Toshiba SD-170EKB2 Руководство по эксплуатации - Страница 19
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4-4
A
Main Board Electric Diagram for SD-170EKB2 & SD-170EKE2: Front end
1
ESD
DSPVCC33
R43
+ EC10
4.7R
47uF/16V
C52
C53
NM
NM
1uF
1uF
Close to CN2
Q2
R44
220R
LD_DVD
9012
DSPVCC33
CN2 is used for Sanyo/Sony OPUs
R45
+ EC11
4.7R
47uF/16V
C54
C196
C55
1nF
1nF
1nF
Q3
R46
220R
LD_CD
1
9012
GND-LD
DVDLD
R47
2
LD-DVD
0R
3
NC
4
OPU_HFM
HFM
5
C56
MD
CDLD
1nF
6
LD-CD
VR_DVD
7
VR-DVD
8
VR_CD
VR-CD
9
NC
10
E
RF_E
OPU5V
L2
10uH
11
VCC
12
VC1
R48
33R
2.1V
VC
VC
13
GND-PD
14
F
RF_F
28
15
RF_B
NC
B
16
A
RF_A
27
17
NC
RF
RF
CD_DVD
18
CD/DVD
26
19
RF_D
NC
D
20
RF_C
C
25
21
TACT-
C195
NC
T-
TACT+
1nF
22
2
T+
23
FACT+
F+
24
FACT-
F-
CN2
SF-HD6B/0.5mm,24P TOP
C58
C57
0.1uF
+ EC13
0.1uF
47uF/16V
FOCUS_S
FOCUS_S
SLED_S
SLED_S
TRACK_S
TRACK_S
SPDL_S
SPDL_S
DRVSB
DRVSB
VC2
SP_MOT+
SP_M-
SL_MOT+
SL_MOT-
FACT-
FACT+
TACT-
TACT+
LOAD-
LOAD+
3
CN4
SLED+
6
SL_MOT+
SLED-
5
SL_MOT-
GND
4
HOMESW
3
SP+
2
SP_MOT+
SP-
1
SP_MOT-
NM(SLED & SPINDLE)
DSPVCC33
CN3
C42
0.1uF
LOAD-
1
LOAD-
LOAD+
2
LOAD+
OUTSW
3
4
R92
R90
R91
GND
5
R87
NM [0R]
4.7K
4.7K
4.7K
INSW
R88
0R
NM(TRAY_CNN)
[NM]
HOMESW
HOMESW
IN_OUT_SW
IN_OUT_SW
INSW
INSW
C64
C65
C66
NM
NM
NM
[1nF]
[1nF]
[1nF]
4
A
B
OPU
313A
HD65
502W
R49: 100R
0R
91R
R50: 100R
0R
91R
R49
100R
VR_CD
MD_DVD
VR_DVD
MD_CD
R50
100R
RFA5V
+ EC12
100uF/16V
RFA5V
R52
3.3K
CD_DVD
CD/DVD Control :
DVD=LOW
CD=HIGH
U7
AM5888S(HSOP-28)
1
FOCUS_S
VINFC
MUTE
2
TR_B1
TR_B1
BIAS
3
REGO2
REGO2
VINTK
4
SLED_S
VINSL
TR_B2
5
REGO1
REGO1
NC
6
OPEN
FWD
VINLD
7
CLOSE
REV
GND
29
GND
GND
M5V
8
VCC1
VCTL
LOAD-
EC14
C62
9
VOTR-
NC
220uF/16V
0.1uF
LOAD+
10
VOTR+
VCC2
SL_MOT-
11
VOSL+
VOLD-
SL_MOT+
12
VOSL-
VOLD+
FACT-
13
VOFC-
VOTK-
FACT+
14
VOFC+
VOTK+
B
C
R74
SP_M-
2K
SPDL_SENS-
SPDL_SENS-
D19
DSPVCC33
2
OPU:
313A
HD65
3
R76
R76:
2.2R
1R
1R
1
R75
BAT54C
SP_MOT-
2K
SPDL_SENS+
SPDL_SENS+
Close to motor driver.
DSPVCC33
R84
R86
1K 1%
33K
VC2
R85
C67
C68
1K 1%
0.1uF
0.1uF
M5V
28
DRVSB
27
VC2
D30
R66
C63
2.2R
26
TRACK_S
100pF
1K
D31
25
TR_B2
A
K
24
23
6.8R
SPDL_S
22
30
b
DSPVCC33
TR_B1
M5V
Q4
21
SS8550D
20
R70
19
20k
SP_M-
1%
18
SP_MOT+
REGO1
17
R71
TACT-
16
12k
TACT+
15
1%
GND
C
4-4
D
C195
A1
C196
A1
C42
A3
C52
A1
C53
A1
C54
A1
C55
A1
C56
A1
C57
A2
C58
A2
C62
B3
C63
C3
C64
A3
C65
A3
C66
A3
C67
C2
C68
C2
CN2
A1
CN3
A3
CN4
A3
D19
C1
D30
C3
D31
C3
EC10
A1
EC11
A1
EC12
A1
EC13
A2
EC14
B3
L2
A1
Q2
A1
Q3
A1
Q4
C3
Q5
D3
R43
A1
R44
A1
R45
A1
R46
A1
R47
A1
R48
A1
R49
B1
R50
B1
R52
A1
R66
C3
Imax=250mA
R70
C3
R71
C3
R72
D3
R73
D3
R74
b
DSPVCC18
C1
TR_B2
Q5
R75
C1
SS8550D
R76
C1
R72
R84
C2
4.7k
R85
C2
1%
REGO2
R86
C2
R73
R87
A3
10k
1%
R88
A3
R90
A3
GND
R91
A3
R92
A3
U7
B3
D
E
1
2
3
4
E