Read LG 42PJ350-SA (CHASSIS:PB02A) 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.
10uF
6.3V
C562
10uF
6.3V
C567
0.1uF
16V
C570
+3.3V
+5V_ST
0.1uF
16V
C515
+3.3V_NEC_ST
0.1uF
16V
C501
0.1uF
16V
C564
0.1uF
16V
C580
0.1uF
16V
C575
10uF
6.3V
C512
+3.3V_ST
CB3216PA501E
EAM44020101
L502
10uF
6.3V
C581
+2.5V_AVDD
MIC39100
0IPRPML001A
IC505
2
GND
3 OUT
1
IN
+3.3V_AVDD
10uF
6.3V
C509
MLB-201209-0120P-N2
L514
AP2121N-3.3TRE1
EAN58801701
IC500
1
GND
2 VOUT
3
VIN
10uF
6.3V
C573
+3.3V
10uF
6.3V
C569
+5V
0.1uF
16V
C558
+3.3V
MLB-201209-0120P-N2
L501
0.1uF
16V
C508
P_+5V
22
R526
0.1uF
16V
C514
100
R507
5V_ON
AC_DET
0.1uF
16V
C521
0.1uF
16V
C519
ERROR_DET
0.1uF
16V
C513
P_17V
10K
READY
R502
100
R506
100
R513
0.1uF
50V
C522
RL_ON
+5V_ST
CB4532UK121E
L507
+5V_TU
AZ1085S-3.3TR/E1
IC504
1
ADJ/GND
2 OUTPUT
3
INPUT
10uF
16V
C525
10uF
16V
C500
47uF
16V
C586
47uF
16V
C589
100uF
16V
C504
47uF
16V
C587
47uF
16V
C588
+1.5V_DDR_IN
P_+5V
22K
R535
1uF
C594
SI3865BDV
Q501
3
D2_2
2
D2_1
1
R2
4
S2
5
ON/OFF
6
R1/C1
5
6
0
R
53
7
3225
22uF
16V
C566
RL_ON
P_+5V
+5V
10uF
10V
C534
RL_ON
+1.26V_VDDC
22uF
10V
C531
10uF
16V
C526
3.6uH
L519
MP8706EN-C247-LF-Z
IC501
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
1uF
25V
C520
1
.2
K
R
51
8
0.1uF
C528
0.1uF
C523
0
R527
39
K
R
51
6
100uF
16V
C527
100uF
16V
C585
4.7uF
10V
C565
0
R501
1/10W
10
1%
R503
22uF
10V
C535
1K
R500
100pF
50V
C536
1/10W
11K
5%
R505
CIC21J501NE
L503
0.1uF
50V
50V
C537
1uF
10V
C538
10K
1%
R509
0.1uF
C539
NR8040T3R6N
3.6uH
L504
22uF
10V
C540
MP2212DN
IC502
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
POWER_ON/OFF1
+5V_ST
SMAW200-H18S1
P500
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
330
1%
R538
0.1uF
C541
39
K
1%
R
53
9
0.1uF
16V
C542
RL_ON
1
.2
K
1%
R
54
0
22uF
10V
C545
AZ1117H-ADJTRE1(EH11A)
IC506
2
OUTPUT
3
INPUT
1 ADJ/GND
1
1
0
1%
R
54
1
0.1uF
C546
5.1K
R543
0
R544
MP8706EN-C247-LF-Z
IC507
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
47
R545
P_17V
200
1%
R515
3.3K
1%
R531
68uF
35V
C524
0.1uF
50V
C544
10uF
25V
C590
10uF
16V
C505
10uF
16V
C553
10uF
16V
C530
SAM2333
D501
A2[RD]
C
A1[GN]
1K
R546
10uH
L520
10uF
10V
C502
62K
1%
R530
5 1 3
POWER
S7 core 2.5V
Multi Power(3.3V -->2.5V)
Stand-by (5VST --> +3.3V)
POWER B/D
Multi Power(5V -->3.3V)
1.8A
650 mA
$0.122
EAX61373301
POWER Wafer 18P
close to tuner
MAX 3A
S7 DDR 1.5V
S7 core 1.26V
$0.081
3A
1.26V
1.2V
40.2K
71.5K
82.5K
82.5K
40.2K
R1
R2
R1
R2
C l o s e t o I C
S7M DDR 1.5V
Placed on SMD-TOP
Vout=0.8*(1+R1/R2)
3A
R e p l a c e d P a r t
Placed on SMD-TOP
1074 mA
+7V
R1
Vout=0.8*(1+R1/R2)
R2
For Debug
1.29V
40.2K
65.5K
SMPS_POWER
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