Block Diagram - Sharp CD-XP700 Service Manual

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