42LH260H (CHASSIS:LA96B) - LG TV Service Manual (repair manual). Page 28

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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.
AMP
SIGN68
SIGN69
SIGN73
SIGN75
SIGN76
SIGN85
SIGN88
SIGN89
SIGN91
SIGN97
SIGN102
+24V_AMP
+24V_AMP
L611
120-ohm
L603
MLB-201209-0120P-N2
D604
100V
OPT
SPK_L-
003:AD14
R608
100
AMP_RST
008:AB21
R606
100
C633
0.47uF
50V
R616
5.6
C629
1000pF
50V
0.1uF
C620
50V
R620
4.7K
C630
1000pF
50V
0.01uF
C639
50V
C622
1uF
16V
AUDIO_MASTER_CLK
008:V26
C607
1000pF
50V
R602
3.3K
MS_SCK
008:V26
D602
100V
OPT
C634
0.47uF
50V
0.1uF
C608
R600
0
R617
4.7K
C614
22000pF
50V
R609
33K
OPT
+3.3V
R622
3.3
C632
1000pF
50V
L608
120-ohm
SPK_R-
003:AD9
C606
1000pF
50V
SPK_R- 003:AK12
+1.8V_AMP
C610
10uF
10V
SPK_L- 003:AK13
R615
5.6
SDA_SUB/AMP
008:AI4;010:B8
Q600
2SC3052
E
B
C
C616
33pF
50V
OPT
C604
100pF
50V
0.1uF
C636
50V
0.1uF
C637
50V
R613
5.6
MS_LRCK
008:V26
SPK_R+ 003:AK12
SCL_SUB/AMP
008:AI4;010:B10
L607
DA-8580
EAP38319001
2S
1S
1F
2F
R624
3.3
R607
100
0.01uF
C615
50V
D603
100V
OPT
L609
120-ohm
C611
1uF
10V
C631
1000pF
50V
R604
100
R605
100
0.1uF
C638
50V
R611
10K
0.01uF
C640
50V
C619
1uF
16V
0.1uF
C627
50V
R619
4.7K
R603
0
SPK_L+
003:AD16
C617
1uF
10V
D601
100V
OPT
C623
22000pF
50V
0.01uF
C642
50V
0.01uF
C641
50V
R601
100
R614
5.6
C624
22000pF
50V
MS_LRCH
008:V26
SPK_R+
003:AD12
R618
4.7K
R610
0
0.1uF
C635
50V
R612
10K
+1.8V_AMP
+24V_AMP
L610
120-ohm
C618
22000pF
50V
L606
DA-8580
EAP38319001
2S
1S
1F
2F
L604
MLB-201209-0120P-N2
P600
WAFER-ANGLE
1
2
3
4
R621
3.3
C609
33pF
50V
SPK_L+
003:AK13
+1.8V_AMP
R623
3.3
C612
33pF
50V
AMP_MUTE
008:C13
L605
MLB-201209-0120P-N2
L602
CB3216PA501E
R625
3.3
R626
3.3
+3.3V_ST
0.01uF
C643
C644
0.01uF
50V
C645
0.1uF
50V
C601
0.1uF
16V
C605
0.1uF
16V
0.1uF
C613
16V
0.01uF
C626
50V
0.1uF
C625
50V
POWER_DET
C602
68uF
C628
68uF
IC601
AZ1117H-1.8TRE1(EH13A)
2
OUTPUT
3
INPUT
1
ADJ/GND
C648
0.1uF
16V
C649
22uF
16V
+1.8V_AMP
C646
22uF
16V
+3.3V
C647
0.1uF
16V
GND
C600
10uF
16V
C603
10uF
16V
IC600
NTP-3100L
EAN60664001
1
BST1A
2
VDR1A
3
RESET
4
AD
5
DVSS_1
6
VSS_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LFM
12
AVDD_PLL
13
DVDD_PLL
14
TEST0
15
DVSS_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
+24V_AUDIO
R2223
10K
EXT_SPK_L-
003:P20
R2236
6.8K
OPT
R2227
1.6K
R2226
390
R2225
1K
R2234
3.3K
Q1103
2SC3875S(ALY)
E
B
C
R2242
4.7K
C2140
10uF
6.3V
C2142
1uF
10V
R2240
4.7K
R2237
100
R2232
100
JK300
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
R2250
0
EXT_SPK
008:V28
+5V_GENERAL
IC300
TPA6011A4PWPRG4
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
R2230
OPT
R2233
1K
SUB_MUTE
008:AB19;003:AC20
C2149
1uF
10V
OPT
R2224
3K
C2144
0.1uF
C2145
1uF
50V
+5V_GENERAL
R2231
0
R2229
OPT
EXT_SPK_L+
003:AF24
R2251
0
Q1104
2SA1530A-T112-1R
E
B
C
C2141
0.1uF
OPT
C2139
15pF
50V
C2148
1uF
10V
OPT
R2239
9.1K
Q1105
2SC3052
E
B
C
C2143
10uF
16V
R2235
OPT
R2238
OPT
EXT_SPK_L-
003:AF24
SUB_MUTE
008:AB19;003:Z25
R2228
1K
EXT_SPK_L+
003:W20
R627
47K
L300
CB3216PA501E
Audio Amp
3  14
Mstar Application
SPEAKER_R
SPEAKER_L
EXTERNAL SPEAKER OUT
+1.8V_AMP & +24V_AMP
NTP3100L
37LH250H
09.05.19
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