Block Diagrams (Main Section (1/3) - Sony MZ-B100 Service Manual

MZ-B100
6-2. BLOCK DIAGRAM – MAIN Section (1/3) –
OVER
WRITE
OPTICAL PICK-UP BLOCK
HEAD
(LCX-4R)
VREF
IY
–
+
IX
–
+
JX
–
JX JY JX
+
JY
–
+
IX IY IX
A
–
+
B
A B C D
–
+
C
–
+
D
–
+
MON
–
+
ID DRIVER
LD-A
LD
Q501
S0
S1
2-AXIS
DEVICE
TRK+
(TRACKING)
TRK–
FCS+
(FOCUS)
FCS–
V_REC B+
OVER WRITE
HEAD DRIVE
Q604, 605
RF AMP, FOCUS/TRACKING ERROR AMP
IC501
4 VREF
IY
RF OUT
8
33
IX
9
PEAK
JY
29
PEAK
10
RF AMP, BOTM
JX
/BOTM
28
11
FOCUS
A
12 ERROR, ABCD
B
41
TRACKING
14
FE
C ERROR
42
5
D
TE
6
1
A-C
ADIP-IN 44
13
TPP/WPP
D-C
ADFG 21
7
PD-NI PD-I
18 APC 19
31
VC
26
OFTRK
PD-O
XRST
20
25
SERIAL
INTERFACE
SBUS
23
SCK
24
S-MON
S-MONITER 43
TRK+
U
TRK–
V
U
FCS+
M602
W V W
(SLED)
FCS–
N
U
U
M601
W V
(SPINDLE)
V
W
N
OVER WRITE HEAD DRIVE
IC601 (1/2)
NB
35
EFM
PRE DRIVER
NA
33
OUTA
41
M603 H-BRIDGE
OUTB
OVER WRITE 38 PRE DRIVER
M M
HEAD
UP/DOWN
SYSTEM CONTROL (1/2)
25 VREF
1 2 3 5 6
199 198 197 201 200
37 RFI
44 PEAK
45 BOTM
46 ABCD
47 FE
56 TE
74 ADFG
78 APCREF
49 VC
12 VREF_MON
217 OFTRK
221 XRF_RST
160 SSB DATA
MOTOR DRIVER
161 SSB CLK
9 S MON
TRK+ FO2
30 TRACKING
TRK– RO2
COIL DRIVE
32
194 PD S0
195 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
SLD MON V CPVO2 SLED VOLTAGE
46
MONITER
SLD MON W CPWO2
47
UO1
8
CPUI1
18
VO1
6
CPVI1
19
WO1
4
CPWI1
20
COM1
17
SPINDLE
VOLTAGE MONITOR
52 53
30 30
EFM
7
CLK
4
VRECIN2
VRECO
37
VRECIN1 B+
42
C1H
28
CHARGE
C1L
PUMP 1
27
C2H
31
CHARGE
C2L
PUMP 2
30
105
SYSTEM CONTROL,
DIGITAL SIGNAL PROCESSOR,
16M D-RAM
IC801 (1/3)
IC701
FI2
28 81 TFDR
RI2
27 80 TRDR
FI1
15 82 FFDR
RI1
16 83 FRDR
PWM2
44 97 SFDR
233 SLD MON
UI2
43 96 SLDR
SLED
VI2
MOTOR 42 98 SLDV
DRIVE
WI2
41 99 SLDW
SPINDLE
166 SPDL AUX PWM
SERVO
PWM1
55 DRIVE
SWITCH
88 SPFD/SPVS/PWM3
IC802
223 SPDL MON
UI1
56 87 SPRD/SPDU/RTG3
SPINDLE
VI1
1 89 SPDV/RTG1
MOTOR
DRIVE
WI1
2 90 SPDW/RTG2
OE
48 220 XRST_MTR_DRV
BIAS
54
CLK
D
(Page 32)
• SIGNAL PATH
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)
DIN1
DIN1 62 A (Page 31)
ADDT
ADDT 68 B
(Page 31)
AOUTL,
AOUTL AOUTR
C
AOUTL 29 (Page 31)
AOUTR
AOUTR 30
SLD_MON_U
SLCU 100
SLD_MON_V
SLCV 101
SLD_MON_W
SLCW 102
CLV_MON_U
SPCU 93
CLV_MON_V
SPCV 94
CLV_MON_W
SPCW 95