Panasonic MD0004056C2 Panduan Servis - Halaman 8
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Halaman Cetak
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 PLAYBACK 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
45
0.8V
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
7.5V
1
2
3
4
5
6
F
To
FL CIRCUIT(CP606) on SCHEMATIC DIAGRAM-13
3.3V
3.3V
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
3.2V
DMUTE
16
0V (3.1V)
STAT
17
0V
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
3.3V
TP22
C753
470P
3.3V
B
A
CN702
16
17
18
19
TP20