Read LG 32LD540 / 32LD540 / 32LD541 / 32LD570 / 32LD575 (CHASSIS:LD01B) Service Manual online
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
GND_D
DGND
All location are from 01 to 50
32/42LD570-ZB
SMPS_ON
BL_EN_O
ANA_DIM
BL_EN_O
SMPS_ON
ANA_DIM
SMPS_ON
LED_B
GND_A
3V4_STB
3V4_STB
12V_SMPS
20V_SMPS
3V4_STB
3V4_STB
3V4
3V4_STB
3V3_BCM3556
3V3_BCM3556
3V3_BCM3556
12V_SMPS
12V_SMPS
5V
PWM1_DIM [11]
PWM_BUZZ
[6]
ATM_SCL [6]
ATM_SDA_IN [6]
ATM_SDA_OUT [6]
PANEL_ER [11]
STBY_EN
[6]
A_DIM
[11]
BLT_EN
[11]
AC_DETECT [6,36,38]
KEY_ADC1
[6]
KEY_ADC2
[6]
IR_IN
[6]
CDS_OUT [6]
LED_R
[6]
DC_EN [2,3,5]
LED_B
[6]
R12
100/1005
R12
100/1005
R42
472/1005
R42
472/1005
TP1
PCB_TP10
TP1
PCB_TP10
1
TP3
PCB_TP10
TP3
PCB_TP10
1
TP6
PCB_TP10
TP6
PCB_TP10
1
TP10
PCB_TP10
TP10
PCB_TP10
1
C17
225p/16V
C17
225p/16V
C2
104p/50V
C2
104p/50V
Q1
MMBT4403
Q1
MMBT4403
1
2
3
R31
101/1005
R31
101/1005
TP13
PCB_TP10
TP13
PCB_TP10
1
C3
104p/50V
C3
104p/50V
Q5
MMBT4401
MMBT4401
Q5
MMBT4401
MMBT4401
1
2
3
R21
102/1005
102/1005
R21
102/1005
102/1005
R20
103/1005
103/1005
R20
103/1005
103/1005
R25
103/1005
R25
103/1005
R5
102/1005
R5
102/1005
R43
472/1005
R43
472/1005
R28
152/1005
R28
152/1005
R9
472/1005
472/1005
R9
472/1005
472/1005
U2
KIA7042AF
KIA7042AF
U2
KIA7042AF
KIA7042AF
VCC
1
GND
2
OUT
3
GND
4
TP11
PCB_TP10
TP11
PCB_TP10
1
R33
103/1005
R33
103/1005
R13
102/1005
R13
102/1005
D2
ZMMC6V2
D2
ZMMC6V2
1
2
Q4
MMBT4401
MMBT4401
Q4
MMBT4401
MMBT4401
1
2
3
D1
ZMMC6V2
D1
ZMMC6V2
1
2
TP7
PCB_TP10
TP7
PCB_TP10
1
R40
101/1005
R40
101/1005
R23
103/1005
103/1005
R23
103/1005
103/1005
C6
104p/50V
C6
104p/50V
R36
203/1005
R36
203/1005
R4
103/1005
R4
103/1005
TP5
PCB_TP10
TP5
PCB_TP10
1
L2
OPEN-CIC41P600AE
OPEN-CIC41P600AE
L2
OPEN-CIC41P600AE
OPEN-CIC41P600AE
2mm
JP1
FW20020-24
FW20020-24
2mm
JP1
FW20020-24
FW20020-24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
25
R17
OPEN-101/1005
R17
OPEN-101/1005
TP15
PCB_TP10
PCB_TP10
TP15
PCB_TP10
PCB_TP10
1
R35
103/1005
R35
103/1005
Q3
MMBT4401
MMBT4401
Q3
MMBT4401
MMBT4401
1
2
3
1.
25mm
JP2
12505WR-15A
12505WR-15A
1.
25mm
JP2
12505WR-15A
12505WR-15A
11
10
9
8
7
6
5
4
3
2
1
12
13
14
15
13
14
15
16
17
R14
103/1005
103/1005
R14
103/1005
103/1005
C16
104p/16V/1005
C16
104p/16V/1005
R22
103/1005
R22
103/1005
TP2
PCB_TP10
TP2
PCB_TP10
1
R18
152/1005
R18
152/1005
TP9
PCB_TP10
TP9
PCB_TP10
1
TP12
PCB_TP10
TP12
PCB_TP10
1
R34
OPEN-121/3216
R34
OPEN-121/3216
U1
FDS6675BZ
FDS6675BZ
U1
FDS6675BZ
FDS6675BZ
S1
1
S2
2
S3
3
G
4
D1
5
D2
6
D3
7
D4
8
C9
105p/16V/1005
C9
105p/16V/1005
R11
100/1005
R11
100/1005
R39
000/1005
R39
000/1005
TP8
PCB_TP10
TP8
PCB_TP10
1
R8
103/1005
R8
103/1005
C10
104p/16V/1005
C10
104p/16V/1005
TP4
PCB_TP10
TP4
PCB_TP10
1
C4
OPEN-100uF/16V/MVK/S
C4
OPEN-100uF/16V/MVK/S
TP14
PCB_TP10
PCB_TP10
TP14
PCB_TP10
PCB_TP10
1
R10
472/1005
472/1005
R10
472/1005
472/1005
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
MAX: 3A
All location are from 50 to 100
MAX 1.5A
Max 3A
MAX: 3A
32/42LD570-ZB
A2V5_BCM3556
A1V2_BCM3556
A3V3_BCM3556
D3V3_BCM3556
D1V2_BCM3556
1V2_BCM3556
3V3_BCM3556
3V3_BCM3556
12V_SMPS
3V3_BCM3556
+1V8
D1V8_DDR
DDR_VREF0
DDR_VREF1
DDR_VTT
+1V8
A2V5_BCM3556
DC_EN
[1,3,5]
DC_EN
[1,3,5]
INSTANT_BOOT
[6]
C62
106p/10V/2012
C62
106p/10V/2012
C87
104p/16V/1005
C87
104p/16V/1005
C70
106p/10V/2012
C70
106p/10V/2012
L57
CIS41P600AE
CIS41P600AE
L57
CIS41P600AE
CIS41P600AE
R70
103/1005
R70
103/1005
U51
AOZ1073AIL/SO-8L
AOZ1073AIL/SO-8L
U51
AOZ1073AIL/SO-8L
AOZ1073AIL/SO-8L
PGND
1
VIN
2
AGND
3
FB
4
LX
8
LX
7
EN
6
COMP
5
R68
104/F/1005
104/F/1005
R68
104/F/1005
104/F/1005
TP58
TP10
TP58
TP58
TP10
1
U55
RT9183H-PM5
RT9183H-PM5
U55
RT9183H-PM5
RT9183H-PM5
VI
2
VO
4
GND
3
SEN
5
SD
1
GND
6
C68
332p/50V/1005
C68
332p/50V/1005
R69
103/F/1005
R69
103/F/1005
C61
106p/16V/2012
C61
106p/16V/2012
TP53
TP10
TP53
TP53
TP10
1
C79
122p/50V/1005
C79
122p/50V/1005
R62
OPEN-104/F/1005
OPEN-104/F/1005
R62
OPEN-104/F/1005
OPEN-104/F/1005
C53
106p/10V/2012
C53
106p/10V/2012
C67
106p/10V/2012
C67
106p/10V/2012
R64
3093/F/1005
3093/F/1005
R64
3093/F/1005
3093/F/1005
C60
106p/16V/2012
C60
106p/16V/2012
C73
102p/50V/1005
C73
102p/50V/1005
L55
CIC10P300NC
CIC10P300NC
L55
CIC10P300NC
CIC10P300NC
U50
AOZ1073AIL/SO-8L
AOZ1073AIL/SO-8L
U50
AOZ1073AIL/SO-8L
AOZ1073AIL/SO-8L
PGND
1
VIN
2
AGND
3
FB
4
LX
8
LX
7
EN
6
COMP
5
TP54
TP10
TP54
TP54
TP10
1
R65
753/F/1005
753/F/1005
R65
753/F/1005
753/F/1005
C63
106p/10V/2012
C63
106p/10V/2012
C80
OPEN-106p/10V/2012
C80
OPEN-106p/10V/2012
C90
100uF/16V/MVK/S
C90
100uF/16V/MVK/S
L59
OPEN-CIC10P300NC
L59
OPEN-CIC10P300NC
C78
220p/50V/1005
C78
220p/50V/1005
TP50
TP10
TP50
TP50
TP10
1
TP51
TP10
TP51
TP51
TP10
1
TP52
TP10
TP52
TP52
TP10
1
C59
106p/10V/2012
C59
106p/10V/2012
C69
106p/10V/2012
C69
106p/10V/2012
R67
475/1005
R67
475/1005
R53
303/F/1005
R53
303/F/1005
C74
226P/6.3V/2012
C74
226P/6.3V/2012
L54
SPC10040-4R7M
SPC10040-4R7M
L54
SPC10040-4R7M
SPC10040-4R7M
C86
123p/2012
C86
123p/2012
R51
153/1005
R51
153/1005
R71
472/F/1005
R71
472/F/1005
C57
106p/10V/2012
C57
106p/10V/2012
R66
513/F/1005
513/F/1005
R66
513/F/1005
513/F/1005
C65
106p/10V/2012
C65
106p/10V/2012
C54
106p/10V/2012
C54
106p/10V/2012
C82
104p/16V/1005
C82
104p/16V/1005
U54
EUP7996
U54
EUP7996
VDDQ
5
NSD
2
AVIN
6
PVIN
7
VREF
4
VSENSE
3
VTT
8
GND
1
PGND
9
L58
SPC6025-1R0M
SPC6025-1R0M
L58
SPC6025-1R0M
SPC6025-1R0M
R55
122/F/1005
R55
122/F/1005
L51
SPC10040-4R7M
SPC10040-4R7M
L51
SPC10040-4R7M
SPC10040-4R7M
R72
OPEN-330/1005
R72
OPEN-330/1005
U53
RT8004P/CP
RT8004P/CP
U53
RT8004P/CP
RT8004P/CP
VDD
1
PGOOD
2
COMP
3
FB
4
RT
5
SYNC/MODE
6
EN/SS
7
PVDD
9
PVDD
16
LX
10
LX
11
LX
14
LX
15
GND
8
PGND
12
PGND
13
PAD
17
TP57
TP10
TP57
TP57
TP10
1
R58
622/1005
R58
622/1005
TP55
TP10
TP55
TP55
TP10
1
C84
104p/16V/1005
C84
104p/16V/1005
C52
106p/16V/2012
C52
106p/16V/2012
TP56
TP10
TP56
TP56
TP10
1
L53
CIC10P300NC
CIC10P300NC
L53
CIC10P300NC
CIC10P300NC
R61
103/F/1005
R61
103/F/1005
C75
226P/6.3V/2012
C75
226P/6.3V/2012
C81
104p/16V/1005
C81
104p/16V/1005
L61
OPEN-CIC10P300NC
L61
OPEN-CIC10P300NC
R63
103/1005
103/1005
R63
103/1005
103/1005
R52
103/F/1005
R52
103/F/1005
L56
CIS41P600AE
CIS41P600AE
L56
CIS41P600AE
CIS41P600AE
R60
681/F/1005
R60
681/F/1005
C58
222p/50V/1005
C58
222p/50V/1005
R59
512/F/1005
R59
512/F/1005
C88
226P/6.3V/2012
C88
226P/6.3V/2012
C51
106p/16V/2012
C51
106p/16V/2012
L52
CIC10P300NC
CIC10P300NC
L52
CIC10P300NC
CIC10P300NC
C85
106p/10V/2012
C85
106p/10V/2012
C83
105p/6.3V/1005
C83
105p/6.3V/1005
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