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Q Q
3 7 6 3 1 5 1 5 0
5-5.
SCHEMATIC DIAGRAM – RF Board – •
16
2-AXIS
(FOCUS)
(TRACKING)
DEVICE
DETECTOR
VCC
LASER DIODE
VC
PD
I-V
AMP
LD
OP
FLEXIBLE
BOARD
1
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
.
•
See page 19 for Waveforms.
See page 27 for IC Block Diagrams.
Q101
2SB624T1-BV345
AUTOMATIC
POWER CONTROL
R127
22
C107
100
R103
4V
22
CN102
16P
F(-)
T(-)
T(+)
F(+)
E
F
VCC
VC
VR
PD
C117
LD
0.1
GND
A
C
B
D
C108
C109
100
0.1
4V
C220
TP1
0.1
M103
TP2
(CHUCKING)
TP3
M102
TP4
(SPINDLE)
TP6
M101
TP5
(SLED)
x
a o
y
i
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8
RF AMP,
FOCUS/TRACKING
ERROR AMP
DC_
LD
OFST
PD
RFDCI
EQ_
RFDCO
C112
IN
0.1
AC_SUM
VC
GND
RFC
A
VFC
B
BST
C
RFG
D
VCC
R121
22k
E
CEI
R109
R120
22k
100k
F
CE
SW
TE_BAL
DVCC
TE
DVC
FEI
RFAC
FE
C115
100
C114
C119
IC101
4V
0.1
0.1
CXA2581N-T4
Q
Q
3
7
6
3
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED/CHUCKING
MOTOR DRIVE
IC201
LA6576L-TE
FWD
S-GND
REV
MUTE2
VCC2
MUTE1
VL0-
VIN4
VL0+
VIN4-
VO4+
VIN4+
VO4-
VREF-IN
VO3+
VIN1-SW
VO3-
VREF-OUT
VO2+
REG-OUT
VO2-
REG-IN
VO1+
VIN3+
VO1-
VIN3-
VCC1
VIN3
VIN1
VIN2+
VIN1-A
VIN2-
VIN1+A
VIN2
VIN1-B
VIN1+B
u 1 6 3
.
21
21
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2
4
9
9
8
C110
C111
R119
100
0.1
1k
6.3V
R118
C116
22k
0.1
R128
1k
R117
3.3k
C113
0.1
R116
100k
Q102
DTC124EKA
-T146
RF AMP OFFSET
R113
15k
CONTROL SWITCH
R111
10k
R110
R112
18k
10k
R106
100k
SW101
(LIMIT)
ON:WHEN THE OPTICAL PICK-UP IS
INNER POSITION
SW102
(CHUCKING END DETECT)
ON:WHEN COMPLETION OF THE DISC
CHUCKING OPERATION
TP(RFAC)
TP(VC)
TP(TE)
1
5
1
5
0
8
9
2
4
C201
C202
R201
R202
C217
470
0.1
10k
10k
0.1
16V
C203
R203
R204
470p
10k
33k
AA3
AA4
C204
R205
R206
470p
10k
33k
R222
R223
1k
820
C205
R207
R208
470p
10k
33k
AA2
AA1
R209
C206
10k
R210
33k
470p
R211
R212
47k
68k
R220
12k
AA5
C208
R213
R214
0.022
47k
56k
C211
R218
R219
0.022
10k
33k
AA7
AA6
C209
R215
R216
0.022
10k
33k
m
c o
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
CDX-T68X
Ver 1.1 2001.05
2
9
9
CN101
22P
R/RW_SEL
SW101
LIM_SW
SW102
SAVE_SW
RFAC
RFDC
VC
TE
FE
9
8
2
9
9
DVCC(3V)
GND(5V)
5V
AA1
FRDR
AA2
FFDR
AA3
(Page 25)
TRDR
AA4
MAIN
TFDR
AA5
FLEXIBLE
MDP
BOARD
AA6
SRDR
AA7
SFDR
LOADR
LOADF
GND(8V)
8V
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
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