LG 65UG8709 Service Manual page 67

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TCON_PWR_5pin_Wafer
P7203
20037WR-05A00
T-con power
1
2
TCON_PWR_5pin_Wafer
3
L7201
MLB-201209-0120P-N2
4
TCON_PWR_5pin_Wafer
5
L7202
MLB-201209-0120P-N2
6
C7202
C7203
C7204
10uF
0.1uF
10uF
25V
25V
25V
OPT
TCON_PWR_5pin_Wafer
TCON_PWR_5pin_Wafer
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 © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+12V
+1.5V URSA DDR
L13411
BLM18PG121SN1D
C13443
C13410
10uF
0.1uF
PANEL_VCC
16V
R13421
R13422
R1
18K
4.7K
C7205
1%
1%
0.1uF
25V
C13444
TCON_PWR_5pin_Wafer
330pF
50V
R13423
22K
1%
R2
Vout=0.765*(1+R1/R2)=1.516V
+1.5V_U_DDR
POWER_ON/OFF2_1
R13425
390K
IC13403
R13424
BD9D321EFJ
[EP]
10K
EN
VIN
1
8
16V
0.1uF
C13447
FB
BOOT
2
7
L13412
2.2uH
VREG
SW
3
6
SS
GND
3A
C13448
C13449
4
5
ZD13401
22uF
22uF
2.5V
10V
10V
DCDC_DIODE
C13445
C13446
1uF
2200pF
10V
50V
+1.15V URSA9 Core
R13410
100
1/16W
1%
R13413
C13417
POWER_ON/OFF2_3
220K
1/10W
330pF
IC13408
5%
50V
MP8762HGLE-Z
LPBN8050T-1R0N
L13415
R13404
1.0uH
1K
EN
SW_2
1
16
OPT
C13400
FREQ
SW_1
R1
0.1uF
2
15
C13419
16V
22uF
10V
FB
IN_2
3
14
SS
PGND_4
R2
4
13
C13401
10A
0.033uF
50V
AGND
PGND_3
5
12
R13407
PG
PGND_2
100K
6
11
C13405
1/16W
1uF
1%
VCC
PGND_1
7
10
10V
L13420
BST
IN_1
8
9
C13414
C13416
10uF
10uF
R13409
C13411
33
25V
25V
Vout=0.611*(1+R1/R2)
1/16W
0.1uF
5%
16V
MAX 4.7A
+1.1V_U_VDDC
C13426
C13425
22uF
22uF
10V
10V
+12V
BSD-14Y-UD-134-HD
2013.12.17
LGE Internal Use Only

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