DOWNLOAD LG 50PZ550-ZA / 50PZ550A-ZA / 50PZ550N-ZA (CHASSIS:PD11A) Service Manual ↓ Size: 12.89 MB | Pages: 73 in PDF or view online for FREE

Model
50PZ550-ZA 50PZ550A-ZA 50PZ550N-ZA (CHASSIS:PD11A)
Pages
73
Size
12.89 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pz550-za-50pz550a-za-50pz550n-za-chassis-pd11a.pdf
Date
PREV: LG 50PZ550-ZA / 50PZ550A-ZA / 50PZ550N-ZA / 50PZ551-ZC / 50PZ552-ZD (CHASSIS:PD11A) Service Manual

LG 50PZ550-ZA / 50PZ550A-ZA / 50PZ550N-ZA (CHASSIS:PD11A) 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. 11. 16
ⓒ 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 MSTAR IC (IC400)
Check #3 on TU300 for 5V
Check IC605 output Voltage
N
Y
Check SIF signal C301
Replace TU300
N
Y
Check SIF signal (C301)
Check SIF line
N
Y
Y
Repair Process-Reference data
A2-3
2010. 11. 16
ⓒ LG Electronics. Inc.2010
Check Connector and cables
JK210(Component)
JK100, JK101 (SCART)
JK208 (RGB)
JK207 (Side AV)
Replace connector or 
cable if found damaged
Check signal
JK210 (Component) : R261, R262
JK100, JK101 (SCART) : R128, R131, R193, 
R194
JK208 (RGB) : R215, R216
JK207 (Side AV) : R1201, R1202
Replace the Resistor
Check IC400 signal
JK210 (Component) : C441, C442
JK100, JK101 (SCART) : C435, C436, C437, 
C438
JK208 (RGB) : C443, C444
JK207 (Side AV) : C439, C440
Replace the Capacitor
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. 11. 16
ⓒ 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 (JK204  #3)
Check SPDIF signal (R296)
Replace MSTAR(IC400)
Check 5V #2 on JK204
Y
N
Check P601 Output 
(L604,L605)
Y
A2-5
Repair Process-Reference data
2010. 11. 16
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