LG 39LB5600 Service Manual page 24

L13 POWER BLOCK (POWER DETECT 2)
FROM LIPS & POWER B/D
+3.5V_ST
MMBT3906(NXP)
Q402
+3.5V_ST
1 3
R416
2
10K OPT
R411
33K
R406
R461
OPT 4.7K
10K
R401 C
RL_ON 10K
B Q401
MMBT3904(NXP)
R414
R462
E 0
10K
R404
0
OPT
+3.5V_POWER_DET
SMAW200-H18S5
D403
L401
5V
CB2012PK501T
+3.5V_ST
PWR ON
L404 1
C401 C402
10uF 1uF D401 CB2012PK501T 3.5V
3
10V 10V
5V
2012 1005 3.5V
5
GND
7
L407
MLB-201209-0120P-N2
24V
+24V 9
GND
11
C406
C404
12V
0.1uF 13
4.7uF
50V 12V
50V 15
3216 GND
L402 17
MLB-201209-0120P-N2
+12V
C405 C407
4.7uF 0.1uF
16V 16V
+5V_Normal & +5V_USB with OCP
+12V
C410 C411
10uF 10uF
16V
R412
100K
OPT
C408
100pF
50V
EN
C409
1 18
R403 4700pF
4.7K 50V THERMAL
COMP
+3.3V_Normal 25
2 17
OPT SS
R409 3 16
OPT
0
ROSC
R402 IC401
4 15
4.7K
TPS65282REGR
EN_SW2
MHL_5V_EN 5 14
4A
EN_SW1
USB1_CTL 6 13
+3.3V_Normal
R410 R413
10K 10K
R420
15K
MBR230LSFT1G
OPT
R422
100K
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.
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
PANEL_POWER
+3.3V_Normal
+3.5V_ST
R419
1K
R415
100 R426
10K
C
R421
INV_CTL
10K
B
E
Q405
MMBT3904(NXP)
P401
DRV ON
2
PDIM#1
4
PWM_DIM
3.5V +1.5V_DDR
6
PDIM#2
8 R408 100
PWM1
24V
10
GND
12
R428
12V
14
3.9K
N.C
16
GND
18
19
+2.5V_Normal
+5V_Normal
C413 L405
0.047uF
4.7uH
25V
BST
R1 C416
LX_2
22uF
C415
R425
16V
LX_1 82pF
18K
50V
1%
FB
R2
SW_IN_2
R427
SW_IN_1 3.3K
1%
C414
10uF
+5V_USB 10V
AVDD5V_MHL
5V_HDMI_4
R424
D407
10
30V
C412
10uF
10V
+3.3V_Normal
Vout=0.8*(1+R1/R2)
R464
10K
MHL_CD_SENSE
OPT
R429
10K
B
/VBUS_EN
OPT
(Active Low)
Q404
OPT
R431
10K
MHL_OCP_EN
OPT
(Active High)
+12V
L412
Q409
UBW2012-121F
DMP2130L
120OHM
C443
R439
10uF
C438
33K
16V G
0.1uF
25V
OPT
R440
12K
C
R430
10K B Q407
PANEL_CTL
MMBT3904(NXP)
051:AL22
E
R489
10K
+1.5V_DDR
+3.3V_Normal
IC403 L408
L406
AZ1117EH-ADJTRG1 CB2012PK501T
BLM18PG121SN1D
IN OUT
ADJ/GND
C417 R437 R442
R1
1K 0
10uF
1/16W
10V
1%
1.3A
R441 C418
200 R2
10uF
1/16W
10V
1%
Vout=1.25*(1+R2/R1)+Iadj*R2
IC402 +2.5V_Normal
+3.3V_Normal
TJ1118S-2.5
IN OUT
3 2
1
GND
D402
C440 SD05
C403
10uF 0.1uF 5V
10V
16V
OPT
85C
CHANGE TO
10UF/10V/X5R
R433
R432
10K
2.7K
OPT
OPT
MHL_5V_EN
MHL_CD_SENSE
Q408
C OPT
R436
MHL_OCP_EN
20K
GND
R435
E
10K
OPT
C
B
Q406
E
OPT
Power_DET
+24V
+12V
OPT
R446
R444
2.7K
8.2K
PANEL_VCC
1%
1%
C420 C422
R447
1uF
0.1uF
10V 1.2K
1005 16V
1%
OPT
R405 R407
5.6K 5.6K
+24V
OPT
R448
27K
1%
C419 OPT OPT
1uF
C424 R449
10V
0.1uF 5.1K
1005
OPT 16V 1%
+3.3V_Normal
D404
2.5V
POWER_ON/OFF_1
S7LR core 1.15V volt
+3.5V_ST
CB2012PK501T
C439 C441
0.1uF 10uF OPT
16V 10V
+1.10V_VDDC
OPT
C421 C426 C427
D406
0.1uF 22uF 22uF
2.5V
16V
10V 10V
+3.3V_Normal
IC5601
74LVC1G08GW
B VCC
1 5
A
2
Y
3 4
MHL_5V_EN
+3.5V_ST --> 3.375V --> 3.46V
+24V --> 3.78V --> 3.92V (3.79V)
+12V --> 3.58V --> 3.82V (3.68V)
+3.5V_POWER_DET
+3.5V_ST
R455
100K
OPT OPT
R450 R459
0
4.7K
5%
IC405
APX803D29
R457
VCC RESET 100
3 2
POWER_DET
1
C433
GND
0.1uF
POWER_DET_RESET
OPT
+3.5V_POWER_DET R456
100K
OPT
OPT
R451 IC406
APX803D29
0 OPT
R458
5%
100
VCC RESET
3 2
1
GND
+3.5V_ST
+3.3V_Normal
DMP2130L
L403
Q403
PZ1608U121-2R0TF
C437 D405
C425
C423
0.1uF 22uF 5V
R434 R438
2.2uF 16V
10K 10V SD05
22K
10V
R445
2.2K
C
R443
10K B Q400
MMBT3904(NXP)
E
IC404
+3.3V_Normal
L409
TPS5432DDAR [EP]GND
C432
0.01uF
BOOT SS
C429 C430 R463
1 8
10uF 0.1uF 10K
R454
10V 16V
0
VIN EN
2 7
C431
L410
0.1uF
3.6uH
PH COMP
16V
3 6
3A C436
0.33uF
R460
16V
GND VSENSE
2.7K
4 5
C434 C435
C428
R452
0.039uF 390pF
50V 13K
R1 50V 50V
270pF
1%
R453 R2
30K
1%
NC4_S7LRM 2013/05/07
Power_PD2 4_CI
LGE Internal Use Only