Toshiba SD-P1850SN Service Manual page 15

1 2
MAIN BOARD CIRCUIT DIAGRAM
A
(OPU CONNECTOR & DRIVER CIRCUIT DIAGRAM)
DVD 5V
L55
BGH2012B601LT
L54
BGH2012B601LT
B
C269
10uF/16V
+
C267 C266 C265 C268
1N 100P 10N 10uF/16V
+
XS2
C
FACT+
24
F+
23 TACT-
T-
TACT+
22
T+
FACT-
21
F-
20
VCC
19
NC
18
LD/DVD
17
GND
16
LD/CD
15
MD
14
VRDVD
13
VD/CD
12
A/A
11
B/B
10
D/D
D 9
C/C
8
RF
7
CD/DVDSW
6
E
5
F
4
GND
3
V20
2
LD/VCC
1
NC
C297
C293
33P 33P
FPL0.5B-SMT-24
E
DVD5V
C278
10uF/16V
L58
0805SMD 050
MOT5V
F
C242
10uF/10V C146
0.1uF
DVD 3V3
R290
53261-0690 10K
1
HOMESW
2
3
G
4
SP+
5
SP-
6
XS3
3 4
L40
BGH2012B601LT
RF3V3
DVD 3V3
RFA5V
R295
C212 47U/16V
L56 VD58 R293
1
BGH2012B601LT KTA1298
C270 C271
0.1uF 1N L57
VD59
BGH2012B601LT R294
1
KTA1298
C288
C213 47U/16V
C287
470P
470P R288
DVDLD
CDLD
C301 C298
33P 33P
OPU A
OPU B
OPU D
OPU C
RFE
RFF
C296 C295
VC
33P 33P
C133
C134
C246
0.1uF 10u/16V 1N
FOCUS_ S
FOCUS_ S
C211 100pF FT-
C210 R247 6K8 FT+
0.1uF
R306 NC
SLED_ S
SLED_ S
C276 4N7
R302 33K
R300 6.8K
MOT5V
SLED-
SLED+
FACT- R303 0R5
FACT+
5 6
C272 C138 C273 C140
1N 10u/16V 100P 10N
RF3V3
10
220R
DVD_LD
C300
1N
220R
CD_LD
C299
1N
C424 C425
10 0.1uF 0.1uF
MD_C D
MD-DVD
RF
R255 0R
RFA
R254 0R
RFB
R244 0R
RFD
R253 0R
RFC
C303 1N
VC2
N7
BA5888 R258 10K
1 28
VINFC STBY
2 27
CFCERR1(OP2IN-) BIAS
3 26
CFCERR2(OP2IN+) VINTK
TT+ C161 100pF
4 25
VINSL+ CTKERR1(OP1IN+)
TT- R250 10K
5 24
VINSL-(OP2OUT) CTKERR2(OP1IN-)
FT
6 23
VOSL(CLOSE) VINLD
7 22
VNFFC(OPEN) PREGND
MOT5V
8 21
VCC PVCC2
TT
9 20
PVCC1(LOAD-) VNFTK(OP1OUT)
10 19
PGND(LOAD+) PGND(VCC2)
11 18
VOSL- VOLD-
12 17
VOSL+ VOLD+
R248
13 16
VOFC- VOTK-
0R5
14 15
VOFC+ VOTK+
7 8
MD_ C D
MD_D VD
VD62 VD61
2SD601 2SD601
RFA5V
1 1
298
R407
3.3K
NC
R299
CD/DVDSW
3K3
RFA5V
C93
1N
R297
R298
3K3
470
VDDPWM
VD60
1
2SD601 L53
BGH2012B601LT
C128 R256
10N 10K
C281
10UF/16V C282
0.1uF R307
10K
DRVSB
TRACK_S
SPINDLE_ S
R245
1K
R273 R274
1R0
1K
SPDL_ S ENS+
TACT-
TACT+ C294
33P
9 10
DVD3V3
CB113
CB99
C263
10N
100N +
10uF/16v
N9A
3
+
1
2
-
AZ358
RFA5V
C209
0.1uF
N9B R60
5
+
NC
7
6
-
AZ358
R246 1K
R275
6K8