LG 22LQ630H (CHASSIS:LA1EX) Service Manual ▷ View 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.
2SC3052
Q501
E
B
C
1N4148W
100V
OPT
D503
AMP_SCL
1uF
25V
25V
C528
1000pF
50V
C505
AMP_MUTE
0 . 1 u F
50V
50V
C540
0 . 1 u F
50V
50V
C521
0 . 1 u F
16V
C513
10uF
10V
OPT
C506
C506
AMP_RESET
12
R511
+24V_AMP
SPK_R-
10uF
10V
10V
C515
100pF
50V
C503
1uF
25V
25V
C534
SPK_L-
10K
R521
390pF
50V
C530
0 . 0 1 u F
50V
50V
OPT
C525
0 . 1 u F
50V
50V
C519
10K
R520
10uF
35V
35V
C523
1000pF
50V
C504
10K
R502
33pF
50V
50V
C507
SPK_R+
WAFER-ANGLE
P501
1
2
3
4
SPK_L-
MLB-201209-0120P-N2
L501
0 . 1 u F
50V
C537
12
R508
12
R509
SPK_R+
+24V_AMP
0 . 1 u F
16V
C512
0 . 1 u F
50V
50V
C520
+3.3V_Normal
1N4148W
100V
OPT
D502
SPK_R-
10.0uH
L505
22000pF
50V
C517
10uF
10V
OPT
C510
0 . 1 u F
50V
C538
0 . 1 u F
50V
C539
100
R503
10K
R501
+24V_AMP
10uF
10V
OPT
C511
12
R513
AMP_SDA
10.0uH
L503
100
R506
10uF
35V
C524
AUD_SCK
AUD_MASTER_CLK
SPK_L+
THERMAL
NTP-7400L
IC501
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
GND_2
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
3.3K
R505
33pF
50V
50V
C509
0 . 1 u F
50V
C502
390pF
50V
C532
0 . 1 u F
50V
C501
BLM18PG121SN1D
L502
1uF
25V
25V
C529
3 . 3
OPT
R507
22000pF
50V
50V
C527
SPK_L+
AUD_LRCK
100
R504
12
R515
12
R512
10.0uH
L506
0 . 1 u F
16V
C508
1000pF
50V
C516
22000pF
50V
C518
12
R514
0 . 1 u F
50V
50V
C522
1N4148W
100V
OPT
D504
390pF
50V
C531
+3.5V_ST
AUD_LRCH
0 . 4 7 u F
50V
C535
12
R510
+24V
0 . 4 7 u F
50V
C536
390pF
50V
C533
0 . 1 u F
16V
C514
1N4148W
100V
OPT
D501
10.0uH
L504
22000pF
50V
C526
POWER_DET
47K
OPT
R523
4.7K
R516
4.7K
R519
4.7K
R517
4.7K
R518
38
AMP(NTP7400L)
SPEAKER_L
SPEAKER_R
NTP7400L
24V_power
2 0 1 1 . 1 1 . 2 3
22LQ630H-UA
LA1EX