Read LG 26LG40 (CHASSIS:LA89D) 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.
75
R650
CDS3C05GTA
5.6V
R E
A D
Y
D618
10K
R638
CDS3C05GTA
5.6V
READY
D612
100pF
50V
C606
75
R602
RS232C_TXD
DSUB_VSYNC
001:C15
AV1_CVBS
001:C10
DSUB_HSYNC
001:C16
22pF
50V
C618
22pF
50V
C617
OPT
C619
+5V_ST
75
R607
0
R661
RS232C_TXD
DDC_CTL
001:J4;008:M5;008:V5;009:N11
100pF
50V
C616
100
R663
22
R640
CDS3C05GTA
5.6V
R E
A D
Y
D620
DDC_SDA/UART_TX
0.1uF
50V
C622
100pF
50V
C615
75
R601
100
R632
READY
RS232C_RXD
100pF
50V
C614
USA
PEJ024-01
JK604
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
10K
R648
SVIDEO_Y
001:C11
22
R641
100pF
READY
C612
DSUB_AU_R
001:C7
100pF
50V
C613
USA
SVIDEO_C
001:C11
1K
R666
RS232C_RXD
AV1_R
001:C8
10K
R656
DDC_SCL/UART_RX
75
R649
22
R642
SVIDEO_SW
100
R631
READY
CDS3C05GTA
5.6V
READY
D611
0
READY
R660
DSUB_R
001:B14
+5V_GENERAL
DDC_SCL/UART_RX
100pF
READY
C608
100pF
READY
C609
0
R659
470K
R637
CDS3C05GTA
5.6V
R E
A D
Y
D621
1K
R628
4.7K
R616
470K
R639
DSUB_AU_L
001:C7
75
R647
18pF
50V
C623
18pF
50V
C625
470K
R608
CDS3C05GTA
5.6V
READY
D603
DSUB_G
001:B14
OPT
C620
OPT
C621
DSUB_B
001:B14
DDC_SDA/UART_TX
10K
R665
R E
A D
Y
RGB_SW
001:I4
1K
R622
AV1_SW
001:P4
CDS3C05GTA
5.6V
READY
D610
100
R633
100
R634
CDS3C30GTH
30V
READY
D601
30V
READY
D607
CDS3C30GTH
30V
READY
D608
CDS3C30GTH
30V
READY
D600
CDS3C30GTH
30V
D615
CDS3C30GTH
30V
D617
CDS3C30GTH
30V
D616
CDS3C30GTH
30V
D614
30V
D613
4.7K
R654
4.7K
R652
22
R655
22
R658
JP614
JP615
JP620
JP621
JP622
JP618
JP619
JP623
JP626
JP610
JP613
JP612
JP602
JP601
JP616
JP617
JP611
10
R636
USA
10
R635
USA
MONITOR_OUT_R
MONITOR_OUT_L
470K
R606
100pF
50V
C604
AV1_L
001:C8
CDS3C05GTA
5.6V
READY
D602
JP600
100pF
C603
PPJ200-07
JK603
USA
3A
2A
4A
2B
5B
PPJ218-01
JK602
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
100pF
C601
JP609
4.7K
R617
+5V_GENERAL
SIDEAV_SW
009:B5
1K
R629
CDS3C05GTA
5.6V
READY
D609
22
R615
100pF
READY
C611
75
R603
CDS3C30GTH
30V
READY
D604
SIDEAV_CVBS
001:C11
100pF
50V
C610
470K
R614
SIDEAV_L
001:C7
CDS3C05GTA
5.6V
READY
D606
JP607
100pF
50V
C607
CDS3C05GTA
5.6V
READY
D605
470K
R610
SIDEAV_R
001:C7
JP603
GND
470pF
C605
GND
0
R604
U SA
IR
003:R14
GND
OPT
C602
10
R609
KOR
R605
GND
JP604
TX
001:P4
JP608
JP606
PEJ024-01
JK601
USA
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
JP605
0
R600
U SA
10K
R618
10K
5%
1/10W
R619
12K
R623
12K
R624
0
R1132
0
R1133
+5V_ST
47K
R1134
10K
R627
10K
R621
12K
R630
12K
R626
0
R1135
0
R1136
10K
R643
10K
R644
12K
R645
12K
R646
GND
SDC15
D636
A1
C
A2
0.33uF
C628
TP658
SDC15
D633
A1
C
A2
4.7K
R6066
TP659
0.33uF
C631
MAX3232CDR
IC603
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
GND
0.33uF
C629
0.33uF
C632
GND
4.7K
R6065
+3.3V_IR
0.047uF
C630
0.1uF
16V
C638
220pF
50V
C641
220pF
50V
C643
47pF
50V
C646
47pF
50V
C647
220
R699
220
R698
100
R697
100
R696
100
R689
100
R688
0
R611
0
R676
0
R675
0
R6068
USA
0
R6069
USA
0
R6072
USA
0
R6073
USA
PMJ029-01
JK600
4A
[YL]CONTACT
2
A
[YL]1P_CAN
3
A
[YL]0_SPRING
2
B
[WH]1P_CAN
5
B
[WH]C_LUG_L
2
C
[RD]1P_CAN
4
C
[RD]CONTACT
3
C
[RD]0_SPRING
6
[S-VHS]GROUND_TER
7
A
[S-VHS]C_LUG_L1
7
B
[S-VHS]C_LUG_L2
7
C
[S-VHS]C_LUG_L3
7
D
[S-VHS]C_LUG_L4
8
[S-VHS]0_SPRING
KCN-DS-1-0089
JK605
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
ENKMC2838-T112
D619
A1
C
A2
5.6V
ZD600
BG2012B080TF
L600
BG2012B080TF
L601
BG2012B080TF
L602
BG2012B080TF
L603
BG2012B080TF
L604
BG2012B080TF
L605
8OHM
L606
USA
8OHM
L607
USA
CAT24C02WI-GT3
IC600
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
100K
R668
2SC3052
Q605
E
B
C
100K
R667
TX
+5V_ST
0.
1u
F
C633
2.
2u
F
C634
2.
2u
F
C635
FDV301N
Q600
USA
G
D
S
FDV301N
Q601
USA
G
D
S
1K
R6070
USA
1K
R6071
USA
10K
R612
R612
U SA
10K
R613
R613
U SA
MNT_OUT_MUTE
JP1037
JP1038
TP1112
TP1113
KCN-DS-1-0088
JK609
1
2
3
4
5
6
7
8
9
10
A02-0915-101
JK609-*1
1
2
3
4
5
6
7
8
9
10
4.7K
R620
READY
+5V_GENERAL
RS232C_TxD/DDC_SDA
MC14053BDR2G
0ISTL00024A
IC601
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
47uF
16V
C626
0
R672
0
SPDIF_MUX
R671
RS232C_RXD
006:M20;006:O9
0
SPDIF_MUX
R664
0
R662
4.7K
R E
A D
Y
R677
+5V_ST
+5V_ST
BG2012B800
L608
4.7K
R E
A D
Y
R673
0
R E
A D
Y
R678
DDC_SCL/UART_RX
006:M9;006:Z9
DDC_SDA/UART_TX
006:M9;006:Z8
RS232C_TXD
006:M20;006:O9
0
SPDIF_MUX
R670
0
R679
0.1uF
16V
C624
0
R674
R674
R E
A D
Y
UART_SEL
001:W11
RS232C_RxD/DDC_SCL
001:Q4
SPDIF_OUT
DVDP_SPDIF
MSTAR_SPDIF
0
R625
4.7K
R651
SPDIF_SEL
+3.3V_MULTI
+5V_GENERAL
0
R653
3K
R669
Interface
2007.12.26
6 9
AV
S-VIDEO
RS232C
PC
MONITOR_LR
PC_SOUND
SIDE_AV
IR
male
Serial Port
TxD
RxD
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