Toshiba 32E200U, 37E200U, 40E200U, 32E200UM, 37E200UM Service Manual
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TOSHIBA
2010 Toshiba LCD Technical Training
E200U/UM Chassis Family
2010 LCD410 SERIES 3
INTERACTIVE
TROUBLESHOOTING
32E200U/UM, 37E200U/UM, 40E200U/UM
FORWARD
TOSHIBA AMERICA CONSUMER PRODUCTS, L.L.C.
SERIES 3 TROUBLESHOOTING
INTERACTIVE TROUBLESHOOTING
PREVIEW
DEAD SET
NO VIDEO
BACKLIGHT
NO AUDIO
005.00
D
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Is 5 VDC present at pins 11 and 12 of P802 on the Power Supply when AC is applied?
YES NO
P802 Pin 1
005.00
DCV
P802
Power Supply In/Out To/From Main Board
1.Gnd
2.Gnd
3.24V Aud>
4.24V Aud>
5.Gnd
6.Gnd
7.Gnd
8.12V>
9.12V(Panel Pwr.)>
10.NC
11.5V>**
12.5V>**
13.Pwr. On (Enable) 3.6V<
14.AC Det.(PWR Good) .07V>
15.Dim .1 to 3.3V<
16.BL On 5V<
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Replace the Power Supply
For parts information contact the Toshiba National Parts Center 1-800-345-9785
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Does 3.6vDC appear at pin 13 of P802 when the Power button is pushed?
P802 Pin 1 |
YES NO |
003.60
DCV
P802
Power Supply In/Out To/From Main Board
1.Gnd
2.Gnd
3.24V Aud>
4.24V Aud>
5.Gnd
6.Gnd
7.Gnd
8.12V>
9.12V(Panel Pwr.)>
10.NC
11.5V>**
12.5V>**
13.Pwr. On (Enable) 3.6V<
14.AC Det.(PWR Good) .07V>
15.Dim .1 to 3.3V<
16.BL On 5V<
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Is the Power Good (AC Detect) level approximately 0vDC at pin 14 of P802 when AC is applied?
YES NO
P802 Pin 1
000.00
DCV
P802
Power Supply In/Out To/From Main Board
1.Gnd
2.Gnd
3.24V Aud>
4.24V Aud>
5.Gnd
6.Gnd
7.Gnd
8.12V>
9.12V(Panel Pwr.)>
10.NC
11.5V>**
12.5V>**
13. Pwr. On (Enable) 3.6V<
14.AC Det.(PWR Good) .07V>
15.Dim .1 to 3.3V<
16.BL On 5V<
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Replace the Main PCB
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Replace the Power Supply
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Does 12vDC appear at pin 8 of P802 when the power
button is pushed?
YES NO
P802 Pin 1
012.00
DCV
P802
Power Supply In/Out To/From Main Board
1.Gnd
2.Gnd
3.24V Aud>
4.24V Aud>
5.Gnd
6.Gnd
7.Gnd
8.12V>
9.12V(Panel Pwr.)>
10.NC
11.5V>**
12.5V>**
13.Pwr. On (Enable) 3.6V<
14.AC Det.(PWR Good) .07V>
15.Dim .1 to 3.3V<
16.BL On 5V<
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Replace the Power Supply
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
DEAD SET
Replace the Main PCB
INFO FORWARD BACK HOME END
INTERACTIVE TROUBLESHOOTING
NO OR DISTORTED VIDEO
Does the back light function normally when the unit is turned on?
YES NO
“Normally” means in a reasonable time frame and evenly lit.
INFO FORWARD BACK HOME END
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