Panasonic SA-AK520E Service Manual page 133

SCHEMATIC DIAGRAM - 2
: +B SIGNAL LINE
CD SERVO CIRCUIT
C757
6.3V100
C758
0.1
C755
0.1
R711 C717 R709
82K 0.1 100K
40
IREF
39
ARF
38
LDON
37
BDO
36
NRFDET
35 OFT
34
RFENV
33 TE
32 FE
31 FBAL
30
TBAL
C729
29
IOVDD1
0.1
28 FOM
27 FOP
26
TRM
25
TRP
24 TRVM(PC)
23
TRVP
22
SPOUT
21 DVDD2
C733
0.1
26 25 24 23
VSS D3 D2 /CAS
VCC D0 D1 WE RAS NC
1 2 3 4
: CD-DA SIGNAL LINE
R721
100
C744 C718
C741
C740
0.015
0.082
1000P
0.1
R712
820
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
IC702
MN6627934CH
SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
20 19 18 16 15 14 13 12 11 10 9
17
22 21 20 19 18 16 15
17
/OE A9 NC A8
A7 A6 A5 A4
IC704
C3ABMB000027
16M DRAM
NC A10 A0 A1 A2 A3
5 6 7 8 9 10 11 12
: CD SIGNAL LINE
C727
R717
C725
50V1
1K
1000P
C726
1000P
C728
R718
50V1
1K
C730
C731
0.1
6.3V220
25
C723
6.3V220
C724
0.1
12
MCLK 61
MDATA 62
63
MLD
64
BLKCK
PWMSEL 65
66
SMCK
67
SBCK
68
STAT
69
NRST
SPPOL 70
71
PMCK
72
DQSY
73
TXTD
74
TXTCK
75
NTEST
76
OUT X2
77
IN X1
78
DVSS1
79
DVDD1
80
MON
8 6 5 4 3 2 1
7
14
VSS
VCC
13
C781 C748
0.1 0.1
22 24
23
C753
470P
R760
100
11 10 9
8
C780
R753 10
0.1
7
C722
12P
R720
1M
R714
C721
220
12P
C782
C746
0.1
0.1
16
LCH OUT
19
A.GND
18
RCH OUT
17
+3.3V
16
D.GND
15
LD SW
14
TX
13
+7.5V
12
C743
P.GND
TO
11
MAIN
0.1
MCLK
10
CIRCUIT
MDATA
(CN310) ON
9
SCHEMATIC
MLD
8
DIAGRAM-5
NC
7
BLKCK
6
NC
5
NC
4
STAT
3
/RST
2
REST SW
1
CN702
13
S701
REST SW
1
15