Read LG 37LD322H (CHASSIS:LD01Z) 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.
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.
BLM18PG121SN1D
L502
0 . 1 u F
50V
50V
C519
1000pF
50V
C506
390pF
50V
C530
AUD_MASTER_CLK
10uF
35V
35V
C528
BLM18PG121SN1D
L504
0 . 0 1 u F
50V
50V
C542 OPT
+1.8V_AMP
0 . 1 u F
16V
C502
22000pF
50V
C525
10K
R517
22000pF
50V
C518
4.7K
R529
SPK_R+
1uF
25V
C520
390pF
50V
C529
AMP_SCL
1N4148W
100V
OPT
D504
1000pF
50V
C508
1uF
25V
C522
SPK_L-
0 . 1 u F
50V
50V
C527
0 . 1 u F
50V
50V
C539
+3.5V_ST
0 . 0 1 u F
50V
C540 OPT
100
R503
390pF
50V
C531
100
R505
AUD_LRCH
+24V
SPK_R+
0 . 4 7 u F
50V
C534
1N4148W
100V
OPT
D501
1N4148W
100V
OPT
D503
100
R514
4.7K
R530
SPK_L+
1uF
25V
C512
390pF
50V
C532
1uF
25V
C517
SPK_R-
3 . 3
R532 OPT
0
R513
OPT
100pF
50V
C504
0 . 1 u F
50V
C536
AMP_MUTE
3.3K
R508
AMP_SDA
3 . 3
R534 OPT
4.7K
R528
SPK_R-
3 . 3
R533 OPT
AUD_LRCK
BLM18PG121SN1D
L501
+1.8V_AMP
0 . 1 u F
50V
C537
100
R504
POWER_DET
3 . 3
R531 OPT
0 . 4 7 u F
50V
C535
AMP_RESET_N
10uF
35V
35V
C521
22000pF
50V
C524
0 . 1 u F
50V
C538
4.7K
R527
0 . 0 1 u F
50V
C541 OPT
+1.8V_AMP
22000pF
50V
C514
1N4148W
100V
OPT
D502
AUD_SCK
0 . 0 1 u F
50V
C543
OPT
0 . 1 u F
50V
C515
SPK_L+
+24V
10K
R515
0 . 1 u F
16V
C513
0 . 1 u F
C509
0 . 1 u F
16V
C505
SPK_L-
0 . 1 u F
50V
50V
C526
2SC3052
Q501
E
B
C
+3.3V_Normal
1000pF
50V
50V
C516
3 . 3
OPT
R535
0 . 0 1 u F
50V
50V
OPT
C547
10uF
10V
C501
OPT
10uF
10V
C503
OPT
10uF
10V
C511
OPT
12
R526
12
R522
12
R520
12
R525
12
R519
12
R524
12
R521
12
R523
22pF
50V
50V
OPT
C546
22pF
50V
50V
OPT
C545
22pF
50V
50V
OPT
C544
TP502
0 . 1 u F
16V
16V
C434
+1.8V_AMP
+3.3V_Normal
10uF
10V
10V
C421
AP1117E18G-13
IC404
2
OUT
3
IN
1
ADJ/GND
0 . 1 u F
16V
16V
C446
1
R474
AD-9060
15uH
L507
2S
1S
1F
2F
AD-9060
15uH
L506
2S
1S
1F
2F
THERMAL
NTP-7000
EAN60969601
IC501
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
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
57
EP_PAD
18pF
50V
50V
C507
18pF
50V
50V
C510
33
R506
33
R507
SMAW250-04
P502
1
2
3
4
SPEAKER_L
SPEAKER_R
AUDIO[NTP]
V e r . 1 . 1
Vd=1.4V
120 mA
16
EAX62115503
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