Read LG 32LG3DCH (CHASSIS:LA76B) Service Manual online
0.01uF 50V
C780
100uF
16V
C727
0
5%
1/4W
R747
0.1uF
C714
0.1uF
50V
C768
0.01uF 50V
C761
+3.3V_AVDD_MEMPLL
0.01uF 50V
C762
0
5%
1/4W
R748
+1.25V_VDDC
+3.3V_AVDD_ADC
22K
R733
SC4215ISTRT
IC708
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
+3.3V_PVSB
004:L27;004:P27
+12V
+3.3V_AVDD_ST
+5V_L
2.2uF
16V
C741
0.1uF
50V
C765
100uF
16V
C767
+3.3V_AVDD_SIF
0.01uF 50V
C770
100uF
16V
C776
402
1%
R741
0.1uF
50V
C763
0.1uF
50V
C794
+3.3V_VDDP_ST
0.1uF
50V
C790
+2.6V
0.1uF
50V
C726
+5V_L
30K
1%
R707
10K
R729
R729
0.1uF
50V
C793
0.01uF 50V
C775
+12V
0.01uF 50V
C721
0.01uF 50V
C781
+2.6V_MVDD
0.1uF
50V
C745
AZ1085S-3.3TR/E1
IC704
1
ADJ/GND
2
OUTPUT
3
INPUT
+5V_L
0.01uF
50V
C743
0.1uF
50V
C751
0
5%
1/4W
R749
+3.3V_AVDD_ADC
100uF
16V
C729
+3.3V_AVDD_DVI
0.1uF
50V
C796
AZ1085S-ADJTR/E1
IC709
1
ADJ/GND
2
OUTPUT
3
INPUT
MP2305DS
IC701
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
0.01uF 50V
C783
470uF
16V
C718
3216
10uF
16V
C740
432
1%
R740
POWER_ONOFF
9.1K
R713
0.1uF
50V
C772
0.1uF
50V
C789
0.01uF 50V
C782
0.1uF
50V
C730
+3.3V_AVDD_OTG
001:I26
3216
0
R735
0.1uF
50V
C759
2SC3875S
Q703
E
B
C
3225
22uF
16V
C712
+3.3V_VDDP
0.01uF 50V
C784
100uF
16V
C748
+3.3V_IR
003:T20
0.01uF 50V
C779
0.1uF
50V
C771
+1.25V_AVDD_DVI
0.1uF
50V
C778
100uF
16V
C737
+3.3V_VDDP_ST
0.01uF 50V
C769
0.1uF
50V
C749
6.8K
1%
R715
AZ1117H-3.3
IC705
2
OUTPUT
3
INPUT
1
ADJ/GND
0.1uF
50V
C792
0.1uF
50V
C766
100uF
16V
C728
+2.6V
0.01uF
50V
C705
0.1uF
50V
C750
AZ1085S-3.3TR/E1
IC703
1
ADJ/GND
2
OUTPUT
3
INPUT
0
5%
1/4W
R746
20K
R728
R728
5600pF
50V
C710
22uH
L700
+5V_ST
10K
R745
R745
2.2uF
16V
C742
100uF
16V
C787
1/10W
100K
5%
R725
OPT
100uF
16V
C746
100uF
16V
C757
0.1uF
50V
C795
+2.6V_VDD_DDR
+3.3V_AVDD_LPLL
+3.3V_AVDD_ST
1K
R706
+3.3V_AVDD_MPLL
PANEL_CTL
001:K5
100uF
25V
C732
SI4925BDY
Q704
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
0.1uF
50V
C791
AZ1117H-3.3
IC706
2
OUTPUT
3
INPUT
1
ADJ/GND
0.1uF
50V
C777
0.1uF
50V
C731
0.1uF
50V
C724
0.1uF
50V
C738
0.01uF 50V
C785
0.1uF
50V
C734
+1.2V_PVSB
004:H27
+3.3V_AVDD_AU
+5V_TUNER
004:B27
0.01uF
50V
C723
+5V_GENERAL
PANEL_POWER
003:B10
2SC3875S
Q702
E
B
C
1N4148W
OPT
D700
100uF
16V
C744
10K
R727
+5V_L
0.1uF
50V
C758
0.1uF
50V
C760
0.1uF
50V
C764
0.1uF
50V
C773
0.1uF
50V
C774
0.1uF
50V
C786
0.1uF
50V
C788
0.1uF
50V
C797
0.1uF
50V
C798
AZ1085S-ADJTR/E1
IC710
1
ADJ/GND
2
OUTPUT
3
INPUT
402
1%
R737
0
5%
R736
0.47uF
50V
C701
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.
+12V
0.1uF
50V
C1710
+5V_ST
10K
R767
+5V_PRO
007:AI14
100uF
16V
C1713
+5V_ST
220uF 16V
C1715
SI4925BDY
Q709
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
+5V_GENERAL
2SC3875S
Q708
E
B
C
POWER_ONOFF
001:X7;001:AA6;007:G8;007:K12
22K
R768
220uF 16V
C1714
0.1uF
50V
C1719
0.1uF
50V
C1717
100uF
16V
C1718
+5V_PRO
AZ1085S-3.3TR/E1
IC711
1
ADJ/GND
2
OUTPUT
3
INPUT
+3.3V_PRO
005:G14;005:H10;007:M7;010:B28
100uF
16V
C1716
2SC3875S
Q710
E
B
C
10K
R770
POWER_ONOFF
001:X7;001:AA6;007:G8;007:W13
+16V
10uF
16V
OPT
C752
+16V_AMP
005:L14;005:M5;005:Q15;005:Q18;005:Q12;005:R10;005:R8
1/10W
0
5%
R772
22K
R771
SI4925BDY
Q711
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
100uF 25V
C754
100uF
25V
C753
47uF
10V
C756
KDS226
D701
A
AC
C
47uF
10V
C739
0.1uF
16V
C725
0.1uF
16V
C755
+1.8V_AMP
005:C10;005:D10;005:F10;005:J6
SC1565IST-1.8
IC707
GND
GND
VO
OUT
VIN
IN
+3.3V_PRO
MBW3216-501TF
L711
MBW3216-501TF
L719
MBW3216-501TF
L715
MBW3216-501TF
L717
MBW3216-501TF
L712
MBW3216-501TF
L716
MBW3216-501TF
L710
NON_32SHARP
MBW3216-501TF
L706
MBW3216-501TF
L704
MBW3216-501TF
L714
MBW3216-501TF
L718
1uF
16V
C735
+5V_ST
+5V_GENERAL
10K
R755
CB4532UK121E
4532
L721
0
26AUO
R710
1uF
25V
C716
32LPL
CB4532UK121E
4532
L722
2SC3875S
Q700
E
B
C
0
R720
PWM_DIM
001:T7
0
R703
+5V_ST
100
R752
1K
R758
10K
R723
+5V_GENERAL
0.47uF
25V
C1702
ACD_RST
001:J10;001:AF7;005:P6;009:X26
100uF
25V
C1703
+12V
007:A16;007:B8;007:F9;009:O14
10K
R717
32LPL
100
OPT
R757
1uF
25V
C717
100
R2097
+16V
007:M14;007:O15
1K
R719
32LPL
100uF
16V
C1701
CB4532UK121E
4532
L720
10K
OPT
R722
0.1uF
50V
C1704
10K
R724
+5V_ST
22K
R2095
0
R753
32COM
INV_CTL
001:K10
2SC3875S
Q707
OPT
E
B
C
+5V_GENERAL
CB4532UK121E
4532
L751
BG2012B080TF
L703
DIMMING_CTL
001:T7
RELAY_PTC
009:AC25
100
R718
0
OPT
R756
100
R2094
OPT
15K
R766
OPT
BG2012B080TF
L702
32LPL
10K
R721
SMAW200-24C
P1201
1
16V
2
16V
3
GND
4
GND
5
12V
6
12V
7
GND
8
GND
9
5VST
10
5VST
11
5VST
12
5VST
13
GND
14
GND
15
GND
16
GND
17
ERR_OUT
18
AC_DET
19
RL_ON
20
INV_ON
21
A_DIN
22
PWM_DIM
23
SELECT
24
SYNC
0
R702
32LPL
0
R704
32COM
1uF
35V
C1705
1uF
35V
C1706
+16V
330uF 25V
C708
+5V_ST
0
R731
47K
R732
47K
R734
22K
R751
2.2K
R769
10K
C711
22K
C715
+5V_ST
220uF 16V
C704
100uF
16V
C703
2.2K
C713
SI4925BDY
Q705
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
+5V_ST
2SC3875S
Q701
E
B
C
+5V_L
001:AC22;007:Z26;007:Z24;007:Z29;007:Z20;010:C15;010:D17;010:G17;012:AB13
1K
OPT
C709
MSTAR_POWER_ON
009:AH17
2.2uF
25V
C702
2.2uF
25V
C1712
10K
OPT
R730
0
26AUO
R708
+5V_ST
MBW3216-501TF
32SHARP
L713
R2
V0 = 0.8(R1+R2) / R2
R1
FROM LIPS & POWER B/D
Power
2008.3.14
7 12
32LG3DCH
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