Panasonic SA-AK640PL, Service Manual

Page: 59 / 104

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
1
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-AK640PL CD SERVO CIRCUIT
SA-AK640PL
59