Cd Servo Circuit - Panasonic SA-AKX92PH Service Manual

17.2. CD Servo Circuit

1 2 3
SCHEMATIC DIAGRAM - 1
A
A CD SERVO CIRCUIT
B
TP 23
C
C7613 C7614
0.1 6.3V47
TP 90
R7723
E 0
F R7733 0
D
B
C
A
D
MD/LPD
TP 64 TP 63
R7650
5.6
CD-LD
Q7601
B1ADCF000001
LASER DRIVE
R7601
4.7
E
C7670
0.01
3.3V
F
LD-GND
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
CP2
C7615 K7701
10 0
CP86
20 19 18 17 16 15 14 13 12 11
21
22 E
23 F
K7125 0
24 D
[21] AVSS2
25 B
26 C
27
A
28 PD
29 LD
IC7101
R7761 2.2M
30 AVDD2 MN6627553PA
C7107 0.022
31 CENV SERVO PROCESSOR
C7142 3300P
32
RFENV
TP 50 33 RFOUT
C7204 0.1
C7102 0.47
34 RFIN
C7223 10
35 ARFDC
[40] AVSS2
C7203 6.3V47
36 ARFOUT
C7161 0.1
TP 51 37
ARFFB
C7216 680P
C7601
38 ARFIN
10
39 NC
40
TP 14
41 42 43 44 45 46 47 48 49
CP24
C7244 0.015
R7213
2.7K
R7211 82K
C7217 0.1
R7212
820
C7626 C7213 C7241 C7218
0.1 0.33 1000P 0.082
4 5 6
7 8 9
S7201
RESET
2
TP 20 1
C7264
0.1
TP 13
C7166 R7254
0.01 1K
TP 16
R7220
10 9 8 7 6 5 4 3 2 1
1M
80 CP81
DQSY
X7201
R7214
CP82
G102 79 H0J169500039
470
G101 78 TP 88
77 CP85
FLAG0
[2] NC
[1] NC NSRVMON 76 CP84
C7221 C7222
IOVDD2 75
15P 15P
X1 74
X2 73
DVSS2 72
NRST 71
BLKCK 70
R7253 10
69
STAT
MLD 68
MDATA 67
[62] NTEST2
MCLK 66
[61] DVDD2
TX 65 TP 12
C7735
IPFLAG 64 TP 21 TP 7 TP 8 TP 9 CP4
10
NTEST 63
C7233 10
62
C7235 10
61 C7253
C7234 0.1 470P
50 51 52 53 54 55 56 57 58 59 60
C7263
0.1
LB7262 0
LB7264 0
LB7263 0
LB7266 0
C7230
LB7265 0
0.1
C7231
6.3V47
R7221 R7218
100 1K
C7243
0.01
TP 17 C7232
D7650
C7226 C7228 6.3V47
B0BC5R6A0266
1000P 1
TP 19
C7225
1000P C7227
1
7 8 9
105
10 11 12
4
3 TP 2
TP 3
1 SW_CLOSE
2 GND
3 SW_OPEN
LDM-
4 LDM-
LDM+
5 LDM+
7.5V
1 7.5V
2 PGND
3 OPEN_SW SW
LOADING
4 LOADING
5 REST SW
CP31
6 RST
STAT
7 STAT
BLKCK
8 BLKCK
MLD
9
MLD
MDATA
10 MDATA
MCLK
BLKCK
11 MCLK
LID_RIGHT
STAT
12 LID_RIGHT/CW
LDSW
MLD
13 LDSW
MDATA
14 DGND
LID_LEFT
MCLK
15 LID_LEFT/CCW
16 5V
SRDATA
17 SRDATA(ST IN)/EXT0
LRCK
5V
18 LRCK(ST REQ)/EXT1
BCL
BCL(ST CLK)
19
SRDATA1
20 SRDATA1/EXT3
SRDATA2
21 SRDATA2/EXT4
22 3.3V
23 RCHOUT
24 AGND
SRDATA 25 LCHOUT
26 AGND
LRCK
CLOSE_SW
BCL 27
SRDATA1
SRDATA2
PGND
TP 18
LDSW
1/2 2/2
SA-AKX92PH CD SERVO
10 11 12
13 14
TO CD SERVO
CIRCUIT (2/2)
CN7003
TO
LOADING MOTOR P.C.B.
(CD MECHANISM UNIT BRS1C)
CN7002
27
B
TO
MAIN CIRCUIT
(CN2009)
IN SCHEMATIC
DIAGRAM - 10
1
P1
CIRCUIT
13 14