LG 79UB980T-TA Service Manual page 45

UB98/UC9 only
Woofer speaker(PBTL) for 84/98UB98, UC9
Option name : 84/98UB98&UC9
+24V_AMP_WOOFER_L
+24V
L5700
UBW2012-121F
From DACLRCH AUD_LRCH
AUD_LRCK
AUD_SCK
R5700
100
I2C_SDA1
R5701
100
I2C_SCL1
C5700
33pF
50V
WOOFER_MUTE
-->For fixing AC-OFF POP noise 32"POLA/ROW model
-->32"POLA/ROW LPB's 3.5st drop time is very fast
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
+3.3V_NORMAL
R5708
AMP_RESET_N
100
C5721
1/16W
1000pF
L5701
50V
BLM18PG121SN1D
AUD_MASTER_CLK
C5720
C5704
10uF
0.1uF
10V
16V
NC_1
1
C5702
1uF
VDD_PLL
10V
2
THERMAL
NC_2
3
GND
4
NC_3
5
C5703
1uF
DVDD
10V
6
SDATA
7
WCK
8
BCK
9
SDA
10
C5701
33pF
50V
+3.3V_NORMAL
+24V_AMP_WOOFER_L
C5718
C5707
0.1uF
10uF 50V
35V
OUT1B
30
PGND1B
29
C5709
22000pF
BST1B
50V
41 28
VDR1
27
NC_4
IC5700 26
AGND
NTP7514 25
VDR2
24
0x56
BST2A
23
PGND2A
22 C5710
22000pF
50V
OUT2A
21
+24V_AMP_WOOFER_L
C5719
0.1uF
C5708
50V
10uF
35V
C5706
22000pF
50V
R5707
0
I2S_OUT3 I2S_WOOFER
84/98UB98&UC9_I2S_OUT
R5703
5.6
1/10W
L5702
10uH
C5712
SP-7850_10
390pF
50V
L5703
10uH
C5713
390pF
50V SP-7850_10
R5704
5.6
1/10W
C5711 C5714
1uF 1uF
10V 10V
SPK_WOOFER_L+
R5705
C5716
0.1uF
4.7K
50V
C5715
0.47uF
50V WOOFER_L
C5717
0.1uF R5706
50V
4.7K
SPK_WOOFER_L-
WAFER-ANGLE
SPK_WOOFER_L+
4
SPK_WOOFER_L-
3
SPK_WOOFER_R+
2
SPK_WOOFER_R-
1
P5700
BSD-14Y-UD-057-01-HD
2013.12.17
LGE Internal Use Only