Sharp MD-DR470HS Service Manual page 27

MPX.
SHIFT RESISTOR
+B
C243
IC241
157P6X
7MH165FK
6 1 S/L-
1
S
+B
G V 2 CK CK INH
5
0
4 3 E
Z
4 F
SZ157P6X
5 G
H
6 6
1
S
+B
G 5 7
V QH-
0
4 8 GND
Z
C244
157P6X
1 S/L-
6
1
S
2 CK CK INH
+B
G V 5
0
3 E
4
Z
4 F
5 G
6
H
7 QH-
8 GND
IC242
7MH165FK
SHIFT RESISTOR
+B
SYCPW
96 95 94 93 92 91 90 89 88 87 86
97 ADDATA
98 DHPIN
99 DADATA
100 LRCK
101
BCLK
102 DFCK
+B
103 VDD2
104 DGND
105 SBCK
106 SBO
4
3
107 SBSY
108 SFSY
109 VDD5
FOK CK204
110 FOK
SENSE CK205
111 SENSE
CK206
CIN
112 COUT
113 MCCK
DINT
114 DINTX
C203
+B 115 VDD1
0.1
116 DGND
XRT
117 RSTX
SYD0 R204
118 SYSD0
1K
SYD1
119 SYSD1
SYD2
120 SYSD2
SYD3
121 SYSD3
SYD4
122 SYSD4
SYD5
123 SYSD5
SYD6
124 SYSD6
SYD7
125 SYSD7
SYWR
126 SYWRX
SYRD
127 SYRDX
SYRS
128 SYRS
9
1 2 3 4 5 6
C207
0.1
C209
0.1
+B
• The numbers 1 to 5
7
+B
C241
0.1
+B
VCC 16
15
D 14
C 13
B 12
A
11
+B
SI 10
QH
9
+B
VCC 16
15
D 14
C242
C 13 0.1
B 12
A 11
SI 10
QH 9
C240
0.015
XL201
33.8688 MHz
C211
5P(CH)
85 84 83 82 81 80 79 78
IC201
LR37820
ENDEC/SERVO/ATRAC
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
R206
100K
+B
, 8 to 13 , 22 , 23 are waveform numbers shown in page 39, 40.
8
Figure 27 SCHEMATIC DIAGRAM (2/8)
D-FLIP FROP
IC203
+B
C208
74LVX74T
1
1 VCC 14
2
13
3 12
4
11
+B
5
10
ROUT
6 9
ROUTX
GND
7 8
LOUTX
LOUT
Q213
R214
RT1N441 U
100K
2
Q212
1
3LN01 S
L210
47 µH
C232
+B
1
C214
1
+B
+B
+B
77 76 75 74 73 72 71 70 69 68 67 66 65
AGND4
64
RAA11
63
RAD0
62
RAD1 61
11 10 13 12
RAWEX 60
RARASX 59
RAA9 58
RAD3 57
RAD2
56
RACASX 55
DGND 54
RAOEX 53
RAA8 52
RAA7 51
RAA6 50
RAA5 49
RAA4
48
VDD3 47
RAA10 46
RAA0 45
RAA1 44
RAA2 43
RAA3 42
VDD1 41
DGND 40
VDD5 39
X700KO 38
22 23
EFMO 37
EFMOX
36
TEMON
35
TOTMON
34
FEMON
33
24 25 26 27 28 29 30 31 32
1
+B
4.00 MHz
XL401
9 10
– 27 –
MD-DR470H/MD-DR480H
3
+B
+1.0V
Q211
XP04501
+B
1
6
2 5
R212
3 4
10K
+B
+B
TP212
D0
D1
WE
+B
RAS
VCC GND
1
D0
A9
2 I/O1 I/O4
D1
D3
3 I/O2 I/O3
WE R245
D2
WE CAS
4
RAS 330
CAS
RAS
5
R244
6
330
OE
A10
A8
A10
7
A0
A7
A0
8
A6 A1
9 A1
A2
A5
10 A2
A3
A4
11 A3
TP200
12 VCC GND
+B
A10
A0
A1
A2
C222
A3
1
+B
TP205
+B
+B
5
CK210
+B
11
VDD4 +B
+B
+2.5V
24
D3
23
D2
22
CAS
R243
21
330
OE 20
A9
A9 19
A8
A8
18
A7
A7
17
A6
A6 16
A5
A5 15
A4
A4 14
13
+B
+B +B
12
VC