LG DP372D User Manual

3-31 3-32
3. OPU & MOTOR CIRCUIT DIAGRAM
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P QRS T
03.OPU & MOTOR
MALATA
Wednesday, January 02, 2008
03.OPU & MOTOR
MALATA
Wednesday, January 02, 2008
03.OPU & MOTOR
MALATA
Wednesday, January 02, 2008
LDO1
V1P4
TRSO
C
LDO2
OPO
LDO1
AVCC1
D
V20 LIMIT
STBY
OP+
DMSO
RFO
E
FOSO
MDI1
TROPEN
A
F-
F+
T+
T-
D
E
FMSO
F
OP-
LDO2
B
SP+
SP-
T-
F+
F-
FOSO
DMSO
CT1
SL-
SL+
T+
FMSO
TRSO
STBY
V1P4
CT1
3.3V
A+5V
BAT_OUT
IOA
TROPEN
LIMIT
OP+
V1P4
SP-
OP-
SL-
SL+
SP+
C
IOA
RFO
A
F
GND
AVCC1
LD-CD
MDI1
STANDBY
A-5V
M5V
A-5V
STANDBY
V20
LD-DVD
5VA
IOA
GNDGND
B
OPO
MD_POWER_CRTL
GND
MD_POWER_CRTL
M5V
S3.3V
S3.3V
VCC
DV3389P_3V3
S3.3V
BAT_OUT
M5V
STANDBY
3.3V
BAT_OUT
BAT_OUT
M5V
5VA
BAT_OUT
BAT_OUT
S3.3V3.3V
BAT_OUT
M5V
M5V
VCC
VCC
S3.3V
A+5V
VCC
VCC
M5V
LDO1
V1P4
TRSO
C
LDO2
OPO
D
LIMIT
OP+
DMSO
RFO
E
FOSO
MDI1
TROPEN
A
FMSO
F
OP-
B
3.3V
A+5V
BAT_OUT
IOA
GND
STBY
A-5V
STANDBY
V20
5VA
GND
MD_POWER_CRTL
M5V
SERVO I/F
DVD_LD interlock SW
3
2SB1132
1
C
2
EB
13
LD_DVD
F-
23
2
PD_DVD
17
3
LD_CD
PD_CD
HITACHI HOP1200X
5
GND
Vcc
E
22
GND
F+
T+
9
F
D
C
18
VRF
VR
7
VR
8
21
Vcc
1
24
Vs
Very Important to
reduce Noise
Tray_Open_SW
E
SMBT3906
3
C
SMBT3904
1
2
EB
3
1
GND
3
2
SP+
SP-
4
LIMIT
SL-
1
2
SL+
DM-520 SLED Motor
DM-520 SPINDLE Motor
TOP
TOP
TPS60400
1
2
34
5
D
AO3409
1
2
SG
3
Spec Sheet No.
3
2
1
1
2
3
C326
104
C326
104
L305
10uH/7035
L305
10uH/7035
+
CE314
47uF/6.3v
+
CE314
47uF/6.3v
12
FB301 FB1206FB301 FB1206
+
CE316
100uF/10V
+
CE316
100uF/10V
12
R335
0
R335
0
FB302
FB1206
FB302
FB1206
G
S
D
MQ302
2SK3018
G
S
D
MQ302
2SK3018
1
2 3
SW302
SW PUSHBUTTON
SW302
SW PUSHBUTTON
1 4
2 3
+
CE311
47uF/10V
+
CE311
47uF/10V
12
U301
AM5898N
U301
AM5898N
EN2
1
GND
35
VCC1
10
VINSL+
12
COMP2
3
CT2
2
VOSP-
21
PVCC2
7
VOSL+
14
MGND
13
PGND1
26
PGND
25
GND
36
COMP1
30
MUTE
33
PVCC1
6
SW2
4
IPK2
5
BIAS
34
VOFC-
9
VINFC
11
VINTK
23
VCC2
24
VINSP
22
SW1
29
IPK1
28
CT1
31
EN1
32
VOFC+
8
PGND2
27
VOSL-
15
MGND
16
VOTK+
17
VOSP+
20
MGND
19
VOTK-
18
R346
10K
R346
10K
C327
222C327 222
+
CE310
10uF/16V
+
CE310
10uF/16V
1 2
+
CE306
47uF/10V
+
CE306
47uF/10V
12
R330
100K
R330
100K
L309
FB
L309
FB
C303
102
C303
102
R303
20KR303 20K
R318
10KR318 10K
CN303
CON4_2.0MM_DIP
CN303
CON4_2.0MM_DIP
1
2
3
4
Q311
2SB1132
Q311
2SB1132
1
2 3
G
S
D
MQ301
2SK3018
G
S
D
MQ301
2SK3018
1
2 3
R336
0
R336
0
+
CE301
220uF/10V
+
CE301
220uF/10V
12
R322 0.1 1%R322 0.1 1%
U302
TPS60400
U302
TPS60400
OUT
1
IN
2
CFLY-
3
GND
4
CFLY+
5
R351
0/NC
R351
0/NC
C322
104
C322
104
R340
150K
R340
150K
R327
20K
R327
20K
L303
FBL303 FB
C323
104
C323
104
R314
15R314 15
Q308
2SB1132
Q308
2SB1132
1
23
R341
150K
R341
150K
C333
105
C333
105
C318
105C318 105
+
CE313
220uF/6.3
+
CE313
220uF/6.3
1 2
R313
680K
R313
680K
R301
27K
R301
27K
R306
1.2K 1%R306 1.2K 1%
D302
1N5819
D302
1N5819
1 2
C324NC/104C324NC/104
L308
10uHL308 10uH
C314
104
C314
104
L311
10uH
L311
10uH
R343
4.7R343 4.7
R311
6.8K
R311
6.8K
TP303TP303
R319
100R319 100D301
1N5819
D301
1N5819
1 2
R344
5.1K
R344
5.1K
C304
68pF
C304
68pF
R345
20K
R345
20K
TP302TP302
R338
680KR338 680K
C331
104
C331
104
C306
104
C306
104
R325
10KR325 10K
C308
104
C308
104
B
C
E
Q302
SMBT3904
B
C
E
Q302
SMBT3904
1
3 2
R320 680KR320 680K
C334
104
C334
104
CN301
CON24_0.5MM
CN301
CON24_0.5MM
10
9
8
7
6
5
4
3
2
1
11
13
12
15
14
16
20
19
18
17
24
23
22
21
25
26
R350
0
R350
0
R333
10K
R333
10K
C330
NC
C330
NC
R317
0.1 1%R317 0.1 1%
L312
10uH
L312
10uH
C311
104
C311
104
+
CE303
220uF/16V
+
CE303
220uF/16V
12
C313
104
C313
104
+
CE315
100uF/10V
+
CE315
100uF/10V
12
SW301
SW PUSHBUTTON
SW301
SW PUSHBUTTON
14
23
R353
20K
R353
20K
TP301TP301
R302
10KR302 10K
R316
10KR316 10K
+
CE304
100uF/25V +
CE304
100uF/25V
12
C305 68pFC305 68pF
R307
2K 1%R307 2K 1%
C315
104
C315
104
+ CE312
100uF/10v
+ CE312
100uF/10v
12
R348
1
R348
1
C301
104C301 104
R324
0R324 0
R323
750
R323
750
L302
47uH(LH)
L302
47uH(LH)
+
CE305
47uF/6.3V
+
CE305
47uF/6.3V
12
R305 10KR305 10K
R309
750
R309
750
R328
20K
R328
20K
C307
102
C307
102
L310
FB
L310
FB
R334
100K
R334
100K
C302
104
C302
104
G
S
D
Q305
AF2301P
G
S
D
Q305
AF2301P
1
23
L306 10uHL306 10uH
R321
15R321 15
+ CE309
10uF/16V
+ CE309
10uF/16V
12
C317
105
C317
105
C320
104
C320
104
B
C
E
Q306
2N3904
B
C
E
Q306
2N3904
1
3 2
R331
10K
R331
10K
C325
NC/104
C325
NC/104
R308
0R308 0
C328
104/NC
C328
104/NC
CN302
CON2_2.0MM_DIP
CN302
CON2_2.0MM_DIP
2
1
R339 4.7R339 4.7
R347
NC
R347
NC
L301
47uH(LH)
L301
47uH(LH) R312 1.2K 1%R312 1.2K 1%
R342
680K
R342
680K
C309
104
C309
104
C321
104
C321
104
C310
104
C310
104
B
C
E
Q307
Q_2N3904
B
C
E
Q307
Q_2N3904
1
3 2
R310
51K
R310
51K
L304
10uH/7035
L304
10uH/7035
+ CE302
100uF/25V
+ CE302
100uF/25V
12
C312
104
C312
104
D
S
G
Q304
AO3409
P-CHANNEL
D
S
G
Q304
AO3409
P-CHANNEL
1
32
R337
47K
R337
47K
R315
3.6K 1%R315 3.6K 1%
B
C
E
Q309
2N3904
B
C
E
Q309
2N3904
1
3 2
D
S
G
Q303
AO3409
P-CHANNEL
D
S
G
Q303
AO3409
P-CHANNEL
1
3 2
C329
222
C329
222
G
S
D
Q310
AF2301P
G
S
D
Q310
AF2301P
1
23
B
C
E
Q301
SMBT3906
B
C
E
Q301
SMBT3906
2 3
1
R329
5.1K
R329
5.1K
R326
0R326 0
C335
104
C335
104
R332
10K
R332
10K
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LG DP372D Specifications

General

Brand	LG
Model	DP372D
Category	Portable DVD Player
Language	English