Panasonic SA-AK640E Service Manual page 151

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SCHEMATIC DIAGRAM - 1
OPTICAL
CD SERVO CIRCUIT
PICKUP CIRCUIT
LASER DIODE
CP701
6
VCC
1
1
8
F
2
2
E
3
3
C
11
LD
4
4
C
W7023
LD GND
12
5
5
0
GND
6
6
A
GND
1
NBOUT
8
7
7
GND
8
8
2
VCC
GND
7
B
9
9
C
VREF
4
10
3
6
10
BIN
NAOUT
9
LPD
11
11
10
4
AIN
VREF
5
GND
5
12
12
C
T-
13
13
2
T+
14
14
3
F-
15
15
C
F+
16
16
CN7001
C7335
0.1
C7334
10V220
15
14
W7027
0
39
37
: +B SIGNAL LINE
: CD-DA SIGNAL LINE
R7601
4.7
C7601
C7670
C7626
6.3V33
0.1
0.1
W7025
0
R7650
5.6
Q7601
C7614
Q7601
6.3V100P
B1ADCF000001
LASER POWER DRIVE
C7613 0.1
W7026
0
W7024
0
R7329
R7327
1K
16
18
19
20
21
22
23
25
26
27
28
17
24
GND
IC7002
BA5948FPE2
4 CH DRIVE
GND
13
1
2
11
10
9
8
7
6
5
4
3
2
1
R7336
10
R7335
100
38
M
C7338
0.056
R7323
36
M
3.3K
R7325
330
: CD SIGNAL LINE
W7022
0
W7020
0
16
W7019
0
C7218
0.082
W7018
R7212
0
C7241
820
1000P
R7211
82K
C7244 0.015
C7217 0.1
51(RF)
C7216
680P
51
W7014
0
C7203
C7161
6.3V220P
0.1
50
ARFFB
49
ARFOUT
C7223
50V4.7
W7015
0
48
ARFDC
C7204 0.1
47
AVDD2
C7102
0.47
50
46
RFIN
45
RFOUT
C7142 3300P
44
RFENV
C7107 0.022
43
CENV
W7017
0
42
LD
41
PD
W7021
0
40
A
39
C
38
B
W7016
37
D
0
36
F
35
E
34
VREF
1K
R7328
10K
33
CTRCRS
R7111
10K
32
OSCIN
W7012
0
W7013
0
31
AVSS2
R7349
30
SRVMON1
18K
29
SRVMON0
C7154
0.1
28
DVDD1
C7155
0.1
27
IOVDD2
26
DVSS1
25
C7352
C7339
0.018
0.018
R7339
R7330
1K
5.6K
C7315
0.47
R7315
R7331
3.3K
22K
C7227
R7217
50V1
1K
C7225
1000P
C7228
R7218
C7226
50V1
1000P
1K
W7005
0
24
4
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67 68 69 70 71 72 73 74 75
DVDD2
76
77
IOVDD1
DVSS2
78
NTEST2
79
X2
80
X1
81
NTEST
82
D2
83
84
D1
85
D0
IC7001
D3
86
MN6627954MA
D4
87
SERVO PROCESSOR/
88
D5
DIGITAL SIGNAL PROCESSOR/
89
DIGITAL FILTER D/A CONVERTER
D6
D7
90
D15
91
D14
92
DRVDD
93
D13
94
D12
95
D11
96
D10
97
D9
98
D8
99
100
SDRCK
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SA-AK640E/EB/EG CD SERVO CIRCUIT
14
W7006
17
19
0
C7232
6.3V220P
18
D7650
W7008
MAZ80560ML
0
W7009
0
7
8
9
C7263
W7010
0
0.1
31
13
LCH OUT
17
A.GND
16
RCH OUT
15
W7011
+3.3V
14
0
D.GND
13
LD SW
12
11
+7.5V
10
T O
C7243
W7028
PGND
9
MAIN CIRCUIT
0.1
0
MCLK
(CN2801) ON
8
SCHEMATIC
MDATA
7
DIAGRAM-3
MLD
6
BLKCK
5
R7253
10
STAT
4
R7254
1K
/RST
3
C7166
0.01
REST SW
2
LOADING
1
CN7002
R7214
X7201
470
3
R7220
1M
X7201
H2B169500005
W7004
0
C7264
W7002
0.1
0
W7003
0
W7001
0
C7234 0.1
C7235
16V10
2
10
R7332
1K
S7201
RESET SW
1
11

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