LG 22LD350 (CHASSIS:LA04A) 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.
VSB_DEMOD
TS_DATA[1]
TS_DATA[6]
TS_DATA[2]
TS_DATA[4]
TS_DATA[5]
TS_DATA[0]
TS_DATA[3]
TS_DATA[0-7]
TS_DATA[0-7]
TS_DATA[7]
C1028
10uF
16V
3216
+1.2V_DVDD_PVSB
+3.3V_PVSB
C1023
10uF
16V
3216
C1038
10uF
16V
16V
3216
R1034
0
1/4W
5%
5%
+1.2V_PVSB
+3.3V_AVDD_PVSB
+3.3V_DVDD_PVSB
+3.3V_PVSB
+5V_Normal
C1020
0.1uF
50V
0.1uF
50V
C1002
100uF
100uF
16V
OPT
OPT
C1018
100uF
100uF
16V
L1000
MLB-201209-0120P-N2
OPT
+3.3V_PVSB
R1015
8.2K
OPT
R1014
15K
OPT
R1001
4.7K
4.7K
OPT
R1002
1K
1K
OPT
C1003
0.1uF
50V
0.1uF
50V
OPT
IC1001
SC156515M-1.8TR
OPT
2
VIN
1
EN
3
GND
5
ADJ
4
VO
VSB_RESET
TS_DATA[0-7]
C1068
0.1uF
R1063
1K
TS_SYNC
X1005
25MHz
R1077
22
TS_SYNC
C1067
0.1uF
0.1uF
R1065
0
OPT
TS_VALID
AR1070
100
+3.3V_DVDD_PVSB
TS_CLK
R1078
22
C1072
27pF
27pF
+3.3V_DVDD_PVSB
R1073
0
R1069
470
AR1079
100
1/16W
100
1/16W
LD1000
FE_DEMOD_SCL
JP1004
C1071
27pF
D1000
1N4148W
R1072
1M
FE_DEMOD_SDA
+3.3V_AVDD_PVSB
JP1007
+3.3V_AVDD_PVSB
C1073
1uF
10V
10V
AR1071 100
R1076
0
OPT
TS_VALID
R1074
47K
C1070
0.01uF
R1075
OPT
R1066
OPT
JP1005
+1.2V_DVDD_PVSB
IF_AGC
JP1006
IF_N_MSTAR
C1069
0.01uF
R1068
5.1K
OPT
OPT
R1060
1K
R1064
100
IF_P_MSTAR
TS_CLK
C1026
0.1uF
50V
0.1uF
50V
C1030
0.1uF
0.1uF
50V
C1032
0.1uF
0.1uF
50V
C1033
0.1uF
0.1uF
50V
C1043
0.1uF
0.1uF
50V
C1044
0.1uF
50V
0.1uF
50V
C1066
0.1uF
0.1uF
R1061 100
R1062 100
L1005
500
L1007
500
L1008
500
R1067
OPT
C1076
1uF
16V
R1011
20K
R1035
100
OPT
IC1000
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
POWER_ON/OFF2_2
001:AR30;007:AH18
C1019
100uF
100uF
16V
+1.2V_PVSB
C1079
0.1uF
50V
0.1uF
50V
R1012
10K
IC1004
LGDT3305
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
L1219
CB3216PA501E
C2138
0.1uF
50V
R1036
20K
C1078
2.2uF
16V
2.2uF
16V
C1077
2.2uF
2.2uF
16V
+3.3V_TU
C1074
22pF
50V
OPT
C1075
22pF
50V
OPT
VSB +1.0V B+ BLOCK
VSB +3.3V B+ BLOCK
VDD33
VSSAD10
VCCAAD10A
VDD
VSS33
SLIM_SCAN
OPM
VSS
XTALI
TPDATA[1]
TPDATA[2]
TPDATA[3]
TPDATA[4]
TPDATA[5]
TPDATA[6]
TPERR
TPDATA[7]
VDD33
JTAG
TPVALID
TPDATA[0]
VSS33
VSSAAD10A
IF OUT
I2CRPT_SDA
I2CRPT_SCL
VINA1
I2CSEL
VINA2
RF OUT
VDD
INCAP
ANTCON
VROA
VSS
VDD33
SCL
TPCLK
SDA
VSS33
VDD
PLLAVDD
PLLAVSS
TPSOP
VSS
NIRQ
XM
XTALO
NRST
V0 = 0.8(R1+R2) / R2
R1
R2
VSB B+ BLOCK
VSB_DEMOD
LD350
09.09.03
28
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.
COMP1_PR
C9800
100pF
50V
OPT
D9806
5.6V
D9802
30V
D9808
5.6V
D9800
5.6V
D9801
5.6V
5.6V
R9800
10K
R9813
470K
470K
R9802
10K
R9817
10K
10K
C9803
10pF
50V
10pF
50V
OPT
R9814
470K
470K
R9810
470K
AV_CVBS_DET
R9816
10K
10K
C9808
1000pF
50V
1000pF
50V
COMP1_Y
D9805
5.6V
C9801
10pF
50V
10pF
50V
OPT
+3.3V_Normal
R9815
10K
10K
R9818
10K
10K
AV_CVBS_IN
D9804
30V
30V
R9819
12K
+3.3V_Normal
R9807
75
COMP1_PB
AV_R_IN
R9821
12K
12K
C9806
1000pF
50V
1000pF
50V
D9803
30V
30V
AV_L_IN
R9822
12K
12K
COMP1_DET
R9812
75
COMP1_L_IN
C9802
10pF
50V
10pF
50V
OPT
C9804
1000pF
50V
1000pF
50V
C9805
1000pF
50V
1000pF
50V
R9801
1K
1K
R9820
12K
R9811
470K
COMP1_R_IN
D9807
5.6V
R9809
75
D9809
30V
R9808
75
R9803
1K
C9807
10pF
50V
10pF
50V
OPT
JK9800
PPJ238-01
5D
[GN2]O-SPRING
6D
[GN2]E-LUG
4D
[GN2]CONTACT
7E
[BL2]E-LUG-S
5E
[BL2]O-SPRING
7F
[RD2]E-LUG-S
5F
[RD2]O-SPRING_1
5G
[WH2]O-SPRING
4H
[RD2]CONTACT
5H
[RD2]O-SPRING_2
6H
[RD2]E-LUG
6A
[YL1]E-LUG
5A
[YL1]O-SPRING
4A
[YL1]CONTACT
5B
[WH1]O-SPRING
4C
[RD1]CONTACT
5C
[RD1]O-SPRING
6C
[RD1]E-LUG
COMPONENT&AV
LD350
09.09.03
31
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.
TXAC-[5]
TXA4+[0]
TXA3+[2]
R818
0
HD
TXA1-[9]
R817
0
HD
R816
0
HD
R815
0
HD
R814
0
HD
TXAC+[4]
R813
0
HD
R812
0
HD
R811
0
HD
R810
0
HD
TXA2+[6]
R809
0
HD
TXA4-[1]
TXA3-[3]
TXA1+[8]
TXA2-[7]
LVDS_TXA1+
LVDS_TXA3+
LVDS_TXA2+
LVDS_TXA3-
LVDS_TXA0+
LVDS_TXA0-
LVDS_TXA2-
LVDS_TXA1-
LVDS_TXAC-
LVDS_TXAC+
LVDS_TXA0-
LVDS_TXA0+
LVDS_TXA1-
LVDS_TXA1+
LVDS_TXA2-
LVDS_TXA3+
LVDS_TXA3-
LVDS_TXAC+
LVDS_TXAC-
LVDS_TXA2+
P802
FF10001-30
HD_60Hz_Normal
1
GND
2
GND
3
NC
4
NC
5
GND
6
TXA3+
7
TXA3-
8
GND
9
TXAC+
10
TXAC-
11
GND
12
TXA2+
13
TXA2-
14
GND
15
TXA1+
16
TXA1-
17
GND
18
TXA0+
19
TXA0-
20
GND
21
NC
22
LVDS_SEL
23
GND
24
GND
25
GND
26
GND
27
VCC
28
VCC
29
VCC
30
VCC
31
GND
PANEL_VCC
L802
CB3216PA501E
HD_60Hz_Normal
C808
22uF
22uF
25V
HD_60Hz_Normal
C804
1000pF
HD_60Hz_Normal
C806
0.1uF
HD_60Hz_Normal
+3.3V_Normal
R823
10K
AUO26"~32"
PANEL_VCC
L801
CB3216PA501E
HD_60Hz_SMALL
C807
22uF
22uF
25V
HD_60Hz_SMALL
C803
1000pF
HD_60Hz_SMALL
C805
0.1uF
HD_60Hz_SMALL
R819
0
0
26"~32"
R806
0
26"~32"
R822
5.1K
CMO&Sharp
OPC_OUT
P801
FF10001-30
HD_60Hz_SMALL
1
VCC
2
VCC
3
VCC
4
VCC
5
VCC
6
GND
7
GND
8
GND
9
NC
10
NC
11
NC
12
GND
13
TXA3+
14
TXA3-
15
GND
16
TXAC+
17
TXAC-
18
GND
19
TXA2+
20
TXA2-
21
GND
22
TXA1+
23
TXA1-
24
GND
25
TXA0+
26
TXA0-
27
GND
28
NC
29
PWM_OUT
30
NC
31
GND
R808
100
100
LGD_OPC
R820
1K
1K
22"CMO
R821
0
0
26"~32"
TXA4+[0]
TXA4-[1]
TXA3+[2]
TXA3-[3]
TXAC+[4]
TXA2+[6]
TXAC-[5]
TXA1+[8]
TXA2-[7]
TXA1-[9]
09.09.03
LD350
32
LVDS
VESA(NS)
JEIDA
LVDS_SEL
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
CMO 22"
LOW
HIGH
LOW/OPEN
AUO 26"/32"
HIGH
HIGH/OPEN(Defult)
LOW(GND)
Sharp 26"/32"
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
AMP_VCC
L611
120-ohm
L603
MLB-201209-0120P-N2
D604
100V
OPT
SPK_L-
006:AJ20
R608
100
AMP_RST
001:AB21
R606
100
C633
0.47uF
50V
R616
5.6
C629
1000pF
50V
0.1uF
C620
50V
R620
4.7K
C630
1000pF
50V
0.01uF
C639
50V
C622
1uF
16V
AUDIO_MASTER_CLK
001:W26
C607
1000pF
50V
R602
3.3K
MS_SCK
001:W26
D602
100V
OPT
C634
0.47uF
50V
0.1uF
C608
R600
0
R617
4.7K
C614
22000pF
50V
R609
33K
OPT
+3.3V_Normal
R622
3.3
C632
1000pF
50V
L608
120-ohm
SPK_R-
006:AJ16
C606
1000pF
50V
SPK_R-
006:AH9
+1.8V_AMP
C610
10uF
10uF
10V
SPK_L- 006:AH10
R615
5.6
SDA_SUB/AMP
001:AI6;004:J27
Q600
2SC3052
E
B
C
C616
33pF
50V
OPT
33pF
50V
OPT
C604
100pF
50V
0.1uF
C636
50V
0.1uF
C637
50V
R613
5.6
MS_LRCK
001:W26
SPK_R+ 006:AH10
SCL_SUB/AMP
001:AI6;004:J28
R624
3.3
R607
100
0.01uF
C615
50V
D603
100V
OPT
L609
120-ohm
C611
1uF
10V
C631
1000pF
50V
R604
100
R605
100
0.1uF
C638
50V
R611
10K
0.01uF
C640
50V
C619
1uF
16V
0.1uF
C627
50V
R619
4.7K
R603
0
0
SPK_L+
006:AJ22
C617
1uF
10V
D601
100V
OPT
C623
22000pF
50V
0.01uF
C642
50V
0.01uF
C641
50V
R601
100
R614
5.6
C624
22000pF
50V
MS_LRCH
001:W26
SPK_R+
006:AJ18
R618
4.7K
R610
0
0.1uF
C635
50V
R612
10K
+1.8V_AMP
AMP_VCC
L610
120-ohm
C618
22000pF
50V
L604
MLB-201209-0120P-N2
R621
3.3
C609
33pF
50V
33pF
50V
SPK_L+
006:AH11
+1.8V_AMP
R623
3.3
C612
33pF
50V
33pF
50V
AMP_MUTE
001:D16
L605
MLB-201209-0120P-N2
R625
3.3
3.3
R626
3.3
3.3
+3.5V_ST
0.01uF
C643
C644
0.01uF
50V
0.01uF
50V
C645
0.1uF
50V
0.1uF
50V
C601
0.1uF
16V
C605
0.1uF
16V
0.1uF
C613
16V
0.01uF
C626
50V
0.1uF
C625
50V
POWER_DET
C602
68uF
C628
68uF
IC601
AZ1117H-1.8TRE1(EH13A)
2
OUTPUT
3
INPUT
1
ADJ/GND
C648
0.1uF
16V
0.1uF
16V
C649
22uF
16V
16V
+1.8V_AMP
C646
22uF
16V
16V
+3.3V_Normal
C647
0.1uF
16V
0.1uF
16V
GND
C600
10uF
16V
C603
10uF
16V
IC600
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
R627
47K
OPT
P600
WAFER-ANGLE
1
2
3
4
HP_DET
R628
1K
1K
OPT
R629
1K
OPT
L607
AD-9060
EAP61008401
AD-9060
EAP61008401
2S
1S
1F
2F
L606
AD-9060
EAP61008401
AD-9060
EAP61008401
2S
1S
1F
2F
Audio Amp
3 14
Mstar(MERCURY)
SPEAKER_L
SPEAKER_R
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
KIM JONG HYUN
Mstar Application
09.02.19
Click on the first or last page to see other 22LD350 (CHASSIS:LA04A) service manuals if exist.