Read LG 22LU50FD (CHASSIS:LC91M) 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.
AMP
0.01uF
C756
50V
0.1uF
C728
50V
R709
100
R710
100
R732
4.7K
SPK_R+ 006:AH15
0.1uF
C735
50V
R737
3.3
R713
12
L704
DA-8580
EAP38319001
DA-8580
EAP38319001
2S
1S
1F
2F
C716
22000pF
50V
0.1uF
C750
50V
SPK_L- 006:AH14
SCL_SUB/AMP
001:D22
C714
33pF
50V
33pF
50V
R733
4.7K
AUDIO_MASTER_CLK
002:U21
D705
100V
1N4148W
OPT
0.1uF
C752
50V
C745
0.47uF
50V
L701
BLM18PG121SN1D
0.1uF
C734
50V
AMP_RST
001:AA21
0.1uF
C751
50V
R719
12
SPK_R- 006:AH15
MS_SCK
002:U21
0.01uF
C757
50V
SDA_SUB/AMP
001:D22
0.01uF
C758
50V
C736
10uF
35V
35V
AMP_VCC
0.01uF
C720
50V
R730
4.7K
C731
22000pF
22000pF
50V
D707
100V
1N4148W
OPT
C712
33pF
50V
33pF
50V
0.1uF
C733
50V
MS_LRCK
002:U21
R727
12
R735
3.3
D706
100V
1N4148W
OPT
R726
12
R736
3.3
R705
12
R734
3.3
D704
100V
1N4148W
OPT
SPK_L+
006:AH14
MS_LRCH
002:U21
L700
BLM18PG121SN1D
R725
12
R728
12
C746
0.47uF
50V
0.01uF
C755
50V
C732
22000pF 50V
C726
22000pF
50V
L705
DA-8580
EAP38319001
DA-8580
EAP38319001
2S
1S
1F
2F
R716
12
C725
10uF
35V
35V
0.1uF
C749
50V
+1.8V_AMP
0.1uF
C729
50V
+1.8V_AMP
R721
100
R722
100
R720
100
D709
ENKMC2838-T112
A1
C
A2
NTP_MUTE
001:X22
SB_MUTE
001:X19
AMP_VCC
+3.3V_ST
Q701
2SC3052
E
B
C
+3.3V
P700
WAFER-ANGLE
1
SPK_R-
2
SPK_R+
3
SPK_L-
4
SKP_L+
SPK_R+
006:AJ6
SPK_L+
006:AJ2
SPK_L-
006:AJ4
SPK_R-
006:AJ8
+1.8V_AMP
R731
4.7K
IC701
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
C702
0.1uF
16V
C705
100pF
50V
0.1uF
C706
16V
C707
1000pF
50V
C708
1000pF
50V
0.1uF
C709
16V
0.1uF
C715
16V
C741
1000pF
50V
C742
1000pF
50V
C743
1000pF
50V
C744
1000pF
50V
R703
0
R740
0
0
R704
100
R708
3.3K
R717
33K
OPT
R724
10K
R729
10K
L706
120-ohm
L707
120-ohm
L708
120-ohm
L709
120-ohm
R718
100
C724
0.1uF
16V
C721
0.1uF
16V
0.1uF
16V
C760
1uF
10V
1uF
10V
C700
1uF
10V
C704
1uF
10V
C713
0.1uF
16V
C727
0.1uF
16V
C730
0.1uF
16V
SPEAKER_L
SPEAKER_R
6 9
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
EAX61023402
2009.04.28
LC91M(22/26LU50FD-CA)
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