Panasonic SA-AK58 Service Manual page 119

SCHEMATIC DIAGRAM-2
:POSITIVE VOLTAGE LINE
2.1V
P-P
F=16.9344MHz
3.2V
1.6V
1.6V
C722
10P
C721
10P
3.2V
C718 R712
0.22 220
(1.2V) 0V
1.6V
R741 47K 1.6V
1V
1.6V
R709 R742
68K 220K
1.5V
PLAY
2ms. 0.1V/DIV.
TP16
:CD SIGNAL LINE
C731
6.3V220
C730
0.1
3.2V
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
V
60 DD
X2 OUT
59
PLAY
0.8V
X1 IN
58
P-P
Vss
57
SBCK F=16.9344MHz
56 T 13.3ms.
SUBC
55
PLAY
3.2V
VCOF2
54
PCK
53
0V
T 13.3ms.
EFM
52
IC702
AVss2
51
MN662790RSC
AV 2
50 DD
SERVO PROCESSOR/
DIGITAL SIGNAL PROCESSOR/
VCOF
49
DIGITAL FILTER/
PLLF
48
D/A CONVERTER
DSLF
47
PLAY
DRF PLAY
46
IREF 0.8V
45
P-P
ARF
44
F=75Hz
WVEL
43
0.5 s. 0.2V/DIV.
DSLF2
42
PLLF2
41
40 39 38 37 36 35 34 33 32 31 30 29 28 27
0.3V
P-P
A B C D E F G H I A B C
A B C D E
TP1 TP2 TP4 TP6 TP7 TP8
7.4V
1 2 3 4 5 6
I
To FL CIRCUIT(CP601) on SCHEMATIC DIAGRAM-11
3.2V
3.2V
R717 C727
1K 50V1
PLAY
2.2V
P-P
1kHz, 0dB
R718 C728
1K 50V1
BCLK
1
LRCK
2
3.2V
SRDATA
3
3.2V
DV 1
DD 4
0V
DVss1
5
0V
TX
6
3.2V
MCLK
7
0V
MDATA
8
3.2V
MLD
9
SENSE
10
/FLOCK
11
/TLOCK
12
0V
BLKCK
13
3.2V
SQCK
14
0V
SUBQ
15
R753
3.2V
DMUTE
16
10
0V (3.1V)
STAT
0V 17
3.2V
/RST
18
SMCK
19
CSEL
20
26 25 24 23 22 21
PLAY
0.1V
P-P
2ms. 0.1V/DIV.
D E F G
F G H I
TP19
TP12 TP13 TP14 TP17
TP15
C743
0.1
7 8 9 10 11 12 13 14 15
TP18
TP23
A
TP21
B
I
H
G
PLAY
F
3.2V
0V
T 13.3ms.
E
D
C
B
A
3.2V
TP22
C753
470P
3.2V
B
A
CN702
16 17 18 19
TP20