Block Diagram - Sharp CD-BA3100H Service Manual

NM2
M
NSW1 SLED
PICKUP MOTOR
IN
NM1
M
SPINDLE
MOTOR
27 26 16 15 7 6
8
14
IC2
M63001FP
21
FOCUSE/TRACKING/
SPIN/SLED DRIVER
29
35
36 37 38 39 42 41 25
1 7
CNP5
3 2 1
4
4
4 3 2 1
4
M
M
CAM
MOB1
MOB2
SWITCH
CAM
TRAY
MOTOR
MOTOR
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5 4
VCC3
28
+5V
VCC2
24
VCC4 40
VCC1
18
TM+ 23
22
TM–
2 1
SWITCHING
Q11
Q12
Q9
Q10
SWITCHING
CNP6
3 2
1
8 6 5 4 3
7
4 3 2 1
8 6 5 4 3
7
3 2
1
8 7 6 5 4 3
Figure 25 BLOCK DIAGRAM (1/3)
– 25 –
LASER
DRIVER
Q1
+3.3V
80 79 10 9 8 7 46 41
20 TD0
FD0
21
SPDO
22
SLDO
23
27 PU IN
6
RSVSS
19 ADAVSS
SBCK/FG IC1
28
LC78645E
37 VSS
CD SERVO
40
TEST
50
FSX/16MIN
51 XVSS
55 ASLRCK
56 ASDACK
57 ASDFIN
69
VSS
75 VVSS
71 70 25 26 45 44 43
SWITCHING
Q7
Q8
Q5
Q6
SWITCHING
Q3
Q4
SWITCHING
2 1
12 11 10
9 7
8
2 1
2 1
TRAY
TO DISPLAY SECTION
SWITCH
CD-BA3100H
PICK UP UNIT
+5V
CONSTANT
VOLTAGE
Q2 +3.3 V
+3.3V
77 47 38 18 5
XIN
49
X1
33.8688 MHz
XOUT 48
RES 66
WRQ
65
DO
64
DI 63
CLK 62
CE
61
42
CNP7
6 5 4 3 2
6 5 4 3 2 1
TO MAIN SECTION
1