Schematic Diagram; Cd Servo Circuit - Panasonic SA-NS55P Service Manual

15 Schematic Diagram

15.1. CD SERVO CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 1
A
CD SERVO CIRCUIT
OPTICAL PICKUP CIRCUIT
(FOR REFERENCE ONLY)
LASER DIODE CN7001
6
1 VCC 1
8
2 F 2
B
3 E 3
11 C
4 LD 4
C
12
5 LD GND 5
6 GND 6
7 A 7
8 GND (GUARD) 8
GND
1 NBOUT 8
9 B 9
10 VREF 10
2 VCC GND 7
11 LPD 11
C
12 GND (GUARD) 12
4
3 BIN NAOUT 6
9 13 T- 13
14 T+ 14
C 10
4 AIN VREF 5
5 15 F- 15
C
16 F+ 16
2
3
C
D
E
15 16 17
F C7335
0.1
C7334
10V220
14 13
TP
TP
39 38
G
TP
+ 37
TRAVERSE MOTOR
H
1 2 3
4 5 6
: + B SIGNAL LINE
W7022 0 W7020 0 W7019
R7601 C7670 C7626
C7601
4.7 0.1
6.3V33 0.1
Q7601
W7025
0
W7017
0
R7650 5.6 C7614
6.3V100
W7023
0
C7613
0.1
W7026
0
Q7601
B1ADCF000001
LASER POWER DRIVE
TP
28
VREF
W7024
0
TP
90
GND1
R7327 R7349
1k 18k
R7336 TRV GAIN
10
C7352
0.018
R7329
1k
FO GAIN
18 19 20 21 30 22 23 24 25 26 27 28
GND
IC7002
BA5948FPE2
4 CH DRIVE IC
C7338
0.056
GND
12 11 10 9 8 29 7 6 5 4 3 2 1 R7323
3.3k
R7325
330
R7335
100
TP
+ 36
SPINDLE MOTOR
4 5 6
7 8 9
: CD DA SIGNAL LINE : CD SIGNAL LINE
0 W7018 0
TP
C7218
0.082
51
R7221
(RF)
100
C7241
1000P
W7014
R7212 C7231
0
6.3V220
820
C7217
0.1
W7005
0
R7211
C7230
82k
TP
0.1
24
C7244
0.015
C7223
W7012
C7216
0 6.3V4R7
680P
C7203
C7161 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
6.3V220
0.1
50
W7015
49
0
C7204
48 ARFDC
0.1
C7102
47 AVDD2
[50] ARFFB DVDD2 [76]
0.47
[49] ARFOUT IODD1 [77]
TP 46 RFIN
C7142
50 45 RFOUT
3300P
44 RFENV
C7107
43 CENV
0.022
42 LD
41 PD
IC7001
40 A
39 C MN6627954MA
SERVO PROCESSOR/
38 B
DIGITAL SIGNAL PROCESSOR/
37 D
DIGITAL FILTER D/A CONVERTER
36 F
35 E
34 VREF
R7111
33 CTRCRS
10k
32 OSCIN
31 AVSS2
TP
88 30 SRVMON1
[26] DVSS1 SDRCK [100]
TP
89 SRVMON0
29
C7154 0.1
28 DVDD1
C7155 0.1
IODD2
27
26
R7328 10k
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
R7330
5.6K
C7315
0.47
R7331
22k
R7315
3.3k
R7332
1k
7 8 9
59
10 11 12
TP
14
D7650
MAZ80560ML
R7217
1k
C7225
1000P
C7226
1000P C7228
50V1
R7218 1k
TP
13
W7010
C7263
0.1 0
71 72 73 74 75
C7234
0.1
W7009
76
0
C7235
77
6.3V10
DVSS2 78 W7008
0
REGON 79
X2 80
W7006
X1 81 0
W7007
NTEST 82
0
D2 83
D1 84
TP
12
D0 85
D3 86
D4 87 C7233 C7232
0.1
6.3V220
D5 88
TP
7
D6 89
TP
8
D7 90
TP
9
D15 91
TP
31
D14 92
DRVDD 93
TP
4 R7254
R7253 TP
D13 94 3
1K
10
D12 95
TP
D11 96
C7166
S7201
W7003 W7001
0.01
D10 97 REST SW TP
0 0
D9 98
D8 99
100
4 3 2 1
W7002 W7004 R7220
1M
0 0
1 3
X7201
H2B169500005
2
SA-NS55P CD SERVO CIRCUIT
10 11 12
SA-NS55P
13 14
A
TP
TP
16 C7227
19
50V1 B
TP
18
TP
17
C
LB7262-LB7264
D0GBR00JA008
CN7002
22 AGND 1
21 LCH OUT
20 AGND
19 RCH OUT
C7253
18 DGND
470P D
W7029
17 ST_IN
0
16 ST_CLK
15 ST_REQ
14 3.3V
TO
13 DGND
MAIN CIRCUIT
12 LD SW
(CN807) IN
11 TX
SCHEMATIC
W7028 C7243
10
7.5V DIAGRAM - 5
0 0.1
9 PGND
8 MCLK
7 MDATA
6 MLD
E
5 BLKCK
4 STAT
3 RST
2 RESET_SW
1 1 LOADING 22
2
F
TP
11
TP
10
G
H
13 14