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5-1.
BLOCK DIAGRAM – CD Section –
A
A
C
C
B
B
D
D
E
E
F
F
LD POWER
LD
LD
CONTROLLER
Q701
PD
MD
VR
VC
VC
OPTICAL PICK-UP
BLOCK
(KSS-213C)
TD+
TRACKING
TD–
COIL
FD+
FOCUS
FD–
COIL
–
+
SL+
M M
M702
SL–
(SLED)
–
+
SP+
M M
M701
SP–
(SPINDLE)
S701
(LIMIT)
S801
PUSH
OPEN/
CLOSE
• SIGNAL PATH
: CD
: USB
ZS-PS20CP
SECTION 5
DIAGRAMS
RF OUT
2
1
A IN
5
SYNCHRONIZATION
DETECTION
C IN
EFM DEMODULATION
6
B IN
7
D IN
8
E IN
13
F IN
14
SERVO
CONTROL
LDO
18
APC
LDS
19
VREF
VC
11
23 22 24 25
TRACKING
24
25
COIL
23
DRIVE
FOCUS
19
18
COIL
20
DRIVE
SLED
5
4
MOTOR
6
DRIVE
SPINDLE
10
11
MOTOR
9
DRIVE
MUTE
2
SLED/SPINDLE
VREF
MOTOR DRIVER,
27
VC
TRACKING/FOCUS
COIL DRIVER
IC703
2
SYSTEM CONTROLLER
45
I-CD LID
IC801 (1/2)
23
24
TU-VDD
+6V
VDD
+6V
REG
Q955,D953
POWER
PROTECT
+9V
SWITCH
(SW)
Q952,953
D951
POWER
PROTECT
SWITCH
Q951
LCHO
76
8FS
DIGITAL
FILTER
&
1-bit DAC
RCHO
78
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC701
MCU I/F
PCMDATA 64
PCMBCK 63
PCMLRSY 62
CLOCK
PCMREQ 65
GENERATOR
STDATA 56
STCK 55
STREQ 54
32
73
72
47 43 44 45 46
X701
16.9344MHz
D DO
D DI
D CL
D CE
D RESB
93 94 5 3 4
91
92 100
36
11
22
1
RIPPLE
RESET
+3.3V
FILTER
IC803
(CD)
Q905
2
B+ SWITCH
+3.3V REG
+3.3V
Q804,805
IC804
VBUS
5V
17
17
LCH
MAIN
A
SECTION
(Page 18)
RCH
USB I/F
IC702
26
P05/AN5/CK0/SDAT
CF1
6
X702
27
P06/AN6/T60
12MHz
28
P07/AN7/T70
CF2
7
32
P23/INT4/SI4/WR
31
P22/INT4/SO4/RD
33
P24/INT5/INT7/SCK4
46
P70/INT0/TOLCP/AN8
UHD+
38
UHD–
37
10
P11/SI
9
P10/SO
11
P12/SCK
15
P16/T1PWML/DE
2
RES
44
P31/URX1
45
P30/UTX1
47
P71/INT1/TOHCP/AN9
VBUS +5V
VBUS
CONTROL
5V
IC704
AC IN
MAIN
B
99 98
SECTION
(Page 18)
38
F902
D901—904
RECT
F901
IC901
5
BATT
L901
2
VOUT
VIN 1
D906
4
FB
ZS-PS20CP
(USB TRAY UNIT)
D+
D–
T901
POWER
TRANSFORMER
J901
AC IN
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS, 9V
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