Question about Panasonic TH-42PZ700U 42 in. Plasma Television
Our nephew gave us this tv Model TH-42PZ700U. He did not have it plugged in for a long time because the picture had a problem with red hues all over.When we set it up the picture was fine except for a yellow vertical stripe on the left side of the screen which went away after 20 minutes. The picture worked fine for a few days until last night, when the red hues appeared again. I turned it off and on and the picture came back okay but after a few minutes went back to red. I turned it off and this morning I turned it back on and now the picture stays red. What is wrong with this tv? There is no warranty since it was bought in 2007
Posted by Anonymous on
The TV is a plasma screen. There are several circuit boards that will go bad over time that affects the picture quality. TV Parts Universal TV Stands DLP Chips ShopJimmy You can get the parts here and replace those boards yourself.
Posted on Apr 10, 2017
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Posted on Jan 02, 2017
hello, panasonic plasmas have a safety shut down circut to protect the main panel when a short is present or internal circut panel is non functional some info i found in the service manual for 10th generation plasma
if your tv is still under warantee take advantage of the pany free service other wise it is a matter of exchanging the defective board then you will need electronic skills for this repair if you plan to do it yourself. it would be wise to have a skilled tech check it out and give you a estimate there are some techs that will come out and check it for free and give you a repair price.
here are some repair manual tips for blinking panasonic .. i didnt find 9 blinks on this manual i may be using a different manual but these are panasonic plasma blinking fault tips for 10th gen
becuase all models have different blinking codes you may need the model specific service manual
for 10th gen model some models 2008,2007,
8 Blinks SOS: Pin 91 of the MPU IC9003 monitors the status of the SS board. During normal operation, pin 8 of connector SS23 outputs a low to pin 91. If the SS board becomes defective, a high is provided to pin 91. As a result, the unit shuts down and the power LED blinks 8 times.
9 blinks panel config sos
10 Blinks SOS: The SUB5V and DT9V sources created on the A board are monitored by IC1100. If they are not present at pin 30 and 34, the MPU shuts down the unit. The power LED blinks 10 times.
10 Blinks SOS: The F_STB_15V of the P board, as well as the derived SUB5V and DT9V sources are monitored on the A board for excessive current. If a short circuit is developed in one of the supplied lines, pin 114 of IC1100 receives a high. The SUB5V and DT9V lines are also monitored for excessive voltage. When an over-voltage condition is detected, a high is also output to pin 114 of IC1100. The DT9V is provided to a DC/DC converter to create the BT30V for the tuner. If the BT30V becomes excessive, a high is output to pin 114 of IC1100. A high at pin 114 of IC1100 causes the unit to shutdown and the power LED to blink 10 times.
hope this helps..
Posted on Dec 09, 2008
SOURCE: panasonic viera hd tv th 50pz80u
We had a Pioneer that did the same thing. We called a Pioneer Service Center. It appears there was a recall on the Power Supply. They fixed it in our home at not charge.
Posted on Jan 07, 2009
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