Panasonic SA-AK450PL, Service Manual

Page: 65 / 103

19 Schematic Diagram
19.1. (A) CD Servo Circuit
C7223
50V0.7
D7650
MAZ80560ML
C7225
1000P 50V1
C7227
1k
R7217
LB7262
0.1
C7263
R7218 1k
LB7264 LB7263
LB7262-LB7264
D0GBR00JA008
50V1
C7228
C7226
1000P
C7217
0.1
C7244
0.015
82k
R7211
100
R7221
C7231
6.3V220
C7230
0.1
820
R7212
C7241
1000P
C7218
0.082
C7216
680P
0.47
C7102
0.1
C7204
16V10
C7235
C7234
0.1
C7161
0.1
C7203
6.3V220
C7315
0.47
C7339 0.018
3.3k
R7315
10k R7328
R7330
5.6K
10k
R7111
C7142
3300P
10
R7253
C7166
0.01
S7201
REST SW
1M
R7220
R7214 470
3 1
2
X7201
H2B169500005
1K
R7254
C7155 0.1
0.1 C7154
10u
C7164
10u
C7165
470P
C7253
0.1
C7233 C7232
6.3V220
0.1
C7243
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
CN7002
0.022
C7107
79
77
76
78
49
47
48
50
74 71 72 67 68 56 55 58 57 52 51 54 53 65 66 61 62 59 60 64 63 70 69 73 75
10 8 7 9 12 11
99
100
95
94
96
97
90
91
89
93
92
98
4 6 5 2 1 3
81
82
80
86
87
88
84
83
85
45
19 17 15 14 16 18
43
23 21 20 22
41
24
39
37
33
35
34
29
30
27
26
28
32
31
36
38
25
40
42
44
13
46
IC7001
MN6627954MA
SERVO PROCESSOR/
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER D/A CONVERTER
C7264
0.1
C7601
6.3V33 4.7
R7601
C7614
6.3V100
C7670
0.1
C7626
0.1
Q7601
B1ADCF000001
LASER POWER DRIVE
5.6 R7650
+
SPINDLE MOTOR
C7334
10V220
C7335
0.1
+
TRAVERSE MOTOR
C7613
0.1
GND1
6
5
8
9
10
12
11
7
2
1
4
3
14
13
16
15
CN7001
1k
R7327
18k
R7349
10
R7336
100
R7335
1k
R7332
22k
R7331
3.3k
R7323
330
R7325
1k
R7329
C7352
0.018
1k
R7339
C7338
0.056
19 18 17 20 14 16
13 12 9 11 10 13
22 23 21 28 27 24 25 26
2 1 6 7 8 3 4 5
IC7002
BA5948FPE2
4 CH DRIVE IC
MLD
7.5V
MCLK
MDATA
RST
STAT
BLKCK
PGND
3.3V
ST_IN
TX
LD SW
DGND
ST_CLK
AGND
AGND
DGND
ST_REQ
RESET_SW
LCH OUT
RCH OUT
LOADING
A9 A1
1
TRP TR
VP
BA1 A0 A2 A4 A6 A8 A7 A5 A3 A1 A10 NWE BA0 PC NRAS NCAS PRAMVDD15 PRAMVDD33 PRAMVSS33 SPOUT
F
A
B
E
GND
T-
F-
F+
T+
LPD
VREF
LD GND
GND (GUARD)
GND (GUARD)
LD
VCC
6
5
8
9
10
12
11
7
2
1
4
3
14
13
16
15
PVCC1
D4+
D1-
PVCC2
NC NC NC NC
NC NC NC IN2 NC PC1 PC2 IN1 GND PGND1
FO GAIN
GND
IN4 IN3
VCC
FOP
VREF
PGND2
D3+
D2-
D3-
D2+ D1+
D4-
TRV GAIN
[50] ARFFB
RFIN
A
B
F
E
D
C
PD
LD
VREF
CENV
AVDD2
RFENV
AVSS2
IODD2
[26] DVSS1
DVDD1
OSCIN
RFOUT
ARFDC
[49] ARFOUT
CTRCRS
SRVMON0
SRVMON1
DVDD2 [76]
X2
X1
REGON
D5
D7
D8
D9
D15
D13
D11
D10
D12
D14
D6
SDRCK [100]
DRVDD
NTEST
D1
D3
D4
D0
D2
IODD1 [77]
DVSS2
ARFIN
IREF
OUTL
TX
MLD
EXT1
FLAG
ST
AT
NRST MCLK
EXT2
OUTR
EXT0 PLLF
AVSS1
SMCK PMCK
DVSS3 BLKCK
MDA
TA
AVDD1
PLLF0
DSLF
DQSYTXT
NSR
VMONON
C
C
C
C
LASER DIODE
11
12
6
8
2
3
GND
VCC
AIN
BIN
VREF
NAOUT
GND
NBOUT 1
2
3
4
5
6
7
8
10
5
4
9
C
W7025
0
W7023
0
W7017
0
W7026
0
W7021
0
W7016
0
W7024
0
W7013
0
W7012
0
W7014
0
W7022 0 W7020 0 W7019 0 W7018 0
W7015
0
W7027
0
M7301 M7302
W7005
0
W7029
0
W7028
0
W7007
0
W7006
0
W7008
0
W7009
0
W7010
0
W7001
0
W7003
0
W7004
0
W7002
0
W701
1
0
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
A
B
D
E
F
H
G
C
: + B SIGNAL LINE
SA-AK450PL CD SERVO CIRCUIT
CD SERVO CIRCUIT
TO
MAIN CIRCUIT
(CN2801) IN
SCHEMATIC
DIAGRAM - 4
SCHEMATIC DIAGRAM - 1
OPTICAL PICKUP CIRCUIT
(FOR REFERENCE ONLY)
: CD DA SIGNAL LINE : CD SIGNAL LINE
TP 39 TP 38
TP 37
TP 36
TP 90
TP 28
VREF
TP 51
(RF)
TP 50
TP 88
TP 89
TP
87
TP
86
TP 24 TP 13
TP 12
TP 7
TP 8
TP 9
TP 31
TP 4
TP 3
TP 2
TP 1
TP 11
TP 10
TP 16
TP 14
TP 19
TP 18
TP 17
SA-AK450PL
65