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SAMSUNG LCD MOD.LE32S71B : AT START THE RED LED PULSES

SAMSUNG LCD MOD. LE32S71B : AT START THE RED LED ALIGHTS BUT THE TELEVISION REMAIN STOP

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Replace swollen capacitors on the power board.

Posted on Sep 12, 2009

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LED TV pulsing


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Hitachi C2143S TV


you have a very unhappy tv...sounds like you have a relay clicking, or worse, something about to fail. the led pulsing is a warning signal, and going pure red means that you have a major failure inside the box.

you doing the service yourself, or open to a service pro coming in for this?

Mar 07, 2008 | Televison & Video

1 Answer

LG 17LX1R flashing red LED - TV won't power up


Try changing the input device to something you are sure, works such as a DVD player.

Switch off TV manually, switch off power, remove plug and retry after 48 hours.

If problem persists, please refer it to a qualified service technician.

Aug 02, 2012 | LG 17LX1R 17 in. HD-Ready LCD Television

1 Answer

Nissan pulsar 1987 n13 the ECM light came one and the car cut out and won't start again and I need to know where the ECM is


Hi, the computer is under the passenger's seat. Code extraction procedure is pasted below.


READING CODES Modes will not switch while the engine is running. The ECM automatically switches to MODE I when the ignition is switchedOFF.
1984-90 Vehicles With Dual LED System
The self-diagnostic system has 5 modes. To switch modes, switch the ignition ON and use a screwdriver to turn the mode select switch through the access port on the ECM. The inspection lights will begin to flash. When the desired mode has been entered, turn the screwdriver fully counterclockwise. The red LED and green LED perform different functions in different modes.
Mode I-
This is the normal vehicle operating mode. The green LED will indicate loop status. If the green LED is not blinking when the engine is running, the vehicle is in open loop, or the HO 2 S, O 2 S, or sensor circuit has a malfunction. If the green LED is blinking, the vehicle is in closed loop. If a malfunction takes place, the red LED and the MIL will glow, indicating a malfunction has occurred.
Mode II-
Both the red LED and green LED are used to monitor mixture ratio feedback control. The green LED will function as described in MODE I. If vehicle is in open loop, the red LED and green LED will remain on or off. In order for results to be valid, vehicle must be in closed loop. In closed loop, the red LED remains off if the system is running rich, comes on if the system is running lean, and blinks at the same time with the green LED if system is within 5% of the exact air/fuel ratio.
Mode III
-When this mode is accessed, the codes stored in the ECM's memory will be flashed by the green LED and red LED on the side of the ECM. The red LED will light first. This is the first digit of the trouble code; the green LED will flash next, showing the second digit of the code. For example: 2 flashes of the red LED followed by 1 flash of the green LED corresponds to Code 21.
Mode IV-
This mode is used for checking the throttle plate (TP) switch, starter, and vehicle speed switch status. When the TP switch or starter switch is activated, the red LED will briefly flash as the status changes. For VSS status, the green LED will remain off when vehicle speed is less than 12 mph (19 km/h) and come on when vehicle speed is greater than 12 mph (19 km/h).
Mode V-
This mode represents a real-time diagnostic test of the crank angle sensor, ignition signal and the mass airflow signal. The malfunction code will be displayed only when the malfunction occurs and will not be stored in memory. The output code will appear as a single or short string of pulses. Count the number of pulses for the malfunction code.



1 pulse-CMP sensor signal lost or noise in signal 2 pulses-MAF Sensor signal abnormal 3 pulses-Fuel pump circuit shorted or open 4 pulses-Ignition signal lost

Apr 19, 2011 | 1987 Nissan Pulsar

1 Answer

No power to set but power button is blinking two pulses then stop


This can be a failure on any of the boards. The description is very general. The flashing LED indicates an error sensed during the start-up.

The service tech will determine the defective boards from diagnostics, and replace them as required.


Jerry G.

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2 Answers

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.

Apr 09, 2010 | Samsung LTM1755 17 in. HD-Ready LCD...

1 Answer

55" samsung series 7


No,it a LED power indicator,must glow that indication the tv have power.

Mar 16, 2010 | Samsung LE32R41BD 32 in. HD-Ready LCD...

2 Answers

Tv keeps clicking red light blinking but doesnt come on first it was fifteen minutes then thirty now an hour and it i still not on?


the red light blinks due to a problem in the power supply or deflection circuit, this usually happens when one or two components start changing specified value or just entirely go out. Some samsung tvs do have replaceable boards but you still need to pinpoint the problem to a certain circuit board, either deflection or power board. It may be worth it to call a service tech and describe the problem to get a good idea on the repair cost.

Oct 13, 2009 | Samsung PCK5315RX TV

2 Answers

My tv wont turn on


My LA40A550 Samsung HDTV is 4 months old. It is doing same. That is the red led blinking 2 sec on and then off for ever. No picture, no sound, nothing. just dark black screen. What to do ?

Mar 16, 2009 | Samsung LA40A550 40 in. HD-Ready LCD TV

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