Block Diagram - Sharp CD-XP700 Service Manual

LRSY
1
2
ADDATA
ADBCK
3
4 ADLRCK
5 C2FIN
CKIN(16M)
7
9 CKOUT
79 DATAIN
80
23
~ ~
,
2 5 7 10
~ ~
IC4
LC32V4265B
4M DRAM
M3
T/T
UP/DOWN
BI4
LOADING CNS4 CNP4
MOTOR
-
6 6 6
SW3 M
DISC
5 5 5
NUMBER
4 4 4
SW2
CLAMP
3 3 3
2 2
2
1 1 1
SW1
OPEN/
CLOSE
CNP7
MPEG POWER 12
11
SUB-CE
10
DISC NO.
OPEN/CLOSE 9
CLAMP SW 8
CD RES
7
CLK 6
DI 5
DO 4
CE 3
DRF
2
WRQ 1
CNP6
8
+6.5V (+B4)
7
DGND_DRIVER
6
+5V(ANL) (+B8)
5
+5V(DIG.) (+B7)
DGND 4
L-CH 3
AGND 2
1
R-CH
ZD1
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75 76
FSYNC
CMDOUT
IC3
INTB
LC78683E
DVDD1
MP3 DVDD2
DVDD3
DECODER
DVDD4
80 DATACK
DVDD5
DVDD6
OEB
~ ~
CASUB
~
CASLB
~ ~ ~
30 , 33 40 , 41 , 42 , 50 , 53 60
~ ~ ~ ~
, , , , , 35 , 40
15 16 18 21 24 28 38
~ ~ ~ ~
1 6 22 29 30 31
+3.3V
IC6
SI3033LU
VOLTAGE
REGULATOR
+5V
~
50 52 54 60 26
44
43
71
CONT3
70
25 CONT4
Q2
RCHO
45
IC1
44 RVSS
LC78645NE
CD SERVO
LVSS
43
42 LCHO
40
37
51
46
LVDD
RVDD
41
61 62 63 64 65 66 67 48
33.8688 MHz
Figure 19 BLOCK DIAGRAM (1/3)
– 19 –
66
77
73
11
21
31
Q3
+3.3V
Q4
51
Q5
61
68
66
45
44 77
43
73
66
+5V
77
43
73
35 29 22 21 14
39 M+
M–
38
42
M63001FP
41
FOCUS/TRACKING/
25
SPIN/SLED DRIVER
17
2
1
40
+6.5V
IC7
SI3033LUS
VOLTAGE
REGULATOR
23 22 21
20
+3.3V
75
6
19
10
TIN2 F
9
TIN1 E
FIN2 B 8
7
FIN1 A
27
XVDD 47
38
VDD
+3.3V
ADAVDD 18
VVDD
77
+5V
VDD5V 68
80
LDD
79
LDS
49
XL1
CD-XP700/CD-XP7700
11 10
FSYNC
CMDOUT
INTB
IC5
IX0505AW
X2
26
CD SIGNAL
X1
27
CONTROL
XL2
VDD
4.19 MHz
VDD
AVDD
15 16 18 19
SW4
PICKUP IN
8
PS–
27
PS+
26
SL-
16
IC2
SL+
15
7
6
5
4
+ – +
18 24 23 28
M M
M2
M1
SLED
SPINDLE
MOTOR
MOTOR
TRACKING COIL
FOCUS COIL
LASER
Q1
DRIVER
+5V
PICKUP UNIT
–