LG 42LA86 Series Service Manual page 40

Chassis : ld34d
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WOOFER
R5700
0
GND-4
Separate DGND AND AVSS
+24V_AMP_WOOFER
+24V
WOOFER_NON_OLED
WOOFER_OLED
L5700
L5707
UBW2012-121F
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
+12V
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
10uF
0.1uF
WOOFER
WOOFER
MCLK
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
SDA
10V
C5707
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
WOOFER
330pF
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
41
NC_4
50V
NC_3
40
0.033uF
OUT_C
39
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
C5717
0.033uF
50V
WOOFER
SPK_WOOFER_R-
SPK_WOOFER_R+
SPK_WOOFER_L-
SPK_WOOFER_L+
WOOFER
Close to Speaker
NRS6045T100MMGK
L5704
10.0uH
WOOFER
WOOFER
C5732
0.1uF
50V
WOOFER
C5730
0.47uF
50V
WOOFER
C5733
0.1uF
50V
WOOFER
L5706
10.0uH
NRS6045T100MMGK
NRS6045T100MMGK
L5703
10.0uH
WOOFER_STEREO
WOOFER_STEREO
WOOFER_STEREO
C5734
0.1uF
50V
WOOFER_STEREO
C5731
0.47uF
50V
WOOFER_STEREO
C5735
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+
C5736
2200pF
50V
WOOFER_L
WOOFER
C5737
2200pF
50V
SPK_WOOFER_L-
SPK_WOOFER_R+
C5738
2200pF
WOOFER_R
50V
WOOFER_STEREO
C5739
2200pF
50V
SPK_WOOFER_R-
2011.11.21
58
LGE Internal Use Only

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