Philips LCD 37PF7320A Red LED Codes

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Hello,

We have a Philips LCD 37PF7320A that has no video but has the error code of 5 slow blinks followed by 3 quick blinks.  We looked at the manual, but couldn't determine what that meant or if it was worth repairing.  Does anyone know about the codes or how to interpret them?  I would appreciate any help.

Thank you!