Kenwood CD-425M Service Manual page 11

K L
+5V
LCD
u-COM
IC8
(BOTTOM
VIEW)
80
A4
79
A3
78
A2
77
A1
76
A0
75
SQCK/SCK
74
SO
73
SQSI
72
SI
71
STB1
70
DOOR-SW
69
TXD-R
68
RXD-R
67
SQCK/SCK-SW
66
TXD-232C IC6
65
RXD-232C (BOTTOM VIEW)
64
AVREF1 u-COM
63
IC-RESET
62
LED
61
AVSS
60
JOG1
59
JOG2
58
DISC-SW1
57
DISC-SW2
ONLY
56
INPUT
S1-SW
55
LOAD-SW
4.9V
54
UNLOAD-SW1
53
PROTECT
52
2.6V
AVREFO
51 2.5V
AVDD
C64
0.01
X2
12.5MHz
4.9V
+5V
+5V
+7.5V
Q3-8
MUTE
R57
560
Q3 Q5
R63
0.2V
80
1K
Q7
7V SWITCHING
POWER SUPPLY
Q6
Q4
+B +B
R64
L2
1K
0.2V Q10
100uH
79
+B
R58 560 Q8
12.3V
Q9
+B
Q11
+7.5V
5.8V
0.2V
D6
6.8V
+5V Q12
+5V
AC
120V(K)
230V(E) CN7
220-240V(M) W150
3 3
AC
110-120V(M) CN8
2 2
1 1 (K,P) : AC120V 60Hz
(T,E) : AC230V~ 50Hz
1 1 2 2
NJM2115M 2SK246
TA8409S
M N
1-1
P1
1-2
P6
+5V +5V
1-3
P11
1-4
P16 P17 P18
1-5
+
P21 P22
1-6
P26 P27 P28
1-7
P31 P32
Q24
1
A16(1M) 1
2
A17
3
SCL R99
47K
4
SDA
5
RD(OE) 5
6
(X32- ) (C/5)
WR(WE) 6
7
CE
8
ASTB(CE) Q23
4.9V
STANDBY
9 R149
D26
VDD +5V 330
10
RMUTE
11
RWRR 11
12
RWR 12
ON/STANDBY
13
RTRN 13
S1
14
L-D7 14
15
L-D6 15
16
L-D5 16
ON OFF
17
L-D4 17 S12
18
L-D3 18
19
L-D2 19
20
L-D1 20
21
L-D0 21
TIMER PLAY
22
VPP
23
+5VPWM 23
R100 47K
24
R-M-CW 24
R101 47K
25
R-C-CCW 25
-35.2V
26 R102 220K
N-CH
MON
1
R103 47K
2
27
S3-SW 27
R104 47K 3
28
S2-SW 28
75
29 0.2V
REG-ON
74
30
LOADM 30
72
-(IN2)
71
70
63
31
62
60
59
48
47
4.9V
26
+5V +5V
5.0V
+5V +5V
+7.5V +7.5V
R59
330
R60
330
12.9V
D3
D11
R91 100K
+ D18
R89 330
50
D19
R90 330
D12
49
R92 100K
+
68
R95 47K
53
R98
D22
R68 R69 R96 1.8K 1K L3
10K 10K
R97 10K D23 L4
+5V
Q22
5.0V
69
Q21
2SA954 2SA1175 UN4212
2SC3246 2SC2785 UN4219
O P
(X32- ) (B/5)
2-1 3-1 4-1 5-1
ED1
P2 P3 P4 P5
2-2 3-2 4-2 5-2
P7 P8 P9 P10 16G
60
F2
2-3 3-3 4-3 5-3
59
F2
P12 P13 P14 P15
58
NP
2-4 3-4 4-4 5-4 57
NP
15G
56
P19 P20
16G 80
55
2-5 3-5 4-5 5-5
15G 79
54
14G 78
P23 P24 P25
53
13G 77
2-6 3-6 4-6 5-6 52
14G
12G 76
51
P29 P30
11G 75
50
2-7 3-7 4-7 5-7
10G 74
49
P33 P34 P35 9G 73
48
P1 27
(2G-16G) 13G 47
P2 28
46
P3 29
45
P4 30
44
P5 31
43
12G P6 32
42
P7 33
41
P8 34
40
P9 35
39
P10 36
11G 38
P11 37
37
P12 38
36
P13 39
35
P14 40
34
10G P15 41
33
P16 42
32
P17 43
31
NC
30
P35 44
9G 29
P34 45
28
P33 46
27
P32 47
26
P31 48
25
8G
P30 49
24
P29 50
23
P28 51
22
E2
P27 52
4 LED
21
P26 53
3 POWER 7G
20
WH1
P25 54
2 POW-P
19
P24 55
1 GND
18
P23 56
17
P22 57
16
6G
P21 58
15
P20 61
14
P19 62
13
P18 63
12
8G 65
5G
CN9 11
7G 66
10
36V 1 -36V
6G 67
2 F1 9
5G 68
8
3 F2
4G 69
7
4 LCD
4G
3G 70
6
5 SCK
2G 71
5
6 SO
1G 72
4
7 SI
NP
3
8 STB
NP
3G
2
9 DOOR-SW
F1
1
10 RST
F1 2
11 LED
12 JOG1
13 JOG2
2G
14 REM
15 POWER
+5V 16 u+5V
P1
17 GND
1G P2
18 +5V
E1
19 +7.5V
LED 4
7.5V 11
J1 POWER 3
15
POW-P 2
1 Lch
GND 1
AUDIO
(27Vrms)
2 Rch
P1
(X32- ) (D/5)
J2
SYSTEM
CONTROL
J3
TXD
RXD
SL16
TEXT
GND
BA17805T DTA113ZSA 2SA1048
UPC7805AHF DTA124ESA 2SC2458
DTA143TSA
DTC124ESA
UN4112
UN4116
Q R
36V 36V
+5V +5V
CP3
100Kx5
CP1
100Kx15
40
40 P14
39
5.0V 39 P13
38
38 P12
37
37 P11
36
36 P10
35
35 P9
34
34 P8
33
33 P7
IC13
32
32 P6
(BOTTOM VIEW)
31
FL(DOT) DRIVER
31 P5
30
30 P4
29
29 P3
28
28 P2
27
27 P1
26
NC
36V
25
+5V VDD
24
AVDD
-35.2V
23
VSS
22
22 A/D0
21
21 A/D1
R118
100K
+5V +5V
5.0V
CONFIRM REPEAT
S8 S6 S4 S2
R126 2K R124 3K R122 5.1K
21
DISPLAY RANDOM
S9 S7 S5 S3
R127 2K R125 3K R123 5.1K
22
4.9V
A1
REMOTE 3
+5V +5V
DOOR SENSOR
2
SW REM
1
GND
36V 36V
TRANSMIT LED
Q28,29
7.5V
E4 E3
LED ON/OFF
WH2
D29 D28 D27
3 +7.5V 3
+7.5V
2 LCD1 2
D32 D31 D30
1 LCD2 1
C75 C76
1000P 1000P
Q28 R129 Q29 R130
+
1.8K 1.8K
5M51008BFP70LL
CD-425M/4260M/4700M/DPF-J6030
Y22-8240-10
S T
36V
+5V
CP2
100Kx15
36V
+5V
36V
-35.2V
61
61
P20 61
62
62
P19 62
63
63
P18 63
64
NC
65
8G 65
66
7G 66
67
6G 67
68
5G 68
69
4G 69
70
3G 70
71
2G 71
72
1G 72
73
9G 73
74
10G 74
75
11G 75
76
12G 76
77
13G 77
78
14G 78
79
15G 79
80
16G 80
5.0V
C72
C71 47u6.3
0.01
+5V
+
X4
5MHz
C93
WH4
100P
UPD4723
CN10
+7.5V 19 +7.5V
+5V 18 +5V
17 GND
+5V 16 u+5V
15 15 POWER
14 14 REM
S10
DISK
SKIP
NJM2100M
13 JOG2
12 JOG1
11 11 LED
6 10 RST
9 9 DOOR-SW
15 8 STB
8 7 SI
9 6 SO
LB1930M
7 5 SCK
4 LCD
3 3 F2
2 2 F1
36V 1 -36V
BA5979S
17
16
32
1
CXA1821M
CD-425M/4260M/4700M