Read LG 42SL80YD-CA (CHASSIS:LC91T) Service Manual online
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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.
INTERFACE_1
DSUB_B
2:E19
ISP_RXD
PC_L_IN
2:S16
IC403
MAX3232CDR
3
C
1
-
2
V
+
4
C
2
+
1
C
1
+
6
V
-
5
C
2
-
7
D
O
U
T
2
8
R
I
N
2
9
R
O
U
T
2
1
0
D
I
N
2
1
1
D
I
N
1
1
2
R
O
U
T
1
1
3
R
I
N
1
1
4
D
O
U
T
1
1
5
G
N
D
1
6
V
C
C
DSUB_G
2:E19
DSUB_R
2:E18
DBG_TX
DBG_RX
ISP_TXD
+5V_ST
+5V_ST
+3.3V
PC_R_IN
2:S16
DSUB_HSYNC
2:E18
DSUB_VSYNC
2:E18
DSUB_DET
EDID_WP
1:AJ19
R412
10K
R416
100
D400
ENKMC2838-T112
A1
C
A2
+5V_ST
C402
18pF
50V
C401
18pF
18pF
50V
+5V_GENERAL
+5V_GENERAL
JK403
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
SPDIF_OUT
2:X18
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
D413
30V
AMOTECH
D414
30V
AMOTECH
D415
30V
AMOTECH
D416
30V
AMOTECH
D417
30V
AMOTECH
D423
30V
ADUC30S03010L_AMODIODE
OPT
D424
30V
ADUC30S03010L_AMODIODE
OPT
D418
5.6V
OPT
AMOTECH
D419
5.6V
OPT
AMOTECH
D420
5.6V
OPT
AMOTECH
D421
5.6V
OPT
AMOTECH
D422
5.6V
OPT
AMOTECH
ZD403
AMOTECH
OPT
JK405
KJA-UB-4-0004
1
2
3
4
5
IR_OUT
R461
0
OPT
USB_CTL
1:AI26
+5V_USB_SIDE
USB_OCD
1:AI14
C403
0.1uF
R458
6.2K
R457
6.2K
R456
0
0
R455
0
0
R446
0
OPT
C431
0.1uF
16V
0.1uF
16V
C421
0.1uF
0.1uF
16V
C405
0.1uF
C406
0.1uF
16V
0.1uF
16V
C400
0.1uF
16V
C422
100pF
50V
C424
100pF
50V
R420
10K
R448
1K
R462
1K
OPT
R444
22
22
R445
22
C427
220pF
50V
C426
220pF
50V
R447
4.7K
R403
47
47
R450
470K
470K
R449
470K
470K
R442
75
R443
75
R441
75
C419
OPT
C420
OPT
C418
OPT
R452
15K
15K
R451
15K
15K
R454
10K
R453
10K
C407
100uF
IC402
MP6211DH
3
IN_2
2
IN_1
4
EN
1
GND
5
FLAG
6
OUT_1
7
OUT_2
8
OUT_3
C1833
68pF
50V
68pF
50V
C1834
68pF
50V
68pF
50V
R440
68
R437
68
R406
4.7K
4.7K
R404
4.7K
4.7K
C428
0.33uF
16V
0.33uF
16V
C425
0.33uF
16V
C429
0.33uF
16V
0.33uF
16V
C430
0.047uF
25V
R418
22
C408
100pF
50V
JK404
SPG09-DB-010
1
R
E
D
2
G
R
E
E
N
3
B
L
U
E
4
G
N
D
_
1
5
D
D
C
_
G
N
D
6
R
E
D
_
G
N
D
7
G
R
E
E
N
_
G
N
D
8
B
L
U
E
_
G
N
D
9
N
C
1
0
S
Y
N
C
_
G
N
D
1
1
G
N
D
_
2
1
2
D
D
C
_
D
A
T
A
1
3
H
_
S
Y
N
C
1
4
V
_
S
Y
N
C
1
5
D
D
C
_
C
L
O
C
K
1
6
S
H
I
L
E
D
JK406
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
JK401
PEJ027-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
R460
100
R459
100
L402
BLM18PG600SN1D
L400
BLM18PG600SN1D
L401
BLM18PG600SN1D
4 13
INTERFACE_1
2009. 1.15.
EAX60737402
PC RGB
RS232C
PC AUDIO
SPDIF OUT
SIDE_USB
Close to JK405
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