Read LG 32LH30FD (CHASSIS:LT91A) Service Manual online
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.
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.
DSUB_B
0 0 2 : E 1 8
ISP_RXD
001:Y14
OPT
C510
470K
R501
220pF
50V
C518
0
R534
KCN-DS-1-0088
P503
1
2
3
4
5
6
7
8
9
10
PC_L_IN
0 0 2 : S 1 5
MAX3232CDR
IC502
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
100
R551
KCN-DS-1-0089
P501
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DSUB_G
0 0 2 : E 1 8
0
R508
OPT
C509
DSUB_R
0 0 2 : E 1 7
100pF
50V
C501
220pF
50V
C519
4.7K
R549
OPT
C511
470K
R502
DBG_TX
0
R557
OPT
22
R540
1K
R546
0
R533
DBG_RX
ISP_TXD
+5V_ST
100pF
50V
C502
+5V_ST
0
R543
OPT
+3.3V
0
R507
P E J 0 2 4 - 0 1
JK501
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
22
R542
0 . 1 u F
50V
50V
C528
PC_R_IN
0 0 2 : S 1 5
4.7K
R548
DSUB_HSYNC
0 0 2 : E 1 7
DSUB_VSYNC
0 0 2 : E 1 7
DSUB_DET
100
R553
0 . 1 u F
16V
C515
EDID_WP
ENKMC2838-T112
D519
A1
C
A2
+5V_ST
4.7K
R545
0 . 0 4 7 u F
25V
C523
0 . 3 3 u F
16V
16V
C521
0 . 3 3 u F
16V
C517
0 . 3 3 u F
16V
16V
C522
CAT24C02WI-GT3
IC501
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
30V
D513
ADUC30S03010L_AMODIODE
30V
D514
ADUC30S03010L_AMODIODE
30V
D515
ADUC30S03010L_AMODIODE
30V
D516
ADUC30S03010L_AMODIODE
30V
D517
ADUC30S03010L_AMODIODE
30V
OPT
D529
ADUC30S03010L_AMODIODE
30V
OPT
D530
ADMC5M03200L_AMODIODE
5.6V
OPT
D518
ADMC5M03200L_AMODIODE
5.6V
OPT
D520
ADMC5M03200L_AMODIODE
5.6V
OPT
D522
ADMC5M03200L_AMODIODE
5.6V
OPT
D501
ADMC5M03200L_AMODIODE
5.6V
OPT
D502
+5V_USB_SIDE
CDS3C05HDMI1
5.6V
D524
10uF
10V
10V
C520
180
R550
0.1uF
C530
10uF
10V
10V
C529
SIDE_USB_DM
001:AN8
USB_OCD
0 0 1 : A I 1 4
+3.3V
CDS3C05HDMI1
5.6V
5.6V
D523
BLM18PG121SN1D
L502
SIDE_USB_DP
001:AN8
BLM18PG121SN1D
120-ohm
L501
47
R566
4.7K
R559
10K
R565
USB_CTL
0 0 1 : A J 2 6
AMOTECH
30V
D511
AMOTECH
30V
D509
10K
R521
AMOTECH
5.6V
D503
10K
R518
+3.3V
0
R531
COMP1_Y_IN
0 0 2 : E 1 5
COMP1_DET
0 0 1 : A J 2 0
COMP1_Pr_IN
0 0 2 : E 1 5
12K
R527
470K
R512
AV1_DET
COMP1_Pb_IN
0 0 2 : E 1 6
100pF
50V
C506
AV1_R_IN
AMOTECH
5.6V
D510
1000pF
50V
C504
+3.3V
12K
R530
0
R514
AMOTECH
30V
D506
AMOTECH
5.6V
D505
12K
R528
1K
R526
12K
R529
0 . 1 u F
16V
16V
C503
470K
R510
AMOTECH
5.6V
D508
0
R515
100pF
50V
C507
0
R532
COMP1_R_IN
0 0 2 : S 1 3
4.7K
R517
47pF
50V
50V
C508
10K
R520
4.7K
R516
75
R509
AMOTECH
30V
D507
AV1_L_IN
AV1_CVBS_IN
1K
R525
470K
R513
470K
R511
75
R524
75
R523
1000pF
50V
C505
10K
R519
AMOTECH
5.6V
D512
COMP1_L_IN
0 0 2 : S 1 3
AMOTECH
5.6V
D504
75
R522
12K
R564
FHD
AMOTECH
5.6V
D527
FHD
100pF
50V
C526
FHD
1K
R560
FHD
470K
R555
FHD
P P J 2 1 8 - 0 1
JK504
LH30
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
AV2_DET
AV2_L_IN
470K
R556
FHD
100pF
50V
C527
FHD
+3.3V
47pF
50V
50V
C525
FHD
4.7K
R558
FHD
10K
R561
FHD
AMOTECH
30V
D526
FHD
12K
R563
FHD
75
R554
FHD
AV2_CVBS_IN
0 . 1 u F
16V
16V
C524
FHD
AV2_R_IN
10K
R562
FHD
AMOTECH
5.6V
D525
FHD
AMOTECH
5.6V
D528
FHD
0
R552
FHD
2.2K
R539
2.2K
R538
18pF
50V
C514
18pF
50V
C513
10K
R541
100
R544
0 . 1 u F
16V
C512
USB DOWN STREAM
KJA-UB-4-0004
P502
1
2
3
4
5
0
R567
OPT
15K
R503
15K
R504
10K
R505
10K
R506
IR_OUT
0 0 1 : A J 2 6
P P J 2 2 8 - 0 1
JK502
9A
[GN]E-LUG
4A
[GN]O-SPRING-S
3A [GN]CONTACT-S
9C
[RD]E-LUG_1
8C
[RD]C-LUG-S
9D
[WH]E-LUG
8D
[WH]C-LUG-S
9E
[RD]E-LUG_2
4E
[RD]O-SPRING-S
3E
[RD]CONTACT-S
5F
[YL]O-SPRING-L
6F
[YL]CONTACT-L
7G
[WH]C-LUG-L
5H
[RD]O-SPRING-L
6H
[RD]CONTACT-L
9B
[BL]E-LUG
8B
[BL]C-LUG-S
MIC2019YM6
EAN60223701
IC503
3
ENABLE
2
GND
4
FAULT
1
VIN
6
VOUT
5
ILIMIT
NL17SZ00DFT2G
IC500
3
GND
2
B
4
Y
1
A
5
VCC
SPDIF_OUT
0 . 1 u F
16V
16V
C500
0 . 1 u F
16V
16V
C532
100pF
50V
50V
C516
0
OPT
R574
+5V_GENERAL
+3.3V
1K
OPT
R572
4.7K
R500
Fiber Optic
JST1223-001
JK503
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
ADMC5M03200L_AMODIODE
OPT
D500
1/16W
22
5%
R571
+3.3V
0
OPT
R547
0
R573
75
1%
R537
75
1%
R535
75
1%
R536
PC AUDIO
RS232C
5 1 1
INTERFACE
[ P C ]
Side USB
DEVELOPE
AV2(SIDE)
Component and AV(CVBS)
F H D O p t i o n h a s b e e n a p p l i e d t o t h i s b l o c k
SIDE AV-IN_Only LH30
EAX60838501_MERCURY
Taiwan_LH20/LH30
EAX60838501
2 0 0 9 . 0 2 . 1 0
SPDIF OPTIC JACK
INTERFACE
LGE Use Only
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