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Panasonic TH-42PZ700U TV turns on then imeadilty shuts down power light blinks 7 times

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Circuit board inside is bad. You need the "SC" board replaced. This is the most common board causing the shut down with 7 blink condition. there is a firmware upgrade that needs to be done to the TV after the board is replaced to prevent this problem from happening again. Contact an authorized Panasonic repair center, they will know all about this problem. if you find a "consierge Service center" you can get two day service on this set. Must still be under warranty? this is a new model.

Posted on Aug 02, 2008

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Power indicator light blinks-7 times. will a new power supply fix it


Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

Does the TV shut down and the power LED

blink 7 times?

Yes

No

Replace the Panel and the SU board.

(See precaution #3)

Reconnect the SD board only.

(See precaution # 5)

Plug in the TV and turn it on.

Yes

No

With the SU board and the SD board still disconnected, remove connectors SC2 and SC20 from the SC board (See precaution # 6)

Plug in the TV and turn it on.

Disconnect the SD board and reconnect the SU board. (See precaution # 5)

Plug in the TV and turn it on.

Yes

No

Replace the Panel, SD, and SU board.

(See precaution #3)

Replace the Panel and the SD board.

(See precaution #3)

Replace the SC board.

(See precaution #3)

No

Replace the D board.

(See precaution #3)

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED
blink 7
There is a sequence that you have to check to figure out which board is bad,

Feb 16, 2011 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

Picture went out and no audio, red light on power blinks seven times and repeats.


Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

Does the TV shut down and the power LED

blink 7 times?

Yes

No

Replace the Panel and the SU board.

(See precaution #3)

Reconnect the SD board only.

(See precaution # 5)

Plug in the TV and turn it on.

Yes

No

With the SU board and the SD board still disconnected, remove connectors SC2 and SC20 from the SC board (See precaution # 6)

Plug in the TV and turn it on.

Disconnect the SD board and reconnect the SU board. (See precaution # 5)

Plug in the TV and turn it on.

Yes

No

Replace the Panel, SD, and SU board.

(See precaution #3)

Replace the Panel and the SD board.

(See precaution #3)

Replace the SC board.

(See precaution #3)

No

Replace the D board.

(See precaution #3)

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED
blink 7 times?

Feb 15, 2011 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

I have a panasonic plasma tv. Model #


I don't know but I'm having a similar problem. I have a plasma
TH-50PZ77U. It will run for a while and then shuts off. Also, the volume goes up and up and then it shuts off at times. Like I have a ghost here. I had both of my sat. recievers replaced. It seems to get worse over time with shut down. I called panasonic and they had no info and denied this was an issue but I beg to differ from my research here online. It's only a few years and we paid lots of $$$. They gave me a # for service 1 hour away!

Jun 20, 2010 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

Error codes. no picture or sound after turning


When the SUB5V or MAIN9V/SUB9V, short or over-voltage 15V short condition occurs, the TV shuts down and the power LED blinks 10 times.

May 15, 2010 | Panasonic Televison & Video

1 Answer

My Panasonic TH-42PZ700U 42in. TV doesn't turn on anymore. The red power light blinks 7 times. I hold down the power button until it stops blinking. When I let go of the button, the red power light stays...


Power supply board have dead capacitors.U know how to solders?Buy these capacitors to replaced them to have power back.Or u can buy a whole power supply board for the replacement at these websites Shopjimmy.com,Ebay.com for refurbish power suppply board.

Mar 04, 2010 | Panasonic TH-42PZ700U 42 in. Plasma...

2 Answers

Panasonic TH-42PZ700U Blinking Light Of Death


Panasonic sent a repairman out with the correct part for free, even though the unit was out of warranty. Call 800-524-1448 1 or 800-211-7262

Sep 08, 2009 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

Panasonic TH-42PZ700U 7 blinks


Remove the back panel. Blow out the dust with compressed air and then vacuum.

Aug 16, 2009 | Panasonic PT-50DL54 50" Rear Projection...

1 Answer

TV power light blinks 7 times and won't turn on


your sc bord is shot replace board and do firmware upgrade will coast about 400

Feb 12, 2009 | Panasonic TH-42PZ700U 42 in. Plasma...

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