THERMAL
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
140826
4
L14_CA
Q403
MMBT3904(NXP)
TR_NXP
E
B
C
PANEL_VCC
Q400
MMBT3904(NXP)
TR_NXP
E
B
C
R401
10K
R442
10K
Q404
MMBT3904(NXP)
TR_NXP
E
B
C
R441
10K
+3.5V_ST
R448
2.2K
R444
10K
+13.2V
R400
10K
OPT
+3.5V_ST
R435
100K
L410
BLM18PG121SN1D
POWER_ON/OFF_1
POWER_DET
RL_ON
+3.3V_Normal
+13.2V
C429
0.1uF
16V
PANEL_CTL
R443
10K
R406
10K
+3.5V_ST
POWER_DET_RESET
C425
0.1uF
25V
OPT
C422
0.1uF
16V
R451
5.6K
R404
4.7K
R402
10K
R452
5.6K
R412
33K
OPT
Q401
MMBT3906(NXP)
TR_NXP
1
2
3
R454
100
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
ZD404
5V
TVS_SEMTECH
R447
22K
R449
1K
1/16W
1%
R450
200
1/16W
1%
IC404
AZ1117EH-ADJTRG1
ADJ/GND
OUT
IN
R453
0
L412
BLM18PG121SN1D
R471
22K
1/16W
1%
C441
1uF
10V
R470
10K
R469
68K
1/16W
1%
C443
0.1uF
16V
C440
100pF
50V
ZD405
5V
TVS_SEMTECH
+3.5V_ST
+13.2V
C439
0.1uF
25V
C442
2200pF
50V
C415
0.1uF
25V
R419
100
R426
10K
L403
MLB-201209-0120P-N2
R420
1K
Q402
MMBT3904(NXP)
TR_NXP
E
B
C
A13.2V
+3.3V_Normal
L414
OPT
+13.2V
R425
10K
INV_CTL
+3.5V_ST
PWM1
R467
1K
OPT
R424
3.9K
PWM_DIM
C402
0.1uF
25V
L415
MLB-201209-0120P-N2
C438
10uF
25V
C433
4.7uF
50V
OPT
Q405
SSM3J332R
S
G
D
Q406
SSM3J332R
FET_TOSHIBA
S
G
D
+3.5V_ST
R438
4.7K
OPT
C423
22uF
16V
C432
1uF
16V
C403
4700pF
50V
OPT
+5V_Normal
+5V_USB
USB1_CTL
USB1_OCD
R422
15K
C418
47pF
50V
C404
4700pF
50V
OPT
+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
+13.2V
R403
10K
C419
22pF
50V
C412
10uF
6.3V
OPT
C406
10uF
25V
+3.3V_Normal
C410
0.047uF
25V
+3.3V_Normal
C420
3300pF
50V
R408
100K
C407
1uF
10V
R407
4.7K
OPT
R409
91K
+5V_Normal
L413
2uH
L405
4.7uH
L406
4.7uH
ZD402-*1
TVS_KEC
ZD404-*1
TVS_KEC
ZD405-*1
TVS_KEC
IC401
KIC7529M2
RESET_IC_KEC
1
GND
2
OUT
3
VCC
Q401-*1
2N3906S-RTK
TR_KEC
E
B
C
Q400-*1
2N3904S
TR_KEC
E
B
C
Q402-*1
2N3904S
TR_KEC
E
B
C
Q403-*1
2N3904S
TR_KEC
E
B
C
Q404-*1
2N3904S
TR_KEC
E
B
C
C446
0.1uF
25V
+3.3V_Normal
R405
10K
R418
20K
R414
10K
C444
22uF
10V
C445
22uF
10V
C413
22uF
10V
C414
22uF
10V
ZD406
5.1v
OPT
ZD407
5.1v
OPT
R468
6.8K
1/16W
1%
R445
33K
R446
120K
Q406-*1
AO3435
FET_AOS
G
D
S
C427
0.22uF
25V
NON_60_SHARP
IC401-*1
APX803E29
RESET_IC_DIODES
1
GND
2
RESET
3
VCC
R411
4.7K
1%
R413
5.1K
1%
SNXXXXX
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]
P401
SMAW200-H12S5K(BK)(LTR)
9
GND
4
D13.2V
8
A13.2V
3
GND
12
PDIM#1
7
A13.2V
2
PDIM#2
11
DRV_ON
6
D13.2V
1
PWR_ON
10
GND
5
D13.2V
13
R417
39K
1%
R416
5.1K
1%
R415
0
5%
IC405
BD9D321EFJ
3
VREG
2
FB
4
SS
1
EN
5
GND
6
SW
7
BOOT
8
VIN
9
[EP]
R472
3.3K
USB1_CTL_Pull_Down
R430
14K
1%
R431
5.6K
1%
C427-*1
0.1uF
50V
60_SHARP
R473
30K
OPT
R474
30K
OPT
+13.2V to PANEL_VCC
+3.5V_ST to +3.3V_Normal
+3.5V_Normal to +1.5V_DDR
+13.2V POWER_DET
FROM POWER B/D 13.2V
POWER
R2
R1
1.3A
Vout=1.25*(1+R2/R1)+Iadj*R2
+13.2V to +3.5V_STANDBY
R2
Vout=0.765*(1+R1/R2)
R1
3A
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
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 43LF541 Series
Page 36: ......
