42SL8000-ZB, 42SL8500-ZA (CHASSIS:LD91K) - LG TV Service Manual (repair manual). Page 41

Read LG 42SL8000-ZB / 42SL8500-ZA (CHASSIS:LD91K) Service Manual online

U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
F
i
b
e
r
 
O
p
t
i
c
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.
INTERFACE
C403
0.1uF
16V
R414
10K
C426
220pF
50V
C430
0.047uF
25V
R452
15K
C400
0.1uF
16V
R410
470K
R459
100
@maker
C407
10uF
10V
C401
18pF
50V
R453
10K
R451
15K
+3.3V
COMP_L_IN
002:S16
C418
OPT
DSUB_B
002:E19
D408
30V
AMOTECH
R449
470K
AV_CVBS_IN
D403
30V
AMOTECH
D418
5.6V
ADMC5M03200L_AMODIODE
OPT
+5V_ST
R440
0
D416
30V
ADUC30S03010L_AMODIODE 
D410
5.6V
AMOTECH
D422
5.6V
OPT
AMOTECH
C413
100pF
50V
R427
75
D425
5.6V
CDS3C05HDMI1
R419
0
R458
6.2K
C431
0.1uF
16V
R417
12K
R409
1K
PC_L_IN
002:S16
R445
22
COMP_Y
002:E20
COMP_R_IN
002:S16
R428
75
R444
22
R401
4.7K
AV_R_IN
DBG_RX
D420
5.6V
ADMC5M03200L_AMODIODE
OPT
R416
100
R450
470K
D423
30V
ADUC30S03010L_AMODIODE 
OPT
USB_OCD
001:AI14
R430
470K
R431
10K
R447
4.7K
C424
100pF
50V
R413
10K
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
R426
75
C425
0.33uF
16V
R400
0
+3.3V
DBG_TX
R404
2.2K
D409
30V
AMOTECH
ISP_TXD
SIDE_USB_DM
001:AK8
D407
30V
AMOTECH
C402
18pF
50V
R456
0
C429
0.33uF
16V
R432
10K
IR_OUT
R418
4.7K
D415
30V
ADUC30S03010L_AMODIODE 
R436
0
R446
0
OPT
D411
5.6V
AMOTECH
R433
12K
D424
30V
ADUC30S03010L_AMODIODE 
OPT
C422
100pF
50V
D406
30V
AMOTECH
R403
47
R435
0
EDID_WP
001:AJ19;006:AI8;006:AL3;006:AL13;006:AL18
COMP_Pr
002:E20
D413
30V
C404
0.1uF
16V
R434
12K
+3.3V
R460
100
R412
10K
C417
1000pF
50V
D417
30V
ADUC30S03010L_AMODIODE 
PC_R_IN
002:S16
D426
5.6V
CDS3C05HDMI1
AV_L_IN
+5V_ST
C412
100pF
50V
DSUB_DET
AV_CVBS_DET
DSUB_HSYNC
002:E18
C428
0.33uF
16V
IC400
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R437
0
C415
1000pF
50V
ISP_RXD
R429
470K
DSUB_VSYNC
002:E18
D404
5.6V
AMOTECH
R406
2.2K
D419
5.6V
ADMC5M03200L_AMODIODE
OPT
R457
6.2K
R415
12K
C421
0.1uF
16V
JK405
KJA-UB-4-0004
1
2
3
4
5
C419
OPT
D412
5.6V
AMOTECH
R448
1K
C414
47pF
50V
D421
5.6V
OPT
AMOTECH
R411
75
1%
R420
10K
DSUB_G
002:E19
+5V_ST
COMP_DET
001:AA22
R425
1K
C427
220pF
50V
R408
470K
R455
0
C420
OPT
DSUB_R
002:E18
D400
ENKMC2838-T112
A1
C
A2
R454
10K
D405
5.6V
AMOTECH
COMP_Pb
002:E20
SIDE_USB_DP
001:AK8
D414
30V
ADUC30S03010L_AMODIODE 
C408
100pF
50V
IC404
NL17SZ00DFT2G
3
GND
2
B
4
Y
1
A
5
VCC
C406
0.1uF
16V
R464
0
1/16W
ZD403
OPT
ADMC5M03200L_AMODIODE
R465
22
R466
0
+3.3V
SPDIF_OUT
002:X18
R467
0
OPT
JK403
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
R462
1K
OPT
+5V_GENERAL
R463
22
OPT
+5V_EXT
C409
10uF
10V
C410
22uF
16V
+5V_GENERAL
P400
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
P401
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
R443
75
1%
R442
75
1%
R441
75
1%
P402
12507WS-08L
1
2
3
4
5
6
7
8
9
JK400
PPJ-230-01
9
10
8
7
6
5
4
11
FIX-TER
13
[RD]MONO
R468
0
L401
MLB-201209-0120P-N2
L400
MLB-201209-0120P-N2
120-ohm
IC401
MIC2009YM6-TR 
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
R469
180
USB_CTL
4    12
INTERFACE
EAX60890803
COMPONENT
PC AUDIO
To SIDE AV BOARD
RS232C
Side USB
[ PC ]
   2009.06.10
SPDIF OPTIC JACK
Display
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