Schematic Diagram; Cd Servo Circuit - Panasonic SA-PM33EE Service Manual

18 Schematic Diagram

18.1. CD Servo Circuit

SCHEMATIC DIAGRAM - 1
OPTICAL
CD SERVO CIRCUIT
PICKUP CIRCUIT
LASER DIODE
CP701
6 VCC
1 1
8 F
2 2
E
3 3
C
11 LD
4 4
C
LD GND
12
5 5
W7023 0
GND
6
6
A
1 GND NBOUT 8 7 7
GND
8 8
2 VCC GND 7
B
9 9
C
VREF W7026
4
3 6 10 10
BIN NAOUT
9
LPD
11 11
10
4 AIN VREF 5 GND W7024
5 12 12
C
T-
13 13
2
T+
14 14
3
F-
15 15
C
F+
16 16
CN7001
C7335
0.1
C7334
10V220
15 16
17
14 13 1
W7027
0
39
M
37
M
: +B SIGNAL LINE : CD-DA SIGNAL LINE
W7022
W7025 R7601
4.7 C7601 C7670 C7626
0
0.1 0.1
6.3V33
R7650
5.6
Q7601
C7614 Q7601
6.3V100
B1ADCF000001
LASER POWER DRIVE
C7613 0.1
0
0
R7329 1K
R7327
1K
18 19 20 21 22 23 25 26 27 28
24
GND
IC7002
BA5948FPE2
4 CH DRIVE
C7352
0.018
GND
2 11 10 9 8 7 6 5 4 3 2 1
R7336
10
R7335
100
38
C7338 C7315
0.056 0.47
R7323
36
3.3K R7331
R7325 330 22K
: CD SIGNAL LINE
0 W7020 0
W7019
0
16
W7018
0
C7218
0.082
R7212
C7241 820
1000P
R7211
82K
C7244 0.015
C7217 0.1
51(RF) C7216
680P
W7014
51 52 53 54 55 56 57 58 59
0
C7203
C7161
6.3V220
0.1
50 ARFFB
49
ARFOUT
W7015 0
C7223 50V4.7
48 ARFDC
C7204 0.1
47 AVDD2
C7102 0.47
46
50 RFIN
45 RFOUT
C7142 3300P
44
RFENV
C7107 0.022
43
CENV
W7017 0
42 LD
41
PD
W7021 0
40
A
39 C
38
B
DIGITAL SIGNAL PROCESSOR/
W7016
37
D DIGITAL FILTER D/A CONVERTER
0
36 F
35
E
34
VREF
R7328 10K
33
CTRCRS
R7111 10K
32
OSCIN
W7012 0 W7013 0
31
AVSS2
R7349
30
18K SRVMON1
29
SRVMON0
C7154 0.1
28
DVDD1
C7155 0.1
27
IOVDD2
26
DVSS1
25 24 23 22 21 20 19 18 17
C7339
0.018
R7339 R7330
1K 5.6K
R7315
3.3K
63
C7227
R7217 17
50V1
1K
C7225
1000P
C7228 D7650
C7226
R7218
50V1 MAZ80560ML
1000P
1K
W7005
0
W7011
24
C7253
470P
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
R7028
DVDD2 76
77
IOVDD1
DVSS2 78
NTEST2 79
80
X2
R7253 10
X1 81
NTEST 82 R7254 1K
83 C7166 0.01
D2
D1 84
85
D0
IC7001
86
D3
R7220
MN6627954MA 1M
D4 87
SERVO PROCESSOR/ 88
D5
X7201 R7214
89
D6
H2B1695000005 470
D7 90
91
D15
D14 92
DRVDD 93
94
D13
C7264
D12 95 0.1
D11 96
97
D10
D9 98
D8 99
100
SDRCK
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
C7234 0.1
C7235
16V10
R7332
1K
SA-PM33EE CD SERVO CIRCUIT
SA-PM33EE
14
C7232
W7006
19
0
6.3V220
18
W7008
0
W7009
0
7
8
9
C7263
W7010
0 0.1
31
13
LCH OUT
17
A.GND
16
RCH OUT
15
+3.3V
14
0
D.GND
13
LD SW
12
TX
11
0 +7.5V
TO
10
C7243 MAIN CIRCUIT
PGND
9
(CN801) ON
0.1
MCLK
8
SCHEMATIC
MDATA
7 DIAGRAM-2
MLD
6
BLKCK
5
STAT
4
/RST
3
REST SW
2
LOADING
1
CN7002
3
4
W7004
0
W7002
0
W7003
0
W7001
0
2 10
S7201
RESET SW
1
11