LG 79UB980T-TA Service Manual page 44

UB98/UC9 only
Front speaker
+24V +24V_AMP
L5600
UBW2012-121F
AUD_LRCH
From DACLRCH
AUD_LRCK
AUD_SCK
R5602
100
I2C_SDA2
R5603
100
I2C_SCL2
C5601
33pF
50V
+3.3V_NORMAL
R5601
10K
R5604
C 100
R5600 C5600
B
Q5600 1000pF
AMP_MUTE
MMBT3904(NXP)
10K 50V
E
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
R5613
AMP_RESET_N_1 100
L5601 C5627
1/16W
1000pF
BLM18PG121SN1D
50V
AUD_MASTER_CLK
C5626
C5605
10uF
0.1uF
10V
16V
NC_1
1
VDD_PLL
2
THERMAL
NC_2
3
C5603
1uF
GND
10V 4
NC_3
5
C5604
DVDD
1uF
6
10V
SDATA
7
WCK
8
BCK
9
SDA
10
C5602
33pF
50V
+24V_AMP
C5608 C5624
0.1uF
10uF
50V
35V
OUT1B
30
PGND1B
29
C5610
22000pF
BST1B
28 50V
41
VDR1
27
NC_4
IC5600 26
AGND
NTP7514 25
VDR2
24
0x54
BST2A
23
PGND2A
22 C5611
22000pF
OUT2A 50V
21
+24V_AMP
C5625
0.1uF
C5609
50V
10uF
35V
C5607
22000pF
50V
L5602
10uH
SP-7850_10
R5605
5.6
1/10W
C5614
390pF
50V
C5615
390pF
50V
R5606
5.6
1/10W
L5605
10uH
SP-7850_10
C5612 C5613
1uF 1uF
10V 10V
L5603
10uH
SP-7850_10
R5607
5.6
1/10W
C5616
390pF
50V
C5617
390pF
50V
R5608
5.6
L5604
1/10W
10uH
SP-7850_10
SPK_L+
R5609
C5620
0.1uF
4.7K
50V
C5618
0.47uF
50V
C5621 R5610
SPEAKER_L
0.1uF
50V 4.7K
SPK_L-
SPK_R+
C5622 R5611
0.1uF 4.7K
C5619 50V
0.47uF
50V SPEAKER_R
C5623 R5612
0.1uF 4.7K
50V
SPK_R-
C_SPK_L+
12
C_SPK_L-
11
C_SPK_R+
10
C_SPK_R-
9
SPK_L+
8
SPK_L-
7
SPK_R+
6
SPK_R-
5
H_SPK_L+
4
H_SPK_L-
3
H_SPK_R+
2
H_SPK_R-
1
SMAW250-12
P5600
BSD-14Y-UD-056-01-HD
2013.12.17
LGE Internal Use Only