LG 79UB980T-TA Service Manual page 42

Center speaker for 79UB98, UC9
Option name : 79UB98&UC9
DUAL COMPONENT
Q1801 1ST : 0TRIY80001A 2ND : 0TR387500AA
+24V +24V_AMP_SURROUND
L5400
UBW2012-121F
From DACLRCH AUD_LRCH
AUD_LRCK
AUD_SCK
R5402
100
I2C_SDA1
R5403
100
I2C_SCL1
C5401
33pF
50V
WOOFER_MUTE
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
R5404-*1
3K
84/98UB98_5AMP_RESET_PULLDOWN
R5404-*2
1.5K
UC9_6AMP_RESET_PULLDOWN
+3.3V_NORMAL
R5401
AMP_RESET_N 100
C5426
R5404
1/16W
L5401 1000pF
4.7K
50V
BLM18PG121SN1D
79UB98_4AMP_RESET_PULLDOWN
AUD_MASTER_CLK
C5425
C5405
10uF
0.1uF
10V
16V
NC_1
1
VDD_PLL
2
THERMAL
NC_2
3
C5403
1uF
GND
10V 4
NC_3
5
C5404
DVDD
1uF
6
10V
SDATA
7
WCK
8
BCK
9
SDA
10
C5402
33pF
50V
+24V_AMP_SURROUND
C5408
C5400
10uF 0.1uF
50V
35V
OUT1B
30
PGND1B
29
C5410
22000pF
BST1B
28 50V
41
VDR1
27
NC_4
IC5400 26
AGND
NTP7514 25
VDR2
24
0x54
BST2A
23
PGND2A
22 C5411
22000pF
OUT2A 50V
21
+24V_AMP_SURROUND
C5424
C5409
0.1uF
50V
10uF
35V
C5407
22000pF
50V
L5402
10.0uH
NRS6045T100MMGK
R5405
5.6
1/10W
C5414
390pF
50V
C5415
390pF
50V
R5406
5.6
1/10W
L5405
10.0uH
NRS6045T100MMGK
C5412 C5413
1uF 1uF
10V 10V
L5403
10.0uH
NRS6045T100MMGK
R5407
5.6
1/10W
C5416
390pF
50V
C5417
390pF
50V
R5408
5.6
L5404
1/10W
10.0uH
NRS6045T100MMGK
S_SPK_L+
R5409
C5420
0.1uF
4.7K
50V
C5418
CENTER_L
0.47uF
50V
C5421 R5410
0.1uF
50V 4.7K
S_SPK_L-
S_SPK_R+
C5422 R5411
0.1uF 4.7K
C5419 50V
0.47uF
50V CENTER_R
C5423 R5412
0.1uF 4.7K
50V
S_SPK_R-
WAFER-ANGLE
S_SPK_L+
4
S_SPK_L-
3
S_SPK_R+
2
S_SPK_R-
1
P5400
BSD-14Y-UD-054-HD
2013.12.17
LGE Internal Use Only