Troubleshooting Guide
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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. NO PICTURE - DEAD SET ( ) NO SOUND - SERIES 4 -
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. NO PICTURE - DEAD SET ( ) NO SOUND - SERIES 4 -
Troubleshooting Guide
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DEAD SET ( ) NO SOUND - SERIES 4 - 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.
DEAD SET ( ) NO SOUND - SERIES 4 - 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.
Troubleshooting Guide
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YES NO 03.40 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. 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? SERIES 4 -
YES NO 03.40 DCV PIN 1 CN90 INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. 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? SERIES 4 -
Troubleshooting Guide
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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. SERIES 4 - NO PICTURE - DEAD SET ( ) NO SOUND -
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. SERIES 4 - NO PICTURE - DEAD SET ( ) NO SOUND -
Troubleshooting Guide
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NO PICTURE - DEAD SET ( ) NO SOUND - 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. SERIES 4 -
NO PICTURE - DEAD SET ( ) NO SOUND - 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. SERIES 4 -
Troubleshooting Guide
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YES NO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. NO POWER LED Does a Blink Code appear when the unit is turned on? DEAD SET ( ) NO SOUND - SERIES 4 - NO PICTURE -
YES NO INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. NO POWER LED Does a Blink Code appear when the unit is turned on? DEAD SET ( ) NO SOUND - SERIES 4 - NO PICTURE -
Troubleshooting Guide
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NO POWER LED Suspect a Problem with the Main Board. DEAD SET ( ) NO SOUND - INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. SERIES 4 - NO PICTURE -
NO POWER LED Suspect a Problem with the Main Board. DEAD SET ( ) NO SOUND - INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. SERIES 4 - NO PICTURE -
Troubleshooting Guide
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NO PICTURE - REPLACE MAIN BOARD POWER SUPPLY PANEL In-Warranty Panel replacement requires pre- NO POWER LED Use the Blink Code Chart to Help Diagnose the Problem. authorization INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. DEAD SET ( ) NO SOUND - SERIES 4 -
NO PICTURE - REPLACE MAIN BOARD POWER SUPPLY PANEL In-Warranty Panel replacement requires pre- NO POWER LED Use the Blink Code Chart to Help Diagnose the Problem. authorization INFO FORWARD BACK HOME END © 2010 TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C. DEAD SET ( ) NO SOUND - SERIES 4 -
Troubleshooting Guide
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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. DEAD SET ( ) NO SOUND - SERIES 4 - 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. DEAD SET ( ) NO SOUND - SERIES 4 - NO PICTURE -
Troubleshooting Guide
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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. 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. SERIES 4 - DEAD SET ( ) NO SOUND -
Troubleshooting Guide
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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. NO POWER LED Suspect a problem in the Power Supply. DEAD SET ( ) NO SOUND - NO PICTURE - SERIES 4 -
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. NO POWER LED Suspect a problem in the Power Supply. DEAD SET ( ) NO SOUND - NO PICTURE - SERIES 4 -
Troubleshooting Guide
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Normally, this board is part of the display. In-Warranty Panel replacement requires pre- That being the case, order the LCD Panel. SERIES 4 - BACKLIGHT PROBLEMS Suspect the LED Driver Board. authorization 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.
Normally, this board is part of the display. In-Warranty Panel replacement requires pre- That being the case, order the LCD Panel. SERIES 4 - BACKLIGHT PROBLEMS Suspect the LED Driver Board. authorization 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.
Troubleshooting Guide
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SERIES 4 - Normally, this board is part of the display. In-Warranty Panel replacement requires pre- BACKLIGHT PROBLEMS Suspect the LED Driver Board. authorization 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. That being the case, order the LCD Panel.
SERIES 4 - Normally, this board is part of the display. In-Warranty Panel replacement requires pre- BACKLIGHT PROBLEMS Suspect the LED Driver Board. authorization 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. That being the case, order the LCD Panel.