17.2. (A) CD Servo Circuit
: CD-DA SIGNAL LINE
SCHEMATIC DIAGRAM - 1
CD SERVO CIRCUIT
: +B SIGNAL LINE
: CD SIGNAL LINE
C
C
C
C
LASER DIODE
11
12
6
8
2
3
OPTICAL
PICKUP CIRCUIT
12
11
10
2
4
6
8
9
7
5
3
1
13
14
15
16
GND
VCC
AIN
BIN
VREF
NAOUT
GND
NBOUT
1
2
3
4
5
6
7
8
10
5
4
9
C
CN7002
11
1
REST SW
LOADING
2
10
/RST
BLKCK
MLD
MDATA
MCLK
PGND
+7.5V
LD SW
D.GND
+3.3V
RCH OUT
A.GND
S7201
REST SW
C7243
0.1
C7102
W7015
0
0.47
C7203
6.3V220P
C7204 0.1
C7107 0.022
R7217
1K
LCH OUT
19
C7232
C7253
470P
R7218
1K
W7005
0
17
16
C7225
1000P
C7227
50V1
C7228
50V1
D7650
MAZ80560ML
C7226
1000P
C7166
0.01
C7264
0.1
STAT
C7142 3300P
C7223
50V4.7
C7218
0.082
C7241
1000P
R7211
82K
C7216
680P
C7161
0.1
W7014
0
W7018
0
W7019
0
W7020
0
W7022
0
R7212
820
C7244
0.015
C7217
0.1
C7154
C7155
R7111
10K
W7013
0
W7012
0
W7016
0
0.1
0.1
R7221
100
C7230
0.1
C7231
6.3V220P
18
8
R7254
1K
14
R7253
10
R7220
1M
C7234
0.1
16
1
2
3
4
5
6
14
12
10
8
7
9
11
13
15
T O
MAIN CIRCUIT
(CN2801) ON
SCHEMATIC
DIAGRAM-3
50
51(RF)
31
4
13
3
7
9
R7601
4.7
Q7601
Q7601
B1ADCF000001
LASER POWER DRIVE
37
36
38
39
GND
GND
F-
T+
T-
LPD
VREF
B
GND
LD GND
LD
E
F
VCC
C7601
6.3V33
R7650
5.6
W7025
0
W7026
0
W7024
0
W7023
0
C7614
6.3V100P
C7613
0.1
M7301
TRV
MOTOR
M7302
SRL MOTOR
R7331
22K
R7328
10K
W7021
0
W7017
0
R7349
18K
R7330
5.6K
R7332
1K
C7339
R7329
1K
C7338
0.056
W7027
0
C7315
0.47
R7323
3.3K
R7327
1K
R7335
100
C7335
0.1
C7334
10V220
R7336
10
F+
C7670
0.1
C7626
0.1
R7315
3.3K
R7325
330
IC7002
BA5948FPE2
4 CH DRIVE
VCC
NC
NC
NC
IN3
IN4
VREF
NC
GND
GND
PVCC2
PGND2
D4+
D4-
D3+
D3-
PGND1
PVCC1
NC
D2+
D2-
D1+
D1-
IN1
NC
NC
PC2
PC1
IN2
NC
3
4
5
6
24
25
26
27
28
8
1
2
23
21
9
20
10
19
1
11
18
2
13
17
16
15
22
7
14
R7339
1K
A
12
11
10
2
4
6
8
9
7
5
3
1
13
14
15
16
CN7001
CP701
1
2
3
4
5
6
7
8
9
26
27
28
29
30
31
32
33
34
67 68 69 70 71 72 73 74 75
92
93
94
95
96
97
98
99
100
10
66
35
91
11
65
36
90
12
64
13
63
37
89
38
88
14
62
15
61
16
60
39
87
40
86
41
85
17
59
18
58
19
57
20
56
42
84
43
83
44
82
45
81
21
55
22
54
23
53
24
52
25
51
46
80
47
79
48
78
49
77
50
76
NTEST2
PRAMVDD15
PRAMVDD33
PC
DQSYTXT
SMCK
PMCK
NSRVMONON
PD
LD
E
A
C
F
B
D
DVSS2
IOVDD1
DVDD2
EXT2
EXT1
NRST
FLAG
STAT
MCLK
TX
BLKCK
MDATA
MLD
EXT0
IOVDD2
NTEST
FOP
TRVP
SPOUT
TRP
DVSS1
SDRCK
BA0
BA1
PRAMVSS33
A10
A11
NRAS
NCAS
NWE
A8
A7
A9
A5
A3
A1
A0
A2
A4
A6
CENV
RFENV
SRVMON1
CTRCRS
SRVMON0
AVSS2
OSCIN
VREF
DVDD1
RFIN
RFOUT
D10
D12
DRVDD
D15
D0
D4
D6
D7
D5
D3
D2
D1
D14
D13
D11
D8
D9
X2
X1
ARFDC
ARFOUT
AVDD2
ARFFB
PLLF0
AVDD1
DVSS3
OUTR
AVSS1
ARFIN
IREF
OUTL
PLLF
DSLF
IC7001
MN6627954MA
SERVO PROCESSOR/
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER D/A CONVERTER
17
24
0.1
6.3V220P
C7263
0.1
R7214
470
X7201
X7201
H2B169500005
C7235
16V10
C7165
10
C7164
10
M
M
0.018
C7352
0.018
C7233
W7006
0
W7007
0
W7008
0
W7009
0
W7010
0
W7011
0
W7028
0
W7004
0
W7002
0
W7003
0
W7001
0
SA-AK640GCP CD SERVO CIRCUIT
SA-AK640GCP
59
Summary of Contents for SA-AK640 GBP
Page 13: ...8 Operating Instructions Procedures 13 SA AK640GCP ...
Page 14: ...14 SA AK640GCP ...
Page 23: ...10 3 Main Parts Location 23 SA AK640GCP ...
Page 40: ...12 2 Checking and Repairing of Transformer P C B 40 SA AK640GCP ...
Page 41: ...12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 41 SA AK640GCP ...
Page 42: ...12 4 Checking and Repairing of Power P C B 42 SA AK640GCP ...
Page 47: ...47 SA AK640GCP ...
Page 48: ...14 2 Power P C B Transformer P C B 48 SA AK640GCP ...
Page 49: ...14 3 Waveform Chart 49 SA AK640GCP ...
Page 50: ...50 SA AK640GCP ...
Page 52: ...52 SA AK640GCP ...
Page 58: ...58 SA AK640GCP ...
Page 60: ...SA AK640GCP 60 ...
Page 62: ...SA AK640GCP 62 ...
Page 68: ...SA AK640GCP 68 ...
Page 70: ...SA AK640GCP 70 ...
Page 76: ...SA AK640GCP 76 ...
Page 84: ...SA AK640GCP 84 ...
Page 89: ...21 Exploded Views 21 1 Cabinet Parts Location SA AK640GCP 89 ...
Page 90: ...SA AK640GCP 90 ...
Page 91: ...21 2 Deck Mechanism Parts Location RAA4502 S SA AK640GCP 91 ...
Page 92: ...21 3 Packaging SA AK640GCP 92 ...