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Louie
Louie, Technician
Category: TV
Satisfied Customers: 2557
Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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I am working on a 2008 Panasonic thc50hd18 and am getting

Customer Question

Hi, I am working on a 2008 Panasonic thc50hd18 and am getting the 7 blink code. I researched and replaced the SC/SU/SD boards all at one time to make sure to cover the possible problem areas but an still getting the 7 blinks. Do I need to reset the unit somehow to get rid of stored codes or am I missing something
Submitted: 1 year ago.
Category: TV
Expert:  Dan replied 1 year ago.

Welcome to the site! I'm Dan. Please reply back so I know you're here. Also, are you with the unit now?

Customer: replied 1 year ago.
Im here, unit in next room.
Expert:  Dan replied 1 year ago.

OK. I'll need the part numbers off the new boards you installed. Also, where did you get them?

Customer: replied 1 year ago.
txsnd1rqtu,txnsu1rqtu,txnsc1rqtus Tri State Module
Customer: replied 1 year ago.
txnsd1rqtu for first board
Expert:  Dan replied 1 year ago.

OK pulling up my service data now. Stand by.

Expert:  Dan replied 1 year ago.

OK remove the SD board completely from the TV. Set it aside on a separate table. Now try to turn the TV on. Tell me if you're still seeing 7 blinks.

Customer: replied 1 year ago.
same problem
Expert:  Dan replied 1 year ago.

Reinstall the SD and do the same test for the SU.

Customer: replied 1 year ago.
same issue
Expert:  Dan replied 1 year ago.

OK, multimeter handy?

Customer: replied 1 year ago.
Expert:  Dan replied 1 year ago.

OK make a list of the following voltages. Some might be there and some might not... just check all of them and report back. >>LIST IS HERE<<

Customer: replied 1 year ago.
Working on it. How can I reach you in 30 minutes, something has come up.
Expert:  Dan replied 1 year ago.

Just reply back to this thread. No rush.

Customer: replied 1 year ago.
Thanks
Expert:  Dan replied 1 year ago.

You're welcome!

Customer: replied 1 year ago.
im back
Customer: replied 1 year ago.
Hello, is anyone there
Expert:  Dan replied 1 year ago.

Looks like your question fell off the list. Not sure why. Let me know if you still need help with the Panasonic...

Customer: replied 1 year ago.
I replied back but no one answered. I am on the road right now, can I contact you later this evening or tomorrow. Yes I still need help.
Expert:  Dan replied 1 year ago.

OK, no problem. I'll be around.