Schematic Diagram; Cd Servo Circuit - Panasonic SA-PM24EB Service Manual

18 Schematic Diagram

18.1. CD SERVO CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 1
A
A CD SERVO CIRCUIT
Q7601
B1ADCF000001
B
CN7001
LASER DRIVE
VCC 1
F 2
E 3
R7650 5.6
LD 4
LD GND 5
GND 6
A 7
C7613 0.1
TO OPTICAL GND (GUARD) 8
PICKUP UNIT B 9
VREF 10
LPD 11
C
GND (GUARD) 12
T- 13
T+ 14
F- 15
F+ 16
D
E
F
15 16 17 18
C7335
0.1
C7334
10V220
14 13 12 11
G
TP TP TP
39 38 36
H
+
M7301*
TRAVERSE MOTOR
1 2 3
4 5 6
: +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
C7614
6.3V100
TP
28(VREF)
TP
90
R7327 R7349
1K 18K
R7329
1K
19 20 21 30 22 23 24 25 26 27 28
10 9 8 29 7 6 5 4 3 2 1
R7323 R7331
6.8K 27K
IC7002
BA5948FPE2
R7325
330
DRIVER
R7332
R7335
1K
100
TP
37
+
M7302*
SPINDLE MOTOR
4 5 6
7 8 9
R7217
C7217
R7218
0.1
C7231
6.3V220
R7221 100
R7211
C7230
82K 0.1
C7244
0.015
24
TP
TP
51(ARF)
C7216
680P
C7223
50V4.7
C7161 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
0.1
C7203
50 ARFFB
6.3V220
49 ARFOUT
48
ARFDC
C7204 0.1
AVDD2
47
C7102 0.47
TP 46 RFIN [51] ARFIN [74] SMCK
50
[52] DSLF [75] PMCK
45
RFOUT
C7142 3300P
44
RFENV
C7107 0.022
43 CENV
42 LD
41 PD
40 A
IC7001
C
39
MN6627954AMA
38 B
SERVO PROCESSOR
37 D
36 F
35 E
34 VREF
R7111
33 CTRCRS
10K
32 OSCIN
31 AVSS2 [24] TRP [1] A9
[25] FOP [2] A11
TP
88 30 SRVMON1
TP 89 29 SRVMON0
C7154 0.1
28 DVDD1
C7155 0.1
27 IODD2
26
DVSS1
9 8 7 6 5 4
R7328 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
10K
TP TP
87 86
R7315
3.3K
7 8 9
73
10 11 12
TP
14
D7650
MAZ8056GML
TP
16
TP
19
C7227
1K 50V1
TP
18
TP
17
C7228
50V1
1K
13
TP
C7263 0.1
73 74 75
C7234
0.1
DVDD2 76
IODD1 77
C7235
78
DVSS2
16V10
NTEST2 79
X2 80
81
X1
12
NTEST 82 TP
7
D2 83
TP
8
D1 84 TP
9
D0 85 TP
TP 4
86
D3
TP
R7253 10 3
31
D4 87 TP
D5 88
R7254 1K
89
D6
D7 90
TP
2
D15 91
92
D14
DRVDD 93
S7201
D13 94
REST SW
D12 95
S7202
D11 96
CD OPEN
97
D10 R7220
1M
C7243
D9 98
0.1
D8 99
SDRCK
100
X7201
H0H169500013
3 2 1
TP
1
SA-PM24EB/EG/EP CD SERVO
10 11 12
13 14
A
B
C
D
CN7002
1
22 LCH OUT
21 A. GND
20 RCH OUT
19 3.3V
18 SRDATA (ST_IN)
17 LRCK (ST_REQ)
16 BCLK (ST_CLK)
15 TX
B
14 MCLK
TO
13 MDATA
MAIN CIRCUIT
E
12 MLD
(CN807)
11 STAT
IN SCHEMATIC
10 BLKCK
DIAGRAM - 4
9 RST
8 3.3V
7 LD SW
6 D. GND
5 REST SW
4 LOADING
3 CD OPEN SW
2 P. GND
1 7.5V
22
F
G
TP
11
TP
10
CIRCUIT
H
13 14