DOWNLOAD LG C42PW120-WA (CHASSIS:PC21A) Service Manual ↓ Size: 5.81 MB | Pages: 33 in PDF or view online for FREE

Model
C42PW120-WA (CHASSIS:PC21A)
Pages
33
Size
5.81 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
c42pw120-wa-chassis-pc21a.pdf
Date
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LG C42PW120-WA (CHASSIS:PC21A) Service Manual ▷ View online

Making 
6-2
Revision
PDP TV
Input
Block
HDMI Video Problem
5/9
2012. 7 . 25
Revision 
Check input signal format
Is it supported?
Check DVI Cable for damage or open 
conductors
Y
Check EDID D/L
Re-Download EDID
Y
Y
N
Check IC300 110 117 Pin
Replace Connector
Y
N
Check JK300
for proper connection or damage
N
Check IC300 110~117 Pin
(HDMI Switch Output)
Replace IC300
Replace S7LR (IC200)
Y
Replace S7LR (IC200)
Making 
6-2
Revision
PDP TV
Input
Block
DP Video Problem
6/9
2012. 7 . 25
Revision 
Check input signal format
Is it supported?
Check DVI Cable for damage or open 
conductors
Y
Check EDID D/L
Re-Download EDID
Y
Y
N
Check C370 C377
Replace Connector
Y
N
Check JK304
for proper connection or damage
N
Check C370~C377
(DP IC input)
Replace IC301
Y
Check IC300 110~117 Pin
R
l
IC300
N
Replace S7LR (IC200)
(HDMI Switch Output)
Replace IC300
Y
Replace S7LR (IC200)
Making 
6-2
Revision
PDP TV
Input
Block
Audio Problem
7/9
2012. 7 . 25
Check Connector and cables
Replace connector or cable 
Revision 
N
JK409
p
if found damaged
Y
Check signal
R402,R404
Replace the Resistor
Y
N
Check IC400 signal
R423,R430
Replace the IC400
Y
N
Replace S7LR (IC200)
Y
Making 
6-2
Revision
PDP TV
Input
Block
USB Problem
8/9
2012. 7 . 25
Revision 
Check USB 2.0 Cable for damage 
or open conductors
p
Y
Check JK402
Replace Connector
N
Check IC402 voltage 5V
N
Replace IC402 & Recheck
Y
Y
Replace S7LR (IC200)
Replace S7LR (IC200)
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