– 21 –
CD-BA160H/1700H
Figure 21 BLOCK DIAGRAM (1/3)
CNP12
CNP11
Q2
+3.3V
+5V
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLDO
SPDO
FDO
TDO
+5V
TO DISPLAY SECTION
CLAMP SW
CDINT
WRQ
CE
DO
CLK
DI
CD RES
GND
DRF
CNS4
BI4
CNP4
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
M
M
TRACKING COIL
FOCUS COIL
PICKUP UNIT
TE
FE
RFEV
HFL
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V
CONSTANT
VOLTAGE
+5V
Q1
Q3
LASER
DRIVER
LDD
PD
VCC3
VCC2
VCC4
VCC1
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC401)
R-CH
L-CH
AGND
DGND
+B2(+5V)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
4
3
3
2
5
4
1
1
2
3
4
7
8
2
1
7
8
9
10
1
2
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
LOADING
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75 76
45 46 47 48
32 31 30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DEF
52
51
XOUT
XIN
73
5 18 36 44 49
50
7 14 15 16
23
24
25
26
33
3
13
19
40
64
74
17 18 19 20 21 22
30
23
11
9
1
4
5
6
7
15 16 26 27
2 17 25
41 42 38 39
35
29
22
21
14
8
40
18
24
23
28
SW4
PICKUP IN
+3.3V
CNS99
BI99
CNP5
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
1
2
3
1
2
3
1
2
3
37
DOUT
1
2
3
CD-BA1700H
ONLY
O/C
DISC_NO
M+
M-
CD-BA1700H
ONLY
VCC
~
~
TO
FD
SLDO
SPO
PUIN
LD_M-
LD_M+
LOADING M-
LOADING M+