Block Diagram - Servo Section - Sony MZ-R500PC Service Manual

MZ-R500/R500PC
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
S0
S1
2-AXIS
DEVICE
(FOCUS) (TRACKING)
MOTOR FLEXIBLE
MD
(2/2)
BOARD
MECHANISM
(2/2)
M602
(SLED)
U
M601
W V
(SPINDLE)
MAIN BOARD (1/3)
SERVO SECTION
HD DRV+
1
HD DRV—
2
CN701(1/2)
OVER WRITE
HEAD DRIVE
Q601,602
RF AMP,FOCUS/TRACKING ERROR AMP
IC501
CN501
VREF
6 4
9
10
IY
14 RF OUT
8
IX
9
PEAK
JX
15 10 PEAK
RF AMP, BOTM
JY
/BOTM
11
FOCUS
A
12 ERROR, ABCD
16
B
TRACKING
14
FE
C
ERROR
5
17
D
TE
6
A-C
7 ADIP IN
13
TPP/WPP
D-C
ADIP
7
8
PD-NI
PD-I
18 APC
18
VC
5
OFTRK
AUTOMATIC
LD-A PD-O XRST
POWER
12 20
CONTROL
Q501
SERIAL
INTERFACE
SBUS
SCK
S MON
S-MONITOR
11
19
TRK+ TRK+
2
TRK— TRK—
1
FCS+ FCS+
4
FCS— FCS—
3
CN701(2/2)
14
SLED1+
¥
15
10
SLED1-
¥
11
SLED2+
12
¥
13
SLED2-
8
¥
9
CLVU
5
CLVV
6
3 CLVN
¥
4
CLVW
7
OVER WRITE HEAD DRIVE
IC601(1/2)
HB
35
EFM
PRE DRIVER
HA
33
HD DRV+ OUTA
HI-BRIDGE
41
OUTB
HD DRV—
PRE DRIVER
38
SYSTEM CONTROL (1/2)
25 VREF
1 2 3 5 6
199 198 197 201 200
33 37 RFI
29 44 PEAK
28 45 BOTM
41 46 ABCD
SYSTEM CONTROLLER,
42 47 FE
DIGITAL SIGNAL PROCESSOR,
1 56 TE
44
21 74 ADFG
19 78 APCREF
31 49 VC
12
VREF MON
26 217 OFTRK
221
25 XRF RST
FO3
TRK+
33
RO3
TRK—
35
23 160 SSB DATA
FO1
FCS+
24 161 SSB CLK 10
R01
FCS—
8
43 9 S MON
SLED1+
FO2
14
CPAIP
42
PD S0 RO2
194 SLED1—
12
195 PD S1
CPAIM
41
SLED2+ FO4
29
CPBIP
40
SLED2— R04
31
CPBIM
39
CPAO
38
SLED VOLTAGE
CPBO
37
SLD 1 MON
SLD 2 MON
UO
CLVU
48
CPUI
53
VO
CLVV
46
CPVI
52
CLVW WO
44
CPWI
51
CLVN COM
54
VOLTAGE MONITOR
36 36
EFM
7
CLK
4
VRECIN2
VRECO
37
B+
VRECIN1
42
C1H
CHARGE 28
C1L
PUMP1
27
C2H
31
CHARGE
C2L
PUMP2
30
105
DIN1
ADDT
16M BIT D-RAM
IC801(1/3)
FOCUS/TRACKING
COIL DRIVE,SPINDLE/SLED
MOTOR DRIVE
IC701
FI3
24 81 TFDR
TRACKING
RI3
COIL DRIVE
25 80 TRDR
FI1
FOCUS 19 82 FFDR
RI1
COIL DRIVE
18 83 FRDR
233 SLD 1 MON
FI2
17 96 SLDR
SLCU
FI2
SLED 16 98 SLDV
SLCV
PWM24
MOTOR
20 97 SFDR
FI4
DRIVE
26 99 SLDW
RI4
27 102
SLCW
SPINDLE
166 SPDL AUX PWM
SERVO
PWM
5
DRIVE
MONITER SWITCH 88 SPFD/SPVS/PWM3
IC805
223 SPDL MON
UI
4 87
SPRD/SPDU/RTG0
SPCU
VI
SPINDLE 3 89 SPDV/RTG1
MOTOR
DRIVE WI
SPCV
2 90 SPDW/RTG2
SPCW
SPINDLE
OE
BIAS 6 220
XRST MTR DRV
55 56 1
Signal path
: PLAYBACK
: REC(ANALOG IN)
: REC(DIGITAL IN)
62 DIN1
1 AUDIO
SECTION
68
ADDT
(Page 37)
SYSTEM
CLK
CONTROL
2
/POWER
VREF
SECTION
(Page 38)
SLD1 MON
100
SLD2 MON
101
CLV MON U
93
CLV MON V
94
CLV MON W
95