THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
POWER
150112
4
L15.5_ECI_M1A
Q403
MMBT3904(NXP)
TR_NXP
E
B
C
PANEL_VCC
R442
10K
Q404
MMBT3904(NXP)
TR_NXP
E
B
C
R441
10K
+3.5V_ST
R448
2.2K
R444
10K
+12V
L410
BLM18PG121SN1D
POWER_ON/OFF_1
+3.3V_Normal
C429
0.1uF
16V
PANEL_CTL
C425
0.1uF
25V
OPT
R451
5.6K
R452
5.6K
C430
22uF
10V
C428
2.2uF
10V
ZD402
5V
TVS_SEMTECH
L408
UBW2012-121F
120OHM
L409
BLM18PG121SN1D
+3.3V_Normal
L411
CB2012PK501T
10uF
C426
10V
+1.5V_DDR
10uF
C431
10V
ZD403
2.5V
BRAZIL_ESD
R447
22K
R449
1K
1/16W
1%
R450
200
1/16W
1%
IC404
AZ1117EH-ADJTRG1
ADJ/GND
OUT
IN
R453
0
Q405
SSM3J332R
S
G
D
Q406
SSM3J332R
FET_TOSHIBA
S
G
D
C423
22uF
16V
C432
1uF
16V
C403
4700pF
50V
OPT
+5V_Normal
+5V_USB
USB1_CTL
USB1_OCD
R422
15K
C418
47pF
50V
+5V_Normal
ZD401
2.5V
+1.10V_VDDC
C408
2200pF
50V
OPT
C417
3300pF
50V
C405
10uF
25V
C421
0.047uF
25V
L404
CB2012PK501T
C409
2200pF
50V
OPT
C416
22pF
50V
C411
82pF
50V
OPT
C424
22uF
16V
+12V
R403
10K
C419
22pF
50V
C412
10uF
6.3V
C406
10uF
25V
C410
0.047uF
25V
+3.3V_Normal
C420
3300pF
50V
R408
100K
C407
1uF
10V
R409
91K
+5V_Normal
ZD402-*1
TVS_KEC
Q403-*1
2N3904S
TR_KEC
E
B
C
Q404-*1
2N3904S
TR_KEC
E
B
C
R418
20K
R414
10K
C413
22uF
10V
C414
22uF
10V
ZD407
5.1v
OPT
R445
33K
R446
120K
Q406-*1
AO3435
FET_AOS
G
D
S
C427
0.22uF
25V
R411
4.7K
1%
R413
5.1K
1%
SN1406035RGER
IC400
1
SS2
3
EN2
7
SW_OUT
9
VIN2
10
PGND2
11
LX2
12
BST2
13
COMP2
14
FB2
15
RSET
16
AGND
17
FB1
18
COMP1
19
BST1
20
LX1
21
PGND1
22
VIN1
23
V7V
24
SS1
5
SW_EN
8
SW_IN
6
NFAULT
4
ROSC/SYNC
2
EN1
25
[EP]
R417
39K
1%
R416
5.1K
1%
R472
3.3K
USB1_CTL_Pull_Down
R473
30K
OPT
+19V
+19V
R479
20K
R475
68
+3.5V_ST
IC402
MP2315GJ
3
SW
2
IN
4
GND
1
AAM
5
BST
6
EN/SYNC
7
VCC
8
FB
C470
10uF
25V
C475
0.1uF
50V
C474
0.1uF
25V
C472
0.1uF
25V
C473
10uF
25V
C480
10uF
16V
C479
0.1uF
25V
C483
0.1uF
25V
JK400
KJA-DC-1-0032
1
1
2
2
4
4
C482
10uF
10V
C481
10uF
16V
C485
0.1uF
25V
D470
5V
C477
0.47uF
16V
OPT
C478
0.1uF
25V
C484
10uF
10V
POWER_ON/OFF_1
IC403
MP2315GJ
3
SW
2
IN
4
GND
1
AAM
5
BST
6
EN/SYNC
7
VCC
8
FB
R477
68
C471
68uF
35V
R471
47K
R478
100K
ZD405
15V
OPT
C476
0.1uF
50V
BOOST_EN
C486
10uF
16V
C487
22uF
10V
RL_ON
+3.5V_ST
R490
10K
OPT
R489
10K
OPT
R476
47K
OPT
R480
10K
R443
4.7K
+3.5V_ST
C400
0.1uF
16V
R410
10K
POWER_DET
L405
4.7uH
L406
4.7uH
L471
4.7uH
D471
20V
Surge Protection
R485
56K
R486
2K
1%
R487
1.2K
1%
R488
1K
1%
R481
56K
R482
11K
1%
R483
3.3K
1%
R484
1K
1%
R470
100K
L470
4.7uH
C488
68uF
35V
C489
22uF
10V
ZD408
5V
OPT
C490
1uF
10V
OPT
R415
100
1%
+12V
C491
470pF
50V
R491
5.1
R492
51K
R493
33K
C492
2.2uF
25V
Q407
SSM3J332R
S
G
D
L472
CIS21J121
OPT
BOOST_EN
+12V to PANEL_VCC
+3.5V_ST to +3.3V_Normal
+3.5V_Normal to +1.5V_DDR
FROM ADAPTOR 19V
POWER
R2
R1
1.3A
Vout=1.25*(1+R2/R1)+Iadj*R2
+19V to +3.5V_STANDBY
Vout=0.6(R1/R2)+0.6
+5V_Normal & +1.10V_VDDC
R2
R1
Vout=0.6(R1/R2)+0.6
R1
R2
Check the pull down
when AC Power On with HDD
3A
2013.08.07
5.6B->5V
READY->APPLY
To improve CST Issue
2013.12.21 by GH.Song
20130528 cJ.LIM
19V TO PANEL VCC(12V) DCDC CONVERTER
20130528 cJ.LIM
3A
NEW
NEW
X5R => X7R
3.5V_ST POWER_DET
Copyright
ⓒ
2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 32LX30*C
Page 36: ......
