LG 50PA4900-TL (CHASSIS:PA23A) Service Manual ▷ View online
1
7
V
7
V
4-1. P_17V
C620
10uF
25V
3216
C621
0.1uF
50V
2012
17V to 3.3V
TPS54327
(3A, $0.14)
TPS54327
(3A, $0.14)
L605
2.2uH
3.5A
4.9x4.9
OP-Amp
for SC
for SC
Audio
AMP
AMP
C667
0.1uF
50V
1608
C668
68uF
35V
8PI/6.3H
Buffer for
CI_ADDR
[0:7]
CI_ADDR
[0:7]
+3.3V
C629/50
10uF
16V
→6.3V
3216
→1608
0.00586↓
change
C630
0.1uF
16V
1005
+3.3V_CI
C643
0.1uF
50V
1608
C638
C646
0.1uF
50V
1608
Audio
AMP
AMP
C627
10uF
6.3V
1608
L604
120 Ohm
2A
1608
+3.3V_TU
C614
0.1uF
16V
1005
C615
10uF
16V
→6.3V
3216
→1608
change
Tuner
3.3V to 1.8V
AP1117E18G
(850mW)
AP1117E18G
(850mW)
C631
10uF
6.3V
1608
C618
0.1uF
16V
1005
L101
120 Ohm
2A
1608
C137
0.1uF
16V
1005
Spec) 850mV↓
16mVrms
283mVpp
283mVpp
Spec) 165mV ↓
8.66mVrms
37.5mVpp
37.5mVpp
Spec) 165mV↓
23.4mVrms
166.6mVpp
166.6mVpp
Spec) 165mV↓
8.5mVrms
186.6mVpp
186.6mVpp
Spec) 90mV↓
4.6mVrms
41.6mVpp
41.6mVpp
17V to 12V
TPS54231D
(2A)
TPS54231D
(2A)
C693
10uF
25V
3225
C694
0.01uF
50V
1005
LNB
C711
10uF
16V
3216
C712
0.1uF
50V
1608
Spec) 165mV ↓
4.7mVrms
46.6mVpp
46.6mVpp
Spec) 165mV ↓
13.5mVrms
158mVpp
158mVpp
1
7
V
7
V
4-2. P_17V
+3.3V
C612
10uF
6.3V
1608
+2.5V
C1417
10uF
10V
→6.3V
2012
→1608
change
x6
0.1uF
16V
1005
x5
0.1uF
16V
1005
L408/9
120 Ohm
2A
1608
X4
10uF
10V
→6.3V
2012
→1608
change
Nand
Flash
Flash
NVR
x2
0.1uF
16V
1005
C554
10uF
10V
→6.3V
2012
→1608
change
C552
0.1uF
16V
1005
Spec) 165mV↓
9.7mVrms
67.5mVpp
67.5mVpp
C605
10uF
6.3V
1608
x3
0.1uF
16V
1005
C427
10uF
10V
→6.3V
2012
→1608
0.00636↓
change
LM1
C682
0.1uF
16V
1005
L613
120 Ohm
2A
1608
C671
10uF
10V
→6.3V
2012
→1608
change
x3
120 Ohm
2A
1608
+1.25V_TU
C625
10uF
6.3V
1608
3.3V to 1.25V
AP1117EG-13
(???mW)
AP1117EG-13
(???mW)
3.3V to 2.5V
TJ3940S-2.5V
(714mW)
TJ3940S-2.5V
(714mW)
LM1
C685
10uF
6.3V
1608
C684
0.1uF
16V
1005
Tuner
Tuner
DVB_T2
NOT_HNIM
HDCP
* W18/9
Spec) 165mV↓
8.5mVrms
45mVpp
45mVpp
* L7
Spec) 165mV↓
7.8mVrms
47.5mVpp
47.5mVpp
* Y17
5
V
V
4-3. P_5V
L600
120 Ohm
5A
2012
C608
10uF
10V
→16V
2012
→3216
0.0005↓
change
+5V
C610
0.1uF
16V
1005
USB OCD
SPDIF
C219
0.1uF
16V
1005
Spec) 250mV↓
7mVrms
70mVpp
70mVpp
MOFET
Switch
Switch
L100
120 Ohm
2A
1608
C104
0.1uF
16V
1005
PCMCI
C101
0.1uF
16V
1005
+5V_CI_ON
C100
22uF
10V
→16V
3216
→3225
0.017↓
0.017↓
change
Spec) 250mV↓
31mVrms
135.4mVpp
135.4mVpp
5
V
V
4-4. P_5V
+5V
C683/57
22uF
16V
3225
+1.24V_VDDC
x2
0.1uF
16V
1005
L405
120 Ohm
2A
1608
C1413
10uF
10V
→6.3V
2012
→1608
change
Spec) 55mV↓
9.4mVrms
48.3mVpp
48.3mVpp
???mVrms
???mVrms
LM1
x3
0.1uF
16V
1005
x3
10uF
10V
→6.3V
2012
→1608
change
L606
120 Ohm
5A
2012
C653/4
10uF
25V
3225
C651/56
22uF
16V
3225
+1.5V_DDR_IN
LM1
MIU0/1
MIU0/1
L500
500 Ohm
3A
???
C544
10uF
10V
→6.3V
2012
→1608
change
C545
0.1uF
16V
1005
VCC_1.5V_DDR
DDR1/2
x2
1000pF
50V
1005
x2
0.1uF
16V
1005
C467
1000pF
50V
1005
L412
120 Ohm
2A
1608
x4
10uF
10V
→6.3V
2012
→1608
change
x4
0.1uF
16V
1005
5V to 1.1V
TPS65253RH
D
(adjustable)
$0.25
TPS65253RH
D
(adjustable)
$0.25
C468
1uF
10V
1005
* M14
Spec) 55mV↓
17.7mVrms
70mVpp
70mVpp
* R15
Spec) 55mV↓
15.9mVrms
90mVpp
90mVpp
* M17
Spec) 55mV↓
19.69mVrms
120.8mVpp
120.8mVpp
* IC501 / G7
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