LG 65UH8500 Service Manual page 71

AMP - Center(Upper 75")
Woofer(Below 65")
Tweeter(EH92)
Option Description
1. SDATA_TWEETER : Use the AMP for Tweeter
(EH92)
2. SDATA_WOOFER/CENTER :
Use this AMP for Center (upper 75inch model)
or Woofer STEREO (below 65 inch model)
A13V +13V_AMP_CENTER
L5405
UBW2012-121F
Close to IC5400
SDATA_TWEETER
R5411 0
AUD_LRCH_TW
SDATA_WOOFER/CENTER
R5410 0
AUD_LRCH
AUD_LRCK
AR5400
100
1/16W
I2C_SDA0
I2C_SCL0
C5400
33pF
50V
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
+3.3V_NORMAL
AMP_RESET_N
L5400
BLM18PG121SN1D
AUD_SCK
C5404
0.1uF
C5423
16V
10uF
10V
NC_1
1
VDD_PLL
2
THERMAL
NC_2
3
C5402
1uF
GND
10V 4
NC_3
5
C5403
DVDD
1uF
6
10V
SDATA
7
WCK
8
NC_4
9
SDA
10
C5401
33pF
50V
+3.3V_NORMAL
+13V_AMP_CENTER
C5407
10uF
35V
OUT1B
30
PGND1B
29
C5409
22000pF
BST1B
28 50V
41
VDR1
27
EAN62886102
NC_5
IC5400 26
AGND
NTP7515 25
VDR2
24
0x56
BST2A
23
PGND2A
22 C5410
22000pF
OUT2A 50V
21
+13V_AMP_CENTER
C5408
10uF
35V
C5406
22000pF
50V
L5401
10.0uH
NRS6045T100MMGK
R5401
3.3
1/10W
C5413
390pF
50V
C5414
390pF
50V
R5402
3.3
1/10W
L5402
10.0uH
NRS6045T100MMGK
C5411 C5412
1uF 1uF
10V 10V
L5403
10.0uH
NRS6045T100MMGK
R5403
3.3
1/10W
C5415
390pF
50V
C5416
390pF
50V
R5404
3.3
L5404
1/10W
10.0uH
NRS6045T100MMGK
AMP_CENTER/WOOFER
SPK_L+_CT
R5405
C5419
0.1uF
4.7K
50V
C5417
SPEAKER_L_CENTER
0.47uF
50V
C5420 R5406
0.1uF
50V 4.7K
SPK_L-_CT
SPK_R+_CT
C5421 R5407
0.1uF 4.7K
C5418
50V SPEAKER_R_CENTER
0.47uF
50V
C5422 R5408
0.1uF 4.7K
50V
SPK_R-_CT
M16 2015.06.27
54 99
LGE Internal Use Only