Panasonic SA-VK31GC Service Manual page 54

SA-VK31GC / SA-VK31GS
SCHEMATIC DIAGRAM - 2
CD SERVO CIRCUIT
R7255
C7216
680P
X7201
H0H338500001
R7214
6.8K
C7222 C7221
2P
C7270
0.22
R7209
47K
C7260
0.1
Q7603
B1GDCFGH0002
Q7602,
B1GBCFGH0001
SWITCH
: CD-DA SIGNAL LINE
: +B SIGNAL LINE
5.6K
R7254
10K
24
25
C7223
61 63 65
62 64
6.3V220
C7224
0.1
60 VDD
X2 OUT
59
X1 IN
58
57 VSS
56 SBCK
55
SUBC
54 VCOF2
2P
53 PCK
52 EFM
W7025
51 AVSS2
0
50 AVDD2 (+3.3V)
R7262 2.7K
49 VCOF
R7212 270
48 PLLF
47 DSLF
46
DRF
R7241
45
IREF
47K
44 ARF
43
WVEL
42 DSLF2
R7242
41 PLLF2
220K
SWITCH
40 39 38 37 36
R7221
100
C7231
6.3V220
6.3V220
26
C7230
24
0.1
W7002
27 0
66 67 68 69 71 72 74 75 76 79
70 73 77 78 80
(+3.3V) DVDD1
IC7002
MN662790RSC
SERVO PROCESSOR/
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
54
20
18
R7216
10
W7018
0
C7232 C7233
0.1
BCLK 1
LRCK
2
SRDATA
3
4
12 13 14
DVSS1
5
6 4 3
6
TX
MCLK 7
MDATA 8
MLD 9
SENSE 10
8
/FLOCK 11
7
/TLOCK 12
BLKCK 13
SQCK
14
C7245
15
SUBQ
1000P
16
DMUTE
STAT 17
18
/RST
SMCK 19
CSEL 20
S7201
REST SW
16
15
LDSW
19
+3.3V
18
BCLK
17
SRDATA
16
LRCK
15
DGND
14
TX
13
CLDCK
TO
12
+7.5V
C7243
MAIN
11
0.1
PGND
CIRCUIT
10
(CN2801) ON
MCLK
9
SCHEMATIC
MDATA
8
DIAGRAM - 8
MLD
7
BLKCK
6
SQCK
5
SUBQ
R7253
4
10
STAT
3
/RST
2
RESTSW
1
CN7002
1