DOWNLOAD LG 50PZ950-ZA (CHASSIS:PD12A) Service Manual ↓ Size: 12.41 MB | Pages: 80 in PDF or view online for FREE

Model
50PZ950-ZA (CHASSIS:PD12A)
Pages
80
Size
12.41 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pz950-za-chassis-pd12a.pdf
Date
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LG 50PZ950-ZA (CHASSIS:PD12A) Service Manual ▷ View online

ⓒ LG Electronics. Inc.2010
Making 
전자 - 6-2
Revision 
PDP TV
Input
Block
Digital TV / HDMI Audio Problem
Follow procedure All source audio 
trouble shooting
Check EDID Download
Re-download EDID data
◆ Digital TV
Check video output
Follow procedure All source audio 
trouble shooting
Follow procedure digital TV 
video trouble shooting
Y
N
◆ HDMI
Y
N
Check video output
Follow procedure HDMI video 
trouble shooting
Y
N
Repair Process-Reference data
A2-2
2010. 12 . 24
ⓒ LG Electronics. Inc.2010
< SIF waveform – sample >
- Defend on the input signal.
Making 
전자 - 6-2
Revision 
PDP TV
Input
Block
Analog TV Audio Problem
Check video output
Follow procedure All source audio 
trouble shooting 
Y
Follow procedure analog TV video 
trouble shooting
N
Replace BCM IC (IC100)
Check #3 for 5V, #13 for 1.25V, #14 
for 3.3V on TU1500 
Check IC506 for 5V, IC503 for 1.25V, 
L504 for 3.3V output Voltage
N
Y
Check SIF signal C1501
Replace TU601
N
Y
Check SIF signal (C319)
Check SIF line
N
Y
Y
Repair Process-Reference data
A2-3
2010. 12 . 24
ⓒ LG Electronics. Inc.2010
Check Connector and cables
JK803 (Component)
JK900 (SCART)
P801 (RGB)
JK800 (Side AV)
Replace connector or 
cable if found damaged
Check signal
JK803 (Component) : R843, R844
JK900 (SCART) : R1024, R1025
P801 (RGB) : R903, R902
JK800 (Side AV) : R935, R936
Replace the Resistor
Check IC101 signal
JK1000 (Component) : C311, C312
JK1001 (SCART) : C314, C315
JK702 (RGB) : C305, C306
JK900 (Side AV) : C308, C309
Replace the Resistor
Follow procedure 
All source audio trouble shooting
Making 
전자 - 6-2
Revision 
PDP TV
Input
Block
Component / AV/RGB Audio Problem
Y
Y
Y
N
N
N
Repair Process-Reference data
A2-4
2010. 12 . 24
ⓒ LG Electronics. Inc.2010
< SPDIF waveform – sample >
- Defend on the input signal.
Making 
전자 - 6-2
Revision 
PDP TV
Input
Block
Optical Audio Problem
N
Check  Signal (JK902  #3)
Check SPDIF signal (R851)
Replace BCM(IC101)
Check 3.3V #2 on JK1003
Y
N
Check IC505 Output
Y
A2-5
Repair Process-Reference data
2010. 12 . 24
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