Table Of Contents - LG 50PW450 Service Manual

Table of Contents

Contents2
Safety Precautions3
Leakage Current Cold Check (Antenna Cold Check)3
Leakage Current Hot Check Circuit3
Specification4
Adjustment Instruction6
Application Range6
Main Pcb Check Process6
Boot File Download6
Usb Download7
Adc Process7
Function Check8
Total Assembly Line Process8
Check Display And Sound8
Power Pcb Assy Voltage Adjustment - Vs Voltage Adjustment8
Dpm Operation Confirmation - Only Apply For Mnt Model9
Ddc Edid Write (Rgb 128Byte)/(Hdmi 256Byte)9
Edid Data9
Edid Data Auto Download9
Manual Download10
Checking The Eye-Q Operation11
Ping Test11
3D Function Test11
Model Name And Serial Number Download11
Signal Table12
Command Set12
Ci+ Key Download12
Check The Method Of Ci+ Key Value12
Sw Download Guide13
Block Diagram14
Exploded View15
Circuit Diagram16
Pdp Tv Repair Process Index25
No Picture/Sound Ok26
Repair Process26
No Picture/No Sound27
Mal-Discharge/Noise/Dark Picture28
Picture Broken/Freezing29
Vertical Bar/ Horizontal Bar30
No Power (Not Turn On)31
Power Problem31
Turn Off (Instant, Under Watching)32
No Sound/ Sound Distortion33
Sound Problem33
General Function Problem34
Remote Control & Local Key & Rf Emitter Checking34
Repair Process Reference Data Index36
Picture Problem38
Check Module Pattern By Tilt Key38
Audio Check Method39
All Input Audio Problem40
Digital Tv / Hdmi Audio Problem41
Analog Tv Audio Problem42
Component / Av/Rgb Audio Problem43
Optical Audio Problem44
Check Va, Vs On Power Board45
Pdp Module Label Information46
Check & Adjust – Vy,Vsc, Vzb Voltage (50R3)47
Ysus Board47
Zsus Board48
Digital Tv Video Problem49
Analog Tv Video Problem50
Component Video Problem51
Rgb (D-Sub) Video Problem52
Av Video Problem53
Hdmi Video Problem54
Fuse Checking Method55
Y-Sus Board Checking Method (50R3)56
Measurement Method56
Specifications56
Measuring Method57
Check 5V, 17V On Power B/D58
Control Board Checking Method (50R3)59
Mal Discharge Symptom60
Pdp Module Rom Ver. Checking Method61
Y Drive B/D Checking Method (50R1)62
Y Drive Board62
(Half Picture) X- B/D Checking Method (50R1)63
Defect Type Cause By Pdp Module64
Connector Type On Pdp Module65
Rf Signal Level Checking Method66
Check Voltage On Power Board67
Power Board Checking Method68
Check Power Off History69
Speaker Cable Checking Method70
General Function Defect71
Check Remote Control Ir Operation71
Check Local Key Operation72
Check Rf Emitter Operation73