DOWNLOAD LG 42PN450D-ZA / 42PN451D-ZF / 42PN452D-ZE (CHASSIS:PU31A) Service Manual ↓ Size: 7.24 MB | Pages: 36 in PDF or view online for FREE

Model
42PN450D-ZA 42PN451D-ZF 42PN452D-ZE (CHASSIS:PU31A)
Pages
36
Size
7.24 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pn450d-za-42pn451d-zf-42pn452d-ze-chassis-pu31a.pdf
Date
PREV: LG 42PN450B-ZA (CHASSIS:PD31A) Service Manual

LG 42PN450D-ZA / 42PN451D-ZF / 42PN452D-ZE (CHASSIS:PU31A) Service Manual ▷ View online

4. Power Block.
17
OP Amp
Spec) 850mV↓
20mVrms
356mVpp
17 07V
V
OP-Amp
for SC
L616
17.07V
Spec) 850mV↓
12mVrms
116mVpp
Audio
AMP
C690
0.1uF
50V
1608
C695
68uF
35V
8PI/6.3H
C686
1uF
50V
C681
1uF
50V
C680
0.1uF
50V
1608
L616
120 Ohm
5A
2012
17.07V
+3.3V_ST
AVDD_NODIE
Input
STBY DTV Comp HDMI
Input
DTV
Comp
HDMI
Spec) 165mV↓
73.58Vrms
418mVpp
3. Power Block.
C610
0.1uF
Spec) 250mV↓
50Vrms
244mVpp
C608
10uF
L600
120 Ohm
5A
2012
IC600
5V to 3.3V
AP2121N-3.3
(0.3A)
C601
0.1uF
C600
10uF
C604
1uF
C401
0.1uF
LM1
L400
120 Ohm
2A
1608
_
5.10V
5.07V
3.29V
3.29V
p
8.3mA 1.07A 1.12A 1.14A
p
33mA
33mA
33mA
5.08V
0.1uF
16V
10V
0.1uF
16V
10V
6.3V
0.1uF
RS232C
C229
0.1uF
Spec) 165mV↓
73.58Vrms
Spec) 250mV↓
69Vrms
245mVpp
+5
C556
0.1uF
Serial Flash
16V
1005
73.58Vrms
164mVpp
3.29V
V_
ST
+1.10V_Vddc
16V
1005
C547
0.1uF
16V
SUB Ass’y
Spec)  65mV↓
17Vrms
60mVpp
Spec) 250mV↓
Spec) 250mV↓
68Vrms
248mVpp
Spec) 250mV↓
Input
DTV
Comp
HDMI
230mA 220mA 220mA
3.29V
Input
STBY
0 2mA
IC603
5V to 1.23V
TPS54231D
(2A)
C621
0.1uF
C620
10uF
_
1005
X3
10uF
LM1
x7
0.1uF
X2
1uF
C601
L604
120 Ohm
2A
1608
Q604
MOFET
ZXMP3F30
(3.0A)
Spec) 250mV↓
88Vrms
249mVpp
248mVpp
27Vrms
169mVpp
5.08V
5.03V
5.02V
1.26V
5.07V
0.2mA
0.1uF
50V
25V
10V
2012
16V
1005
10V
1005
0.1uF
16V
Input
DTV
Comp
HDMI
910mA 900mA 850mA
Input
DTV
Comp
HDMI
750mA 630mA 650mA
+5V
+2 5V
Spec) 250mV↓
Spec) 125mV↓
Input
DTV
Comp
HDMI
3. Power Block.
C612
C605
C485
+2.5V
IC601
5V to 2.5V
TJ3940S-2.5V
(714mW)
27Vrms
169mVpp
16Vrms
99mVpp
L405
120 Ohm
2A
1608
Spec) 125mV↓
16Vrms
99mVpp
5.00V
2.486V
2.476V
DTV
Comp
HDMI
102mA 102mA 102mA
AVDD2P5
10uF
6.3V
1608
10uF
10V
0.1uF
16V
1005
LM1
L406
120 Ohm
Spec) 125mV↓
16Vrms
99mVpp
2.478V
Input
DTV
Comp
HDMI
102mA 102mA 102mA
전류안흐름
??
+5
IC604
5V to 1 8V
+1.8V_TU
C477
0.1uF
16V
1005
2A
1608
Spec) 250mV↓
27Vrms
169mVpp
Spec) 90mV↓
5.6Vrms
89mVpp
5 00V
AVDD25_PGA
+5
V
5V to 1.8V
AP1117BH-ADJ
(850mW)
C615
10uF
10V
C631
10uF
6.3V
1608
C311
0.1uF
16V
1005
Tuner
1.81V
5.00V
Input
DTV
Comp
HDMI
150mA 164mA 164mA
+1.25V_TU
C625
10uF
6.3V
1608
C314
10uF
6.3V
1608
C315
0.1uF
16V
1005
T2/SBTV
Tuner
C614
10uF
10V
IC602
5V to 1.25V
AP1117EG-13
(850mW)
1.245V
5.00V
1608
1608
1005
Spec) 250mV↓
Spec) 165mV↓
Spec) 165mV↓
3. Power Block.
L606
120 Ohm
2A
1608
IC608
5.0V to 3.3V
AP1117E33G
(850mW)
C617
10 F
C616
+3.3V
+3.3V_TU
C302
0 1 F
C303
10 F
Tuner
5.02V
Spec) 250mV↓
26Vrms
169mVpp
Spec) 165mV↓
5Vrms
69mVpp
Spec) 165mV↓
5Vrms
69mVpp
3.26V
3.255V
Input
DTV
ATV
Comp
HDMI
1608
10uF
6.3V
0.1uF
10V
0.1uF
16V
1005
10uF
16V
+3.3V_AMP
Audio
L601
120 Ohm
3 275V
3 273V
Spec) 165mV↓
8Vrms
89mVpp
DTV
ATV
Comp
HDMI
168mA 194mA 197mA 197mA
+5
C677
0.1uF
16V
C672
0.1uF
16V
Audio
AMP
120 Ohm
2A
1608
3.275V
3.273V
Spec) 165mV↓
7Vrms
Spec) 75mV↓
Input(STA380 not working)
DTV
Comp
HDMI
30mA
30mA
30mA
+5
V
+1.5V_DDR
IC613
3.3V to 1.5V
AP1117BH-ADJ
(850mW)
C618
10uF
C1251
10uF
X4
1uF
DDR
L1202
500 Ohm
3A
2012(?)
C619
10uF
3.27V
7Vrms
79mVpp
Spec) 75mV↓
7.5Vrms
74mVpp
Spec) 75mV↓
10Vrms
74mVpp
1.507V
1.50V
3.26V
IC605
5.0V to 3.3V
AP1117E33G
(850mW)
C627
C611
5.01V
6.3V
10uF
6.3V
Spec) 75mV↓
Input
DTV
Comp
HDMI
285mA 185mA 185mA
Input
DTV
Comp
HDMI
140mA
85mA
85mA
10uF
6.3V
0.1uF
10V
C432
0.1uF
16V
C436
10uF
10V
X3
0.1uF
16V
C446
1uF
10V
LM1
L402
120 Ohm
2A
1608
9.8Vrms
74mVpp
1.50V
16V
1005
10V
2012
16V
1005
10V
1005
Input
DTV
Comp
HDMI
145mA 105mA 105mA
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