32LN5700, 32LN5730 (CHASSIS:LT33B) — LG TV Service Manual (repair manual). Page 46

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U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
USB DOWN STREAM
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.
USB_CTL2
/USB_OCD2
/USB_OCD3
JK4302
3AU04S-305-ZC-(LG)
1
2
3
4
5
USB_DP3
USB_DP2
USB_DM2
USB_CTL3
R4301
10K
D4302
RCLAMP0502BA
OPT
D4300
RCLAMP0502BA
OPT
+5V_USB_2
R4302
10K
USB3
JK4300
3AU04S-305-ZC-(LG)
USB3
1
2
3
4
5
C4302
0.1uF
16V
+5V_USB_3
USB_DM3
+5V_NORMAL
+5V_USB_2
+3.3V_NORMAL
+5V_USB_3
C4301
10uF
10V
USB3
C4337
10uF
10V
C4322
10uF
10V
C4310
10uF
10V
USB3
IC4306
TPS2066CDGNR
3
EN1
2
IN
4
EN2
1
GND
5
FLT2
6
OUT2
7
OUT1
8
FLT1
9
[EP]GND
43
USB2_USB3
2012.7.11
MAX 1.5A
OCP USB2/3
USB2
MAX 1.5A
USB3
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
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.
+5V_USB_1
USB_DP1
D4500
RCLAMP0502BA
OPT
R4500
10K
OPT
/USB_OCD1
+5V_USB_1
C4500
0.1uF
16V
JK4500
3AU04S-305-ZC-(LG)
1
2
3
4
5
USB_CTL1
USB_DM1
+3.3V_NORMAL
R4501
10K
+5V_NORMAL
C4501
10uF
10V
C4502
10uF
10V
IC4500
BD82020FVJ 
3
IN_2
2
IN_1
4
EN
1
GND
5
OC
6
OUT_1
7
OUT_2
8
OUT_3
DVR Ready
OCP USB1
USB1
MAX 1.5A
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.
COMP1/AV1/DVI_R_IN
COMP1/AV1/DVI_L_IN
SOC_RX
AV1_CVBS_DET
COMP1_DET
C3800
0.1uF
16V
COMP1_Y/AV1_CVBS
+3.3V_NORMAL
+3.5V_ST
COMP1_Pb
+3.3V_NORMAL
D3800
5.6V
AV_COMP_ESD
D3801
5.6V
AV_COMP_ESD
R3810
10K
DTV/MNT_V_OUT_SOC
P3800
12507WS-04L
UART_4PIN_STRAIGHT
1
2
3
4
5
COMP1_Pr
D3802
5.6V
AV_COMP_ESD
R3806
10K
D3803
5.6V
AV_COMP_ESD
SOC_TX
ZD3804
ADUC 5S 02 0R5L 
R3800
75
1%
TU_DEBUG
JK3800
PPJ245-01 
6A
[GN]C-SPRING
7A
[GN]E-LUG
4A
[GN]CONTACT
5B
[BL]C-SPRING
8C
[RD1]E-LUG-S
6C
[RD1]C-SPRING
4C
[RD1]CONTACT
5D
[WH]C-SPRING
4E
[RD2]CONTACT
6E
[RD2]C-SPRING
7E
[RD2]E-LUG
R3801
0
OPT
R3811
1K
R3812
1K
JP4117
JP4118
EYE_SCL
EYE_SDA
38
JACK_COMMON
2011.11.21
AV/COMPONENT REAR
DEBUG FOR INTERNAL AMOD.
UART FOR DEBUG
For TU_Debug
Disconnet R374
Apply "AV_COMP_ESD" when your model’s ESD Test is failed
Eye sensor JIG POINT
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.
D5001
5.5V
LAN_ESD
EPHY_TDN
D5003
5.5V
LAN_ESD
D5000
5.5V
LAN_ESD
D5002
5.5V
LAN_ESD
EPHY_TDP
EPHY_RDN
EPHY_RDP
C5000
0.1uF
16V
C5001
0.01uF
50V
JK5000
RJ45VT-01SN002
NON_LN56
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
50
LAN_VERTICAL
2012.03.08
Ethernet Block
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.
R5411
12
0.1uF
C5413
16V
AMP_MUTE
0.1uF
C5420
50V
R5418
5.1K
R5415
5.1K
+24V_AMP
AUD_LRCH
SPK_R-
R5403
100
+24V
R5410
12
C5416
22000pF
50V
SPK_R-
L5401
BLM18PG121SN1D
0.1uF
C5421
50V
R5407
12
C5427
1uF
10V
R5400
10K
AMP_MUTE_MICOM
AUD_SCK
+24V_AMP
C5434
0.47uF
50V
R5402
100
SPK_L-
0.1uF
C5436
50V
+3.3V_NORMAL
SPK_R+
R5409
12
0.1uF
C5418
50V
AUD_MASTER_CLK
SPK_R+
I2C_SCL1
0.1uF
C5439
50V
0.1uF
C5437
50V
R5414
12
R5405
100
AMP_MUTE_MICOM
R5406
3.3
OPT
0.1uF
C5400
50V
C5425
22000pF
50V
AUD_LRCK
C5430
390pF
50V
L5400
CIS21J121
R5413
12
P5400
WAFER-ANGLE
1
2
3
4
C5428
1uF
10V
SPK_L-
C5408
33pF
50V
C5440
0.1uF
16V
OPT
C5414
10uF
10V
C5415
1000pF
50V
C5406
33pF
50V
C5424
0.01uF
50V
OPT
AMP_RESET_N
C5433
1uF
10V
C5431
390pF
50V
C5411
0.1uF
16V
C5432
390pF
50V
+24V_AMP
+3.3V_NORMAL
C5426
22000pF
50V
R5401
10K
AMP_MUTE_MICOM
R5408
12
0.1uF
C5438
50V
R5412
12
R5417
5.1K
SPK_L+
C5417
22000pF
50V
0.1uF
C5401
50V
I2C_SDA1
0.1uF
C5419
50V
C5435
0.47uF
50V
SPK_L+
Q5400
MMBT3904(NXP)
AMP_MUTE_MICOM
E
B
C
C5429
390pF
50V
C5404
1000pF
50V
R5416
5.1K
L5404-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
L5405-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
L5402-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
L5403-*1
NRS6045T100MMGK
Audio_Coil_TAIYO
10.0uH
1uF
C5412
10V
L5404
LPH6045T-100M 
Audio_Coil_ABCO
10uH
L5405
LPH6045T-100M 
Audio_Coil_ABCO
10uH
L5402
LPH6045T-100M 
Audio_Coil_ABCO
10uH
L5403
LPH6045T-100M 
Audio_Coil_ABCO
10uH
IC5400
NTP7513
3
DGND_PLL
2
VDD_PLL
4
GND
1
AGND_PLL
6
DVDD
5
DGND
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
VCC5
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
C5422
10uF
35V
C5423
10uF
35V
R5419
100
AMP_MUTE_PWR_DET
POWER_DET
54
AMP_NEO
2011.11.21
SPEAKER_R
SPEAKER_L
0x54
DUAL COMPONENT
Q1801
1ST : 0TRIY80001A  2ND : 0TR387500AA
[AMP_MUTE_PWR_DET]
-->For fixing AC-OFF POP noise 32"POLA/ROW model
-->32"POLA/ROW LPB’s 3.5st drop time is very fast

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