Read LG 26LG40 (CHASSIS:LA89D) Service Manual online
0.01uF 50V
C778
100uF
16V
C733
0
5%
1/4W
R746
0.1uF
50V
C767
0.01uF 50V
C753
+3.3V_AVDD_MEMPLL
0.01uF 50V
C752
0
5%
1/4W
R749
1uF
25V
C707
S_Common_Except_32HD(Sharp&CMO)
10K
READY
R735
+1.25V_VDDC
+3.3V_AVDD_ADC
+5V_ST
SC4215ISTRT
IC708
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
0
S_Only_32CMO(HD)
R708
+12V_MODULE
DIMMING_CTL
001:R4
+3.3V_AVDD_ST
+5V_ST
2.2uF
16V
C757
0.1uF
50V
C764
100uF
16V
C765
POWER_ONOFF
+3.3V_AVDD_SIF
0.01uF 50V
C755
100uF
16V
C744
+5V_GENERAL
402
1%
R743
10K
R729
0.1uF
50V
C735
0.1uF
50V
C788
+3.3V_VDDP_ST
0.1uF
50V
C784
+2.6V
0.1uF
50V
C731
+5V_ST
10K
R752
R752
0.1uF
50V
C787
0.01uF 50V
C769
0.01uF 50V
C756
0.01uF 50V
C779
+2.6V_MVDD
0.1uF
50V
C772
+5V_ST
0.01uF
50V
C770
0.1uF
50V
C750
0
5%
1/4W
R750
PWM_DIM
001:R4;007:B18
+3.3V_AVDD_ADC
100uF
16V
C736
+3.3V_AVDD_DVI
0.1uF
50V
C783
AZ1085S-ADJTR/E1
IC704
1
ADJ/GND
2
OUTPUT
3
INPUT
0.01uF 50V
C781
3216
10uF
16V
C773
10K
R730
432
1%
R742
1K
R701
S_Common_Except_32HD(Sharp&CMO)
+5V_GENERAL
+12V_MODULE
10K
R738
0.1uF
50V
C762
0.1uF
50V
C798
0.01uF 50V
C780
0.1uF
50V
C737
+3.3V_AVDD_OTG
INV_CTL
001:I4
10K
R703
READY
+3.3V_VDDP
0.01uF 50V
C782
100uF
16V
C746
+3.3V_IR
1uF
25V
C719
220uF 16V
C751
+5V_GENERAL
0.01uF 50V
C777
0.1uF
50V
C761
100uF
16V
C740
+1.25V_AVDD_DVI
+5V_ST
0.1uF
50V
C748
+12V
+3.3V_VDDP_ST
0.01uF 50V
C754
0.1uF
50V
C749
AZ1117H-3.3
IC705
2
OUTPUT
3
INPUT
1
ADJ/GND
0.1uF
50V
C786
0.1uF
50V
C758
100uF
16V
C734
+2.6V
+5V_ST
0.1uF
50V
C747
AZ1085S-3.3TR/E1
IC703
1
ADJ/GND
2
OUTPUT
3
INPUT
0
5%
1/4W
R745
20K
R751
R751
10K
R734
READY
2.2uF
16V
C759
0.1uF
50V
C723
+5V_GENERAL
100uF
16V
C790
100uF
16V
C743
0.1uF
50V
C789
+2.6V_VDD_DDR
+3.3V_AVDD_LPLL
+3.3V_AVDD_ST
+3.3V_AVDD_MPLL
PANEL_CTL
100uF
25V
C732
SI4925BDY
Q706
3
S2
2
G1
4
G2
1
S1
5D
2
_
1
6D
2
_
2
7D
1
_
1
8D
1
_
2
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.
0.1uF
50V
C785
AZ1117H-3.3
IC706
2
OUTPUT
3
INPUT
1
ADJ/GND
100
R728
S_Common_except_47CMO(FHD)
+5V_GENERAL
0.1uF
50V
C771
0.1uF
50V
C738
0.1uF
50V
C763
0.01uF 50V
C776
0.1uF
50V
C739
10K
R736
+1.2V_PVSB
+3.3V_AVDD_AU
+16V
0.01uF
50V
C722
0.01uF
50V
C730
PANEL_POWER
100uF
16V
C745
10K
R748
+5V_ST
0.1uF
50V
C792
0.1uF
50V
C794
0.1uF
50V
C796
0.1uF
50V
C795
0.1uF
50V
C797
0.1uF
50V
C768
0.1uF
50V
C793
0.1uF
50V
C791
0.1uF
50V
C799
AZ1085S-ADJTR/E1
IC707
1
ADJ/GND
2
OUTPUT
3
INPUT
402
1%
R747
USA
0
5%
R744
470uF
16V
C725
470uF
16V
C724
CB4532UK121E
4532
L707
CB4532UK121E
4532
L705
10K
R733
2.2uF
16V
C714
READY
SMW200-24C
P700
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
1uF
25V
C703
CB4532UK121E
4532
L700
+12V
1K
R724
AC_DET
0.47uF
C718
0
R727
S_Common_except_32CMO(HD)_47CMO(FHD)_26NONMVO
0
R705
READY
+16V_AMP
+16V
0.01uF
50V
C726
0.1uF
50V
C729
+3.3V_MULTI
100uF
16V
C727
AZ1117H-3.3
IC702
2
OUTPUT
3
INPUT
1
ADJ/GND
100uF
16V
C720
0.1uF
50V
C728
0.1uF
50V
C721
0
R704
10K
READY
R707
2SC3875S
READY
Q700
E
B
C
2SC3875S
Q701
E
B
C
RL_ON
10K
R709
10K
READY
R706
+5V_ST
1K
R710
0
R711
POWER_ONOFF
0
R723
0
R726
+5V_ST
330uF
35V
C704
68K
R740
47uF
16V
C1704
TP765
0.1uF
C1705
0.01uF
25V
C1706
TP764
TP763
0.1uF
16V
C1700
0.1uF
16V
C1703
KIA78R05F
IC710
1
VIN
2
V C
3
V O
U T
4
N C
5
G N
D 1
6
G N
D 2
0.33uF
16V
C1702
100uF
16V
C1701
P O
W E
R _O
N O
F F
+12V
0
R6067
+5V_TUNER
100
R1700
R1700
22000pF
50V
C742
8200pF
50V
C741
68K
R731
5V_MNT
0.47uF
C1714
READY
PWM_DIM
001:R4;007:M15
0
R702
S_32CMO(HD)_26MVO
INV_ON/OFF
007:L16;007:L18
INV_ON/OFF
INV_ON/OFF
007:B19;007:L18
0
R760
S_Only_47CMO(FHD)
0
R712
S_Common_Except_32CMO(HD)_47CMO(FHD)_26NONMVO
100
R713
S_Only_47CMO(FHD)
15K
R716
100uF
16V
C705
+3.3V_PVSB
SC156515M-1.8TR
IC709
2
VIN
1
EN
3
GND
5
ADJ
4
VO
0.1uF
50V
C709
0.1uF
50V
C706
+5V_GENERAL
100uF
16V
C708
MLB-201209-0120P-N2
L702
4.7K
R714
VSB_CTRL
8.2K
R717
1K
R715
100uF
25V
C717
10K
R722
AS7809DTRE1
IC711
2
GND
3
OUTPUT
1
INPUT
2SC3052
Q703
E
B
C
2SC3052
Q702
E
B
C
2SC3052
Q704
E
B
C
2SC3052
Q705
E
B
C
BG2012B080TF
L701
BG2012B080TF
L704
BG2012B800
L721
MBW3216-501TF
L706
MBW3216-501TF
(5V_PANEL)
L708
MBW3216-501TF
(12V_PANEL)
L709
MBW3216-501TF
L710
MBW3216-501TF
L711
MBW3216-501TF
L712
MBW3216-501TF
L713
MBW3216-501TF
L714
MBW3216-501TF
L715
MBW3216-501TF
L716
MBW3216-501TF
L717
MBW3216-501TF
L718
MBW3216-501TF
L719
MBW3216-501TF
L720
22K
R737
22K
(12V_PANEL)
R739
+5V_GENERAL
1uF
25V
C710
JP715
JP1017
TP1109
3.3K
R732
1uF
25V
C711
15K
R741
R741
0.1uF
16V
C712
0.01uF
25V
C716
0
R719
47uF
16V
C713
+5V_DVDP
TP707
0
R718
0.1uF
C715
KIA78R05F
READY
IC713
1
VIN
2
V C
3
V O
U T
4
N C
5
G N
D 1
6
G N
D 2
0
R720
READY
1000pF 50V
C766
30K
R721
R721
12K
R754
100uF 16V
C775
1K
R755
CB3216PA501E
L722
READY
+3.3V_DVDP
33uF 10V
C1726
0.1uF
C1721
10
R756
BD9132MUV
IC712
1
SW_1
3
SW_3
7
PVCC_2
9
BST
10
V C
C
11
GND
12
ADJ
13
ITH
14
NC_1
15
NC_2
16
NC_3
17
E N
18
PGND_1
19
PGND_2
20
PGND_3
5
SW_5
8
PVCC_3
6
PVCC_1
4
SW_4
2
SW_2
47uF
C1725
+5V_ST
0.47uF 25V
READY
C774
560pF 50V
C760
12K
R753
7.5K
R725
R725
10uH
L723
22uF
C1723
22uF
C1724
0.1uF 16V
C1722
DVDP_POWER_CTRL
0
R E
A D
Y
R757
+3.3V_DVDP_UART
+5V_GENERAL
CB3216PA501E
L703
R2
V0 = 0.8(R1+R2) / R2
R1
FROM LIPS & POWER B/D
Power
2007.12.26
7 9
READY
READY
(R2/R1+1)*0.8=Vout
R1
R2
Vcc filter for Soft start
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