LG 60PB5600 Service Manual page 24

+1.15V_Normal & +5V_USB with OCP
R905
100K
READY
C900
100pF
50V
EN
C901
+3.3V
R902 4700pF
4.7K 50V
COMP
READY SS
R903
0
ROSC
READY
READY
EN_SW2
R900
R901
4.7K
4.7K
EN_SW1
USB1_CTL
+5V
MHL_OCP_EN_OLD
R904 R906
10K 10K
R918
10K
/VBUS_EN
(Active Low)
R919
10K
MHL_OCP_EN
(Active High)
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2014 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+5V
C902 C903
10uF 10uF
16V
+5V
C905 L900
0.047uF
4.7uH
25V
BST
1 18
THERMAL
R1
LX_2
25
2 17
C907
R913
LX_1 2.6K 470pF
3 16
50V
1%
FB
IC900
4 15
R2
TPS65282REGR
SW_IN_2
5 14
4A R914
SW_IN_1 5.6K
1%
6 13
C906
10uF
+5V_USB 10V
R909 AVDD5V_MHL
5V_HDMI_3
15K
1%
R912
D901
MBR230LSFT1G 10
30V
C904
READY
R910 10uF
100K 10V
Vout=0.8*(1+R1/R2)
+3.3V
R917 R920
2.7K 10K
Q901
C
E
MHL_OCP_EN_OLD
Q900
C
B
R922
B
20K
R921
E
10K
Q902
C
B
E
+1.10V
C909 C908
22uF 10uF
10V 10V
L14 2013-08-06
9
Dual DC DC
10
LGE Internal Use Only