Schematic Diagram; Cd Servo Circuit - Panasonic SA-AK980PU Service Manual

16 Schematic Diagram

16.1. CD Servo Circuit

1 2 3
SCHEMATIC DIAGRAM - 1
A
CD SERVO CIRCUIT
B
OPTICAL PICKUP UNIT
(FOR REFERENCE ONLY)
C
2
C3
1
0.22
VR1
3
12 11 10 9 8 7
D
1 2 3 4 5 6
L1
TRACKING
C2
C1
0.22
0.47
L2
FOCUS
E
F
C7335 15 16 17 18 19 20 21 30
0.1
GND
IC7002
C7334
BA5948FPE2
10V220
4 CH DRIVE IC
G
GND
14 13 12 11 10 9 8 29
TP 39 TP 38
TP 37 TP 36
+
W7014
+
0
M7301*
TRV MOTOR
M7302*
SPL MOTOR
+7.5V
H
1 2 3
4 5 6
: +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
+3.3V
C7626
0.1
W7021
0
W7018
W7008
W7007
0
0
C7203
6.3V220
W7001
D7650
0
C7204
D7650
0.1
MAZ8056GML
Q7601
B1ADCF000001
LASER POWER DRIVE
CN7001
W7012 W7010
1 VCC 1 Q7601
0 0
2 F 2
3 E 3
4 LD 4 W7011
0
W7009 0 R7650 C7614
5 LD GND 5
6.3V100
5.6
W7006
TP 51 W7017
6 GND 6
0 (RF) 0
7 A 7
C7613 0.1
8 GND GUARD 8
TP 90
9 B 9
W7013 0
10 VREF 10 C7223
50V4.7
11 LPD 11
TP
W7003 50
12 GND GUARD 12
(RF)
0
13 T- 13
14 T+ 14
15 F- 15
16 F+ 16
TP 28
VREF
W7004
0
TP
(VREF)
TP 87
R7327 R7349
1K 18K
22 23 24 25 26 27 28
R7329 R7328
1K 10K
C7352
C7339
0.018
0.018
7 6 5 4 3 2 1
R7323 R7331
6.8K 27K
R7325 R7315
R7335 100 330 3.3K
R7332 1K
4 5 6
7 8 9
C7255
0.1
W7019
0
C7230
0.1
C7217
0 0.1
C7231
6.3V220
R7211 82K
TP
C7244 0.015
41 42 43 44 45 46 47 48 49 50 51 52 53
40 AVSS2
39
NC
C7216
680P
38 ARFIN
37
ARFFB
C7161
0.1
36 ARFOUT
W7016
0
35 ARFDC
34 RFIN
C7102
0.47
33 RFOUT
C7142
3300P
32 RFENV
31 CENV IC7001
C7107
MN6627553PA
0.022
AVDD2-2
30 SERVO PROCESSOR
29 LD
W7002
0
28 PD
27 A
26 C
25 B
D
24
F
23
22 E
21 AVSS2-2
20 19 18 17 16 15 14 13 12 11 10 9
C7154
0.1
7 8 9
99
10 11 12
16
TP
R7217 C7225 C7227
1K 1000P 50V1u
R7218 C7226 C7228
1K 1000P 50V1u
R7221
100
54 55 56 57 58 59 60
TP 13
+3.3V
W7020
0
+1.5V
DVDD2 61
NTEST2 62
TEST 63
TP 25
SBCK / IPFLAG 64
TP 12
R7260
100
TX 65
TP 7
MCLK 66
TP 8
MDATA 67
TP 9
MLD 68
R7253
TP 4
10
STATS 69
TP 31
BLKCK 70
NRST 71
W7024
0
DVSS2 72
X2 73
W7023 X7201
0 H0H169500013
X1 74
R7220
1M
IODVDD2 75
NSRVMONON 76 CD OPEN SW
X7201 R7214
TP 24
270
FLAG0 GIOO 77
GI01 78
GI02 79
DQSY 80
8 7 6 5 4 3 2 1
TP TP TP TP
C7155
0.1
SA-AK980PU CD SERVO
10 11 12
13 14
A
14
TP
TP 19
TP 18
B
TP 17
C
CN7002
(1)
25 LCH OUT
24 A.GND
23 RCH OUT
22 +3.3V
21 SRDATA2(SD)
20 SRDATA1(SD)
19 BCK(MD & SD)
18 LRCK(MD & SD)
17 SRDATA(MD & SD)
16 +3.3V
C7253 D
15 LD_SW TO
470P
D.GND
MAIN CIRCUIT
14 D.GND
(CN2801) IN
13 IPFLAG(SD)
SCHEMATIC
12 TX
DIAGRAM - 5
11 MCLK
10 MDATA
9 MLD
8 BLKCLK
7 STAT
W7026 C7243 0.1
0 6 /RST
W7025
5 RESET_SW
0
4 LOADING
E
3 CD OPEN SW
R7254
2 P.GND
1K
TP 3
1 +7.5V (25)
C7166
0.01
S7201
REST SW TP 2
S7202
TP 1
F
G
TP 11
TP 10
CIRCUIT
H
13 14