LG 55LM860V Service Manual page 53

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+1.5V_DDR
LG1152 for 1.0V
+1.0VDC
+1.0VDC
**NON UD Model
LG1132 DDR = 668Mhz
LG1152 1.0V ==> IC2306
LG1132 1.0V ==> IC2306
**UD Model
LG1132 DDR = 792Mhz
LG1152 1.0V ==> IC2501
LG1132 1.1V ==> IC2306
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.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+1.5V_LG1132
L9500
BLM18PG121SN1D
+1.0V_VDD
Max 2000 mA
NON_UD
CIC21J501NE
L9502
3D-Depth Analog for 2.5V
+2.5V
IC9500
AP7173-SPG-13 HF(DIODES)
+3.3V_NORMAL
IN
1
8
PG
2
7
+5V_USB
VCC
3
6
1.5A
C9500
R9500
10uF
EN
10K
10V
4
5
Place near USB JACK
Vout=0.8*(1+R1/R2)
L9 CORE for 1.0V
(UD Model only / LG1132 DDR=792Mh)
+12V
READY
L9501
BLM18PG121SN1D
C9502
10uF
UD
16V
R9504
POWER_ON/OFF2_3
10K
UD
1%
R1
UD
R9503
11K
C9503
100pF
50V
UD
R9505
R2
33K
C9504
1uF
1%
10V
Switching freq: 700K
+2.5V_LG1132
Max 600 mA
[EP]
OUT
FB
R9502
R1
4.3K
SS
1%
C9513
C9514
10uF
0.1uF
GND
16V
C9501
10V
R9501
2200pF
2K
50V
1%
R2
Max 2000 mA
+1.0V_VDD
IC9501
TPS54327DDAR
[EP]GND
EN
VIN
1
8
16V
0.1uF
C9506
VFB
VBST
2
7
L9503
UD
3.6uH
VREG5
SW
3
6
UD
SS
GND
C9507
3A
4
5
22uF
10V
UD
C9505
3300pF
50V
UD
Vout=0.765*(1+R1/R2)
LG1132 Power
LG1132 POWER
OPT
C9508
22uF
10V
2011. 06. 28
LGE Internal Use Only

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