Read LG 26LD310 (CHASSIS:LP92A) 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.
OPC_OUT
C704
47uF
47uF
25V
0.01uF
C708
50V
R733
33K
26_32inch
P_5V
5V_M
Q705
SI4925BDY
EBK32753101
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
R704
0
C705
10uF
16V
10uF
16V
L702
500
P_12V_SMALL_15V
P_24V_SMALL_15V
R711
4.7K
Non Sharp32
P_5V
R715
1K
OPC_DISABLE
5V_12V_LCD
P_5V
E_DIM
L706
26_32inch
120-ohm
P_12V_SMALL_15V
R729
10K
R734
22K
R708
0
CMO32
P_12V_SMALL_15V
R712
3K
P_5V
R735
1.6K
2SC3875S
Q702
26_32inch
1
2
3
C706
2.2uF
16V
2.2uF
16V
POWER_SW
Q703
RT1C3904-T112
E
B
C
R710
0
19_22inch/Sharp32
C712
0.1uF
50V
0.1uF
50V
R733-*1
10K
19_22inch
P_5V
L703
120-ohm
R723
0
19_22inch
0.01uF
C748
50V
C731
0.1uF
50V
0.1uF
50V
24V_15V_NTP
0.01uF
C737
50V
5V_M
R721
0
Sharp32
R706
0
READY
P_5V
L708
120-ohm
MLB-201209-0120P-N2
RL_ON
R722
0
Non Sharp32
R713
10K
R732
33K
R725
10K
C703
68uF
35V
R707
0
P_24V_SMALL_15V
C701
2.2uF
16V
2.2uF
16V
READY
R727
10K
10K
READY
R702
0
READY
P_24V_SMALL_15V
R714
1K
OPC_ENABLE
ST_5V
R709-*1
1K
DC_DIM
R724
0
0.01uF
C709
50V
I_DIM
LD701
SAM2333
P703
SMAW200-11
19_22inch
1
15V
2
15V
3
GND
4
GND
5
5V
6
5V
7
NC
8
NC
9
Inverter_ON
10
PWM_Dim
11
A.Dim
R709
100
PWM_DIM
PANEL_ON
C719
1uF
25V
1uF
25V
C721
1uF
25V
1uF
25V
C702
0.47uF
0.47uF
Non Sharp32
25V
Q704
RT1C3904-T112
E
B
C
R705
0
NON_CMO32
R728
10K
C745
100uF
16V
100uF
16V
2SC3875S
Q701
1
2
3
ST_5V
0.01uF
C707
50V
L701
120-ohm
L705
19_22inch/Sharp32
120-ohm
C718
68uF
35V
68uF
35V
READY
DISP_EN
12V_AUDIO
5V_M
P_12V_SMALL_15V
ST_3.3V
C714
1uF
25V
1uF
25V
READY
IC701
AP2121N-3.3TRE1
1
GND
2
VOUT
3
VIN
ST_5V
1.2V_VDDC_M8
100uF
C729
16V
C723
0.1uF
50V
0.1uF
50V
C726
0.1uF
16V
0.1uF
16V
R750
120
R739
3.3
3.3
READY
IC705
AP1117EG-13
1
ADJ/GND
2
OUT
3
IN
C744
0.1uF
50V
0.1uF
50V
C747
1uF
25V
1uF
25V
READY
R751
56
C735
0.1uF
50V
0.1uF
50V
C746
1uF
25V
1uF
25V
READY
R730
12K
12K
R740
10K
3.3V_M
C717
560pF
50V
560pF
50V
IC704
AZ1085S-3.3TR/E1
1
ADJ/GND
2 OUTPUT
3
INPUT
R744
2K
R745
3.3K
3.3K
1.8V_M
C725
2200pF
50V
2200pF
50V
READY
L707
2.2uH
5V_M
R718
0
0.01uF
C713
25V
R701
10K
10K
R703
1.2K
1.2K
P701
FM20020-24
26_32inch
19
NC
14
12V
9
5.2V
4
GND
18
24V
13
12V
8
5.2V
3
GND
17
24V
12
GND
7
5.2V
2
Power ON
16
GND
11
GND
6
GND
1
NC
20
Inverter ON
15
GND
10
5.2V
5
GND
21
A.Dim
22
Error Out
23
NC
24
PWM Dim
25
C752
1uF
1uF
25V
19_22inch
L710
120-ohm
26_32inch
VIF_12V
C751
0.1uF
50V
19_22inch
R726
0
R738
0
R753
0
R760
0
19_22inch
C716
10uF
10V
C727
10uF
10V
10uF
10V
C734
10uF
10V
C733
10uF
10V
10uF
10V
C715
10uF
10V
10uF
10V
C728
10uF
10V
10uF
10V
C742
10uF
10V
10uF
10V
10uF
C710
10V
C754
10uF
16V
10uF
16V
READY
0.01uF
C711
50V
IC702
BD9130EFJ-E2
3
ITH
2
VCC
4
GND
1
ADJ
5
PGND
6
SW
7
PVCC
8
EN
ST_3.3V
R716
6.2K
6.2K
OPC_DISABLE
R717
6.2K
6.2K
OPC_ENABLE
3.3V_M
R756
10K
10K
R755
10K
R761
0
19_22inch
R758
10K
26_32inch
R762
10K
READY
PANEL_STATUS
R719
2.2K
2.2K
26_32inch
R763
47K
26_32inch
Q706
RT1C3904-T112
RT1C3904-T112
E
B
C
ST_3.3V
R764
10K
R765
10K
R749
4.7K
4.7K
R747
4.7K
4.7K
R752
4.7K
4.7K
IC707
AS7812ADTR-E1
19_22inch
2
GND
3
OUTPUT
1
INPUT
R748
10
19_22inch
43K
R736
5V_TUNER
D701
50V
19_22inch
110
R759
C730
1uF
25V
1uF
25V
C739
0.47uF
50V
0.47uF
50V
R743
2K
26_32inch
C753
100pF
50V
50V
READY
C749
0.1uF
16V
0.1uF
16V
READY
IC706
AP1117EG-13
1
ADJ/GND
2 OUT
3
IN
5V_M
5V_M
L704
500
CIC21J501NE
R731
0
26_32inch
10uF
C722
25V
C738
0.1uF
50V
0.1uF
50V
19_22inch
C743
0.1uF
16V
0.1uF
16V
C741
10uF
16V
10uF
16V
R746
10
5.6K
R737
C724
560pF
50V
50V
READY
C740
10uF
16V
10uF
16V
10uF
C720
25V
R757
330
10K
R741
26_32inch
IC703
MP2212DN
3
IN
2
GND
4
BS
1
FB
5 VCC
6 SW_1
7 SW_2
8 EN/SYNC
C732
100uF
16V
100uF
16V
L709
3.6uH
P_12V_SMALL_15V
C736
0.1uF
50V
0.1uF
50V
R742
0
EAX61462901
5V_M -> 1.2V_VDDC_M8, 3.3V_M, 1.8V_M
MULTI VOLTAGE
Power
**Switch 12V:P12V, P5V -> 5V_12V_LCD
PANEL
Power indicator
**Switch 5V:P5V -> 5V_M
7 7
STAND_BY VOLTAGE
POWER
2009/08/20
MAX 300mA
R2
OUT:1.85V
R2
R1
V0 = 1.25*(1+(R2/R1))
MAX 2A
OUT:3.3V
NTP,AUDIO DSP
MAX 3A
MAX 1A
OUT:1.27V
R1
V0 = 0.8*(1+(R2/R1))
OUT:6.8V
TUNER VOLTAGE
MAX 3A
V0 = 0.8*(1+(R1/R2))
**DC-DC CONVERTER
12V->5V_TUNER
12V->5V_TUNER
R2
R1
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