Question about Akai CFTD2052 20 in. EDTV-Ready LCD TV/VCR/DVD Combo

1 Answer

Polaroid LCD TV TLA-4641C

The menu keeps flashing on and off. I cannot access anything with the remote or on the TV. When I press the input button on the TV it will stop the menu from flashing but I can only access the screen it freezes on, the picture screen.

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  • Akai Master
  • 19,396 Answers

If the TV goes in standby, then it is in protection mode.

Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |


On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem

On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.

On Rear Projection : check lamp, lamp ballast, power board, and convergence.

On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.

Posted on May 05, 2009

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1) Use 2 new AA batteries in RC32 remote control;
2) Slide mode switch to "TV";
3) Press and hold the MUTE and SELECT keys at the same
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6) Point the remote at the TV and press CHAN+. Repeatedly press CHAN+ until the TV turns off. Every time CHAN+ is pressed the remote advances to the next code and power is transmitted to the component.
7) Use the CHAN- key to step back a code.
8) When the TV turns off, stop pressing the CHAN+ key. Then, press and release the SELECT key. If the light flashes 3 times before the TV or component responds, you've cycled through all codes and the code you need is not available. You must use the TV remote control.
9) To verify the code, slide the MODE switch to the appropriate position.
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12) To view the first digit in the code, Press and release then number 1 key. Wait three seconds, and count the number of times the green light flashes. Write this number down in the TV owner manual.
13) Press number 2 for the second digit, 3 for the third digit, 4 for the fourth digit and 5 for the final digit.

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