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Model
32LN57XX 32LN5707 32LN570R 32LN570U 32LN570V 32LN571B 32LN5758 32LN575S 32LN575U 32LN575V 32LN5778 32LN577S 32LN577V 32LN578V (CHASSIS:LD33B)
Pages
127
Size
11.64 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32ln57xx-32ln5707-32ln570r-32ln570u-32ln570v-32ln5.pdf
Date

LG 32LN57XX / 32LN5707 / 32LN570R / 32LN570U / 32LN570V / 32LN571B / 32LN5758 / 32LN575S / 32LN575U / 32LN575V / 32LN5778 / 32LN577S / 32LN577V / 32LN578V (CHASSIS:LD33B) Service Manual ▷ View online

THERMAL
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
L3303
BLM18PG121SN1D
+5V_NORMAL
D0-_HDMI4_JACK
DDC_SCL_4_JACK
I2C_SDA4
DDC_SDA_MHL
R3306
4.7K
HDMI_INTERNAL_EDID
MHL_DET
CK-_HDMI4_JACK
R3301
100K
D2+_HDMI4_MHL
C3311
0.1uF
16V
Q3300
MMBT3904(NXP)
E
B
C
5V_MHL
IC3300
M24C02-RMN6T
HDMI_EXT_EDID
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
R3375
10K
D1+_HDMI4_JACK
D0-_HDMI4_MHL
D0-_HDMI3_JACK
D1+_HDMI4_JACK
R3345
4.7K
OPT
D1-_HDMI4_JACK
+5V_NORMAL
R3336
4.7K
DDC_SCL_3_JACK
CK-_HDMI4_MHL
C3321
0.1uF
16V
DDC_SDA_3_JACK
C3313
0.1uF
16V
CK-_HDMI4_JACK
D2-_HDMI3_JACK
R3355
4.7K
OPT
D1-_HDMI4_JACK
DDC_SCL_3_JACK
R3340
47K
5V_MHL
CK+_HDMI3_JACK
#MHL_OCP
C3320
0.1uF
16V
R3309
100
D1-_HDMI3_JACK
DDC_SDA_1_SOC
1.2V_MHL
R3363
10K
MHL_DET
D0+_HDMI3_JACK
MHL_DET
1.2V_MHL
CK+_HDMI4_JACK
R3303
100
R3356
10K
R3330
1K
R3362
10K
DDC_SCL_1_SOC
CK+_HDMI4_MHL
R3329
100
CEC_REMOTE
1.2V_MHL
EDID_WP
R3331
1K
HDMI_HPD_3_JACK
D0+_HDMI4_JACK
D2+_HDMI1_SOC
C3312
10uF
10V
R3342
0
OPT
DDC_SCL_MHL
C3318
0.1uF
16V
D2+_HDMI3_JACK
D0-_HDMI4_JACK
D1+_HDMI4_MHL
R3357
10K
D0+_HDMI1_SOC
I2C_SCL4
5V_MHL
SIL_HPD/CBUS
R3341
0
OPT
HDMI_ARC
R3351
4.7K OPT
5V_MHL
+1.23V_D_Demod
D1-_HDMI4_MHL
DDC_SDA_3_JACK
HDMI_DET
Q3303
MMBT3904(NXP)
E
B
C
#MHL_OCP
SOC_TX
SOC_RX
CK-_HDMI1_SOC
D1+_HDMI1_SOC
R3320
22
HDMI_EXT_EDID
+3.5V_ST
5V_MHL
D2-_HDMI4_JACK
TP3300
R3339
47K
5V_MHL
5V_HDMI_3_JACK
CK+_HDMI4_JACK
5V_HDMI_1_SOC
CEC_REMOTE
DDC_SCL_1_SOC
L3301
BLM18PG121SN1D
D0+_HDMI4_MHL
C3315
0.1uF
16V
CK+_HDMI1_SOC
R3327
100K
1.2V_MHL
R3374
10K
D2-_HDMI4_JACK
DDC_SDA_1_SOC
D2-_HDMI4_MHL
D1-_HDMI1_SOC
IC3304
SIL1292CNUC
3
RSVDL2
2
VDD12_1
4
RESET
1
RSVDL1
6
INT
5
PWR5V_DET
7
DSDA
8
DSCL
9
CBUS/HPD
10
VDD5_IN
11
RSVDNC
12
VREG33_OUT
13
PS_CTRL
14
HDMI_DET
15
GPIO1/CI2CA
16
GPIO0
17
CSDA
18
CSCL
19
CEC_A
20
VDD12_2
21
HPD_IN
22
TX2+
23
TX2-
24
TX1+
25
TX1-
26
TX0+
27
TX0-
28
TXC+
29
TXC-
30
AVDD12
31
VDD33_1
32
RXC-
33
RXC+
34
RX0-
35
RX0+
36
RX1-
37
RX1+
38
RX2-
39
RX2+
40
VDD33_2
41
[EP]GND
5VBUS
D3301
MMBD6100
A2
C
A1
R3302
100
+5V_NORMAL
CK-_HDMI3_JACK
DDC_SDA_MHL
DDC_SCL_4_JACK
R3325
47K
HDMI_EXT_EDID
R3328
100
+3.5V_ST
R3337
47K
DDC_SDA_MHL
D2+_HDMI4_JACK
D0+_HDMI4_JACK
Q3302
MMBT3906(NXP) 
E
B
C
#SIL_RESET
HDMI_DET
R3319
22
HDMI_EXT_EDID
R3304
1K
D1+_HDMI3_JACK
Q3310
MMBT3904(NXP)
E
B
C
HDMI_HPD_4_MHL
L3302
BLM18PG121SN1D
NON_TU_H/N/S_T/US
CEC_REMOTE
DDC_SCL_MHL
D2+_HDMI4_JACK
R3308
100
SIL_HPD/CBUS
HDMI_HPD_1_SOC
MHL_DET
+3.3V_NORMAL
Q3301
MMBT3904(NXP) E
B
C
D0-_HDMI1_SOC
R3373
1K
1/16W
5%
C3316
0.1uF
16V
D2-_HDMI1_SOC
C3314
0.1uF
16V
OPT
R3305
1K
Q3313
MMBT3904(NXP)
HDMI_EXT_EDID
E
B
C
R3321
4.7K
HDMI_EXT_EDID
R3371
820
Q3304
2N7002K
OPT
S
D
G
R3323
47K
HDMI_EXT_EDID
R3361
47K
D3300
MMBD6100
HDMI_EXT_EDID
A
2
C
A
1
5V_HDMI_1_SOC
R3376
0
R3348
10K
R3358
4.7K
OPT
VA3300
ADLC 5S 02 015 
OPT
VA3301
ADLC 5S 02 015 
OPT
VA3302
ADLC 5S 02 015 
OPT
VA3303
ADLC 5S 02 015 
OPT
R3332
10K
DDC_SCL_1_SOC
DDC_SDA_1_SOC
R3377
47K
HDMI_INTERNAL_EDID
R3378
47K
HDMI_INTERNAL_EDID
Q3309
PMV48XP
G
D
S
MHL_DET
Q3311
MMBT3904(NXP)
E
B
C
R3307
1.8K
DDC_SDA_MHL
R3379
22K
5V_MHL
DDC_SCL_MHL
R3380
1.8K
R3381
22K
D3314
MMBD6100
A2
C
A1
C3302
0.1uF
16V
JK3300
51U019S-312HFN-E-R-B-LG 
EAG62611204
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
JK3303
51U019S-312HFN-E-R-B-LG 
EAG62611204
14
ARC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
GND
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
JK3301
51U019S-312HFN-E-R-B-LG 
EAG62611204
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
GND
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
5VBUS
+12V
VA3304
ADLC 5S 02 015 
OPT
VA3305
ADLC 5S 02 015 
OPT
VA3306
ADLC 5S 02 015 
OPT
VA3307
ADLC 5S 02 015 
OPT
VA3308
ADLC 5S 02 015 
OPT
VA3309
ADLC 5S 02 015 
OPT
VA3310
ADLC 5S 02 015 
OPT
VA3311
ADLC 5S 02 015 
OPT
R3386
180K
R3387
120K
R3370
1K
+12V
R3384
1K
OPT
R3359
100K
IC3301
TPS2051BDBVR
3
OC
2
GND
4
EN
1
OUT
5
IN
C3322
0.1uF
16V
OPT
D3303
RCLAMP0524PA
OPT
1
8
2
7
3
6
4
5
9
10
D3302
RCLAMP0524PA
OPT
1
8
2
7
3
6
4
5
9
10
D3320
RCLAMP0524PA
OPT
1
8
2
7
3
6
4
5
9
10
D3321
RCLAMP0524PA
OPT
1
8
2
7
3
6
4
5
9
10
D3319
RCLAMP0524PA
OPT
1
8
2
7
3
6
4
5
9
10
D3318
RCLAMP0524PA
OPT
1
8
2
7
3
6
4
5
9
10
D3304
BAT54_SUZHO
30V
+3.3V_NORMAL
+3.3V_NORMAL
+3.3V_NORMAL
+3.3V_NORMAL
5V_MHL
R3338
10K
D3312
30V
BAT54_SUZHO
D3313
30V
BAT54_SUZHO
R3388
5.1
R3389
5.1
Q3314
PMBFJ177 
G
D
S
33
HDMI 4
2011.10.29
Current Limit
SIDE 
SIDE 
(CD_SENCE)
UI : HDMI3
UI : HDMI1
SIDE 
UI : HDMI2
Close to SIL1292
Fiber Optic
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
SPDIF_OUT
C3602
0.1uF
16V
R3611
2.7K
OPT
JK3602
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
+3.3V_NORMAL
R3610
33
36
JACK HIGH / MID
2011.11.21
SPDIF
SPDIF OUT
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
R3700
10K
HP_LOUT
HP_ROUT
+3.3V_NORMAL
HP_DET
JK3700
PEJ034-01 
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
3
E_SPRING
R3701
1K
37
JACK_COMMON
2011.11.21
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
SOC_RX
COMP1_Y/AV1_CVBS
AV1_CVBS_DET
R3822
0
SOC_TX
COMP1_Pr
COMP1_Pb
COMP1_DET
+3.5V_ST
R3806
10K
D3803
5.6V
COMP1/AV1/DVI_R_IN
R3810
10K
D3802
5.6V
D3801
5.6V
COMP1/AV1/DVI_L_IN
P3800
12507WS-04L
UART_4PIN_STRAIGHT
1
2
3
4
5
+3.3V_NORMAL
+3.3V_NORMAL
D3800
5.6V
JK3802
PPJ245-02 
6A
[RD1]C-SPRING
7A
[RD1]E-LUG
4A
[RD1]CONTACT
5B
[WH]C-SPRING
8C
[RD2]E-LUG-S
6C
[RD2]C-SPRING
4C
[RD2]CONTACT
5D
[BL]C-SPRING
4E
[GN]CONTACT
6E
[GN]C-SPRING
7E
[GN]E-LUG
C3800
0.1uF
OPT
C3801
0.1uF
OPT
C3802
0.1uF
OPT
C3803
0.1uF
OPT
+12V
R164
1K
R159
1K
38
JACK_COMMON
2011.11.21
UART FOR DEBUG
AV/COMPONENT REAR
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