Read LG 32LK450 / 32LK451C (CHASSIS:LJ01U) 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.
SPK_L-
AP1117E18G-13
IC404
2
OUT
3
IN
1
ADJ/GND
1N4148W
100V
OPT
D502
100pF
50V
C504
1N4148W
100V
OPT
D503
10K
R517
+24V
0 . 1 u F
50V
C536
22000pF
50V
C518
22000pF
50V
C514
33
R506
0 . 1 u F
16V
C505
+1.8V_AMP
4.7K
R528
AUD_LRCK
22pF
50V
50V
OPT
C544
0 . 1 u F
16V
C513
+1.8V_AMP
WAFER-ANGLE
P501
1
2
3
4
0 . 1 u F
16V
C502
4.7K
R527
0 . 1 u F
50V
50V
C519
0 . 1 u F
16V
16V
C446
12
R523
SPK_L+
BLM18PG121SN1D
L501
SPK_R-
12
R526
AMP_SDA
100
R505
SPK_R-
4.7K
R530
12
R522
390pF
50V
C532
AMP_SCL
AMP_MUTE
100
R504
+3.3V_Normal
1uF
25V
C512
1000pF
50V
C508
0
OPT
R513
AUD_MASTER_CLK
AMP_RESET
1
R474
SPK_R+
SPK_L-
4.7K
R529
12
R521
10uF
10V
10V
C421
0 . 4 7 u F
50V
C535
33
R507
+3.3V_Normal
12
R525
1N4148W
100V
OPT
D504
1000pF
50V
C506
18pF
50V
50V
C510
10uF
35V
35V
C521
10K
R515
TP502
12
R524
3 . 3
OPT
R535
0 . 0 1 u F
50V
50V
OPT
C547
12
R519
BLM18PG121SN1D
L504
AUD_SCK
390pF
50V
C529
0 . 1 u F
50V
C515
+24V
0 . 1 u F
50V
C537
1uF
25V
C520
+3.5V_ST
0 . 1 u F
50V
50V
C539
0 . 1 u F
C509
10uF
35V
35V
C528
12
R520
0 . 1 u F
50V
50V
C526
10uF
10V
C511
OPT
22pF
50V
50V
OPT
C545
0 . 1 u F
16V
16V
C434
0 . 1 u F
50V
C538
SPK_L+
100
R503
390pF
50V
C531
+1.8V_AMP
100
R514
1uF
25V
C522
0 . 1 u F
50V
50V
C527
POWER_DET
22000pF
50V
C525
2SC3052
Q501
E
B
C
1N4148W
100V
OPT
D501
10uF
10V
C503
OPT
AUD_LRCH
3.3K
R508
390pF
50V
C530
0 . 4 7 u F
50V
C534
+1.8V_AMP
SPK_R+
22pF
50V
50V
OPT
C546
1uF
25V
C517
BLM18PG121SN1D
L502
18pF
50V
50V
C507
10uF
10V
C501
OPT
22000pF
50V
C524
THERMAL
NTP-7100
EAN60969603
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
NRS6045T100MMGK
10.0uH
L506
NRS6045T100MMGK
10.0uH
L507
NRS6045T100MMGK
10.0uH
L509
NRS6045T100MMGK
10.0uH
L508
1000pF
50V
50V
C516
120 mA
Vd=1.4V
SPEAKER_L
SPEAKER_R
AMP_NTP
20101023
16
GP2R
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