Panasonic SA-VK31EE Service Manual page 53

SCHEMATIC DIAGRAM - 2
CD SERVO CIRCUIT
R7255
5.6K
R7254
10K
C7223
C7216
6.3V220
680P
C7224
0.1
X7201
H0H338500001
R7214
6.8K
C7222 C7221
2P 2P
W7025
0
C7270
R7262 2.7K
0.22
R7212 270
R7209
47K
R7241
47K
C7260
0.1
R7242
220K
Q7603
B1GDCFGH0002
SWITCH
Q7602
B1GBCFGH0001
SWITCH
: CD-DA SIGNAL LINE
: +B SIGNAL LINE
R7221
100
C7231
6.3V220
24 26
C7230
0.1
W7002
25 27
61 63 65 66 67 68 69 71
62 64 70 72
60 VDD
X2 OUT
59
58 X1 IN
VSS
57
SBCK
56
55 SUBC
54 VCOF2
53 PCK
IC7002
52 EFM
MN662790RSC
51 AVSS2
SERVO PROCESSOR/
50 AVDD2 (+3.3V)
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
49 VCOF
D/A CONVERTER
48 PLLF
47 DSLF
46 DRF
45 IREF
ARF
44
43
WVEL
42 DSLF2
41 PLLF2
37 34 33 29 28 27 26 25 24 23 22 21
40 39 38 36 35 32 31 30
C7232 C7233
6.3V220 0.1
24
0
74 75 79
73 76 77 78 80
BCLK 1
LRCK
2
SRDATA
3
(+3.3V) DVDD1
4
12
DVSS1
5
TX 6
MCLK 7
MDATA
8
MLD 9
SENSE 10
8
/FLOCK 11
7
/TLOCK 12
BLKCK 13
SQCK
14
C7245
SUBQ 15
1000P
DMUTE 16
STAT 17
18
/RST
SMCK 19
CSEL 20
53
20
18
R7216
10
W7018
0
LDSW
19
+3.3V
18
BCLK
17
SRDATA
16
LRCK
15
DGND
14
TX
13
CLDCK
13 14
12
+7.5V
C7243
11
6 4 3
0.1
PGND
10
MCLK
9
MDATA
8
MLD
7
BLKCK
6
SQCK
5
SUBQ
R7253
4
10
STAT
3
/RST
2
RESTSW
1
CN7002
S7201
REST SW
1
16
15
SA-VK31EE
TO
MAIN
CIRCUIT
(CN2801) ON
SCHEMATIC
DIAGRAM - 8