Sony MVC-CD300 Service Manual page 26

MVC-CD200/CD300
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
1 2 3 4
MD-083 BOARD(2/5)
SERVO(DRIVE BLOCK)
A -REF.NO.:3000 SERIES-
XX MARK:NO MOUNT
NO MARK:STILL/PB MODE
Measurement at Mark is not possible
physically due to the parts mounted on
Side B.
When disk access fails,supply of power is
stopped due to power save.As the result,
B
most of the measurement points show"0"(zero).
C
BASE UNIT(2/2)
M901
SPINDLE MOTOR CN002 18P
W 18
V 17
U 16
GND 15
LMT 14
D
M VH+ 13
UIN2 12
C015
XX
SPINDLE UIN! 11
FG
VIN2 10
C011
XX
VIN1 9
WIN1 8
C005
XX
WIN2 7
VH- 6
E
VCC 5
M902
LED 4
SLED MOTOR
Q003
SD+ 3
M
UN9114J-(K8).SO
DRIVE
SD- 2
TKC 1
R182
SLED 0
FG
PH901
F
C022
0.1u
B
C019
0.1u
B
C148
XX
B
G
C002
XX
1608 CL001
TRK-
C012
0.001u
TRK+
1 B
TO(1/5)
H
FCS+
FCS-
C023
C008
0.01u
0.01u
B
B
9
TO(5/5) POWER5V
16 15 14 13 12 11 10 9
I
IC001
FOCUS/TRACKING DRIVE
C025
33u
10V
TA
1 2 3 4 5 6 7 8
J
C013
0.001u B
C001
R007 0
XX C004
C009
B 220p
0.01u
1608 CH
B
K
16
SERVO
MD-083 (2/5)
5 6 7 8
SIGNAL PATH
REC REC/PB PB
SPINDLE speed servo
SPINDLE servo (speed and phase)
SLED speed servo
SLED servo (speed and phase)
Ref.signal
C140
22u C033
0.1u
10V
TA B
IC003 LB11998V-TLM
P-GND
VOUT
IC003
WOUT
UOUT
NC
SPINDLE MOTOR DRIVE
VCC2
VC
VCC3
FCSDRV
VCREF
C040
NC
TRKDRV
FC 0.01u B
NC
FGSEL
RF
NC
VCC1
C143
NC
UIN2 0.1u
S-GND B
UIN1 47k
R030
NC
VIN2
SPON
S/S
VIN1
BRAKE
WIN2
SPFG
FG
WIN1
R029 10k
RS
VH
R036 10k
SPREV
IC006
IC004
R181
TC7SET02FU(TE85R)
100k
SERVO
PERIPHERAL
XSPBRK
IC006
XRFRST
IC004 TC7SET08FU(TE85R)
ACTEN
INV.
Q004
UN9214J-(K8).SO
LED DRIVE
R018 0
0
0.3
R004
0
TRKDRV
C031
XX
SLMOVE
SLVOS
C026
0.01u
B
SAMO
IC009
16 15 14 13 12 11 10 9
VC SWITCH
IC005
C037
5 4
0.01u
SLED DRIVE B
C020
33u
10V
TA
1 2 3
1 2 3 4 5 6 7 8
C032
0.1u
FCSDRV
B
C041 C042
0.22u 0.1u
C028
C034 R042
B B
0.1u
220p 47k
B 1608
CH
4-47
9 10 11 12
10 11 12
TO(4/5) TO(3/5) TO(4/5)
R044
47k
R074
100k
R051 C144
0.01u
1k
IC010
C043 B
TA75S01F(TE85R)
0.01u IC010
B
AMP
R050
47k
C044
0.01u
C049
B
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
0.001u B
R054
C146
22u 220k
10V TA
C045
0.22u
B 1608
VH2IN
VH2O+
VH2O-
AVCC
SLFG
C046
HA-
XX
B
HA+
HAO IC014
HB-
R049 FOCUS/TRACKING/SLED/SPINDLE
HB+
150k SERVO
HBO
FE/TE/SLED POSITION AMP,
SHOCK SENSOR
DIFA1
IC014
DIFA2
CXA8094AR
DIFB1
DIFB2
SLV2
SLV
C050
4700p R055
R047 SLV1
82k B 100k
SLCTL-
SLCTLO
R048
220k
CL002
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
3 2 1
IC011
R075
SWITCH 4 5
0
R052
47k
R053
XX C055
0.22u
B
Q006
1608
UN9213J-(K8).SO C067
SWITCH 0.22u
B 1608
13 14 15 16 17
3 4
TO(1/5) TO(1/5)
TE
C142
1u
TA R110 R114
1k XX
IC015
BU4S66-TR
D004
R090
RB706F-40
XX
IC015
4 3 2 1
LDLMT
SWITCH
C096 SEOS
R103
R096 100p
100k
10k CH R117 10k SLVOS
FS2-
C091
R118 6800
0.22u
FS2OSW B
1608
C104 SNSCMP
FS2O 6800p R119
R097
22k
10k B TEO SLMOVE
TK2-
C092
C097 R120 5600
0.033u 100p
TK2OSW B
CH
1608 C105 3900p B TEIN
TK2D
R104
47k XTOK
XTOK
FEIN
FS1O
FE
FS11N
TEO
TK1O
TE
TK1IN
RECD2
RECD
22k
R116
MDPCD
R132
SPCDIN
R125
470
33k MDPGA
SP1-
R111
XX R126 10k R133 470 MDSGA
SP108C
R112 22k
C109 SINPWM
SP1O 1u
R102 22k R127
B
XX
SPLFIN C107
0.01u
SPLFON B
22k
R113
SPHBO
C106
SPSWD 0.01u
B SPLHLD
R161 R099
XX 68k
R098
100k D005
XX R164
C057
C098 XX
XX
0.1u
B
B
Q011
XX
R087 100k
C078
2200p
B
C079
6800p
R082 220k
B
D006
C084
R083 47k XX R165
1u
XX
B 1608
C075
0.047u Q012
R084 68k
B XX
C085
R085 33k
1u
B 1608
C063 C066
C076 0.1u 47u
0.047u B TA
B
4-48
18 19 20
FAO
FAO
MDPCD
MDPCD
SAO
SAO
TAO
TAO
13
TEIN TO(3/5)
TEIN
FEIN
FEIN
SE
VC
TSNSCMP
14
DIAG TO(3/5)
TE
IC019
D/A CONVERTER
IC019
MB88346BPFV-EF
GND
VREF-
AO2 VWDC2
AO3
AO1
AO4
SWDT
D1
AO5
SDCK
CLK
AO6
SDLTDA
LD
AO7
DO
AO8
DIAG
AO12
AO9
HAVCOS
AO11
A10
VCC
VREF+
C121 C125
0.1u 0.1u
B B
GND
4.6V
4.6V-2 15 TO(5/5)
3.4V
R153
R149
100k CL003
33k
16
SLFG TO(3/5)
R148
100k
R154
10k
C130
IC022
4700p
B
RATORCOMPA
IC022
TA75S393F-TE85R
C134
0.1u
B
R146
10k
29 TO(3/5,4/5)
DSP3.4V