Sharp CD-DD4500 Service Manual page 32

CD-DD4500
A
FROM
CD SERVO
PWB
BI7 P25 12-E
CNS7
CNP501
DGND
1 1
1
DIGITAL 2
2 2
OUT
B
OUT
1
GND
2
+B
3
C
D
E
F
DOLBY PWB-H
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
1
+B
+B
D500
1SS133
L513
100mA
C7014
0.001
L500
10µH
+B
C7013
0.022
D508
1SS133
81 VSS
Q503
82 RSTO
KRC104 M
83
PO1
3
84
STATUS
2
85 PO3
1
86 PO4
87 PO5
+B
88 PO6
C504 C508
C514
89 PO7
10/16 0.1
0.1
90 VDDDL
91 LPFO
92 DLON
C515
93 DLCKS
0.1
94 SCKO
95 VSSDL
R501
96 SCKI
1K
X501
97 VSSX
C506
2.2MHz
10P
98
XO
(CH)
R500
99
C505
2.2M
15P
100
(CH)
1
R502
1K
+B
R516
C599
0.0047
R519
2.2K
2
Figure 32 SCHEMATIC DIAGRAM (9/14)
14 13 12 11 10 9 8
1 2 3 4 5 6 7
R521
1K
+B
80 79 78 77 76 75 74 73 72 71 70 69 68 67
IC504
IX0443AW
DOLBY DECODER
99 XI
VDDX
100
2 3 4 5 6 7 8 9 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
10 11
3
1
18K
2
Q505
KRC104 M
3 4
– 32 –
+B
+B
FM SIGNAL
+B
66 65 64 63 62 61 60 59 58 57 56 55 54 53
BCKOB
30
5
+B
L501
0.82µH
+B
+B
C525
0.1
+B
C517
0.1
52 51
C526 10/1
WR
50
1
VSS
49
3
LOCK
48
L511
CKO 2
47 1
100mA BI5
VSSA
46
R508
CKI
45 C523 0.01
1K
C524
AMPO
44
0.47
AMPI
43
+B
PLON
42 R5
4.
R510
VDDA
41
R5
1K(F)
10
PDO
40
R512
TSTSUB2
39
15K
TSTSUB1
38
FCONT
37
TSTSUB0
36
VSS
35
RX
34
TEST3
33
TEST2
32
TXO
31
C519
0.1
C520
10/16
6