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LG 43UF77 ZD Series Service Manual page 51

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AMP - Woofer
+24V_AMP_WOOFER
+24V
Woofer_AMP
L5900
UBW2012-121F
AUD_LRCH
AUD_LRCK
Woofer_AMP
AR5900
100
1/16W
I2C_SDA4
I2C_SCL4
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 right reserved.
Only for training and service purposes
Woofer_AMP
+3.3V_NORMAL
R5910
AMP_RESET_N
100
1/16W
Woofer_AMP
R5911
L5901
Woofer_AMP
4.7K
BLM18PG121SN1D
AUD_SCK
Woofer_AMP
C5904
0.1uF
16V
NC_1
VDD_PLL
NC_2
Woofer_AMP
C5902
1uF
GND
10V
NC_3
Woofer_AMP
C5903
DVDD
1uF
10V
SDATA
WCK
NC_4
SDA
Woofer_AMP
Woofer_AMP
C5901
C5900
33pF
33pF
50V
50V
+3.3V_NORMAL
R5912
Woofer_AMP
4.7K
Woofer_AMP
C5923
1000pF
50V
+24V_AMP_WOOFER
Woofer_AMP
C5907
10uF
35V
OUT1B
1
30
PGND1B
2
29
THERMAL
BST1B
3
28
41
Woofer_AMP
VDR1
4
27
NC_5
5
IC5900
26
AGND
6
NTP7515
25
VDR2
7
24
0x56
BST2A
8
23
Woofer_AMP
PGND2A
9
22
OUT2A
10
21
+24V_AMP_WOOFER
Woofer_AMP
C5908
10uF
35V
C5906
22000pF
50V
Woofer_AMP
SM-6045-100
Woofer_GET_AMP_COIL
L5902-*1
10.0uH
L5902
10.0uH
Woofer_TAIYO_AMP_COIL
NRS6045T100MMGK
Woofer_AMP
R5902
3.3
1/10W
Woofer_AMP
C5913
390pF
50V
Woofer_AMP
C5914
390pF
50V
R5903
3.3
1/10W
Woofer_AMP
L5905
10.0uH
Woofer_TAIYO_AMP_COIL
NRS6045T100MMGK
C5909
22000pF
50V
SM-6045-100
Woofer_GET_AMP_COIL
L5905-*1
10.0uH
Woofer_AMP
Woofer_AMP
C5911
C5912
1uF
1uF
10V
10V
Woofer_AMP
C5910
22000pF
50V
Woofer_AMP
R5908
4.7K
Woofer_AMP
R5909
4.7K
SPK_L+_WF
Woofer_AMP
R5906
C5919
0.1uF
4.7K
50V
Woofer_AMP
C5917
0.47uF
50V
Woofer_AMP
C5920
R5907
SPEAKER_L_WOOFER
0.1uF
50V
4.7K
SPK_L-_WF
SMAW250-04
Woofer_Wafer_4P
P5900
WAFER-ANGLE
4
3
SPK_L+_WF
2
2
SPK_L-_WF
1
1
FW25001-02(SPK 2P)
P5901
Woofer_Wafer_2P
WAFER-ANGLE
BSD-15Y-LM14A-059_00-HD
LGE Internal Use Only

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