Diagrams; Block Diagram -Md Servo Section - Sony MZ-NH600D Service Manual

4-1. BLOCK DIAGRAM – MD SERVO Section –
RF AMP, FOCUS/TRACKING ERROR AMP
IC501
VREF 7
VREF10
11 RF_IY
10 RF_IX
12 RF_JX
13 RF_JY
IY
IY 56
IX 1 IX
JX 54 JX
JY 55 JY
A A
50
B
B 51
C 52 C
D
D 49
A_C
15
D_C
14
F 20 PD_BUF
18 PD_I
17 PDO_SOURCE
IIN
OPTICAL
PICK-UP
BLOCK
(ABX-U)
S0
S1
PLSE_XDC
CONT
TRK+
TRK+
TRK–
TRK–
FCS+
FCS+
FCS–
FCS–
(SLED)
MVCC MDVCC
REG2 B+
PVCC
VCC REG3 B+
L1 L1 B+
L2 B+
L2
GND
• SIGNAL PATH
(SPINDLE)
: PLAYBACK
: REC
: USB CHECK OUT
: USB CHECK IN
SECTION 4

DIAGRAMS

HR601
OVER WRITE
OVER
HEAD DRIVE
WRITE
Q601, 602
HEAD
OVER WRITE
UP/DOWN
ADIP_IN 39
NPPO 43
145 VIN
RF BUFFER
RFO
8 101 RFI
Q504
ABCD 40 108 ABCD
FE 41 109 FE
TE 114 TE
42
ADFG
23 153 ADFG 258
PD-NI
19 142 APCREF_DA
CLK 26 174 FS256_OUT
OFTRK 45 180 OFTRK
VC 38 123 VREF_MON
VREF09 9 110 VC
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 PF1/S0DO
210 PF2/S1DO
254 LDPEN
272 XLSRCK
U
M702
W V
U
M701
W V
OVER WRITE HEAD DRIVE
IC601 (1/2)
77
HB
CLK 60
69 HBB
EFM
62
78 HB
70 HBA
EFM_CLK
63
LATCH
56
84
M703 OUTA
M M
HEAD
82
OUTB
245 175
182 158
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR
IC801 (1/2)
176 MNT0
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
IC701
TRK+
FI2
32, 33 FO2 30 155 TFDR
TRK–
35, 36 RO2 RI2 29 154 TRDR
FCS+
FO1 FI1
16, 17 19 156 FFDR
FCS–
RI1
13, 14 RO1 20 157 FRDR
216 SLD_MON
39, 40 UO2
UI2
50 172 SRDR
27 CPUI2
VI2 49 167 SLDV
42, 43 VO2
WI2 48 168 SLDW
26 CPVI2
46 WO2
PWM2 51 159 SFDR
25 CPWI2
ST2 45 289 HI_Z_SLO
COM2
28
232 SPDL_MON
9, 10 UO1
UI1
63 160 SPRD
22 CPUI1
VI1
64 162 SPDV
6, 7 VO1
WI1 1 163 SPDW
23 CPVI1
PWM1 62
161 SPFD
3 WO1
24 CPWI1 ST1 4 290 HI_Z_SPDL
21 COM1
STALL
55 238 XRST_MTR_DRV
54 53 52 59 60 61
11 11
CLK
A
REFERENCE
VOLTAGE
SWITCHING
Q351
HEADPHONE
13
AMP
IC352
VREF_IN
AOUTL 147 22 INA OUTA 2
BEEP_OUTA 24
OUTB
AOUTR 148 21 INB 4
BEEP_OUTB 23
RVDD
17 18 15
212
XMUTE/MUTE
PF3/RTG3 211
BEEP 199
DTCK 313
RMC KEY
B
RMC_KEY 131 (Page 12)
CN451
(USB)
3
UDP 314 DATA+
UPUEN 318
2
UDM 315 DATA–
1
VBUS
UOSCI 319
X801
48MHz
UOSCO 320
VBUS
C (Page 12)
OSCI 310
X802
22.5792MHz
OSCO 311
EEPROM
IC892
XCS_NV 239 1 XCS
SI0 195 4 DO
SO0 196 3 DI
SCK0 197 2 SCK
SDO0, SCK0
D
(Page 12)
SLD MON U
SLCU 169
SLD MON V
SLCV 170
SLD MON W
SLCW 171
CLV MON U
SPCU 164
CLV MON V
SPCV 165
CLV MON W
SPCW 166
MZ-NH600D
(Page 12)
J352
i
RVDD
DTCK
KEY-R
RGND