LCD TV Service Manual
7.3 TV won’t Power On
TV won’t power on
Is LED light?
YES
NO
Check Power | YES | Make Sure Power |
Inlet |
| source is live |
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NO
BLUE
YES
OSD?
NO
RED
Check signal
Source
YES
NO
| Check Power | YES | Replace |
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| Cord |
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| Power Cord |
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| NO |
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| Only |
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| Check/replace IR |
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| BD or Keypad |
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| one works |
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Try Power on by |
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| PCA |
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RC and Button |
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Neither |
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works |
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| Work |
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| Replace Main |
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| BD |
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Replace Main BD
NO
YES
Replace Panel
Power on | YES | OK |
NO
Replace Power BD
OK
Hisense Confidential
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