Read LG 32LV3700-SA (CHASSIS:LJ12B) Service Manual online
THERMAL
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.
C307
0.1uF
16V
0.1uF
16V
R314
4.3K
1%
L303
3.6uH
IC301
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
R313
27K
1%
C311
2200pF
C310
0.1uF
16V
OPT
R315
10K
1%
0.1uF
C304
16V
R300
0
1/10W
C312
3300pF
50V
OPT
+2.5V
R304
1.5K
1%
C313
100pF
50V
OPT
C321
0.1uF
16V
0.1uF
16V
+3.3VD
IC300
AOZ1072AI
DCDC_Old
EAN60922901
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
0.1uF
C320
16V
+1.0V
R305
1K
1%
L302
3.6uH
IC302
AOZ1024DI
EAN60660601
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
C303
0.1uF
0.1uF
50V
C300
22uF
25V
25V
+3.3VD
+3.3VD
C314
10uF
25V
C317
10uF
25V
C301
10uF
25V
10uF
25V
C305
10uF
25V
10uF
25V
VLCD_POWER
(+12V)
R301
10K
VLCD_POWER
(+12V)
VLCD_POWER
(+12V)
C302
10uF
10V
L301
CIS21J121
L300
CIS21J121
C329
2200pF
C332
100pF
50V
OPT
C322
10uF
25V
10uF
25V
L306
3.6uH
VLCD_POWER
(+12V)
IC303
AOZ1072AI
DCDC_Old
EAN60922901
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C324
10uF
25V
10uF
25V
R323
10K
1%
L304
CIS21J121
C326
0.1uF
16V
0.1uF
16V
C331
2200pF
C333
100pF
50V
OPT
C323
10uF
25V
10uF
25V
L307
3.6uH
VLCD_POWER
(+12V)
IC304
AOZ1072AI
DCDC_Old
EAN60922901
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C325
10uF
25V
10uF
25V
R326
10K
1%
L305
CIS21J121
C327
0.1uF
16V
0.1uF
16V
+1.5V0
+1.5V1
+2.5V
+2.5V
R319
47K
R320
47K
R306
47K
R309
47K
R308
18K
R303
47K
C308
0.1uF
16V
C309
0.1uF
16V
R322
2.7K
1%
R325
2.7K
1%
R321
6.2K
1%
R324
6.2K
1%
0.1uF
C328
16V
0.1uF
C330
16V
C342
2200pF
L309
3.6uH
R328
47K
IC305
AOZ1072AI
DCDC_Old
EAN60922901
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
0.1uF
C341
16V
C338
10uF
25V
10uF
25V
+2.5V
R331
12K
1%
VLCD_POWER
(+12V)
C343
100pF
50V
OPT
C340
0.1uF
16V
0.1uF
16V
C339
10uF
25V
10uF
25V
R330
1.5K
1%
L308
CIS21J121
R329
2K
1%
+1.0V_2D3D
R312
10K
1%
R310
2.7K
1%
R311
1.2K
1%
C306
2200pF
2200pF
50V
R302
15K
R318
15K
R307
43K
R327
5.1K
IC300-*1
AOZ1072AI-3
DCDC_Revision
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R316
16K
1%
16K
1%
R317
51K
1%
51K
1%
C315
22uF
22uF
10V
C316
22uF
10V
22uF
10V
C318
22uF
22uF
10V
C319
22uF
10V
22uF
10V
C334
22uF
10V
22uF
10V
C335
22uF
10V
22uF
10V
C336
22uF
10V
22uF
10V
C337
22uF
10V
22uF
10V
C344
22uF
10V
22uF
10V
C345
22uF
10V
22uF
10V
IC303-*1
AOZ1072AI-3
DCDC_Revision
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
IC304-*1
AOZ1072AI-3
DCDC_Revision
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
IC305-*1
AOZ1072AI-3
DCDC_Revision
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
LG1121_POWER
2010. 10. 20
3
LG1121 GP3
7
R2
MAX 2.92A
MAX 435mA
MAX 405mA
Vout=0.8*(1+R1/R2)
R1
Vout=0.8*(1+R1/R2)
R1
R2
Vout=0.6*(1+R1/R2)
R1
R2
+1.0V_Normal
+3.3V_Normal
+2.5V_Normal
Vout=0.8*(1+R1/R2)
R1
R2
MAX 782mA
Vout=0.8*(1+R1/R2)
R1
R2
MAX 782mA
+1.5V_DDR0
+1.5V_DDR1
2D to 3D LG1131 Core
MAX 467mA
R2
Vout=0.8*(1+R1/R2)
R1
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