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3636
R502
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C631
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Q601
CN501
R630
R623
C506
C507
C633
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R631
R612 C621
C612
470k
1k 100p
47k
220k
0.01
0.022
1
2200p
0.01
100p
10k
47
4V
1
1
22
4V
22
4V
1M
10
6.3V
4.7
6.3V
0.1
2SA1577
-T106-QR
1
1k
0.5%
0.01
0.1
10
6.3V
220k
100k 1000p
1
1k
XC61FS1YXXMR
0.1
100k
2.2
SN761057A
1
10k
0.5%
2200p
10
6.3V
2.2k
0.01 MA2YD15
MA2YD15
MA2YD15
DF5A6.8LFU
0
2200p
2200p
0.01
0.1
0.1
10p
10p
10p
0.047
0.022
0.1
4700p
470
100p
220k
10k
220
10
RB160M
ZDT6718TA
10k
MA2YD15
0.1
0.1
1 0.1 0.1 0.1
0.1
0
MA2YD17
HAT2050T
10
4V
0.1
HAT2051T
47
6.3V
47
6.3V
RB715W
100p
0.1
100p
100V
0.1
1000p
(VREC)
(-)
100k(+)
0
0
0
10
6.3V
MA2YD17
SI2302DS
20P
470
22k
0.022
0.022
0.1
1
2.2k
47k
470k 0.01
10
6.3V
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
C1
B2
B3
B4
A0
B1
M
O
D
E
1
M
O
D
E
2
M
O
D
E
3
E
F
M
ADIP
TRK-
TRK+
FCS-
FCS+
A2
A3
A1
A4
A5
A6
A7
A8
A9
A10
UDM
UDP
AREF
CHGG
CHGC
CHGM
V
R
P
H
M
O
N
G
S
W
H
C
2
H
C
1
UVDD WDET
VB
BATM
CHGSW
RS
INP2
INM2
RF2
DCIN
CHGMON
SVREF
GND
GAIN
CHG
DREG
SW
RECON
OE
CLK
RI
FI
EFM
VIO
VC
VR
ECO1
L1 1
PG
ND1
PG
ND1
L1 2
C1
C1
C2
C2
E2
B2
E1
B1
S
(BATTERY CASE)
(CHASSIS)
DC IN 3V
(CHASSIS)
TE
REXT
VREF
C
D
D-C
Iy
Ix
Jx
Jy
A
A-C
B
TON-C
CIG
CDN
PD-O
DVDD
-LPF
WPP
PD-NI
PD-I
ADFG
DC-IN
VBUS REG
VB
D-
D+
GND
D1 D2
S1 S2
G1 G2
Q602
CHARGE
CONTROL
VOLTAGE
O
I
G
LINE FILTER
D1 D2
S1 S2
G1 G2
D1 D2
S1 S2
G1 G2
RECHARGEABLE BATTERYRECHARGEABLE BATTERY
NH-14WM 1.2V 1350mAh
-1 -2
USB
CRADLE
DETECT
1
6
DETECTOR
(1/4)
10µH10µH
10µH
10µH
10µH
HR601
OVER WRITE
HEAD
TRK-
TRK+
FCS-
FCS+
AGND
VREF
C
D
S0
LD-A
LD-K
A
B
MON
SI
AVCC
Iy
Ix
Jx
Jy
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
PDS1
PDS0
Q501
AUTOMATIC
POWER CONTROL
USB
CRADLE
CN601
CONNECTOR
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
1PC. 1.5V
IC601
XPC18A22AFCR2
OVER WRITE HEAD DRIVE,
POWER CONTROL
C1H
C1L
VC2
VREF
CVREF
GND
DW BT
DW TP
RF1
INM1
INP1
DTC
VREC
VRECO2
VRECIN1
OUTA
PGND
2
PGND
2
OUTB
VRECIN
2
VG
HB
PGND3
HA
VG
3
C2L
VG2
C2H
Q603
TS8K1TB
B+ SWITCH
Q604,605
OVER WRITE
HEAD DRIVE
ABCD
FE
TE
SMON
BOTM
PEAK
RFI
SDAT
SCLK
XRST
VMON
S-MON
FE
ABCD
OFC-1
OFC-2
AVCC
PS
LP
EQ
AGND
RFOUT
CCSL2
VC
PEAK
BOTM
DGND
OFTRK
SCK
SBUS
ADIP
-IN
075
VREF
XRST
RF AMP,
FOCUS/TRACKING ERROR AMP
Q607
UMH2N
WAKE UP
SWITCH
Q601
GROUND LINE
SWITCHING
(Page 38)
(Page 37)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
6-7. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • See page 40 for Waveforms. • See page 41 for IC Block Diagrams.
(Page 39)