CV SS1
1
A22
2
CV SS2
3
DV DD1
4
A10
5
HD7
6
A11
7
A12
8
A13
9
A14
10
BIO
31
MP/MC
32
DV DD2
33
CV SS4
34
BDR1
35
BFSR 1
36
A15
11
CV DD1
12
CV
S
S
5
37
BC
L
K
R1
38
XF
27
HOLDA
28
IAQ
29
HOLD
30
HAS
13
DV SS1
14
HC
N
TL0
39
CV SS3
15
CV DD2
16
IOSTRB
25
MSC
26
HC S
17
HR/W
18
DS
21
IS
22
R/W
23
MSTRB
24
REA DY
19
PS
20
DV
S
S
2
40
BC
L
K
R0
41
BC
L
K
R2
42
BF
S
R
0
43
BF
S
R
2
44
BD
R
0
45
HC
N
TL1
46
BD
R
2
47
B
C
L
KX0
48
B
C
L
KX2
49
CV
S
S
6
50
HI
N
T
51
CV
D
D
3
52
BF
S
X
0
53
BF
S
X
2
54
HR
D
Y
55
DV
D
D
3
56
DV
S
S
3
57
HD
0
58
BD
X
0
59
BD
X
2
60
IA
C
K
61
HB
IL
62
NM
I
63
IN
T
0
64
IN
T
1
65
IN
T
2
66
IN
T
3
67
CV
D
D
4
68
HD
1
69
CV
S
S
7
70
B
C
L
KX1
71
DV
S
S
4
72
BFSX1
73
BDX1
74
DV DD4
75
DV SS5
76
CLK MD1
77
CLK MD2
78
CLK MD3
79
HPI16
80
HD2
81
TOUT
82
EMU0
83
EMU/OFF
84
TDO
85
TDI
86
TRST
87
TCK
88
TMS
89
CV SS8
90
CV DD5
91
HPIENA
92
DV SS6
93
CLK OUT
94
HD3
95
X1
96
X2/CLKIN
97
RS
98
D0
99
D1
100
D2
101
D3
102
D4
103
D5
104
A16
105
DV SS7
106
A17
107
A18
108
A1
9
109
A2
0
110
C
V
SS9
111
D
V
DD5
112
D6
113
D7
114
D8
115
D9
116
D1
0
117
D1
1
118
D1
2
119
HD
4
120
D1
3
121
D1
4
122
D1
5
123
HD
5
124
C
V
DD6
125
CV
S
S1
0
126
HD
S
1
127
D
V
SS8
128
HD
S
2
129
D
V
DD6
130
A0
131
A1
132
A2
133
A3
134
HD
6
135
A4
136
A5
137
A6
138
A7
139
A8
140
A9
141
C
V
DD7
142
A2
1
143
D
V
SS9
144
IC401
YESAM275
A1
1
A12
A13
A14
A15
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D1
5
D1
4
D1
3
D1
2
D1
1
D1
0
D9
D8
D7
D6
A18
A17
A16
D5
D4
D3
D2
D1
D0
R/W
nM STRB
OE
a
1
A0
a
2
A1
a
3
Y0
a
4
Y1
a
5
Y2
a
6
Y3
a
7
GN
D
8
Y3
b
9
Y2b
10
Y1
b
11
Y0
b
12
A1
b
13
A0
b
14
OE
b
15
VC
C
16
IC
403
YESAM171
R402
10k
nM
S
T
RB
MUTE
nPS
MD
A
TA
ML
D
M
CLK
CL
K
_
C
_
M
LR
C
K
_C
_
M
DA
TA
_
C
_
M
CL
K
_
M_
C
L
R
CK
_
M_C
D
A
T
A
_
M_C
R401
10k
C4
0
2
0.1u
C
403
0
.1u
C405 0.1u
C407
0.1u
C
408 1u
C409
0.1u
C412
0.1u
C413
0.1u
C414
0.1u
C415
0.1u
C401
0.1u
C
404
0
.1u
C406
0.1u
R4
1
4
4
.7k
R4
1
3
4
.7k
SC
K
SO
SI
CD
F
S
BLK
C
K
R
EST
S
W
SW
1
SW2
CLKENA
A1
5
A1
4
FLASH
A1
3
ST
A
T
A1
2
A1
1
A1
0
A9
/R
S
T
A8
A1
8
A1
7
OE
1
A
2
GND
3
Y
4
Vcc
5
IC405
YESAM270
A7
A6
TP403
CV DD
A5
A4
C
411
0
.1u
A3
A2
A1
A1
6
D1
5
D7
D1
4
D6
D1
3
D5
D1
2
D4
D1
1
D3
D1
0
D2
D9
D1
D8
nPS
D0
A0
L402
R403
10k
R410
10k
C
452
470u
F
/6
.3V
R
404
47k
R
407
3
.3k
R412
3.3k
Vin
1
GND
2
Cont.
3
Noise
4
Vo
5
IC404
YESAM178
C416
1u
C422
0.1u
C421
1u
R
409
1
0
0
R4
2
0
560
R4
1
9
2
2
0
R416 4.7k
R
417
10k
R
4
22
100k
X401
R
4
05
4
.7k
C419
0.1u
C417
0.1u
C410
1u
TP408
TMS
TP409
TCK
TP411
TDI
TP410
TRST
TP412
TDO
TP413
EMU
TP414
EMU0
TP404
VDD3.3V
TP405
GND
A1
0
2
1
4
6
8
3
5
7
RA 401
56
2
1
4
6
8
3
5
7
RA 403
100
2
1
4
6
8
3
5
7
RA402
56
2
1
4
6
8
3
5
7
RA 405
56
2
1
4
6
8
3
5
7
RA 406
56
2
1
4
6
8
3
5
7
R
A
407
56
2
1
4
6
8
3
5
7
R
A
408
56
2
1
4
6
8
3
5
7
R
A
409
56
2
1
4
6
8
3
5
7
R
A
410
56
2
1
4
6
8
3
5
7
R
A
411
56
2
1
4
6
8
3
5
7
R
A
412
56
L403
C
451
470u
F
/6
.3V
C
454
100u
F
/1
6
V
R423
56
R
424 56
R/
W
TP407
A22
TP416
A20
TP415
A19
TP406
A21
2
1
4
6
8
3
5
7
R
A
404
100
TP402
3.3V(RAM)
C418
1u
R4
1
5
4
.7k
R411 220
R406
220
R4
2
6
10
k
R
425 10
k
A1
5
1
A1
4
2
A1
3
3
A1
2
4
A1
1
5
A1
0
6
A9
7
A8
8
N.
C
.
9
N.
C
.
10
WE
11
N.
C
.
12
N.
C
.
13
N.
C
.
14
N.
C
.
15
A1
8
16
A1
7
17
A7
18
A6
19
A5
20
A4
21
A3
22
A1
6
48
N.
C
.
47
Vs
s
46
DQ
1
5
45
DQ
7
44
DQ
1
4
43
DQ
6
42
DQ
1
3
41
DQ
5
40
DQ
1
2
39
DQ
4
38
Vd
d
37
DQ
1
1
36
DQ
3
35
DQ
1
0
34
DQ
2
33
A2
23
A1
24
A0
25
CE
26
Vs
s
27
DQ
9
32
DQ
1
31
DQ
8
30
DQ
0
29
OE
28
IC402
YESAM280
CLK2
GN
D
CD
3
.3
V
GN
D
(A
)
Lc
h
Rc
h
TP303
RC H
TP302
LCH
DA TA_C_M
LRCK_C_M
CLK_C_M
MCLK
MDATA
MLD
/RST
STAT
BLK CK
14
15
16
17
18
TP401
SYS 3.3V
R
421
2
.2k
R
408
2
.2k
TP301
GND
VD
D
3
.3
V
Lc
h
Rch
GN
D
(A
)
GN
D
L401
RESET
/RST
CLK2
Di gital GND
01
T
Au
d
io G
N
D
L
404
R4
3
3
2.
2
k
MCLK
MDATA
MLD
STAT
TP109
MCLK
TP110
MDATA
TP111
MLD
TP112
STAT
C
125
0
.1u
J104 0
R
441 10
0
L
405
L
406
3032-14-14
CQ-C7402W CD Servo
nnector
0
0
0
0
0
0
0
1.6
1.6
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0
0
0
0
0
0
0
0
0
0
0
0
0
1.6
3.0
3.0
2.4
1.6
1.6
1.6
1.6
1.6
1.1
1.5
2.4
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.1
3.0
3.1
3.1
3.1
3.1
3.1
3.1
1.6
3.1
3.1
1.6
0.7
0
1.6
1.0
3.1
3.1
3.1
0.2
0
3.1
1.6
0
0
0
0
0
3.2
3.1
3.1
3.2
3.2
0
0
0
0
0
0
0
0
3.1
3.1
3.1
3.1
3.1
3.1
3.2
3.1
3.1
3.1
3.1
3.1
3.2
3.2
3.2
3.1
3.1
3.1
3.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.2
3.1
1.2
1.6
0
3.1
0
0.7
1.1
2.1
0
2V/DIV,0.5µS/DIV
2V/DIV,10µS/DIV
2V/DIV,0.2mS/DIV
2V/DIV,0.5mS/DIV
2V/DIV,2mS/DIV
1V/DIV,0.2µS/DIV
2V/DIV,2mS/DIV
2V/DIV,50mS/DIV
2V/DIV,50mS/DIV
2V/DIV,10mS/DIV
2V/DIV,2mS/DIV
0.5V/DIV,0.2µS/DIV
3.3V
8V
5V
8V
5V
3.3V
AUDIO (L,R)
The following symbols are
shown on the schematic diagram.
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
L
R
L
R
L
R
CQ-C7402W
35
Summary of Contents for CQ-C7402W
Page 4: ...7 LASER PRODUCTS 8 WIRING CONNECTION 4 ...
Page 5: ...9 DISASSEMBLY INSTRUCTIONS 9 1 How to Remove the Flexible PCB AP2 5 ...
Page 18: ...IC241 C1BB00001047 18 ...
Page 19: ...IC251 C1BB00001046 IC401 C1BB00001045 19 ...
Page 20: ...IC670 YEAMC14584BE IC271 C1EA00000043 20 ...
Page 21: ...IC730 C0DAEKG00002 IC701 C0DAZHF00004 IC702 AN8065S E1V 21 ...
Page 23: ...IC902 C0EBF0000374 IC903 B3MBZ0000006 11 3 CD Servo Block IC402 YESAM280 23 ...
Page 24: ...IC403 YESAM171 IC405 YESAM270 24 ...
Page 27: ...D304 B0JCME000012 Diode 27 ...
Page 50: ...29 YERFX005003 Clamper Arm Spring 50 ...
Page 52: ...15 EXPLODED VIEW CD PLAYER 16 WIRING DIAGRAM 16 1 Main Connector Block Top View 52 ...
Page 55: ...19 4 Display Block Right Side 19 5 CD Servo Block Left Side 19 6 CD Servo Block Right Side 55 ...
Page 56: ......
Page 57: ......
Page 58: ......
Page 59: ......
Page 60: ......
Page 63: ...C3FBMD000209 DTA144EKAT46 ...
Page 64: ...C1BB00001046 C1BB00001047 AN8065S E1V B0BC5R7A0062 B1GBNCEJ0003 B1GBNCEJ0003 CQ C7402W 33 ...
Page 66: ...C3FBMD000209 34 ...
Page 67: ...17 2 Display Block DTA144EKAT46 CQ C7402W 34 ...
Page 70: ......
Page 71: ......