Opu & Motor Circuit Diagram - LG DP391B Service Manual

3. OPU & MOTOR CIRCUIT DIAGRAM
R407 R407
L408 L408
BAT_OUT
3.3V L407 L407 FB(1206) FB(1206)
47uH/SLF7045 47uH/SLF7045
Q401 Q401
1 2
D401 D401 D D AO3409 AO3409
C418 C418 + +
0.1uF 0.1uF CM410 CM410 G G
100uF/16V 100uF/16V SS24 SS24
S S
BAT_OUT
2
D
CM411 CM411
+ +
1 G S 3 47uF/25V 47uF/25V
AO3409
1 LD-GND
2 DVD-LD
3 CD-LD
4 PD
5 N.C
6 N.C
7 DVD-VR
8 CD-VR
Very Important to
9 RF
10 A4
reduce Noise
11 A3
12 SW
13 A2
14 A1
15 E1
+ CM416 + CM416
16 N.C.
17 Vc
100uF/10V 100uF/10V
18 Vcc
19 E2
20 GND
21 T+
22 T-
23 F+
24 F-
J401 J401
1 LD_GND
DVD_LD
2
3 CD_LD
4
5 C437 1000pF C437 1000pF
6
7 DVD_VR
CD_VR C436 1000pF C436 1000pF
8
9 RF
RF_B
10
26 11 RF_C TP404 TP404 VCC
25 12 CD_DVD
13 RF_D R451 R451 3.3K 3.3K
14 RF_A
15 RF_F
16
R442 R442 33 33 VC
17
18
19 RF_E
20 PD_GND
T+ C430 C430
21
22 T- 0.1uF 0.1uF
F+
23
24 F-
CON24_0.5MM CON24_0.5MM
CMS-SP1CH
R436 R436
2K 2K
Traverse Deck
3.3V
1 SP-
2 SP+
3 LIMIT
4 GND R454 R454 R435 R435
10K 10K
5 SL-
6 SL+
2K 2K
6 SP-
5 SP+
4 HOMESW R412 1(2012) R412 1(2012)
3
2 SL-
1 SL+ C439 C439
1000pF(NC) 1000pF(NC)
J402 J402
CON6_1.5MM_DIP_B CON6_1.5MM_DIP_B
TOP
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C422 C422 0.1uF 0.1uF
M5V R445 R445 33K 33K
R453 R453 10K 10K
R443 R443 1K 1% 1K 1% R444 R444 1K 1% 1K 1%
R447 R447 10K 10K
C423 C423 0.1uF 0.1uF
R450 R450 1.2K 1% 1.2K 1%
R402 R402 20K 20K
2K 1% 2K 1% R408 R408 0 0
U401 U401 R448 R448 10K 10K
C415 C415 AM5898N AM5898N
1000pF 1000pF
1 34
R409 R409 EN2 BIAS
C416 C416 68pF 68pF 2 33 /DRVSB R410 R410 10K 10K
750 750
CT2 MUTE
R413 R413 3 32
COMP2 EN1
1 680K 680K R415 R415 15 15 4 31 CT1 C417 68pF C417 68pF
SW2 CT1
R423 R423 10K 10K
5 30
IPK2 COMP1
R427 R427 0.1 1% 0.1 1% 6 29 R429 R429 15 15
PVCC1 SW1
7 28
PVCC2 IPK1
F+ 8 27
VOFC+ PGND2
F-
9 26
VOFC- PGND1
TP405 TP405
TP406 TP406
M5V 35 36
GND GND
C420 C420
0.1uF 0.1uF 10 25
VCC1 PGND
FOCUS_S R433 R433 0 0 11 24
VINFC VCC2
SLED_S R432 R432 0 0 12 23 TRACK_S
VINSL+ VINTK
13 22 R434 R434 0 0 SPDL_S
MGND VINSP
SL+ 14 21 SP-
VOSL+ VOSP-
SL- 15 20 SP+
VOSL- VOSP+
16 19
MGND MGND
T+ T-
17 18
VOTK+ VOTK-
VCC
<S3.3V>
3.3V
P.ON(3.26V/0mA)
S3.3V
DVD_PLAY(3.26V/50mA)
1 2
L411 L411
FB0805 FB0805
+ +
C426 C426 CM415 CM415
47uF/16V 47uF/16V
0.1uF 0.1uF
VCC
L412 L412
1 2
<MD_5.0V>
FB0805 FB0805
P.ON(5.03V/10mA)
DVD_PLAY(5.03V/23mA)
C427 C427
0.1uF 0.1uF
2SB1132 2SB1132
1 R446 R446 220 220 LD_DVD
Door_Closed
Q411 Q411 C440 C440 CM417 CM417
0.1uF 0.1uF
47uF/16V 47uF/16V
R421 R421 3.3 3.3
S3.3V
R424 R424 3.3 3.3
Current Limit C441 C441 CM418 CM418
+ +
47uF/16V 47uF/16V
0.1uF 0.1uF
LD_CD
1
Q414 Q414 R449 R449 220 220
2SB1132 2SB1132
2
C
1 3
B C E
2SB1132
SPDL_SENS+
D403 D403
BAT54C BAT54C
3 3.3V
2
1
SPDL_SENS-
BAT_OUT
3.3V R405 R405 M5V
27K 27K
Q407 Q407
2N3906 2N3906
1
CT1
C C
1 B B Q409 Q409
BAT_OUT 2N3904 2N3904
E E
R426 R426 R422 R422 2
C
51K 51K 6.8K 6.8K
1 B E 3
SMBT3904
R411 R411 1.2K 1% 1.2K 1%
R416 R416 100 100 R418 R418 3.6K 1% 3.6K 1%
R420 R420 680K 680K
R430 R430 0.1 1% 0.1 1% <5VA>
BAT_OUT
P.OFF(5.05V/10mA)
1
P.ON(5.04V/58mA)
R431 R431 Q410 Q410
C419 C419 AO3409 AO3409 L409 L409 5VA DVD_PLAY(5.04V/268mA)
M5V
47uH/7032 47uH/7032 L410 L410 FB(1206) FB(1206)
1 2
750 750 1000pF 1000pF
C408 C408 R439 R439
BAT_OUT
+ + C421 C421 0.1uF 0.1uF 20K 20K
D402 D402
0.1uF 0.1uF
Q415 Q415
CM413 CM413 + + SS24 SS24 CM412 CM412
2N3904 2N3904
47uF/25V 47uF/25V 100uF/16V 100uF/16V C C
R437 R437
STANDBY
1 B B
5.1K 5.1K
C410 C410
E E
0.1uF 0.1uF
M5V <Motor>
P.ON(5.03V/1mA)
L406 L406 DVD_PLAY(4.98V/200mA)
1 2
FB0805 FB0805
C432 C432 C431 C431 C438 C438
+ +
CM421 CM421
100uF/10V 100uF/10V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
<A+5V>
P.ON(5.03V/27mA)
DVD_PLAY(5.03V/27mA)
A+5V TP401 TP401
1 2 A+5V
L403 L403
FB0805 FB0805
+ + CM403 CM403
C435 C435 47uF/16V 47uF/16V
0.1uF 0.1uF
Tray_Open_SW
3.3V
SW402 SW402
MPU11190MLB7 MPU11190MLB7
R419 R419
1 2
3 4
1K 1K
C434 C434
R428 R428 C433 C433
10K 10K 0.1uF 0.1uF
0.1uF 0.1uF
DVD_VR R401 R401 0 0 MD_CD
CD_VR R403 R403 0 0 MD_DVD
3-57 3-58
2
C
1 B E 3
SMBT3906
Q402 Q402
VCC
AF2301P AF2301P
L404 L404 FB(1206) FB(1206)
3 2 1 2
C411 C411
0.1uF(NC) 0.1uF(NC) C409 C409
0.1uF 0.1uF
R438 R438
20K 20K
C403 C403
1uF 1uF
OFF-PAGE CONNECTION
M5V
M5V 3
5VA
5VA 5,6,7
A+5V
A+5V 2,5
3.3V
3.3V 2,3,7
GND
GND 2,3,5,6,7
BAT_OUT
BAT_OUT 6,7
VC
VC 2
/DRVSB
/DRVSB 2
STANDBY
STANDBY 6
TRACK_S
TRACK_S 2
SPDL_S
SPDL_S 2
FOCUS_S
FOCUS_S 2
SLED_S
SLED_S 2
SPDL_SENS+
SPDL_SENS+ 2
SPDL_SENS-
SPDL_SENS- 2
HOMESW
HOMESW 2
Door_Closed
Door_Closed 2
LD_CD
LD_CD 2
LD_DVD
LD_DVD 2
CD_DVD
CD_DVD 2
MD_DVD
MD_DVD 2
MD_CD
MD_CD 2
RF_A
RF_A 2
RF_B
RF_B 2
RF_C
RF_C 2
RF_D
RF_D 2
RF_E
RF_E 2
RF_F
RF_F 2
RF
RF 2
SERVO I/F
04.OPU & MOTOR 04.OPU & MOTOR 04.OPU & MOTOR
Friday, February 15, 2008 Friday, February 15, 2008 Friday, February 15, 2008
LGE Internal Use Only