Sony MDDISCAM DCM-M1, Руководство по обслуживанию

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DCM-M1
1
•
2
5
•
6
3
•
4
7
•
8
6 16 FO1
FFDR
PEAK
TO MD SIGNAL PROCESS
(SEE PAGE 3-11)
TO MD SIGNAL PROCESS
(SEE PAGE 3-11)
TO MD SIGNAL PROCESS
(SEE PAGE 3-12)
TO A/V DATA CONTROL,
VIDEO OUT
(SEE PAGE 3-7)
TO MD SIGNAL PROCESS
(SEE PAGE 3-12)
TO SYSTEM CONTROL
(SEE PAGE 3-15)
TO MPEG ENCODE
(SEE PAGE 3-10)
BOTM
ABCD
FE
AUX1
SE
TE
XLRF
FROM CPU
INTERFACE
CKRF
DTRF
FS4
FE
X5401
16.9344MHz
NV-RAM
IC5405
TE
XKSHOCK
FRDR
TFDR
TRDR
SFDR
SRDR
FOCUS/TRACKING COIL DRIVE,
SLED MOTOR DRIVE
IC5602
DIGITAL SERVO SIGNAL PROCESSOR
IC5301 (2/2)
2-AXIS DEVICE
FCS+
CN5001
FCS–
TRK+
TRK–
(FOCUS)
(TRACKING)
FI1
8 15
RO1 RI1
31 21 FO3 FI3
29 22
RO3 RI3
13 17 FO2 FI2
11 18
88
65
66
73
74
80
81
82
64
63
62
89
86
85
92
91
3 2
RO2
XPS CLK
RI2
TRACKING
MONITOR
IC5006 (2/2)
DIGITAL
SERVO
SIGNAL
PROCESS
PWM GENERATOR
A/D CONVERTER
ANALOG MUX
AUTO
SEQUENCER
L.P.F.
IC5011,
5012
ERROR LEVEL
DETECT
IC5004
DETECT LEVEL
CONTROL
IC5009,5010
PWM (P67)
A/D
DPP
WRITE PWM
I gain0
J gain0
AD7 DPP
WRITE PWM
I GAIN
J GAIN
TELEVEL
INTRRUPT
IC5013
KSHOCK
ENABLE
IC5014
68
38
7 12 39 57 59
XOUT
19
XIN
20
86
85
61
6
41
53
54
55
56
95
96
97
98
45
4 32
33
27
99
70
65
64
63
67
18 26 28 48 49 66 71 81 82 83 87 93
9
72
73
74
75
17 13
46
40
94
94
98
97
47
42
43
44
88
31 38
21
23
20
27
28
29
1
3
5
2
4
6
14
30
16
•
18
36
•
37
31
35
38
5
6
3
1
4
2
21
23
20
27
4
1
6 2
7
5
1
6
7
5 3
1
2
28
29
1
3
5
2
4
6
14
30
16
•
18
7
•
9
31
35
SHOCK
SENSOR
SE5851
SHOCK SENSOR AMP
IC5851
HEAD UP/DOWN MOTOR DRIVE
IC5601
SYS_SEL
MHEN PIG XSTBY
SI SCLK SV
XSCSY IOBUSY
SWDT
SCLK_SYS
SRDT SCLK
RFGAIN_UP RFGAIN_DOWN MD1X2 XLAT_DDX SRAM_CS
SO
SI
EDEN EDIEN XEMG A_B
NV_DI
NV_DO
NV_CLK
NV_CS
RESET
30
SYS_CS
DI
DO
SK
DRV RESET
DRV REQ
DRV RESET
CS PI
SCLK
SRDT
SWDT
XLAT SV
SENS
XINT
DQSY
CLV_W_MON
CLV_V_MON
CLV_U_MON
CLV_W_CON
CLV_V_CON
CLV_U_CON
TEMP MON
INITIAL
MD1_MD2
REFLECT
PROTECT
INLMIT
ST2B
ST2A
ST1B
ST1A
SLED2_MON
SLED1_MON
MR_ADJ
SE2_MON
PS_36
SHOCK
KSHOCK EN
XKSHOCK
TELEVEL INT
SQSY
CLV_VCON
SPRD
CLV_BRAKE_EN
S5801
PROTECT
XB (2B)
B (2A)
U
V
W
05
COM
XA (1B)
A (1A)
VO1, VO2
SLED–
SLED+
CN5801
M5801
SLED MOTOR
M5811
HEAD UP/DOWN
MOTOR
M5821
SPINDLE MOTOR
PROTECT
REFLECT
MD 1_2
INITIAL INLMIT
SIA
SIB
OUT
1
4
2
M
M
FG
SLED MONITOR
IC5802, 5807
REFERENCE VOLTAGE
GENERATOR
IC5401
SPINDLE VOLTAGE
CONTROL
Q5801-5803
OUT 1A IN 1A
OUT 1B IN 1B
OUT 2A IN 2A
OUT 2B IN 2B
2
3
16
15
7
10
5
12
S5802
REFLECT
(DISK TYPE JUDGMENT)
S5803
MD 1/2
S5804
INITIAL
S5805
IN LIMIT
HEAD
UP/DOWN
OPTICAL
PICK-UP
POSITION
100
OUT
TEMPERATURE
SENSOR
IC5406
DIGITAL SERVO SIGNAL PROCESSOR
IC5403 (2/2)
READ DATA SELECT
IC5408
SCLK SELECT
IC5407
IC5015
SHOCK
CN5803
(2/2)
CN5002
(2/2)
SLED0_MON
SLED1_MON
SD+
SD–
MR_REF
1A
1B
2A
2B
CLV_U_CON
CLV_V_CON
CLV_W_CON
CLV_VCONT
CLV_U_MON
CLV_V_MON
CLV_W_MON
4
SPINDLE
MOTOR
DRIVE
Q5821-5826
PHASE
CONTROL
IC5804-5806,
5808
SPINDLE
MOTOR
PRE-DRIVE
Q5808-5813
SPINDLE
MONITOR
IC5801, 5803
SPINDLE
CONTROL
SPINDLE DRIVE
SIGNAL SLECTOR
IC5402
90
92
INTERVAL
COUNTER TO SERIAL COMMAND
INTERFACE
ADIP
DECODER
&
SPINDLE
SERVO
ADFG ADIPFM SPFDEX
SPRD
SPRD
ASYO RFEX
3
4
2
1 7
CLV BOARD (2/2)
(SEE PAGE 4-68)
DRIVE CONTROL
IC5404
MAIN BOARD (4/7)
(SEE PAGE 4-39, 43)
OPTICAL PIC-UP BLOCK
(2/2)
13
14
11
19
15
4
17
Approx.23.6 ms: MD1
Approx.14.8 ms: MD2
REC/PB
Approx.
1 Vp-p
: MD1
Approx.
1.32 Vp-p
: MD2
Approx.
1.38 Vp-p
: MD1
Approx.
1.68 Vp-p
: MD2
Approx.23.6 ms: MD1
Approx.14.8 ms: MD2
REC/PB
Approx.
560 mVp-p
: MD1
Approx.
780 mVp-p
: MD2
Approx.23.6 ms: MD1
Approx.14.8 ms: MD2
REC/PB
Approx.12 ms: MD1
Approx.7.5 ms: MD2
REC/PB
3 Vp-p
16.934 MHz
REC/PB
1.58 Vp-p
3-13 3-14
3-7. MD SERVO BLOCK DIAGRAM