LG 47LA790V Service Manual page 39

WOOFER
R5700
0
GND-4
Separate DGND AND AVSS
+24V_AMP_WOOFER
+24V
WOOFER
L5700
UBW2012-121F
WOOFER
C5701
0.1uF
50V
WOOFER
R5701
WOOFER_MUTE
WOOFER
100
C5702
1000pF
50V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
This parts are Located
on AVSS area.
GND-4
WOOFER
C5709 4700pF
WOOFER
WOOFER
C5708
R5707
+3.3V_NORMAL
470
0.047uF
L5701
BLM18PG121SN1D
AVDD
13
C5703 C5704 R5706 15K A_SEL_FAULT
14
WOOFER 10uF 0.1uF
MCLK
WOOFER
15
10V 16V
18K
WOOFER OSC_RES
16
1% DVSSO
R5705 17
WOOFER
VR_DIG
AUD_MASTER_CLK 18
PDN
19
LRCLK
20
C5705 SCLK
21
WOOFER
SDIN
22
4.7uF
10V C5707 SDA
23
0.1uF
SCL
24
WOOFER
AUD_LRCK
AUD_SCK
AUD_LRCH
33 R5703 WOOFER
I2C_SDA1
33 R5704
WOOFER
I2C_SCL1
WOOFER
33 R5702
AMP_RESET_N
+3.3V_NORMAL
WOOFER WOOFER
C5706
L5702
0.1uF
BLM18PG121SN1D
16V
C5710
0.1uF
16V
WOOFER
WOOFER
+24V_AMP_WOOFER
R5713
18
WOOFER
C5728
330pF
WOOFER WOOFER
C5720
C5718 C5722 50V
10uF
0.1uF 10uF
35V
50V 35V
WOOFER
WOOFER
C5729
330pF
50V
[EP]
R5714
PGND_AB_2
48 18
WOOFER
PGND_AB_1
47
OUT_B
46
WOOFER
NC_6
45
50V
NC_5 0.033uF
44
C5724
BST_B
43
BST_C
42
WOOFER
NC_4
41
50V
NC_3
40
0.033uF
39 OUT_C C5725
PGND_CD_2
38
PGND_CD_1
37
WOOFER_STEREO
C5726
330pF
+24V_AMP_WOOFER
50V
WOOFER_STEREO
C5727
C5714
WOOFER_STEREO
330pF
0.1uF
50V
WOOFER
C5719 C5721 C5723
0.1uF 10uF 10uF
50V 35V 35V
WOOFER
WOOFER_STEREO
0.033uF
C5717
50V
WOOFER
SPK_WOOFER_R-
SPK_WOOFER_R+
SPK_WOOFER_L-
SPK_WOOFER_L+
WOOFER
Close to Speaker
NRS6045T100MMGK
L5704
10.0uH
WOOFER
WOOFER
C5736
C5732
0.1uF 2200pF
50V
50V
WOOFER
C5730
0.47uF
50V
WOOFER
WOOFER C5737
C5733 2200pF
0.1uF
50V
WOOFER
L5706
10.0uH
NRS6045T100MMGK
NRS6045T100MMGK
L5703
10.0uH
WOOFER_STEREO
WOOFER_STEREO
WOOFER_STEREO
C5734
C5738
0.1uF
2200pF
50V
50V
WOOFER_STEREO
C5731
0.47uF
WOOFER_STEREO
50V WOOFER_STEREO
C5739
C5735
2200pF
0.1uF
50V
L5705
10.0uH
NRS6045T100MMGK
WOOFER_STEREO
P5700
FW25003_03
1
2
3
DEV_WOOFER_STEREO
GP4_MT5369
AUDIO[ST]
P5701
FW25001-02(SPK 2P)
WOOFER
1
2
SPK_WOOFER_L+
WOOFER_L
50V
SPK_WOOFER_L-
SPK_WOOFER_R+
WOOFER_R
50V
SPK_WOOFER_R-
2011.11.21
58
LGE Internal Use Only