Sony MZ-R701 Manual de servicio - Página 31

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Sony MZ-R701 Manual de servicio
6-2. BLOCK DIAGRAM — SERVO SECTION —
MOTOR FLEXIBLE
MD
MECHANISM
(1/2)
BOARD
(1/2)
M603
OVER WRITE
HEAD
UP/DOWN
HR601
OVER
WRITE
HEAD
OPTICAL PICK-UP BLOCK
(LCX-4R)
Iy
Ix
Jx
JX JY JX
Jy
IX IY
IX
A
A
B C D
B
C
F
D
PD
LD-A
LD
S0
S1
2-AXIS
DEVICE
TRK+
(FOCUS)
(TRACKING)
TRK–
FCS+
FCS–
MOTOR FLEXIBLE
MI
(2/2)
BOARD
MECHANISM
(2/2)
M602
(SLED)
U
M601
W
V
(SPINDLE)
MAIN BOARD
(1/3)
SERVO SECTION
HD DRV+
10
HD DRV–
9
CN502 (1/2)
OVER WRITE
HEAD DRIVE
Q604,605
HD DRV+
RF AMP,FOCUS/TRACKING ERROR AMP
HD DRV–
IC501
CN501
VREF
6
4
9
10
IY
14
RF OUT
8
33
IX
9
PEAK
JX
29
PEAK
15
10
RF AMP,
BOTM
JY
/BOTM
28
11
FOCUS
A
16
12
ERROR,
ABCD
B
41
TRACKING
14
FE
C
ERROR
42
5
17
D
TE
6
1
A-C
7
ADIP IN
44
13
TPP/WPP
D-C
ADIP
21
7
8
PD-NI
PD-I
18
19
APC
18
VC
31
5
OFTRK
26
AUTOMATIC
PD-O
XRST
POWER
20
25
12
CONTROL
Q501
SERIAL
INTERFACE
SBUS
23
SCK
24
S MON
S-MONITOR
43
11
19
TRK+
2
TRK–
1
FCS+
19
FCS–
3
CN502 (2/2)
7
SLED1+
•
8
3
SLED1–
•
4
5
SLED2+
•
6
SLED2–
1
•
2
CLVU
13
CLVV
12
14
CLVN
•
15
CLVW
11
OVER WRITE HEAD DRIVE
IC601 (1/2)
HB
35
EFM
EFM
PRE DRIVER
HA
33
CLK
OUTA
VRECIN2
41
HI-BRIDGE
OUTB
VRECIN1
PRE DRIVER
38
C1H
CHARGE
C1L
PUMP1
SYSTEM CONTROL (1/2)
C2H
CHARGE
25
VREF
C2L
PUMP2
1 2 3
5 6
199 198 197
201 200
37
RFI
44
PEAK
45
BOTM
46
ABCD
SYSTEM CONTROLLER,
47
FE
DIGITAL SIGNAL PROCESSOR,
16M BIT D-RAM
56
TE
IC801 (1/3)
74
ADFG
78
APCREF
49
VC
12
VREF MON
FOCUS/TRACKING
217
OFTRK
COIL DRIVE,SPINDLE/SLED
MOTOR DRIVE
221
XRF RST
IC551
FO3
TRK+
33
TRACKING
TRK–
RO3
COIL DRIVE
35
160
SSB DATA
FO1
FCS+
SSB CLK
10
161
FOCUS
R01
FCS–
COIL DRIVE
8
9
S MON
SLED1+
FO2
14
CPAIP
42
194
PD S0
SLED1–
RO2
12
195
PD S1
CPAIM
41
SLED2+
FO4
29
CPBIP
40
SLED2–
R04
31
CPBIM
39
CPAO
38
SLED VOLTAGE
CPBO
37
MONITER
SLD 1 MON
SLD 2 MON
UO
CLVU
48
CPUI
53
CLVV
VO
46
CPVI
52
WO
CLVW
44
CPWI
51
CLVN
COM
54
SPINDLE
VOLTAGE MONITOR
55 56 1
31
31
7
4
VRECO
37
B+
42
28
27
31
30
105
DIN1
62
ADDT
68
FI3
24
81
TFDR
RI3
TRDR
25
80
FI1
19
82
FFDR
RI1
18
83
FRDR
233
SLD MON
FI2
17
96
SLDR
SLD1 MON
SLCU
100
FI2
16
98
SLD2 MON
SLED
SLDV
SLCV
101
PWM24
MOTOR
20
97
SFDR
FI4
DRIVE
26
99
SLDW
RI4
27
102
SLCW
SPINDLE
166
SPDL AUX PWM
SERVO
PWM
5
DRIVE
SPFD/SPVS/PWM3
SWITCH
88
IC805
223
SPDL MON
UI
4
87
SPRD/SPDU/RTG0
CLV MON U
SPCU
93
VI
SPINDLE
3
89
SPDV/RTG1
MOTOR
CLV MON V
DRIVE
WI
SPCV
94
2
90
SPDW/RTG2
CLV MON W
SPCW
95
OE
BIAS
6
220
XRST MTR DRV
MZ-R701/R701DPC
Signal path
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)
DIN1
1
AUDIO
SECTION
ADDT
(Page 32)
SYSTEM
CLK
CONTROL
2
/POWER
VREF
SECTION
(Page 33)