
Lch
2.8V OPE AMP
7
Q14
R128
R54
10K
4 C32 1K
3 Q12
47u10 R52
- 1
R46 R122 2.8V 2
+ +
IC7 680
4.3K 10K 3.5V
R59 2/2
uGND
6
2.2K
Q9
u+5V
+5V +5V 5
SDATA
( )
49 4
SBUSY
(
50 ) 3
8/16
( 54 ) 2
DOUT
1
w w w
.
M N
(X32-356X-XX) (D/5)
1-1 2-1 3-1 4-1 5-1
P1 P2 P3 P4 P5
1-2 2-2 3-2 4-2 5-2
P6 P7 P8 P9 P10
+5V
1-3 2-3 3-3 4-3 5-3
( 30 )
P11 P12 P13 P14 P15
1-4 2-4 3-4 4-4 5-4
P16 P17 P18 P19 P20
0V
1-5 2-5 3-5 4-5 5-5
P21 P22 P23 P24 P25
ED1
1-6 2-6 3-6 4-6 5-6
P26 P27 P28 P29 P30
1-7 2-7 3-7 4-7 5-7
16G
P31 P32 P33 P34 P35
(2G-16G)
15G
1
A16 14G
2
A17
3 0.2V
S3-SW 3
R113 47K
4 4.9V
S2-SW 4
R114 47K
5 5.0V
RD(OE) 5 13G
6 5.0V
WR(WE) 6
7 0.2V
S1-SW 7
R115 47K
8
ASTB(CE)
9
VDD +5V
12G
10 5.0V
D-PWM 10
11
RTRN
12
RWR
5.0V
13
RWRR
14
11G
L-D0
15
L-D1
16
L-D2
17
L-D3
18
L-D4
19 10G
L-D5
20
L-D6
21
L-D7
22
TEST
23 4.9V
DISC-SW 23 9G
R72 220K
24 0V
ROTLYM+ 24
R73 10K
25 0V
ROTLYM- 25
R74 10K
N-CH
26 0V
LOADM+1 26
R75 10K
8G
27 0V
LOADM-1 27
R76 10K
28 0V
LOAD-SW1 28 R77 4.7K
29 5.0V
UNLOAD-SW1 29
R78 4.7K
30 0V 7G
CE
+5V
E11
1
(
71 ) STB1
2 6G
( 57 ) D-SW
3
( )
56 JOG1
4
( 55 ) JOG2
5
( )
75 SCK
6
(
74 ) SO
5G
7
( 72 ) SI
8
RST
9
+5V +5V +5V
10
GND
4G
11
-37.5V -37.5V
12
(
2 ) F
13
( 3 ) F
3G
(X32- ) (B/5)
J1
R57
330
Lch 1
2G
9
8 AUDIO
7 R58
330
Rch 2
P1
1G
X
A2 C
6 GND
(X32- ) (E/5)
8/16bit SW
OPT-OUT
POWER-ON
5 +5V +5V +5V
S20
PLAY SW
OUT
S22
4
3 FOR STANDBY
2
J3 R112
XS8
1
330
SL16
R85 100K
S1
D6 R83 330 SYNC
OUT
x a o
D7
R84 330
y
R86 100K
P1
i
O P
8
C89 R133
220P 1K CP3
100Kx12
C90 R134
220P 1K
C91 R135
220P 1K
-37.5V
-18.8V 80
( )
80 P21
-36.3V 79
-37.5V VLOAD
-28.4V 78
( 78 )
P22
-24.5V 77
( )
77 P23
-34.1V 76
62 ( 76 ) P24
F2 -22.6V 75
( )
61 75 P25
F2
-18.7V 74
60 ( 74 ) P26
CP2
NP -36.0V 73
100Kx15
( )
59 73 P27
16G 92
58
-30.2V 72
15G 91 ( )
72 P28
57
14G 90
-30.2V 71
56
( )
71 P29
13G 89
55
12G 88 -20.7V 70
( )
54 70 P30
11G 87
53
-26.4V 69
10G 86 ( )
69 P31
52
9G 85
-17.0V 68
51
( )
68 P32
P1 48
50
P2 49 -15.0V
67
( )
49 67 P33
P3 50
48
-18.8V 66
P4 51 ( )
66 P34
47
P5 52
46 -30.3V 65
( )
65 P35
P6 53
45
P7 54
-28.4V 64
( )
44 64 P17
P8 55
43
-18.7V 63
P9 56 ( )
63 P16
42
P10 57
41 -22.6V 62
( )
62 P15
P11 58
40
P12 59
-30.2V 61
( )
39 61 P14
P13 60
38
-28.2V 60
P14 61 (
60 ) P13
37
P15 62
36
P16 63
35
NX
34
NX
33
CP1
P17 64 -36.0V 59
100Kx15 (
59 ) P12
32
P35 65
31
-16.8V 58
(
P34 66 58 ) P11
30
P33 67
-20.6V 57
29 (
Q Q 57 ) P10
P32 68
3 7 6 3
28
P31 69 -32.1V 56
(
56 ) P9
27
P30 70
26
-30.3V 55
P29 71 ( 55 ) P8
25
72
P28
-32.1V 54
24
( 54 ) P7
P27 73
23
P26 74 -16.7V 53
( 53 ) P6
22
P25 75
21
-30.3V 52
P24 76 ( 52 ) P5
20
P23 77
-15.0V 51
19
( 51 ) P4
P22 78
18
P21 80
17 ( 50 )
P20 81 -11.1V
( )
16 50
P19 82
(
15 49 )
P18 83 -12.7V
14 ( 49 )
NX
(
48 )
13
-26.4V
NX
( 48 )
12
NX
11
8G 93
10
7G 94
9
6G 95
8
5G 96
7
4G 97
6
3G 98
5
2G 99
4
1G 100
3
NP
2
F1
1
F1
CHECK/
SPACE
S13
R108
51K
B
P2
BEST-S
(DISP)
S7
R109
51K
E7 WH3 E6
POW-P
4 4 7
DOOR
SW MODE
S2
S21
R110
STAND
51K
3 3 4
D13
GND
2 2
POWER
A/D1
u 1 6 3 1 1 -37.5V
.
CD-223M/224M(K)
Q R
2 4
9 9 8
LB1930M
1
VDD +5V
2
3
4 STANDBY:4.6V
GENERAL
STANDBY 4
PURPOSE
5
PORT LED-A
6
LED-B R111
47K
7
POW-P
8
NC 7
9
NC
10 5.0V
RESET
X4 5MHz
IC14
11
(BOTTOM VIEW) X2
2.4V
u-COM
12
FL CONTROL/ X1
KEY CONTROL
2.2V
13
VSS
14
XTS
15
XT1
16
VDD +5V
17
SCK 17
18
SO 18
19
SI 19
20
21
GENERAL
22
PURPOSE
PORT 23
24
25
AVSS
26
A/D7
27
A/D6
1 5 1 5 0 8 9 2 4
28
A/D5
29
A/D4
30
A/D3
GENERAL
PURPOSE
PORT
C62
47u6.3
+
+5V
REMOTE C64
SENSOR
0.01
A1
A
CLEAR/
DEL. FB FF DOWN UP
S14 S15 S16 S17 S18
R105 R102 R99 R96
20K 10K 5.1K 2K
DISP./ PLAY/
RANDOM CONFIRM INSERT PAUSE STOP
S8 S9 S10 S11 S12
R106 R103 R100 R97
20K 10K 5.1K 2K
P-MODE/
SET ENTER REPEAT CHARA
S3 S4 S5 S6
R107 R104 R101 R98
20K 10K 5.1K 2K
m
c o -37.5V
DPF-J3010/J5010(M)
CD-223M/224M/DPF-J3010/J5010
Y22-7400-10
S T
2SA954
2SC2003
2
9 9
BA5979S
17
DTA113ZSA
16
32
DTC124ESA
1
2SA1048
2SC2458
CXD2587Q
UN4212
2SA1309A
2SC3311A
C104
0.01 WH5
TA8409S
NJM2115M
C63
0.01
9 8 2 9 9
UN5212
JOG
S19
R119
47K
2SK246
R120
47K
+5V
39
TC74HC00AF
33
31
E10
( 39 ) 1 STB1
CXA1571M
2 D-SW
3 JOG1
4 JOG2
( 17 ) 5 SCK
32
( )
19 6 SI
(
18 ) 7 SO
8 RST
+5V 9 +5V
10 GND
-37.5V 11 -37.5V
12 F
13 F