Question about Panasonic Televison & Video
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Posted on Jan 02, 2017
3 flashes is the error code for convergence failure. You will need to change both of your convergence ICs they are STK392-110 you can get replacement ICs at the following link with free instalation instructions with pictures so you can do the repair your self. Heres the link.
Posted on Jun 22, 2008
The number of flashes is an error code. Count the number of flash. It looks like one of the boards in your set is failing intermittently. Panasonic codes for a guide as a starting point. Exact board STILL has to be verified;
One Blink: One blink of the power LED indicates a problem in the inverter circuit located on the LCD panel. The inverter board is not to be repaired in the field. Therefore a replacement is required.
Three Blinks: Three blinks of the power LED indicates an over-current or over-voltage condition in one of the DC supplies of the AP board. The AP board is repairable. Therefore the use of an ohmmeter and peak-hold-voltmeter is required to determine the cause of the shutdown. An over-voltage condition is definitely a defect of the AP board. An over-current condition may be due to a short circuit located in the AP board, A board, or the LCD panel.
Five, Seven, or Eight Blinks: The A board is responsible for five, seven or eight blinks of the power LED. The MAIN +3.3V, MAIN +5V, and MAIN +9V sources are all produced on the A board. The detection input pins of the MPU, IC1100, monitor for their presence.
Four or Six Blinks: The AP board is responsible for four or six blinks of the power LED. The DTV9V, and SUB_5V sources are produced on the AP board. The MPU IC1100 monitors for their presence when the unit is connected to AC Power. A short or open circuit on the A board may also be responsible for their absence.
Nine Blinks: Nine blinks of the power LED is due a short circuit in the audio output circuit (s) of the unit. The audio output circuit is located on the A board. Confirm the status of the speakers. If defective, perform a replacement. If ok, replace the A board.
Ten Blinks: Ten blinks of the power LED indicates a malfunction of IC4200, the frame converter. This IC resides on the A board. Therefore ten blinks of the power LED requires the replacement of the A board.
Posted on Feb 11, 2009
SOURCE: Power Issue
Now,u plug in the tv u get a solid red standby power red LED light in the front of the LCD panel right?When u push the power button on the remote u hear a clicking sound?Only one clicking sound,not the power supply board problems.It the Tuner board problems.But u can make sure it the power board problems or not.By taking the tv aparts check the power board,that board where the a/c power cord goes into it.Look all around the power supply board check for these leakage capacitors,they alway bulges up it top or puff up it top.No bad leakage capacitors,then it not the power supply board problems.
Posted on May 14, 2010
Testimonial: "Thanks for your immediate reply. It could be an issue with the TV's tuner. At times, I did noticed the sound wasn't clear after turning on the TV. I had to turn the TV off, then turn it back on to get a clear sound. Now, the stand-by red light immediately clicks off when plugging into the wall socket. The television is now in a TV repair shop. "
SOURCE: I have a Sony KDL52S4100
When you say the power light is on but it is not powering up, what do you mean by that (just that there is no picture)?
Sounds like the inverter has died or the backlight bulb. Either way, it needs a techy to fix.
Posted on Oct 07, 2010
the flashing light is an error code count the falsh sequence and let me know how many times its blinking and I will assist
Posted on Sep 24, 2012
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