Read LG 26LG40 (CHASSIS:LA89D) Service Manual online
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.
R_SOUND_N
R_SOUND_P
L_SOUND_P
L_SOUND_N
TP529
TP527
100uF
16V
C555
USA
TP518
1K
R529
U SA
MONITOR_OUT_R
TP530
TP528
100uF
16V
C556
USA
1000pF
50V
C566
USA
TP517
TP519
TP520
TPA6110A2DGNRG4
IC502
USA
3
SHUTDOWN
2
GND
4
IN2-
1
BYPASS
5
VO2
6
VDD
7
VO1
8
IN1-
TP514
1K
R528
U SA
1000pF
50V
C565
USA
MONITOR_OUT_L
0.1uF
50V
C549
USA
1uF
2
5
V
C561
USA
1uF 25V
C539
USA
AUOUT_R
AUOUT_L
+5V_GENERAL
2.2uF
16V
C538
USA
100pF
C554
USA
100pF
C544
USA
R_SOUND_N
0.01uF
C533
0.1uF
C520
3.3
R530
READY
R509
LFM
005:A10
3.3
R527
+16V_AMP
0.1uF
C548
1uF
C528
0.1uF
C517
22000pF
C519
L_SOUND_P
100
R E
A D
Y
R503
1N4148W
100V
D503
3.3
R531
D500
4.7
R513
R E
A D
Y
R511
JP500
+3.3V_MULTI
+3.3V_MULTI
100pF
C500
+1.8V_NTP
1000pF
C542
4.7
R514
0.01uF
C559
0.1uF
C531
READY
C536
0.1uF
C532
LRCLK
001:N3
0.1uF
C547
0.01uF
C523
22000pF
C526
1N4148W
100V
D502
+16V_AMP
47K
R502
READY
C535
NTP3000A
IC501
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
NTP_FAULT
005:K19
0.1uF
C501
READY
C534
READY
C537
0.01uF
C560
22000pF
C514
+16V_AMP
4.7K
R523
GND
33pF
C512
READY
+1.8V_NTP
+16V_AMP
JP503
DA-8580
L504
2S
1S
1F
2F
SCLK
001:O3
4.7K
R524
LFM
005:F9
0.47uF
C550
3.3
R507
I2S_MCLK
001:N3
0.1uF
C506
MSDA
0.1uF
C529
3.3K
R500
0.1uF
C505
10uF
16V
C507
1000pF
C541
MSCL
22000pF
C527
JP502
0.1uF
C521
+1.8V_NTP
100pF
C508
JP501
NTP_RESET
1000pF
C502
1000pF
C540
1N4148W
100V
D501
4.7
R515
DA-8580
L503
2S
1S
1F
2F
READY
R508
4.7K
R525
1uF
C524
100
R501
0.01uF
C563
0.1uF
C518
0.1uF
C546
R_SOUND_P
33pF
C513
READY
22
R505
AZ1117H-1.8TRE1(EH13A)
1.0A
IC500
2
OUTPUT
3
INPUT
1
ADJ/GND
+1.8V_NTP
10uF
16V
C522
1N4148W
100V
D504
0.1uF
C545
DATA
001:O3
1uF
25V
C504
TP502
4.7
R512
10uF
16V
C503
4.7K
R521
1uF
C511
1uF
C525
22
R504
0.1uF
C510
0.47uF
C551
L_SOUND_N
3.3
R526
0.1uF
C509
3.3
R506
READY
R510
1000pF
C543
0.01uF
C562
33K
R536
AC_DET
0
R532
4.7K
R535
+3.3V_VDDP_ST
NTP_FAULT
005:N5
4.7K
R533
4.7K
R534
1 20
O H
M
L502
120OHM
L506
120OHM
L507
120OHM
L508
120OHM
L509
10K
R539
READY
MNT_OUT_MUTE
0
R540
READY
33K
R519
USA
33K
R520
U SA
4.7K
R517
USA
4.7K
R522
USA
+5V_GENERAL
0
R516
USA
100uF
16V
C552
U SA
100uF
25V
C530
100uF
25V
C516
47uF
25V
C567
47uF
25V
C568
2SC3052
Q501
E
B
C
2SC3052
Q500
E
B
C
TJC2508-4AW
P500
1
2
3
4
L500
L501
10uH
L505
USA
TP1106
TP1128
TP1129
TP1145
TP1153
TP1160
UBW2012-121F
L512
+16V_AMP
+3.3V_MULTI
UBW2012-121F
L513
AZ1117H-3.3
IC503
2
OUTPUT
3
INPUT
1
ADJ/GND
+3.3V_NTP
+5V_GENERAL
100uF
16V
C557
0.1uF
50V
C569
100uF
16V
C564
0.1uF
50V
C558
UBW2012-121F
L511
+3.3V_NTP
0
R E
A D
Y
R518
AUDIO_AMP
2007.12.26
5 9
AMP
EARPHONE AMP
NC
CLK_O
PVDD2B
B C
K
P V
D D
1 A
S D
A
PVDD2B
P V
D D
1 A
S D
A T
A
AVDDPLL
P G
N D
1 B
B S
T 2
B
PGND2A
OUT2A
P G
N D
2 B
P G
N D
1 A
BST2A
DVDDPLL
P R
O T
E C
T
VSS_IO
AD
0x54
D V
D D
CLK_I
B S
T 1
B
VDR1A
/RESET
PGND2A
P W
M _
S W
B
OUT2B
O U
T 1
B
F A
U L
T
PVDD2A
PVDD2A
PGND2B
V D
R 1
B
DGNDPLL
NC
O U
T 1
B
O U
T 1
A
V D
R 2
B
VDR2A
OUT2B
W C
K
D V
S S
P G
N D
1 A
LFM
O U
T 1
A
BST1A
AGNDPLL
S C
L
P W
M _
S W
A
P V
D D
1 B
IIC CH3
P V
D D
1 B
VDD_IO
P G
N D
1 B
OUT2A
gain = -(Rf/Ri)
-(R519/R517)
-(R520/R522)
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