Panasonic SA-AK18 Service Manual page 35

SCHEMATIC DIAGRAM-2
C754
470P
C723
10V220
C724
0.1
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
1.6V
P-P
3.2V
60 VDD
F=16.9344MHz
1.5V
59
X2
OUT
1.5V
X701
58
X1 IN
16.9344 MHz
57
VSS
F=16.9344MHz
56
SBCK
R714
0
55
SUBC
C722 C721
54
VCOF2
IC702
10P 10P
53
PCK
MN662790RSC
52
EFM
SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR/
51
AVSS2
DIGITAL FILTER/
3.2V
50 D/A CONVERTER
AVDD2
R712
49 VCOF
220
0.5V
48
PLLF
1.6V
47
DSLF
R709
R741
1.6V
46 DRF
68K
PLAY
47K
1V
45
IREF
1.6V
44
ARF
C716
43 WVEL
820P
0.5us 0.2V/DIV
1.5V
42 DSLF2
R742
41
220K
PLLF2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
0V
((3.2V))
: + B Line
R717
1K
R721
100
R718
1K
PLAY
2.2V
P-P
1KHz, 0dB
C731
6.3V220
C730 C732 C733
0.1 0.1
6.3V220
80
1
BCLK
LRCK 2
0.7V
SRDATA
3
P-P
3.2V
DVDD1
4
DVSS1
5
PLAY 1.6V
3.2V
TX
6
3.2V
MCLK
7
0V
0.5V
T = 13.3ms
MDATA
8
3.2V
MLD
PLAY 9
...3.2V
SENSE
10
0V
T = 13.3ms
/FLOCK 11
/TLOCK
12
0V
BLKCK
13
0V ((0.2V))
SQCK
14
PLAY
3.2V ((3.1V))
...3.2V
SUBQ
15
0V
DMUTE
F=75Hz 16
0V ((3.1V))
0.6V
STAT
P-P 17
3.1V
/RST
18
SMCK
19
CSEL
20
PLAY
2ms 0.1V/DIV
PLAY
2ms 0.1V/DIV
J
702
(Vref)
35
: CD Signal Line
18
C727 23
50V1
C725
22
1000P
C726
21
1000P
C728
50V1
C743
0.1
C753
470P
17
11
12
10
8
9
7
6
R753
10
4
3
PLAY
C745
...3.2V
1000P
0V
S701
T = 13.3ms.
REST SW
PLAY
3.2V
0.1V
P-P
0V
T = 13.3ms.
0.4V
P-P
16 15
SA-AK18
CN702
Lch OUT
19
A.GND
18
Rch OUT
17
+3.3V
16
D.GND
15
LD SW
14
TX
13
TO
+7.5V
PANEL CIRCUIT
12
P.GND
(CP606) ON
11
MCLK SCHEMATIC
10
DIAGRAM-10...GC
M DATA
9
SCHEMATIC
MLD
8
DIAGRAM-11...GN
(SPEED)
7
BLKCK
6
SQCK
5
SUBQ
4
STAT
3
/RST
2
REST SW
1
1