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6-1.
BLOCK DIAGRAM – MAIN Section –
HR601
OVER
OPTICAL PICK-UP BLOCK
WRITE
(ABX-1R)
HEAD
VREF
IY
–
IY
+
IX
–
IX
+
JX
–
JX
JX JY JX
+
JY
–
JY
+
IX IY
IX
A
–
A
+
B
A B C D
–
B
+
C
C
–
+
D
–
D
+
MON
–
MON
+
GND
AUTOMATIC
LD-A
POWER
LD
CONTROL
Q501
S0
S0
S1
S1
2-AXIS
DEVICE
TRK+
TRK+
(TRACKING)
(FOCUS)
TRK–
TRK–
FCS+
FCS+
FCS–
FCS–
• SIGNAL PATH
: PLAYBACK
: REC
: USB CHECK OUT
: USB CHECK IN
SECTION 6
DIAGRAMS
OVER WRITE
HEAD DRIVE
Q601, 602
OVER WRITE
RF AMP, FOCUS/TRACKING ERROR AMP
IC501
UP/DOWN
7
VREF10
ADIP-IN 19
NPPO 44
EFMO
EFM
37
RFI
COMPALATOR
40
IY
RFO
56
9
IX
1
PEAK
JX
PEAK
48
54
RF AMP,
BOTM
JY
/BOTM
47
55
FOCUS/
A
50
TRACKING
ABCD
B
41
ERROR
51
FE
C
AMP
42
52
D
TE
49
43
A-C
16
TPP/WPP
D-C
ADFG
23
15
PD-I
PD-NI
12
APC
13
VREF09
10
CLK
26
PD-O
RESET
14
35
SERIAL
INTERFACE
SBUS
33
SCK
32
S-MON
S-MONITER
18
U
M702
W
V
(SLED)
U
M701
W
V
(SPINDLE)
OVER WRITE HEAD DRIVE
IC601 (1/2)
HB
35
EFM
PRE DRIVER
HA
33
OUTA
41
M703
H-BRIDGE
OUTB
PRE DRIVER
38
M M
HEAD
SYSTEM CONTROL (1/2)
1 2 3
5 6
204 203 202
206 205
10
RFI
15
PEAK
16
BOTM
17
ABCD
18
FE
23
TE
28
ADFG
133
29
APCREF
19
VC
54 FS256
130
XRF RST
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
156
SSB DATA
IC701
157
SSB CLK
22
SE
TRK+
FO2
30
TRACKING
TRK–
RO2
32
COIL DRIVE
114
PD S0
115
PD S1
FCS+
FO1
13
FOCUS
FCS–
RO1
COIL DRIVE
11
UO2
35
CPUI2
25
VO2
37
CPVI2
24
WO2
39
CPWI2
23
COM2
26
SLD MON U
CPUO2
45
CPVO2
SLD MON V
SLED VOLTAGE
46
CPWO2
MONITER
SLD MON W
47
UO1
8
CPUI1
18
VO1
6
CPVI1
19
WO1
4
CPWI1
20
COM1
17
SPINDLE
VOLTAGE MONITOR
52
53
54
37
37
EFM
7
CLK
4
VRECIN2
VRECO
37
VRECIN1
B+
42
C1H
28
CHARGE
C1L
PUMP 1
27
C2H
31
CHARGE
C2L
PUMP 2
30
34
71
AOUTL
4
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR,
AOUTR
5
16M BIT D-RAM
IC801 (1/2)
D381
XMUTE
98
AOUT SEL
107
BEEP
104
67 MNT3
RMC DTCK
174
RMC KEY
169
FI2
28
31
TFDR
RI2
27
30
TRDR
UDP
175
FI1
15
32
FFDR
UPUEN
178
RI1
16
33
FRDR
UDM
176
PWM2
44
35
SFDR
UOSCI
179
121
SLD MON
X802
UI2
43
48
SLDR
48MHz
UOSCO
180
SLED
VI2
MOTOR
42
43
SLDV
DRIVE
WI2
41
44
SLDW
OSCI
1
X801
22.5792MHz
OSCO
2
PWM1
55
37 SPFD
XCS NV
144
SI0
100
SO0
101
SCK0
102
137
SPDL MON
UI1
56
36
SPRD
SPINDLE
VI1
1
38
SPDV
MOTOR
DRIVE
WI1
2
39
SPDW
SLD MON U
SLCU
45
SLD MON V
SLCV
46
SLD MON W
SLCW
47
OE
BIAS
48
143
XRST MTR DRV
CLV MON U
SPCU
40
CLV MON V
SPCV
41
CLV MON W
SPCW
42
AM-NX1
CLK
A
(Page 38)
HEADPHONE AMP
IC381
3
L-IN
LOUT
10
GA-L
9
J303
i
1
R-IN
ROUT
12
GA-R
13
VC B+
RVDD
15 16
14
DTCK
KEY-R
RGND
RMC KEY
B
(Page 38)
CN952
(USB)
3
DATA+
2
DATA–
1 VBUS
VBUS
C
(Page 38)
1
XCS
EEPROM
2
SO
IC851
5
SI
6
SCK
SDO0, SCK0
D
(Page 38)
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