Ntp_Amp_Front - LG 65UH8500 Service Manual

NTP_AMP_Front

A13V +13V_AMP_FRONT
L5305
UBW2012-121F
AR5300
100
I2C_SDA0
I2C_SCL0
1/16W
+3.3V_NORMAL
R5301
10K
C
R5300
B
AMP_MUTE
10K Q5300
E
MMBT3904(NXP)
POWER_DET
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 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
AMP_RESET_N
AUD_SCK
+3.3V_NORMAL
L5300
BLM18PG121SN1D
C5324 C5302
10uF 0.1uF
10V 16V
NC_1
1
VDD_PLL
C5303
2
1uF 10V
NC_2
3
GND
4
NC_3
5
DVDD
C5304
6
1uF 10V
SDATA
7
AUD_LRCH
WCK
8
AUD_LRCK
NC_4
9
SDA
10
C5300 C5301
33pF 33pF
50V 50V
R5303
100
C5305
1000pF
50V
OPT
R5302
100
WOOFER_MUTE
I2S_AMP
+13V_AMP_FRONT
C5308
10uF
35V
OUT1B
30
PGND1B
29
THERMAL
BST1B
28
41
VDR1
27
EAN62886102
IC5300
NC_5
26
AGND
25
NTP7515
VDR2
24
0x54
BST2A
23
PGND2A
22
OUT2A
21
+13V_AMP_FRONT
C5307
C5309
22000pF
50V 10uF
35V
L5301
10.0uH
NRS6045T100MMGK
R5304
3.3
1/10W
C5318 C5320
0.47uF 0.1uF
C5312 50V
50V
390pF
50V
C5313
390pF
50V
C5321
0.1uF
50V
R5305
3.3
1/10W L5302
10.0uH
NRS6045T100MMGK
C5314
22000pF
50V
C5310
1uF 10V
C5311
1uF 10V
C5315
22000pF
50V L5303
10.0uH
NRS6045T100MMGK
R5306
3.3
1/10W C5319 C5322
0.47uF
0.1uF
C5316
50V
50V
390pF
50V
C5317
390pF
50V
C5323
0.1uF
R5307
50V
3.3
1/10W L5304
10.0uH
NRS6045T100MMGK
M16
NTP AMP
SPK_L+_FT
R5308
4.7K
SPEAKER_L
R5309
4.7K
SPK_L-_FT
SPK_R+_FT
R5310
4.7K
SPEAKER_R
R5311
4.7K
SPK_R-_FT
053.sht
2015.02.24
20 26
LGE Internal Use Only