Toshiba SD-170EKB2, Service Manual

Page: 19 / 37

A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
SP+
INSW
SP-
HOMESW
Imax=600m
A
2.1V
LOAD+
CN2 is used for Sanyo/Sony OPUs
OPU 313A HD65 502W
R49: 100R 0R 91R
R50: 100R 0R 91R
SLED-
Close to motor driver.
CD/DVD Control :
DVD=LOW
CD=HIGH
Imax=250mA
LOAD-
GND
ESD
OUTSW
OPU: 313A HD65
R76: 2.2R 1R
SLED+
GND
Close to CN2
C195
C196
C42
C52
C53
C54
C55
C56
C57
C58
C62
C63
C64
C65
C66
C67
C68
CN2
CN3
CN4
D19
D30
D31
EC10
EC11
EC12
EC13
EC14
L2
Q2
Q3
Q4
Q5
R43
R44
R45
R46
R47
R48
R49
R50
R52
R66
R70
R71
R72
R73
R74
R75
R76
R84
R85
R86
R87
R88
R90
R91
R92
U7 A1
A1
A3
A1
A1
A1
A1
A1
A2
A2
B3
C3
A3
A3
A3
C2
C2
A1
A3
A3
C1
C3
C3
A1
A1
A1
A2
B3
A1
A1
A1
C3
D3
A1
A1
A1
A1
A1
A1
B1
B1
A1
C3
C3
C3
D3
D3
C1
C1
C1
C2
C2
C2
A3
A3
A3
A3
A3
B3
SL_MOT-
LOAD+
OPU5V
OPU_HFM
SP_M-
SLED_S
IN_OUT_SW
TRACK_S
SP_M-
LOAD-
VC2
TACT-
DVDLD
FACT-
FACT-
FACT+
SP_MOT-
CD_DVD
VR_DVD
LOAD+
VR_DVD
SL_MOT-
FACT+
CDLD
VR_CD
HOMESW
SL_MOT-
VC1
TACT-
CDLD
TACT+
FACT-
SPDL_SENS-
LOAD+
TACT+
DV
DLD
SP_MOT-
LOAD-
SP_M-
SP
TACT-
VR_CD
TACT+
DRVSB
LOAD-
FACT+ INSW
VC2
SPDL_S
FOCUS_S
VC2
SLED_S
LD_CD
LD_DVD
MD_DVD
RF
REGO1
SLED_S
TRACK_S
SPDL_S
INSW
TR_B1
SPDL_SENS-
DRVSB
REGO2 TRACK_S
TR_B2
RF_C
HOMESW
RF_E
IN_OUT_SW
SP
DRVSB
FOCUS_S
TR_B1
SPDL_S
RF_A
TR_B2
MD_CD
VC
FOCUS_S
RF_B
OPEN
REGO2
RF_F
CLOSE
CD_DVD
REGO1
RF_D
DSPVCC33
GND
M5V
GND
M5V
M5V
DSPVCC33
DSPVCC18
DSPVCC33
RFA5V
DSPVCC33
DSPVCC33
DSPVCC33
RFA5V
CN2
SF-HD6B/0.5mm,24P TOP
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
25
26
27
28
F-
F+
T+
T-
C
D
CD/DVD
RF
A
B
F
GND-PD
VC
VCC
E
NC
VR-CD
VR-DVD
LD-CD
MD
HFM
NC
LD-DVD
GND-LD
NC
NC
NC
NC
R49
100R
R86
33K
R75
2K
R90
4.7K
+ EC13
47uF/16V
D19
BAT54C
2
3
1
R48 33R
R88 0R
[NM]
+ EC12
100uF/16V
C196
1nF
Q5
SS8550D
b
e
c
C56
1nF
CN3
NM(TRAY_CNN)
1
2
3
4
5
R46 220R
C195
1nF
C66
NM
[1nF]
R92
4.7K
R66
1K
EC14
220uF/16V
Q3
9012
CN4
NM(SLED & SPINDLE)
1
2
3
4
5
6
R50
100R
R43
4.7R
R47
0R
R84
1K 1%
R72
1%
4.7k
R91
4.7K
R45
4.7R
C57
0.1uF
C42
0.1uF
C63
100pF
C68
0.1uF
R52
3.3K
R70
1%
20k
D31
6.8R
A K
Q2
9012
D30
2.2R
A
K
C54
1nF
C52
NM
1uF
C64
NM
[1nF]
L2 10uH
C67
0.1uF
R76
1R
C58
0.1uF
R85
1K 1%
C53
NM
1uF
R73
1%
10k
R44 220R
R74
2K
+ EC10
47uF/16V
C65
NM
[1nF]
R71
1%
12k
C62
0.1uF
R87 NM [0R]
C55
1nF
U7 AM5888S(HSOP-28)
1
9
10
12
3
2
15
7
14
13
21
19
20
24
27
6
4
5
28
8
11
17
18
16
23
22
25
26
29 30
VINFC
VOTR-
VOTR+
VOSL-
REGO2
TR_B1
VOTK+
REV
VOFC+
VOFC-
VCTL
VCC2
NC
NC
BIAS
FWD
VINSL
REGO1
MUTE
VCC1
VOSL+
VOLD+
VOLD-
VOTK-
VINLD
GND
TR_B2
VINTK
GND GND
Q4
SS8550D
b
e
c
+ EC11
47uF/16V
4-4
4-4
Main Board Electric Diagram for
SD-170EKB 2 & SD-170EKE 2
: Front end