Read LG 37LH4000 / 37LH4010 / 37LH4020 (CHASSIS:LD91G) Service Manual online
Fi b e r Op t i c
USB DOWN STREAM
USB DOWN STREAM
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.
JP412
DSUB_B
2:E19
ISP_RXD
JP414
P401
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
PC_L_IN
2:S16
IC403
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DO UT
2
8
RIN2
9
RO UT
2
10
DIN2
11
DIN1
12
RO UT
1
13
RIN1
14
DO UT
1
15
G N
D
16
VCC
P400
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DSUB_G
2:E19
COMP_R_IN
2:S16
DSUB_R
2:E18
COMP_Pr
2:E20
DBG_TX
COMP_DET
1:AA22
DBG_RX
ISP_TXD
+5V_ST
+5V_ST
JP413
COMP_Y
2:E20
+3.3V
JK401
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
COMP_L_IN
2:S16
PC_R_IN
2:S16
DSUB_HSYNC
2:E18
DSUB_VSYNC
2:E18
DSUB_DET
COMP_Pb
2:E20
AV_CVBS_DET
+3.3V
AV_CVBS_IN
AV_R_IN
AV_L_IN
+3.3V
REAR_USB_DP
1:AL7
REAR_USB_DM
1:AL8
+5V_USB_REAR
C423
0.1uF
EDID_WP
1:AJ19
R412
10K
R416
100
D400
ENKMC2838-T112
A1
C
A2
+5V_ST
C402
18pF
50V
C401
18pF
50V
JK402
PPJ218-01
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
+5V_GENERAL
+5V_GENERAL
JK403
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
SPDIF_OUT
2:X18
D402
5.6V
CDS3C05HDMI1
D401
5.6V
CDS3C05HDMI1
JK404
UB01123-4HHS-4F
1
2
3
4
5
SIDE_USB_DP
1:AL7
SIDE_USB_DM
1:AL8
D425
5.6V
CDS3C05HDMI1
D426
5.6V
CDS3C05HDMI1
IC400
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D408
30V
AMOTECH
D409
30V
AMOTECH
D413
30V
D414 30V
ADUC30S03010L_AMODIODE
D415
30V
ADUC30S03010L_AMODIODE
D416
30V
ADUC30S03010L_AMODIODE
D417
30V
ADUC30S03010L_AMODIODE
D423
30V
ADUC30S03010L_AMODIODE
OPT
D424
30V
ADUC30S03010L_AMODIODE
OPT
D406
30V
AMOTECH
D407
30V
AMOTECH
D404 5.6V
AMOTECH
D405
5.6V
AMOTECH
D410
5.6V
AMOTECH
D411
5.6V
AMOTECH
D412
5.6V
AMOTECH
D418
5.6V
ADMC5M03200L_AMODIODE
OPT
D419
5.6V
ADMC5M03200L_AMODIODE
OPT
D420
5.6V
ADMC5M03200L_AMODIODE
OPT
D421
5.6V
OPT
AMOTECH
D422
5.6V
OPT
AMOTECH
ZD403
OPT
ADMC5M03200L_AMODIODE
JK405
KJA-UB-4-0004
1
2
3
4
5
IR_OUT
R461
0
OPT
C407
10uF
OPT
USB_CTL
1:AI26
+5V_USB_SIDE
USB_OCD
1:AI14
C403
0.1uF
R458
6.2K
R457
6.2K
R456
0
R419
0
R435
0
R436
0
R455
0
R446 0
OPT
R440
0
R437
0
R400
0
C430
0.047uF
25V
C404
0.1uF
16V
C431
0.1uF
16V
C405
0.1uF
C406
0.1uF
16V
C400
0.1uF 16V
C429
0.33uF
16V
C428
0.33uF
16V
C425 0.33uF 16V
R459
100
@maker
R460
100
C415
1000pF
50V
C417
1000pF
50V
C422
100pF
50V
C424
100pF
50V
C412
100pF
50V
C413
100pF
50V
R420
10K
R414
10K
R431
10K
R432
10K
R413
10K
R433
12K
R417
12K
R434
12K
R415
12K
R409
1K
R448
1K
R462
1K
R425
1K
R444
22
R445
22
C427
220pF
50V
C426
220pF
50V
R418
4.7K
R401
4.7K
R447
4.7K
R403
47
R450
470K
R429
470K
R408
470K
R430
470K
R410
470K
R449
470K
C414
47pF
50V
R442
75
R443
75
R411
75
R428 75
R427 75
R441
75
R426
75
C419
OPT
C420
OPT
C418
OPT
R452
15K
R451
15K
R454 10K
R453
10K
JK400
PPJ229-01
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
IC402
MP6211DH
3
IN_2
2
IN_1
4
EN
1
GND
5
FLAG
6
OUT_1
7
OUT_2
8
OUT_3
R406
4.7K
R404
4.7K
D403
5.6V
AMOTECH
COMPONENT
PC AUDIO
RS232C
AV (OPT:SIDE_AV)
REAR USB (OPT:REAR_USB)
[ PC ]
SPDIF OPTIC JACK
SIDE USB (OPT:SIDE_USB)
INTERFACE
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