Technical description and composition of the ASANO 43LU8030S TV, panel type and modules used. The composition of the modules.ASANO LED
Model: 43LU8030S
Chassis / Version: TP.MT5522S.PC822
Panel: HV430QUB-N4E
LED backlight: HC430DGG-ABTL1-A11X
LED driver (backlight): integrated into MainBoard
MOSFET LED driver: TO-252
Power Supply (PSU): integrated into MainBoard
PWM Power: PFC, PWM (SO-16)
MOSFET Power: TO-252
MainBoard: TP.MT5522S.PC822
IC MainBoard: CPU: MT5522ZHOJ
Tuner: NoName
Specifications 43LU8030S
ASANO 43LU8030S
General recommendations for TV LCD LED repair
Possible manifestations of defects
- TV ASANO 43LU8030S does not turn on, does not respond to the remote control and control panel buttons, the indicators do not light up or flash.
In such cases, the AC / DC converter of the mains voltage, which is combined with the main board TP.MT5522S.PC822, is often faulty. Its output voltages should be measured and, in their absence, the serviceability of the power switches (TO-252) and rectifier diodes in the converters should be checked for possible breakdown.
In case of breakdowns of semiconductors in the secondary circuits, the converter can usually operate in an emergency in the short-circuit mode, and in the event of a short-circuit in the power elements of the primary circuit, the mains fuse often breaks.
Breakdown of power switches (MosFet) in switching sources is sometimes caused by malfunctions of other circuit elements, for example, in the circuits supplying the PWM controller, frequency setting or damper, as well as in the circuits of Negative Feedback (OOS) stabilization. PWM controllers (PWM) PFC, PWM (SO-16), if they do not have visible damage to the case and an outright short circuit between the pins, are usually checked by replacement.
- There is no picture, but there is sound and all other functions work. Sometimes when you turn it on, the image appears and disappears for a second.
In some of these cases, the malfunction is caused by the lack of display backlighting. The reason can sometimes be in the power supply of the LEDs, but more often in their malfunction (breakdown or open circuit), sometimes in the violation of the contact connections of the LED strips.
To identify an open circuit in the LED lines without disassembling the panel, a current source is required. It is impossible to open the junctions connected in series with a simple multimeter; a voltage of several tens of volts is required.
- The indicator blinks or is on constantly, the TV does not turn on, does not respond to the remote control.
Repair or diagnostics of the TP.MT5522S.PC822 motherboard should begin with checking the stabilizers and power converters necessary to power the microcircuits and matrix. If necessary, you should update or replace the software (software). In cases of attempts to repair the MB (SSB) board, it is necessary to check the serviceability of its elements - CPU: MT5522ZHOJ which may require replacement with new ones. If a BGA processor is installed, there is a possibility of a violation of the soldering of the contacts of its pins with the board (indicated by warming up).
Before replacing the NoName tuner, if there is no tuning to the channels, you must first check the software and the supply voltage at its outputs. You also need to make sure that the tuner and processor can exchange data via the I2C bus
Attention to TV owners! Attempts to repair ASANO 43LU8030S by yourself are not recommended by the manufacturer and can lead to serious negative consequences!
Main features of the ASANO 43LU8030S device:Installed matrix (LED panel) HV430QUB-N4E.
A converter combined with the TP.MT5522S.PC822 main board is used to power the backlight LEDs. TO-252 switches are used as power elements of the LED driver.
The power module is combined with the MainBoard and is made according to the AC / DC flyback voltage converter using PFC, PWM (SO-16) microcircuits and TO-252 type power switches.
MainBoard - the main board (motherboard) is a TP.MT5522S.PC822 module, using CPU chips: MT5522ZHOJ and others.
Tuner NoName provides reception of television programs and tuning to channels.
ASANO 43LU8030S LCD TV, 42.5 "(108 cm) 16: 9 format diagonal. The required screen brightness of 280 cd / m² is provided by LED backlighting. Contrast, as the ratio of maximum brightness to minimum, is 1200: 1. V The technology of manufacturing the screen of this TV model is realized with LED backlighting.
There is a convenient function for recording TV programs on a USB-drive with subsequent viewing at another time (TimeShift).
You can watch movies in the highest UHD quality at a resolution of 3840x2160 pixels in 4K UHD, HDR. Image processing is performed using modern High Dynamic Range (HDR) technology with an extended range of brightness gradations.
The 43LU8030S TV is equipped with SMART software, built-in applications and the ability to work on the Internet. Internet connection can be made via Wi-Fi wireless connection. Supported media file formats: MP3, MPEG4, HEVC (H.265), Xvid, JPEG.
Speaker power 14 W (2x7 W) is provided by two speakers. The NICAM STEREO audio processing system is used.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, VGA, HDMI x3, USB x2, Ethernet (RJ-45), Wi-Fi. A headphone output is provided.
The digital tuner is capable of receiving TV channels in the DVB-T MPEG4, DVB-C, DVB-T2, DVB-S2 standards.
Dimensions: with stand 966x596x180 mm, without stand 966x559x89 mm.
TV weight: with stand: 6.5 kg, without stand: 6.2 kg.
Attention! The panel of the ASANO 43LU8030S LED TV is an expensive and unreliable element.
Do not allow any impacts on the glass and pressure on the screen surface to avoid damage to the LED panel!
It is also unsafe for liquid to spill onto the screen. Sometimes one drop is enough if it drips down the glass onto the cables to make the TV non-repairable.