Read LG 50PT490B-SA / 50PT490B-SD (CHASSIS:PB11K) 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.
USB1_DM_to_MAIN
+3.3V
R1129
10K
SIDE USB
D1101
5.6V
CDS3C05HDMI1
READY
C1116
100uF
16V
16V
SIDE USB
R1145
22
SIDE USB
JP1103
JP1102
JP1101
D1100
5.6V
CDS3C05HDMI1
READY
R1124
22
SIDE USB
J
K
1
1
0
2
3
A
U
0
4
S
-
3
0
5
-
Z
C
-
(
L
G
)
1
2
3
4
5
IC1101
AP2191SG-13
SIDE USB
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
+5V
C1122
10uF
16V
10uF
16V
SIDE USB
USB1_DP_to_MAIN
+USB1_CTL
C1121
0.1uF
16V
SVC USB
USB2_DM_to_MAIN
+3.3V
+5V
+USB1_OCD
L1100
MLB-201209-0120P-N2
0LCML00003B
SVC USB
R1141
10K
READY
C1120
0.1uF
16V
SIDE USB
USB2_DP_to_MAIN
D1102
5.6V
CDS3C05HDMI1
READY
JK1100
KJA-UB-0-0037
SVC USB
1
2
3
4
5
D1103
5.6V
CDS3C05HDMI1
READY
11 14
SIDE / SVC USB
$0.11
USB2 REAR(SVC)
USB1 SIDE
Capacitors on VBUSA should be
placed as closd to connector as possible.
placed as closd to connector as possible.
SWITCH ADDED
EAX63425902(3)
10mm
2010.10.21
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