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IC902
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L907
22k
1000p
0.1
0.1
0
0.12.2k
470k
22k
470k1M
10k
X4
0.1
0.1
10k 10k
2.2k
X4
MA2YD15
100k
470k
220k
470k
0.022
0.01
0.022
0.01
0.022
0.01
0.1
0.1
1M
220k
470
0.1
0.220.10.1
22
4V
22
4V
0
470k
0.5%
100p
1M
0.5%
100k
0.5%
XP151A13A0MR
MA2Z748
100p
10 6.3V
10 6.3V
1M
10
6.3V
10
6.3V
10
4V
100 MA2S111
1M
1M
2SB1462J
UN9214J
1M
MA2YD15
2SD2216J
0.1
2.2k
0.1 0.1
220k
220k
2SD2216J
0.1
2SA1745
2SD2216J
100k
0.047 0.047 0.047
(GND)
(VL)
1M
1M
1000p
(VC)
0.01
MA729
10k
0.5%
4700p
47k
0.5%
10k
0.5%
(VD)
10P
2.2
0.47
0.47
0.47
2.2k
XC6368D101MR
100
6.3V
10
6.3V
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
E1
V
L
O
N
FCS- FCS+
TR
K
-
TR
K
+
C1
C2
C3
C
1
C
2
C
3
C
4
C
5
C
6
D1
D2
D3
TF1
TR1
FR1
FF1
C4
C5
C6
D1
D2
D3
D5
D6
D7
D5
D6
D7
D4
D8
D4
D8
XRST
SCW
SCV
SCU
SP
SMU
SMV
SMW
XMD
CMW
CMV
CMU
CP
CCU
C
C
V
C
C
W
R
E
C
K
H
A
L
F
R
M
C
K
W
D
E
T
VCP VLP
V
D
P
CSEL
FF
SL
ZZ1ZZ2 ZZ3
PGND2
NC
VD
VC2
XRST
CRST
RSTREF
VREF
VB
GND
CLKSEL
VAIFON
FFCLR
SLEEP
CLK
VLO
N
XWK1
XWK2
XWK4
XWK3
VSTB
VRMC
GN
D
VL
VLO
VL
L2
PGND2
UI2
PWM2
CPUO2
CPVO2
CPWO2
OE
GND1
VC
VG
CPWO1
CPVO1
CPUO1
PWM1
UI1
VI1
WI1
PGNDW
1
W
O1
VMVW
1
VO1
PGNDUV1
UO1
VMU1
VMR1
RO1
PGND1
FO1
VMF1
SLEDN
SLEDU
SLEDV
SLEDW
HD DRV-
HD DRV+
CLVW
CLVV
CLVU
CLVN
S
S
S
DC/DC
CONVERTER
CE VDD FB
GND EXT
B+ SWITCH
Q908,909
Q910,911
SWITCHING
VIN
VOUT
NC
VSS
Q904,905
B+ SWITCH
-1 -2
V
U
N
W
(SPINDLE)
V
U
N
W
M601
1
10
(2/4)
100µH
10µH
10µH
100µH
100µH
22µH
10µH
IC551
SC111258FCR2
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
W
MF2
FO2
PGND2
RO2
VMR2
VMU2
UO2
PGND
UV2
VO2
VM
VW
2
W
O2
PGNDW
2
W
I2
VI2
FI1
RI1
COM1
CPUI1
CPVI1
CPWI1
GND2
NC
CPWI2
CPVI2
CPUI2
COM2
RI2
FI2
DC/DC
CONVERTER
D905,Q901
Q902
2SD2114KT146
B+ SWITCH
IC903
XC61CN0802NR
VOLTAGE
DETECTOR
(SLED)
M602
M603
OVER WRITE
HEAD UP/DOWN
IC901
XPC18A32AFCR2
POWER CONTROL
PGND1
NC
L1
VCOUT
VC
VCO
VC
GND
VIFFB
VDFB
VAFB
VA
VIF
PGND1
NC
L2
PGND2
LG
VG
INM2
RF2
DTC2
DTC1
INM1
RF1
L1
VGFB
VDRF
Q906
XP1501
SWITCHING
Q907
3LN01SS
B+ SWITCH
Q903
S12302DS-T1
B+ SWITCH
6-8. SCHEMATIC DIAGRAM – MAIN Board (2/4) – • See page 40 for Waveforms. • See page 41 for IC Block Diagrams.
(Page 36)
(Page 38)
(Page 39)