Question about Hitachi Televison & Video

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I have an Hitachi (L22DG07U) 22 Inch LED LCD DVD Combi TV that will not turn on, the lights flash between red and blue but no picture.

Changing the batteries in the remote control.

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  • Hitachi Master
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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

Posted on Nov 20, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Panasonic 32 inch LCD TV will not turn on-red light flashing

its not hard to replace the bulb and you can go to any tv shop and have them order it.youll need to give them the make and model number off the back of the tv so they know what to order

Posted on Nov 03, 2008

  • 718 Answers

SOURCE: Panasonic 32 inch LCD TV will not turn on-red light flashing

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

  • 3 Answers

SOURCE: Samsung 32 inch LCD delay in start up

I had a technician fix this exact problem today it is the POWER SUPPLY the TV is not getting enough power to the main board, i have been searching for weeks and no one ever post a solution here it is guys get them fixed $200 only

Posted on Apr 24, 2009

  • 304 Answers

SOURCE: my 32" Samsung lcd tv won't turn on, led is solid red

The Main bd is bad. It is not sending a turn on signal to the power supply.

Posted on Apr 16, 2010

cirocpatel
  • 524 Answers

SOURCE: got new tv Westinghouse LTV-32W1 32 Inch

Hello,
in this case i have to know if your tuner is working fine or not. First of all i like you to connect any external player Exp. DVD or blue-ray player if that works with audio then it is inverter board. if audio doesn't work then its main board. Also you will find out that if dvd is working fine on your tv than your tv setting is wrong or the tunes is dead. either way if tuner is gone then you have to change the main board. Either way let me know what went wrong i can provide you more information about what part need and where can you get it from.
Please let me know if you have any further questions or concerns. Also rate me if you like this post.
Thanks.

Posted on May 11, 2010

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