Block Diagram - Sharp CD-MP700 Service Manual

79
80
~
,
2 5 7
~
IC4
LC32V4265B
4M D-RAM
23 39 44
M3
T/T
UP/DOWN
BI4 CNS4 CNP4
LOADING
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
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)
4
DGND
L-CH
3
AGND 2
1
R-CH
6 8 10 12 ~ 14 20 22 32 52 62 69
LRSY
1
2
ADDATA
ADBCK
3
ADLRCK
4
C2FIN
5
IC3
CKIN(16M)
7
LC78683E
9 CKOUT
MP3 DECORDER
DATAIN
DATACK
~ ~
~ ~
, , 41 , 42 , 50 ,
23 30 33 40 53
~ ~ ~
, , , , , 35
10 15 16 18 21 24 28
~ ~ ~
1 6 22 29 30 31
+3.3V
3
IC6
SI3033LU
2
VOLTAGE
REGULATOR
1
+5V
~
50 52 54 60
71
CONT2
CONT3
70
RCHO
45
44 LC78646E
CD SERVO
43
42 LCHO
40
37
51
46
RVDD
LVDD
41
ZD1
61 62 63 64 65 66 67
Figure 13 BLOCK DIAGRAM (1/3)
75 76
FSYNC 66
CMDOUT
73
INTB 77
DVDD1
11
DVDD2
21
DVDD3
31
+3.3V
DVDD4
51
DVDD5
61
DVDD6
68
OEB 45
CASUB
~
44
CASLB
43
~
60
~ ~
, 40
38 43
~ ~
26 23 22 21 20
75
6
19
69
10
TIN2 F
9
TIN1 E
8
FIN2 B
IC1
7
FIN1 A
27
47
XVDD
VDD 38
+3.3V
ADAVDD 18
VVDD
77
RFVDD
5
+5V
VDD5 68
80
LDD
LDS 79
48 49
XL1
16.9344 MHz
– 13 –
CD-MP700/CD-MP77
Q3
Q4
Q5
30 FSYNC
IC5
IX0542AW
MP3 SUB
MICROCOMPUTER
VDD
29
+5V
VDD
17
AVDD
43
15 16 18 19 25
26 29 30
SP–
9
3
M+
SP+
8
M–
2
SL-
11
IC2 SL+
27
10
LA6574H
28
FOCUS/TRACKING/
5
13
SPIN/SLED DRIVER
4
15
6
17
7
24
1 12 22 20
+6.5V
Q6
+3.3V
LASER
Q1
DRIVER
+5V
11 10
1
9
23
24
37
44
X2
26
X1
27
XL2
4.19 MHz
SW4
PICKUP IN
+ – + –
M M
M2
M1
SLED
SPINDLE
MOTOR
MOTOR
TRACKING COIL
FOCUS COIL
PICKUP UNIT