LG 32LB5650, Руководство по обслуживанию

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THERMAL
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_PD_INDIA
140210
68
L14_M1A
Q403
MMBT3904(NXP)
E
B
C
+12V
R426
10K
+3.5V_ST
Q406
AO3435
FET_2.5V_AOS
G
D S
PANEL_VCC
PWM_DIM
Q400
MMBT3904(NXP)
E
B
C
R420
1K
R424
3.9K
PWM_DIM_PULL_DOWN
R401
10K
R442
10K
+24V
Q404
MMBT3904(NXP)
E
B
C
R441
10K
+3.5V_ST
R445
33K
R448
2.2K
C413
0.1uF
16V
OPT
C416
0.33uF
16V
R444
10K
+12V
INV_CTL
R430
2.7K
1%
+3.5V_ST
R400
10K
OPT
+3.5V_ST
R425
10K
R435
100K
Q402
MMBT3904(NXP)
E
B
C
R429
10K
C415
0.1uF
16V
C417
0.1uF
16V
L410
BLM18PG121SN1D
C424
0.1uF
16V
OPT
+3.3V_Normal
Q406-*1
DMP2130L
FET_2.5V_DIODE
G
D S
R432
0
5%
OPT
R431
1.2K
1%
L403
MLB-201209-0120P-N2
POWER_ON/OFF_1
C401
0.1uF
50V
+1.10V_VDDC
POWER_DET
RL_ON
+3.3V_Normal
+12V
+24V
+3.5V_ST
L402
MLB-201209-0120P-N2
C429
0.1uF
16V
R423
100
PWM2_2CH_POWER
PANEL_CTL
R443
10K
R406
10K
R419
100
+3.5V_ST
POWER_DET_RESET
+3.3V_Normal
C402
0.1uF
16V
C425
0.1uF
25V
OPT
C422
0.1uF
R436
100K
OPT
R451
5.6K
R404
4.7K
R402
10K
R452
5.6K
R412
33K
OPT
Q401
MMBT3906(NXP)
1
2
3
PWM1
L407
3.6uH
R454
100 5%
PD_+12V
C430
22uF
10V
C414
10uF
10V
C428
2.2uF
10V
C420
22uF
10V
C421
22uF
10V
C427
10uF
16V
ZD400
5V
ZD402
5V
L401
CB2012PK501T
L400
CB2012PK501T
L408
UBW2012-121F
120OHM
+3.3V_Normal
C406
10uF
16V
R418
10
R410
100K
L405
4.7uH
R405
4.7K
OPT
R409
10K
C408
10uF
10V
+3.3V_Normal
R416
100K
OPT
AVDD5V_MHL
+5V_Normal
USB1_OCD
C412
22uF
16V
+5V_USB
10uF
C405
R407
10K
R403
4.7K
OPT
5V_HDMI_4
USB1_CTL
+12V
/MHL_OCP_DET
C409
0.047uF
25V
L409
BLM18PG121SN1D
+3.3V_Normal
L411
CB2012PK501T
10uF
C426
10V
+1.5V_DDR
10uF
C431
10V
R455
0
C410
10uF
10V
ZD403
2.5V
ZD401
2.5V
R456
0
OPT
C432
4.7uF
50V
3216
+24V_CAP
C400
1uF
10V
1005
OPT
+24V
R457
8.2K
1%
OPT
R458
0
5%
OPT
R438
4.7K
OPT
C407
10uF
10V
2012
C434
390pF
50V
C419
0.039uF
50V
C423
270pF
50V
C435
0.1uF
16V
C418
0.01uF
ZD404
5V
+3.5V_POWER_DET
+3.5V_POWER_DET
+3.5V_POWER_DET
+3.3V_Normal
/VBUS_EN
MHL_OCP_EN
R463
2.7K
MHL_SW_TR
R464
10K
MHL_SW_TR
Q408
MHL_SW_TR
E
B
C
R462
10K
MHL_SW_TR
Q407
MHL_SW_TR E
B
C
Q409
MHL_SW_TR
E
B
C
R465
10K
MHL_SW_TR
R461
10K
MHL_SW_TR
R439
20K
1%
R440
47K
1%
R433
2.7K
1%
R447
22K
C403
100pF
50V
OPT
R415
15K
5%
R459
0
OPT
R408
4.7K
R449
1K
1/16W
1%
R450
200
1/16W
1%
C411
82pF
50V
C404
4700pF
50V
D401
30V
MBR230LSFT1G
L406
CB2012PK501T
+3.5V_ST
C436
10uF
10V
OPT
C437
0.1uF
16V
Q405
DMP2130L
FET_Diode
G
D S
R427
27K
1%
OPT
R428
5.1K
1%
OPT
IC404
AZ1117EH-ADJTRG1
ADJ/GND
OUT IN
R437
100 5%
OPT
R454-*1
300
5%
PD_+3.5V
IC403
TPS5432DDAR
3
PH
2
VIN
4
GND
1
BOOT
5
VSENSE
6
COMP
7
EN
8
SS
9
[EP]GND
TPS65282REGR
IC400
1
EN
3
SS
7
FAULT2
9
SW_OUT2
10
RLIM
11
AGND
12
SW_OUT1
13
SW_IN_1
14
SW_IN_2
15
FB
16
LX_1
17
LX_2
18
BST
19
PGND_1
20
PGND_2
21
VIN_1
22
VIN_2
23
PGOOD
24
V7V
5
EN_SW2
8
FAULT1
6
EN_SW1
4
ROSC
2
COMP
25
[EP]GND
C433
4.7uF
16V
+12V_CAP
3216
MHL_5V_EN
MHL_5V_EN
R421
18K
1%
R422
3.3K
1%
P401
SMAW200-H18S5
14
12V
9
24V
4
PDIM#1
18
GND
13
12V
8
PDMI#2
3
3.5V
17
GND
12
GND
7
GND
2
DRV ON
16
NC
11
GND
6
3.5V
1
PWR ON
15
12V
10
24V
5
3.5V
19
.
R446
12K
R453
0
R467
1K
OPT
R466
20K
IC401
BD48K28G
RESET_IC_ROHM
1
GND
2
VOUT
3
VDD
IC402
BD48K28G
OPT
1
GND
2
VOUT
3
VDD
IC401-*1
APX803D29
RESET_IC_DIODES
1
GND
3
VCC
2
RESET
IC402-*1
APX803D29
OPT
1
GND
3
VCC
2
RESET
Q405-*1
PMV48XP
FET_NXP
G
D S
Q406-*2
PMV48XP
FET_NXP
G
D S
C491
10uF
6.3V
IC410
MP20051
3
FB
2
OUT_2
4
GND
1
OUT_1
5
EN
6
NC
7
IN_1
8
IN_2
9
[EP]GND
L412
CIS21J121
C489
10uF
6.3V
+3.3V_TU
R492
10K
R494
4.7K
1%
C490
0.1uF
16V
POWER_ON/OFF_1
R493
1.5K
1%
+3.5V_POWER_DET
C493
0.1uF
16V C492
22uF
6.3V
R495
1
L404
MLB-201209-0120P-N2
PANEL_VCC
+1.10V_VDDC
R1
+3.3V_Normal
+1.5V_DDR
Vout=0.808*(1+R1/R2)
Power_DET
R2
FROM LIPS or POWER B/D
L14 POWER BLOCK (POWER DETECT INDIA)
R1
R2
+5V_Normal & +5V_USB with OCP
R2
R1
1.3A
4A
Vout=1.25*(1+R2/R1)+Iadj*R2
Vout=0.8*(1+R1/R2)
3A
(Active High)
(Active Low)
Ready - Dual Power Det
R432, R454-*1, R438
Now is
R457, R454
Detect Valtage
O R430, R431, R454
Use Circuit Designator
Power 3.5V
Power 12V
Power 24V
Power Detect activity
* Notice
- Applying all inch models for LCD L14
- Dual Power Det is used
for detecting two kinds of voltage
V0 = 0.8*(1+(R1/R2))
R1
R2
+3.5V_ST -> 3.3V_TU
CHANGE TO
6.3V 2012 X5R
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