Toshiba 46SL500U Troubleshooting Guide

Toshiba 46SL500U Manual

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  • Toshiba 46SL500U | Troubleshooting Guide - Page 1
    TOSHIBA 2010 Toshiba LCD Technical Training SL500U Chassis Family LCD510 SERIES 4 INTERACTIVE TROUBLESHOOTING 40SL500U, 46SL500U, 55SL500U FORWARD © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 2
    SERIES 4 - INTERACTIVE TROUBLESHOOTING INTERACTIVE LEARNING PREVIEW 24.00 DEAD SET NO VIDEO BACKLIGHT NO AUDIO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 3
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Is 5 volts present at pin 12 of CN90 when AC is applied? 05.00 DCV YES NO PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 4
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Suspect a problem in the Power Supply For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 5
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Does 3.4 volts appear at pin 11 of CN90 when the power button is pushed? YES NO 03.40 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 6
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Does 12 volts appear at pins 1, 2, 3, & 4 of CN90 when the power button is pushed? 12.00 DCV YES NO PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 7
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Suspect a problem in the Power Supply For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 8
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Does a Blink Code appear when the unit is turned on? YES NO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 9
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Suspect a Problem with the Main Board. INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 10
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Use the Blink Code Chart to Help Diagnose the Problem. REPLACE MAIN BOARD POWER SUPPLY PANEL In-Warranty Panel replacement requires pre- authorization INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 11
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Does 3.4 volts appear at Pin 9 of CN90 when the Power Button is pushed? 03.40 DCV YES NO PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 12
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Suspect a Problem with the Main Board. INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 13
    SERIES 4 - DEAD SET ( ) NO SOUND - NO PICTURE - NO POWER LED Suspect a problem in the Power Supply. For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 14
    SERIES 4 - NO OR DISTORTED VIDEO YES NO Does the back light function normally when the unit is turned on? "Normally" means in a reasonable time frame and evenly lit. INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 15
    SERIES 4 - NO OR DISTORTED VIDEO Is the screen discolored or does it have streaks and dark areas as shown in the example below? YES NO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 16
    it. If not, or if it does not help, replace the LCD Panel. THE T-CON IS POSSIBLE, BUT UNLIKELY. SUSPECT THE LCD PANEL. T-Con In-Warranty Panel replacement requires pre- authorization For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010
  • Toshiba 46SL500U | Troubleshooting Guide - Page 17
    SERIES 4 - NO OR DISTORTED VIDEO When the Input button is pressed on the Receiver or the Remote, is the On Screen Display Clear and Normal? YES NO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 18
    SERIES 4 - NO OR DISTORTED VIDEO Suspect a Problem with the Main Board. For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 19
    SERIES 4 - NO OR DISTORTED VIDEO Are the voltages normal at pins 1, 2, 3, & 4 of CN90 (12v)? YES NO 12.00 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 20
    at CN651 and CN652. If it is present, suspect a problem the T-Con or LCD Panel. If it is not present, replace the Main PCB. .015 DCV In-Warranty Panel replacement requires pre- authorization .017 DCV For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK
  • Toshiba 46SL500U | Troubleshooting Guide - Page 21
    SERIES 4 - NO OR DISTORTED VIDEO Suspect a problem in the Power Supply. For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 22
    SERIES 4 - BACKLIGHT PROBLEMS Is 3.3vDC present at pin 21 of CN90- after turn-on? YES NO 03.30 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 23
    SERIES 4 - BACKLIGHT PROBLEMS Is 3.3vDC present at pin 21 of CN90- after turn-on? YES NO 03.30 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 24
    SERIES 4 - BACKLIGHT PROBLEMS Replace the Main Board For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 25
    SERIES 4 - BACKLIGHT PROBLEMS Is 24vDC present at pin 16 (white wire) on P860 when the unit is turned on? YES NO 24.00 DCV P860 PIN 16 For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 26
    SERIES 4 - BACKLIGHT PROBLEMS Suspect the LED Driver Board. Normally, this board is part of the display. That being the case, order the LCD Panel. In-Warranty Panel replacement requires pre- authorization For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD
  • Toshiba 46SL500U | Troubleshooting Guide - Page 27
    SERIES 4 - BACKLIGHT PROBLEMS Remove AC, unplug LVDS Cables and CN101. Does the 24 volts return when AC is reapplied and the unit is turned on? YES NO DOES 24V RETURN? UNPLUG REMOVE FROM OUTLET INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 28
    SERIES 4 - BACKLIGHT PROBLEMS Suspect the LED Driver Board. Normally, this board is part of the display. That being the case, order the LCD Panel. In-Warranty Panel replacement requires pre- authorization For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD
  • Toshiba 46SL500U | Troubleshooting Guide - Page 29
    SERIES 4 - BACKLIGHT PROBLEMS Suspect a problem in the Power Supply. For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 30
    SERIES 4 - AUDIO PROBLEMS Using the Remote or the Manual keyboard, access the Menu and Input functions to make sure the speakers are on and the input selection is a known good source. Did this restore audio? YES NO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 31
    SERIES 4 - AUDIO PROBLEMS Problem Solved INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 32
    SERIES 4 - AUDIO PROBLEMS Is 24vDC present at pins 17 & 18 of CN90 after turn-on? YES NO 24.00 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 33
    SERIES 4 - AUDIO PROBLEMS Replace the Main Board. For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 34
    SERIES 4 - AUDIO PROBLEMS Suspect a problem in the Power Supply. For parts information contact the Toshiba National Parts Center 1-800-345-9785 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
  • Toshiba 46SL500U | Troubleshooting Guide - Page 35
    TOSHIBA This concludes your interactive course of study on: LCD510 xxSL500U Series 4 Interactive Troubleshooting HOME
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TOSHIBA
2010 Toshiba LCD
Technical Training
SL500U Chassis Family
LCD510
SERIES 4
INTERACTIVE
TROUBLESHOOTING
40SL500U, 46SL500U, 55SL500U
© 2010 TOSHIBA
AMERICA CONSUMER PRODUCTS, L.L.C.
FORWARD