Opu & Motor Circuit Diagram - LG DP270B Service Manual

3. OPU & MOTOR CIRCUIT DIAGRAM
L407 L407
3.3V FB(1206) FB(1206) L408 L408
1 2 1
C418 C418
0.1uF 0.1uF CE410 CE410
220uF/10V 220uF/10V
24
23 T+
22 F-
21 F+
PD_DVD
Vcc
18 VR
17 GND
LD_DVD
LD_CD
VR
13 GND
PD_CD
VRF
9 C
8
7
D
5 F
E
3 Vcc
2 Vs
1
HITACHI HOP1200
J401 J401 24 GND
V20
23
22
E
21
F
20
D
19
A
18
B
17
C
16
15 RFO
14
13 MDI1
12
11
LD_CD
10
9 LD_DVD
8
7
AVCC2
6
MDI2
5
F+
4
F-
3
T+
2
T-
1
HEADER 24 SMD0.5 TOP HEADER 24 SMD0.5 TOP
CON24_0.5MM CON24_0.5MM
89P_3V3 DV33
M5V
R453 R453 10K 10K R402 R402
R447 R447 10K 10K R448 R448
R450 R450 1.2K 1% 1.2K 1%
R407 R407 2K 1% 2K 1% R408 R408 0 0 U401 U401
AM5898N AM5898N
BAT_OUT
47uH(LH) 47uH(LH) C415 C415
1000pF 1000pF V1P4
2 1 34
R409 R409
EN2 BIAS
2 R413 R413 C416 68pF C416 68pF STBY
750 750 2 33
CT2 MUTE
Q408 Q408 680K 680K
3 32
COMP2 EN1
D401 D401 1 AO3409 AO3409 R415 R415 0 0 CT1
4 31
SW2 CT1
3
1N5819 1N5819 5 30
IPK2 COMP1
R427 R427 0.1 1% 0.1 1%
6 29
PVCC1 SW1
7 28
PVCC2 IPK1
F+
8 27
VOFC+ PGND2
M5V F- 9 26
VOFC- PGND1
BAT_OUT
10 25
VCC1 PGND
FOSO R433 R433 0 0 11 24
VINFC VCC2
DMSO R432 R432 10K 10K
12 23
VINSL VINTK
CE411 CE411 C420 C420 13 22
MGND VINSP
100uF/25V 100uF/25V 0.1uF 0.1uF SP+
14 21
VOSL+ VOSP-
SP-
15 20
VOSL- VOSP+
16 19
MGND MGND
T+
17 18
VOTK+ VOTK-
35 36
MGND MGND
2
D
1 G S 3
AO3409
3.3V S3.3V
L411 L411 FB FB
C426 C426 + CE415 + CE415 C434 C434
0.1uF 0.1uF 47uF/6.3V 47uF/6.3V 0.1uF 0.1uF
LD_3.3V
L415 L415 FB FB
C431 C431 + CE421 + CE421
0.1uF 0.1uF 47uF/6.3v 47uF/6.3v
R446 R446 10K 10K IOA
R403 0 R403 0
AVCC2 2 3 LD_3.3V
Q401 Q401
C413 C413
0.1uF 0.1uF SMBT3906 SMBT3906
VCC TROPEN
FB FB
L412 L412 Tray_Open_SW
C427 C427 + + CE416 CE416
100uF/10v 100uF/10v
0.1uF 0.1uF
4
C430 0.1uF C430 0.1uF SW401 SW401
3
Very Important to SW PUSHBUTTON SW PUSHBUTTON
reduce Noise
L413 L413
C436 C436 C429 C429
2
0.1uF/NC 0.1uF/NC 10uH 10uH S3.3V 0.1uF 0.1uF
1 3
DVD_LD interlock SW
R436 R436 10 10 B C E
R419 R419
1
2SB1132
47K 47K
Q411 Q411
R435 R435 10 10 1
2SB1132 2SB1132 SW402 SW402
2
Q412 Q412
C437 C437 L414 L414 CE417 CE417
1
0.1uF/NC 0.1uF/NC R421 R421 4.7 4.7 47uF/6.3v 47uF/6.3v S3.3V
SMBT3906/NC SMBT3906/NC
10uH 10uH
R424 R424 4.7 4.7 R428 R428
Q413 Q413 R425 R425
+ + 1 10K/NC 10K/NC
Q414 Q414 CE418 CE418
47uF/6.3v 47uF/6.3v SMBT3906/NC SMBT3906/NC 10K/NC 10K/NC
LDO1
1
2SB1132 2SB1132
CE419 CE419 CE420 CE420
+ + + +
100uF/10V/NC 100uF/10V/NC
100uF/10V/NC 100uF/10V/NC
MDI1 MDI2
BAT_OUT
R405 R405 M5V
BAT_OUT 27K 27K
20K 20K
Q407 Q407
10K 10K 1 SMBT3906 SMBT3906
CT1
Q409 Q409
SMBT3904 SMBT3904
R426 R426 R422 R422 2
C414 C414 0.1uF 0.1uF 51K 51K 6.8K 6.8K C
R410 R410 10K 10K R411 R411 1.2K 1% 1.2K 1%
1 B
C417 68pF C417 68pF R416 R416 100 100 R418 R418 3.6K 1% 3.6K 1%
R423 R423 10K 10K R420 R420 680K 680K SMBT3904
R429 R429 0 0
R430 R430 0.1 1% 0.1 1%
BAT_OUT
3
1 Q410 Q410
AO3409 AO3409
L410 L410
R431 R431
M5V
TRSO C419 C419 2 L409 L409 47uH(LH) 47uH(LH) FB(1206) FB(1206) 5VA
750 750
R434 R434 0 0 FMSO 1000pF 1000pF 1 2 1 2
SL-
SL+
BAT_OUT
CE412 CE412 C421 C421
T- CE413 CE413 D402 D402 220uF/10V 220uF/10V 0.1uF 0.1uF
100uF/25V 100uF/25V 1N5819 1N5819
M5V
5VA
C425 C425 C424 C424 + CE414 + CE414
0.1uF 0.1uF 0.1uF 0.1uF 47uF/6.3V 47uF/6.3V
S3.3V
R417 R417
10K 10K
C428 C428 SL-
1
0.1uF 0.1uF SL+
DM-520 SLED Motor
1 SL+
2
2 SL-
TOP
J402 J402
2x1 W/HOUSING 2x1 W/HOUSING
CON2_2.0_DIP_B CON2_2.0_DIP_B
C423 C423 2200pF 2200pF
4
C422 C422
LDO2 0.1uF/NC 0.1uF/NC
R404 R404 680K 680K OPO
3
OP-
SW PUSHBUTTON SW PUSHBUTTON OP+
R449 R449 R406 R406 C402 C402 R451 R451
S3.3V 150K 150K 150K 150K 2200pF 2200pF
680K 680K
V1P4
R452 R452 NC NC
R454 R454
R412 1 R412 1
10K 10K SP- 4
SP+
3
LIMIT 2
1
TOP
J403 J403
4x1 W/HOUSING 4x1 W/HOUSING
CON4_2.0_DIP_B CON4_2.0_DIP_B
3-37 3-38
E 3 E 3
SMBT3906
OFF-PAGE CONNECTION
VCC
Q402 Q402
AF2301P AF2301P L404 L404
3 2
10uH/7032 10uH/7032
C408 C408 R439 R439 C409 C409
0.1uF 0.1uF 20K 20K
0.1uF 0.1uF
R438 R438
R437 R437
STANDBY 1 20K 20K
Q415 Q415
5.1K 5.1K
C410 C410 SMBT3904 SMBT3904 C403 C403
0.1uF 0.1uF
1uF 1uF
VCC M5V
L405 L405
FB FB
C433 C433 CE402 CE402
0.1uF 0.1uF 47uF/6.3V 47uF/6.3V
A+5V
L403 L403
FB FB
C435 C435 CE403 CE403
0.1uF 0.1uF 47uF/6.3V 47uF/6.3V
C401 C401 1uF 1uF
TP401 TP401 TP403 TP403
TP402 TP402
L401 10uH L401 10uH L416 L416 10uH 10uH
A+5V 2 1 A-5V
IN OUT
U402 U402
CE406 CE406 TPS60400 TPS60400 CE407 CE407
10uF/16V 10uF/16V 10uF/16V 10uF/16V
5
2
3 4
DM-520 SPINDLE Motor
Spec Sheet No.
1 SP-
2 SP+
3 LIMIT
4 GND
LG & MALATA LG & MALATA LG & MALATA
Document Number Document Number Document Number
04.OPU & MOTOR 04.OPU & MOTOR
Monday, January 15, 2007 Monday, January 15, 2007 Monday, January 15, 2007
5VA
5VA 5,6
A-5V
A-5V 5
A+5V
A+5V 2,5
3.3V
3.3V 2,3,7,8
GND
GND 2,3,5,6,7,8
BAT_OUT
BAT_OUT 6,7
V20
V20 2
V1P4
V1P4 2
STBY
STBY 2
STANDBY
STANDBY 6
TRSO
TRSO 2
DMSO
DMSO 2
FOSO
FOSO 2
FMSO
FMSO 2
OP+
OP+ 2
OP-
OP- 2
OPO
OPO 2
LIMIT
LIMIT 2
TROPEN
TROPEN 2
LDO1
LDO1 2
LDO2
LDO2 2
IOA
IOA 2
A
A 2
B
B 2
C
C 2
D
D 2
E
E 2
F
F 2
RFO
RFO 2
MDI1
MDI1 2
MDI2
MDI2 2
SERVO I/F