Read LG 50PW450-TD (CHASSIS:PA11A) Service Manual online
THERMAL
THERMAL
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.
+3.3V_ST
P601
SMAW200-H18S1
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
+2.5V_AVDD
+3.3V_AVDD
P_17V
RL_ON
C619
100uF
16V
+5V_ST
IC600
AZ1085S-3.3TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C621
100uF
16V
+3.3V
AC_DET
IC601
AP2121N-3.3TRE1
1
GND
2
VOUT
3
VIN
+5V_ST
ERROR_DET
C624
100uF
16V
+5V
C608
0.1uF
16V
0.1uF
16V
C602
0.1uF
16V
C604
0.1uF
16V
C603
0.1uF
16V
C606
0.1uF
16V
0.1uF
16V
C615
0.1uF
16V
0.1uF
16V
C601
0.1uF
16V
0.1uF
16V
C628
0.1uF
16V
C623
0.1uF
16V
0.1uF
16V
C627
0.1uF
16V
C605
100uF
16V
100uF
16V
R603
100
R605
100
R606
100
R600
10K
READY
C600
0.1uF
16V
0.1uF
16V
R604
100
IC604
TJ3964S-2.5
2
GND
3
VOUT
1
VIN
R624
3.6K
R623
16K
R627
20K
1%
C636
0.01uF
50V
0.01uF
50V
D600
40V
MBRA340T3G
C635
4.7uF
50V
4.7uF
50V
C638
0.015uF
50V
0.015uF
50V
C643
15pF
50V
15pF
50V
C634
4.7uF
50V
4.7uF
50V
R626
105K
1%
C639
0.1uF
50V
P_17V
+5V_TU
C631
22uF
22uF
16V
C641
10uF
16V
16V
C642
10uF
16V
16V
C644
10uF
16V
16V
READY
+3.3V_ST
L605
500
Power Main
C625 0.01uF
0.1uF
C650
16V
0.1uF
C611
16V
C647
10uF
10V
10uF
10V
C609
10uF
16V
C637
10uF
10V
10uF
10V
R636
330K
C613
0.1uF
16V
READY
R616
0
READY
C620
0.1uF
50V
0.1uF
50V
C629
100pF
100pF
50V
L606
3.6uH
+1.5V_DDR_IN
R608
10K
READY
L602
120-ohm
Power Main
C658
0.1uF
16V
0.1uF
16V
+3.3V
+5V
C660
0.1uF
16V
0.1uF
16V
C661
0.1uF
16V
0.1uF
16V
0.1uF
C612
16V
0.1uF
C653
16V
R610
10K
READY
C651
10uF
10V
10uF
10V
C622
0.1uF
50V
0.1uF
50V
R617
0
READY
C652
10uF
10V
10uF
10V
C630
100pF
100pF
50V
C626 0.01uF
C610
10uF
16V
L607
3.6uH
R637
330K
C614
0.1uF
16V
READY
R619
75K
75K
1/16W
1%
+1.26V_VDDC
Q600
RTR030P02
S
D
G
RL_ON
R609
10K
10K
C657
0.01uF
25V
0.01uF
25V
R612
10K
R607
10K
Q601
RT1C3904-T112
E
B
C
C654
22uF
22uF
16V
C656
100uF
16V
16V
+3.3V_ST
+5V_ST
+5V_ST_EN
+5V_ST_EN
+5V_ST_EN
+5V_ST_EN
R602
10K
5V_ON
C655
0.01uF
25V
0.01uF
25V
L603
500
Power Main
R601
10K
L610
120-ohm
Power Main
L611
120-ohm
Power Main
IC605
TPS54231D
3
EN
2
VIN
4
SS
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
L604
500
Power Main
C663
10uF
16V
READY
10uF
16V
READY
C633
22uF
16V
22uF
16V
C632
22uF
16V
22uF
16V
R613
10K
READY
R638
10K
READY
C662
10uF
10V
10uF
10V
C607
47uF
6.3V
47uF
6.3V
C616
47uF
6.3V
6.3V
C659
47uF
6.3V
6.3V
IC606
AZ1085S-3.3TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
L709
BLM18PG121SN1D
3D
+3.3V_3D
C740
0.01uF
0.01uF
3D
C746
10uF
10V
10uF
10V
3D
+1.8V
C755
0.1uF
16V
0.1uF
16V
3D
C751
0.1uF
16V
0.1uF
16V
3D
C747
10uF
10V
10uF
10V
3D
L703
BLM18PG121SN1D
3D
L710
BLM18PG121SN1D
3D
C745
22uF
10V
22uF
10V
3D
0.1uF
C728
3D
R775
330K
3D
C739
0.1uF
50V
0.1uF
50V
3D
+3.3V
C752
47uF
6.3V
47uF
6.3V
3D
R773
0
READY
R704
10K
READY
+5V
R779
22K
1%
3D
C734
0.1uF
16V
READY
+1.0V
C725
10uF
16V
3D
0.1uF
C748
16V
3D
R762
10K
READY
L702
3.6uH
3D
C743
100pF
50V
100pF
50V
3D
R834
0
0
1/10W
5%
3D
R1440
0
0
3D
R347
1.2K
1.2K
L300
120-ohm
2A
C313
0.1uF
16V
C322
0.1uF
16V
+3.3V_TU
+1.26V_TU
+3.3V_AVDD
C309
22uF
22uF
10V
CGND4
R2
0
0
MDS62110205
M2
R7
0
0
R8
0
0
R5
0
0
MDS62110205
M1
CGND3
R6
0
0
R3
0
0
CGND2
CGND1
R4
0
0
R1
0
0
C325
47uF
6.3V
47uF
6.3V
MDS62110205
M3
IC707
AZ1117BH-1.8TRE1
3D
OUT
INADJ/GND
R1475
1
C797
10uF
10uF
16V
L608
22.0uH
22.0uH
EAP61606601
R350
10
IC301
AZ1117BH-ADJTRE1
2
OUTPUT
3
INPUT
1
ADJ/GND
R774
10K
3D
R614
10K
R615
10K
C640
470pF
50V
470pF
50V
R625
51K
C749
47uF
6.3V
6.3V
READY
R2000
R2001
R2002
R2003
R2004
R2005
R2006
R2007
R611
1K
READY
1K
READY
LD600
SAM2333
READY
SAM2333
READY
C
A1[GN]
C738
2200pF
3D
C618
2200pF
2200pF
C617
2200pF
2200pF
IC603
SN1007054RTER
1
VIN_1
3
GND_1
7
COMP
9
SS
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
IC602
SN1007054RTER
1
VIN_1
3
GND_1
7
COMP
9
SS
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
IC704
SN1007054RTER
3D
1
VIN_1
3
GND_1
7
COMP
9
SS
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
R642
0
0
R640
0
0
R641
0
0
R621
43K
1%
R778
6.2K
1%
3D
R620
10.5K
1%
R618
11K
11K
1/16W
1%
Power
GP2R_S7R
6
R1
R2
2A
R2
R1
3A
3A
Vout=0.827*(1+R1/R2)
R2
3.2A / P-CHANNEL
R1
2010-08-31
R1
3A
LG8300 1.0V
Switching freq: 600K
R2
Vout=0.8*(1+R1/R2)
1.26V Core
Vout=0.827*(1+R1/R2)
1.5V DDR
5Vst Enable
3.3V_AVDD / 2.5AVDD
3.3Vst
3.3V
5V Tuner
Power Wafer
Switching freq: 600K
Switching freq: 600K
LG8300 3.3V / 1.8V
1.8V Control for Power_On Seq of LG8300
1.26V Tuner
R2
R1
SIDE_HDMI/USB GASKET GND
SEPARATE GND
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