Diagrams; Block Diagram -Md Servo Section - Sony MZ-NH1 Service Manual
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Also See for MZ-NH1:
- Operating instructions manual (128 pages) ,
- Specification sheet (2 pages) ,
- Specifications (2 pages)
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6-1. BLOCK DIAGRAM – MD SERVO Section –
RF AMP, FOCUS/TRACKING ERROR AMP
VREF
7
11 RF_IY
10 RF_IX
13 RF_JX
12 RF_JY
IY
56
IX
1
JX
54
JY
55
A
50
B
51
C
52
D
49
15
14
F
20
18
17
IIN
OPTICAL
PICK-UP
BLOCK
(ABX-U)
S0
S1
PLSE_XDC
CONT
TRK+
TRK+
TRK–
TRK–
FCS+
FCS+
FCS–
FCS–
MVCC
MDVCC
REG2 B+
PVCC
VCC
REG3 B+
L1
L1 B+
L2
L2 B+
• SIGNAL PATH
: PLAYBACK
: REC
MZ-NH1
SECTION 6
DIAGRAMS
HR601
OVER
WRITE
HEAD
IC501
VREF10
ADIP_IN 39
NPPO 43
145 VIN
IY
RF BUFFER
RFI
RFO
8
101
IX
Q504
JX
ABCD
40
108
ABCD
JY
A
FE
41
109
FE
B
TE
114
TE
42
C
ADFG
23
153
ADFG
D
PD-NI
19
142
APCREF_DA
A_C
CLK
26
174 FS256_OUT
D_C
OFTRK
45
180
OFTRK
PD_BUF
VC
38
123
VREF_MON
PD_I
VREF09
9
110
VC
PDO_SOURCE
PEAK
48
106
PEAK
BOTM
47
107
BOTM
SBUS
33
251
SSB_DATA
SCK
32
252
SSB_CLK
S-MON
21
113
SE
XRESET
35
225
XRF_RST
209
PD_S0
210
PD_S1
254
LDPEN
272
XLSRCK
U
M702
W
V
(SLED)
U
M701
W
V
(SPINDLE)
OVER WRITE HEAD DRIVE
IC601 (1/2)
77
HB
CLK
60
OVER WRITE
69 HBB
HEAD DRIVE
EFM
62
78 HA
Q601, 602
70 HAB
EFM_CLK
63
LATCH
56
84
M703
OUTA
OVER WRITE
M M
HEAD
UP/DOWN
82
OUTB
245
TO IC801 (2/3)
(AUDIO SECTION)
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR
IC801 (1/3)
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
IC701
TRK+
30
FO2
FI2
TRK–
32
RO2
RI2
FCS+
FO1
FI1
13
FCS–
RI1
11
RO1
35
UO2
UI2
CPUI2
25
VI2
37
VO2
WI2
24
CPVI2
39
WO2
PWM2
23
CPWI2
ZI2
COM2
26
8
UO1
UI1
18
CPUI1
VI1
6
VO1
WI1
19
CPVI1
PWM1
4
WO1
28
CPWI1
ZI1
17
COM1
OE
47 46 45
52 53 54
21
21
175
182
158
28
155
TFDR
27
154
TRDR
15
156
FFDR
16
157
FRDR
216
SLD_MON
43
172
SRDR
42
167
SLDV
41
168
SLDW
44
159
SFDR
22
289
HI_Z_SLO
232
SPDL_MON
SLD MON U
SLCU
169
SLD MON V
56
160
SPRD
SLCV
170
SLD MON W
1
162
SPDV
SLCW
171
2
163
SPDW
CLV MON U
SPCU
164
55
161 SPFD
CLV MON V
SPCV
165
CLV MON W
SPCW
166
21
290
HI_Z_SPDL
48
238
XRST_MTR_DRV
MZ-NH1
CLK
A
(Page 23)
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