PANASONIC PLASMA TVs [SU&SD] Board Faults_Service Help

SU & SD BOARD FAULT DIAGNOSIS

• Disconnect 'SU' board from 'SC' board and Power ON the set.  Can see picture normally at the 'Lower Half' of the screen?  "SU" board is faulty.  
• If there is no such stated above, connect 'SU' board, disconnect 'SD' board from 'SC' board, and then Power ON.  Can see picture normally at the Upper Half?  If No, 'SC' board is faulty.  If Yes, 'SD' board is faulty.

Screen shots with a faulty 'SC' board.

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Screen shots with Faulty 'SD' board

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