Sharp CD-XP700 Service Manual page 31

+B
+B
C81
0.01
C84
0.01
7
0
5V +B
C22
10/25
C21
10/25
R24
2.2K
C23 C24
0.0015
0.0015
R25
R26
10K
10K
C85
0.01
C61
33P
(CH)
C62
100/10
+B
IC7
033LUS
LTAGE
ULATOR
5V +B
1
3
2
C39
C38
0.1
0.022
+B
+B
• The numbers 1 to 12
7
CNP5
RES
7
VPP
6
+5V
5
C50
XL2
FCLK
4
47/10
4.19MHz
FDO
3
+B
C51
FDI 2
R76
0.01
GND 1
1K
33 32 31 30 29 28 27 26 25 24 23
R71 R70
2.2K 1K 34
35
NC
36
VSS 21
37 CDEMPH
SYS-DI
NC
35 MP3-RES
38
SYS-DO
39 NC
IC5 VDD
40
NC
SYS-CL
IX0505AW
41 NC
SYS-CE
42
NC
+B INTB
43 AVDD MP3 DI
9 AVSS
44 MP3 DO
AVREF
C53
C83
0.01
0.01 1 2 3 4 5 6 7 8 9 10 11
MP3 CL
MP3 CE
Q4
Q5
KTC3875 GR
KTC3875 GR
R96 R98
R97
4.7K 4.7K
4.7K
R90
4.7K
R84
4.7K
TP
TP
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
LRSY
1
ADDATA
2
ADBCK
3
ADLRCK
4
5 C2FIN
ADRS0
60
TEST1
6 ADRS1 ADRS5
59
IC3
7 CKIN(16M)
ADRS2
58
VSS LC78683E
8
57 ADRS3
CKOUT
9
MP3
TEST2
10
C60
DECODER
DVDD1
11
0.01
PW
12
R80
44 CASUB
SBSY
13
82
43
CASLB
14 SFSY 18 VCOC
42 WEB
SBCK 19
15 VPDO
R81
41 RASB
20
16 AVDD1 AVSS
3.3K
VPRFR
17
R82
18
2.2K
19
R83
20
150
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
C65
47/10
2.7V
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
IC4
LC32V4265B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
IC4
LC32V4265B
4M DRAM
are waveform numbers shown in page 41.
8
Figure 31 SCHEMATIC DIAGRAM (10/10)
+B
+B
IC5
IX0505AW
R74
CD SIGNAL
1K
CONTROL
ICO
22
R73
R72 1K
21
2.2K
20
R69 1K C52
19
0.1
18
+B
17
R67 1K
16
R66 1K
15
R77 1K
14
R64 1K R65 2.2K
13
R78 1K
12
R62 R63 2.2K
1K
R61 2.2K
R60
1K
Q3
KTC3875 GR
L2
2.2µH
R86
4.7K
+B
+B 5V
C69 C68
TP TP
47/10 0.01
64 63 62 61
60
59
58
57
ADRS4 56
55
ADRS6 54
53
ADRS7
VSS 52
DVDD4 51
50 L3
ADRS8
2.2µH
49
48
47
46
45
OEB
44
43
42
41
C73
0.1
+B
3.3V
SI3033LU
VOLTAGE
REGULATOR
5
VO
1 ADJ
C76
C77
0.1
47/10
9 10
– 31 –
CD-XP700/CD-XP7700
R43
1K
+B
R99
10K
+B
+B
C79
0.01
C80
0.022
+B +B
+B
IC6
+B
+B
VIN 4
VC
3
2
C78
0.1
+B
+B
+B
11
CNP7
WRQ
1
DRF
2
CE
3
4 DO
DI
5
CL
6
7 CD RES
CLAMP SW
8
O/C,
9
10 DISC NO
11 SUB-CE
12
MPEG POW
CNS701
FROM
DISPLAY PWB
P29 12-C
SW1
CNP4
OPEN/CLOSE
1 1
1
2 2
2
SW2
3 3 CLAMP
3
4 4
4 SW3
DISC NO.
5 5 5
M M3 T/T
6 6 UP DOWN
6
LOADING
CNS4
CD LOADING
MOTOR PWB-E
CNP6
R–CH
1
2 AGND
3 L–CH
4 DGND
5 +5V(DIG.)
+5V(ANL)
6
DGND_DRIVER
7
+6.5V
8
12