Md Servo Block Diagram - Sony DCM-M1 Service Manual

3-7. MD SERVO BLOCK DIAGRAM

MAIN BOARD (4/7)
OPTICAL PIC-UP BLOCK
(SEE PAGE 4-39, 43)
(2/2)
CN5001
2-AXIS DEVICE
FCS+ 1
•
2
FCS– 5
•
6
3
TRK+
•
4
7
TRK–
•
8
CLV BOARD (2/2)
(SEE PAGE 4-68)
SE5851
SHOCK
SENSOR
M5801
SLED MOTOR
CN5801
SLED+
5
M
SLED–
6
VO1, VO2 7
FG •
9
A (1A)
3
XA (1B)
1
B (2A)
4
XB (2B)
M
2
M5811
HEAD UP/DOWN
MOTOR
Approx.
1 Vp-p
: MD1
Approx.
1.32 Vp-p
Approx.23.6 ms: MD1
Approx.14.8 ms: MD2 : MD2
REC/PB
S5801 S5802
Approx.
1.38 Vp-p PROTECT REFLECT
: MD1
Approx.
Approx.23.6 ms: MD1 1.68 Vp-p (DISK TYPE JUDGMENT)
Approx.14.8 ms: MD2 : MD2
REC/PB
M5821
SPINDLE MOTOR
U
SPINDLE
V
MOTOR
DRIVE
Q5821-5826
W
COM
SPINDLE
Approx.
560 mVp-p MONITOR
: MD1
IC5801, 5803
Approx.
Approx.23.6 ms: MD1 780 mVp-p
Approx.14.8 ms: MD2 : MD2
REC/PB
SPINDLE VOLTAGE
CONTROL
Q5801-5803
05
FOCUS/TRACKING COIL DRIVE,
SLED MOTOR DRIVE
6
8
31
29
TRACKING
13
MONITOR
11
IC5006 (2/2)
SHOCK SENSOR AMP
IC5851
CN5803 CN5002
(2/2) (2/2)
1 SIA
SHOCK
OUT 4 38 38
2 SIB
SD+
21 21
SD–
23 23
MR_REF
20 20
SLED0_MON
16 16
SLED1_MON
SLED MONITOR
• •
IC5802, 5807 18 18
HEAD UP/DOWN MOTOR DRIVE
1A
27 27 7
1B
28 28 10
2A
29 29 5
2B
30 30 12
31 31
35 35
S5803 S5804 S5805
MD 1/2 INITIAL IN LIMIT
HEAD OPTICAL
UP/DOWN PICK-UP
POSITION
CLV_U_CON
1 1
SPINDLE PHASE
CLV_V_CON
MOTOR CONTROL
3 3
PRE-DRIVE IC5804-5806,
Q5808-5813 5808
CLV_W_CON
5 5
CLV_U_MON
2 2
CLV_V_MON
4 4
CLV_W_MON
6 6
3 Vp-p
Approx.12 ms: MD1
Approx.7.5 ms: MD2
REC/PB
CLV_VCONT
14 14
3-13
DIGITAL SERVO SIGNAL PROCESSOR
IC5301 (2/2)
IC5602
FFDR
16 88
FO1 FI1
FRDR
RO1 RI1 15 89
DIGITAL
SERVO
TFDR
SIGNAL
FO3 FI3 21 86
PROCESS
TRDR
RO3 RI3 22 85
SFDR
FO2 FI2 17 92
FROM CPU
SRDR
RO2 RI2 18 91
INTERFACE
XPS CLK
3 2
ERROR LEVEL
IC5015
KSHOCK TELEVEL
ENABLE INTRRUPT
IC5014 IC5013
DETECT LEVEL
85 KSHOCK EN
IC5009,5010
31 SHOCK
XKSHOCK 86
TELEVEL INT 38
61 PS_36
6 SE2_MON
DRIVE CONTROL
IC5404
REFERENCE VOLTAGE
GENERATOR 41 MR_ADJ
IC5401
36 SLED1_MON
•
37 SLED2_MON
SYS_SEL 67
IC5601
OUT 1A IN 1A 2 53 ST1A
SCLK
63
OUT 1B IN 1B 3 54 ST1B
OUT 2A IN 2A 16 55 ST2A
OUT 2B IN 2B 15 56 ST2B
SRDT 64
95 INLMIT
SWDT 65
96 PROTECT
97 REFLECT
XLAT SV 70
98 MD1_MD2
SENS
99
100 INITIAL
TEMPERATURE XINT 27
SENSOR
DQSY
33
IC5406
SQSY
OUT 4 4 TEMP MON 32
CLV_U_CON
CLV_VCON
45 40
CLV_V_CON
SPINDLE SPRD
46 94
CONTROL
CLV_W_CON
47
CLV_U_MON
42
CLV_V_MON
43
CLV_W_MON
44
88
IC5402
1
4
2
PEAK
62
BOTM
63
ABCD
64
FE
65
AUX1
66
SE
73
TE
74
XLRF
80
CKRF
AUTO
81
14
SEQUENCER DTRF
82
TO MD SIGNAL PROCESS
(SEE PAGE 3-11)
X5401
FS4
16.9344MHz
FE
L.P.F.
19 20 30
IC5011,
DETECT TE
IC5004 5012
XKSHOCK
NV_DI
NV_DO
CONTROL NV_CLK
NV_CS
68 7 12 39 57 59
RESET
13 17 18 26 28 48 49 66 71 81 82 83 87 93
1
2 6 SCLK_SYS
7
5 3
SCLK SELECT 5
6
IC5407
1
7 SO
READ DATA SELECT
IC5408
SI
4
TO A/V DATA CONTROL,
VIDEO OUT
(SEE PAGE 3-7)
TO MD SIGNAL PROCESS
17
(SEE PAGE 3-12)
DIGITAL SERVO SIGNAL PROCESSOR
IC5403 (2/2)
ADIP
DECODER
SPFDEX ADIPFM
94 & 90
SPINDLE
SERVO
SPRD
98
SPINDLE DRIVE
SPRD
SIGNAL SLECTOR
97
TO SERIAL COMMAND INTERVAL
RFEX
INTERFACE COUNTER
92
3-14
DCM-M1
TO MD SIGNAL PROCESS
13
(SEE PAGE 3-11)
1.58 Vp-p
16.934 MHz
REC/PB
DRV REQ
19 TO SYSTEM CONTROL
(SEE PAGE 3-15)
NV-RAM
IC5405
DI
72 3
73 4 DO
SK
74 2
75 1 CS PI 7
DRV RESET
11
9
TO MPEG ENCODE
(SEE PAGE 3-10)
15
TO MD SIGNAL PROCESS
(SEE PAGE 3-12)
ADFG
ASYO