Block Diagram - Servo Section - Sony MZ-R910 Service Manual
Portable minidisc recorder
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Also See for MZ-R910:
- Operating instructions manual (37 pages) ,
- Operating instructions manual (120 pages)
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MZ-R910
6-2.
BLOCK DIAGRAM – SERVO Section –
HR601
OVER
OPTICAL PICK-UP BLOCK
WRITE
(LCX-5RV)
HEAD
IY
–
+
IX
–
+
JX
–
JX JY JX
+
JY
–
+
IX IY
IX
A
–
+
B
A B C D
–
+
C
–
+
D
–
+
MON
–
+
AUTOMATIC
LD-A
POWER
LD
CONTROL
Q501
S0
S1
2-AXIS
DEVICE
TRK+
TRK+
(TRACKING)
(FOCUS)
TRK–
TRK–
FCS+
FCS+
FCS–
FCS–
OVER WRITE
HEAD DRIVE
Q604, 605
M603
RF AMP, FOCUS/TRACKING ERROR AMP
OVER WRITE
M M
HEAD
IC501
UP/DOWN
4
VREF
IY
RF OUT
8
33
163
RFI
IX
9
PEAK
JX
29
169
PEAK
10
PEAK
RF AMP,
BOTM
JY
/BOTM
28
170
BOTM
11
FOCUS/
A
12
TRACKING
ABCD
B
41
171
ABCD
ERROR
14
FE
C
AMP
5
42
172
FE
D
TE
6
1
181
TE
A-C
ADIP IN
44
13
TPP/WPP
D-C
ADFG
21
202
ADFG
7
PD-I
PD-NI
18
APC
19
206
APCREF
VC
31
174
VC
108
VREF MON
PD-O
XRST
20
25
75
XRF RST
SERIAL
INTERFACE
SBUS
23
27
SSB DATA
SCK
24
28
SSB CLK
S-MON
43
180
SE
S-MONITER
80
PD S0
81
PD S1
U
M602
W
V
(SLED)
SLD MON U
SLD MON V
SLD MON W
U
M601
W
V
(SPINDLE)
OVER WRITE HEAD DRIVE
IC601
(1/2)
HB
35
EFM
EFM
7
PRE DRIVER
HA
33
CLK
4
VRECIN2
OUTA
41
37
H-BRIDGE
OUTB
VRECIN1
PRE DRIVER
38
42
C1H
28
CHARGE
C1L
PUMP 1
27
SYSTEM CONTROL (1/2)
C2H
31
CHARGE
25
VREF
C2L
PUMP 2
30
1 2 3
5 6
142 141 140
145 143
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR,
16M BIT D-RAM
IC801
(1/3)
OFTRK
26
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
IC551
FI2
TRK+
FO2
30
TRACKING
TRK–
RO2
RI2
32
COIL DRIVE
FCS+
FO1
FI1
13
FOCUS
RI1
FCS–
RO1
COIL DRIVE
11
PWM2
UO2
UI2
35
CPUI2
25
SLED
VI2
VO2
37
MOTOR
CPVI2
DRIVE
24
WO2
WI2
39
CPWI2
23
COM2
26
CPUO2
PWM1
45
CPVO2
SLED VOLTAGE
46
MONITER
CPWO2
47
UI1
UO1
8
CPUI1
18
SPINDLE
VO1
VI1
6
MOTOR
CPVI1
DRIVE
19
WO1
WI1
4
CPWI1
20
COM1
17
SPINDLE
VOLTAGE MONITOR
OE
BIAS
52
53
54
46
46
VRECO
B+
• SIGNAL PATH
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)
230
DIN1
190
ADDT
195
AOUTL
AOUTL
155
AOUTR
AOUTR
156
234 MNT3
28
208
TFDR
27
207
TRDR
15
209
FFDR
16
210
FRDR
44
220
SFDR
84
SLD MON
43
219
SLDR
SLD MON U
SLCU
225
SLD MON V
SLCV
226
42
221
SLDV
SLD MON W
SLCW
227
41
222
SLDW
55
213 SPFD
76
SPDL MON
56
212
SPRD
CLV MON U
SPCU
216
1
214
SPDV
CLV MON V
SPCV
217
2
215
SPDW
CLV MON W
SPCW
218
48
74
XRST MTR DRV
CLK
D
(Page 48)
DIN1
A
(Page 47)
ADDT
B
(Page 47)
AOUTL,
AOUTR
(Page 47)
C
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