CA-288 Universal 26inch-55inch LED LCD TV Constant Current Inverter Board Backlight Driver Module DC

CA-288 Universal 26inch-55inch LED LCD TV Constant Current Inverter Board Backlight Driver Module DC 19-45V to DC 60-165V

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CA-288 Universal 26inch-55inch LED LCD TV Constant Current Inverter Board Backlight Driver Module DC 19-45V to DC 60-165V

Type 1Product :

Type: Non-isolated power supply

Input range: 19-45V DC

Dimensions: 120mm*60mm

Output range: 60-165V DC

Universal size: for 26-55 inch LED TV

Output current: 10MA-1000MA can be set according to needs

Precautions

The working voltage of the light bar must be any voltage between 60V-165. It cannot be lower than 60v; the design limit working voltage condition of this product should not be higher than 165v. If the voltage exceeds this voltage, the screen will be dark or the lamp will flicker.

This product is only constant current, not constant voltage, the voltage will be automatically adjusted to the corresponding voltage according to the demand voltage of the light bar;

There is no problem with the quality and performance of this product, and it may not be able to light up for modification, because the of the modified product are unknown. Voltage, power supply, connection, structure, etc. may cause mismatch.

Possible problems with correct lighting

Option One:

After connecting the dimming foot, try to use the remote control to adjust the brightness to try to see if it can be solved. If it can't be solved, test the voltage of the actual pin. (Note: The brightness of my product is the largest when the voltage is high, and the brightness is the darkest when the voltage is high. ). If it is an analog voltage mode, the voltage range is between oV-5v or 0V-3.3v. If the voltage is always high and cannot be reduced, this should be adjusted; if it is a PwM signal, the voltage is stable at 3.3V.

Option II:

Adjust the resistance on the board to increase the current to meet the requirements.

Package Included:

1 x CA-288 LCD boost driver board

Type 2Features:

1: Wide range of applications

2: Small size

3: Simple to use

4: stable performance

5: 26-55 inch universal typeparameter:

Input voltage range: 10-26V DC

Output voltage range: 65-165V DC

Output current: 10MA-1000MA can be set

Size: 12*6cm (manual measurement) Net weight: 55gThe working voltage of the light bar must be any voltage between 65V-165. Can't be lower than 65V

It cannot be higher than 165V. The design limit working voltage of this product should not be higher than 165V. If this voltage is exceeded, the screen will be dark or the lamp tube will flicker. This product is only constant current, not constant voltage. The voltage will be automatically adjusted to the corresponding voltage according to the demand voltage of the light bar, so you do not need to worry about the voltage measured when it is no-load.Regarding the description of changing the resistance, not every light bar needs to change the resistance when going back. Go back and light it up first. If the brightness is too dark, you need to increase the current by short-circuiting the resistance. It doesn't matter if it is connected to the resistance, please be aware of the maintenance colleagues!Possible problems with correct lighting:1. The brightness is not enough, and the screen is obviously darker than the board. At this time, we should start from two aspects. First, after connecting the dimming feet, try to use the remote control to brighten the brightness to see if it can be solved. If it cannot be solved, test the actual situation. (Note: the brightness of my product is the largest when the voltage is 0V, and the brightness is the darkest when the voltage is high.) If it is analog voltage mode, the voltage range is between 0V-5V or 0V-3.3V, if the voltage is always high The voltage cannot be lowered and this should be adjusted. If it is a PWM signal, the voltage is stable and is 3.3V. At this time, if it is adjusted to the brightest and still fails to meet the requirements, the second scheme must be implemented. Second, adjust the resistance on the board and increase the current to meet the requirements.List:

1*Universal 26-55 inch LCD TV LED constant current board booster board backlight high voltage board

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