Panasonic SA-AK220GCP Service Manual page 51

SCHEMATIC DIAGRAM - 2
CD SERVO CIRCUIT
C757
6.3V100
C758
0.1
C755
0.1
C717
R711 R709
0.1
82K 100K
40
39
38
37
36
35
34
33
32
31
30
C729 0.1
29
28
27
26
25
24
23
22
21
C733
0.1
26 25 24 23
1 2 3 4
: +B SIGNAL LINE : CD-DA SIGNAL LINE
R721
100
C730
C741 C744
1000P 0.015
C718
0.082
R712
820
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
IREF
ARF
LDON
BDO
NRFDET
OFT
RFENV
IC702
TE
MN6627934CH
FE
SERVO PROCESSOR
FBAL
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
TBAL
D/A CONVERTER
IOVDD1
FOM
FOP
TRM
TRP
TRVM(PC)
TRVP
SPOUT
DVDD2
20 19 18 17 16 15 14 13 12 11 10 9 8
22 21 20 19 18 17 16 15 14
IC704
C3ABMB000027
16M DRAM
13
5 6 7 8 9 10 11 12
: CD SIGNAL LINE
R717
1K
C727
C725
50V1
1000P
R718 C726
1K
1000P
C728
50V1
C731
6.3V220
0.1
25
C723
6.3V220
C724
0.1
12 11
MCLK 61
62
MDATA
63
MLD
BLKCK 64
65
PWMSEL
66
SMCK
R753
SBCK 67
10
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
7 6 5 4 3 2 1
C746
0.1
C781 C748
0.1 0.1
51
22 24
16
23
LCH OUT
A.GND
RCH OUT
+3.3V
D.GND
C753
LD SW
470P
R760
+7.5V
100
C743
P.GND
10 9
0.1
MCLK
MDATA
MLD
NC
BLKCK
NC
NC
STAT
/RST
REST SW
8
C780
0.1
13
7
C722
12P
R720
1M
R714 C721
220
12P
C782
0.1
S701
REST SW
15
SA-AK220GCP
19
18
17
16
15
14
TX
13
12
TO
11
MAIN
10 CIRCUIT
(CN310) ON
9
SCHEMA TIC
8
DIAGRAM-5
7
6
5
4
3
2
1
CN702
1