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SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD Section –
FIN2 (PD1)
PD1
8
DETECTOR
A
D
FIN1 (PD2)
PD2
7
B
C
F
TIN2 (F)
F
10
E
TIN1 (E)
E
9
OPTICAL PICK-UP
BLOCK
(KSM-900AAA)
LASER DIODE
AUTOMATIC
LDD
LO LD
POWER
80
APC
CONTROL
Q701
PD
LD
LO PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE,
POWER CONTROL
IC702
2-AXIS
DEVICE
TRK+
TRK +
19
TRACKING
TRK–
COIL DRIVE
20
TRK –
FCS+
FCS +
17
FOCUS
FCS –
FCS–
COIL DRIVE
18
SL+
22
SLED
M701
M
SL–
MOTOR DRIVE
(SLED)
23
SP+
25
M702
SPINDLE
M
SP–
(SPINDLE)
MOTOR DRIVE
24
+3.3V
CD +3.3V
REGULATOR
PVCC
Q705
REGB
REGULATOR
31
RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR, CLV SERVO,
DIGITAL FILTER, D/A CONVERTER
+
LPF
IC701
RF
MIX
EQ
AGC
4
PH
A/D
BH
SW
TBAL
LPF
TRACK
JUMP
AUDIO
ADJUST
S/H
79
13 15
20 21 23 22
TRK IN
9
FCS IN
10
SL IN
8
SP IN
7
MUTE34
4
MUTING
MUTE1
5
SWITCH
Q702
CD ON
DC IN
30
SWITCH
Q703, 704
RAM
INTERPOLATION
ERROR
MUTE
EFMIN
SLISE LEVEL
3
CORRECTION
CONTROL
ATTENUATION
AUDIO CD
DEEMPHASIS
CLV, CAV
CONTROL
RUPTURE
DETECT
SERVO
RAM
PROCESSOR
D/A
SW
COMMAND
INTERFACE
GENERAL PURPOSE
PORTS
25
72
66
65 61 62 63 64
S701
(LIMIT)
ON :
When the optical pick-up
is inner position
17
17
LCHO
8FS
1 BIT
42
DIGITAL
LPF
RCHO
DAC
45
R-CH
FILTER
AUDIO
DOUT
39
OUT
FRAME SYNC
FSEQ
DETECT,
31
39 FSEQ
PROTECT, INSERT,
EFM DECODE
PLL
VCEC
XOUT
48
CLOCK
X701
GENERATOR
XIN
16.9344MHz
49
DRF
DRF
67
57 DRF
53 CD DATA IN
54 CD DATA
55 CD CLK
56 CD CE
50 WRQ
58 XRST
59 CD ON
S551
(CD LID OPEN/CLOSE)
ICF-CD73/CD73V
CD LCH
A
(Page 20)
SYSTEM
CONTROLLER
IC401
(1/2)
61
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
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