Technical description and composition of the ERISSON 23LEK14 TV, panel type and applicable modules. The composition of the modules.ERISSON LED
Model: 23LEK14
Chassis / Version: MST6M182VG-T7S
Panel: 1080p Full HD, 1920x1080
MainBoard: MST6M182VG-T7S
IC MainBoard: IT6633E-P, SPI Flash: 25Q32
Tuner: KTDANW-14-09
Specifications 23LEK14
ERISSON 23LEK14
General repair guidelines for TV LCD LED
Repair and diagnostics of any electronic device, in particular ERISSON 23LEK14, it is advisable to start with a careful external examination of internal and external elements. Many visible changes in the state of the elements make it possible to determine the future direction of the troubleshooting. If ring cracks are detected in the soldering of the terminals of the elements or dangling connecting tracks, swollen capacitors or charred resistors - all this can be characteristic signs of the causes or consequences of an already known typical malfunction.
In case of a power supply module malfunction, external manifestations may be different, for example, ERISSON 23LEK14 does not turn on at all and there is no indication of control lights on the front panel. With the same symptoms, the stabilizer (converter) of the power supply to the control processor may be faulty. Diagnostics and repair of the common power supply should always begin with a check of the mains fuse and the condition of the electrolytic capacitors of the secondary rectifier filters. Defective and swollen capacitors should be replaced with new ones. If the fuse breaks, it is advisable to check for a breakdown, first of all, all the power semiconductor elements of the converter and the diode bridge of the rectifier network, as well as the large electrolytic capacitor of the filter of the rectifier network.
If a breakdown of the power switch is detected, it should be remembered that in a switching power supply (IIP) it does not fail by itself without any reasons that should be sought by checking other elements of the primary circuit - electrolytic capacitors, a PWM controller, which can only be checked replacement, as well as other semiconductor elements (diodes, transistors, zener diodes).
If, when you turn on the TV, the image appears and immediately disappears, or is missing initially when you turn on, but the sound has other functions that work, there is a high probability of a malfunction of the LED driver (power converter for the backlight LEDs of the panel 1080p Full HD, 1920x1080). In such cases, the general power module is also subject to verification, in which the electrolytic capacitors of the rectifier filter supplying the LED driver should be checked.
A malfunction in the backlight circuits often occurs due to an open in the power circuit of the LED lines. It requires disassembling the panel and checking the LEDs themselves, the rations of their terminals, as well as the reliability of the connections in the connectors and rations of the terminals.
A break in the line of LEDs connected in series cannot be detected with a multimeter or tester without disassembling the panel. To open all the transitions, several tens of volts are needed, and it is best to use a current source for such purposes.
Repair of the MST6M182VG-T7S motherboard must begin with the diagnosis and verification of all linear stabilizers or power converters of its microcircuits. Sometimes it may be necessary to update the software (software) - flashing FLASH or EEPROM.
When repairing an MB board, you need to check its components SPI Flash: 25Q32; . Defective items should be replaced. If BGA chips are installed, their malfunction is usually localized by heating.
Attention to users! Self-repair of the ERISSON 23LEK14 TV without the appropriate qualifications and experience can lead to its complete non-repairability!
FIRMWARE FOR SPI FLASH -----------> ERISSON 23LEK14 , Main: MST6M182VG-T7S, Panel: 1080p Full HD, 1920x1080
The appearance of the MainBoard MST6M182VG-T7S is shown in the figure below:MST6M182VG-T7S can be used in TVs:
DAEWOO DSL-24L31E (Panel K236WL), ERISSON 23LEK14 (Panel 1080p Full HD 1920x1080), ERISSON 19LEK14 (Panel M185BGE-L22 Rev.C1), HYUNDAI H-LED22V5 (Panel LM215WF4), HYUNDAI H-LED24V11 (Panel LM230WF5 (TL)(D1) ), ROLSEN RL-17L1002U (Panel LTN173KT02 ), RUBIN RB-19SL1U WH (Panel 19 ").
Main features of the ERISSON 23LEK14 device:
Installed matrix (LED-panel) 1080p Full HD, 1920x1080.
The required supply voltage for all nodes of the TV ERISSON 23LEK14 provides a switching power supply.
MainBoard - the main board (motherboard) is an MST6M182VG-T7S module, using IT6633E-P, SPI Flash chips: 25Q32 and others.
The KTDANW-14-09 tuner provides reception of television programs and tuning to channels.
Trademark: ERISSON, Model: 23LEK14.
Briefly from the TV: LCD, 1080p Full HD, diagonal 23 "(58 cm), HDMI: 3, USB, backlight type: Edge LED.
The composition uses MainBoard MST6M182VG-T7S and an LCD panel (matrix) 1080p Full HD, 1920x1080.
Technical description
ERISSON 23LEK14 TV with LCD 1080p, 23 "(58 cm) diagonal size of 16: 9 format. The required screen brightness of 300 cd / m² is provided by LED backlighting. Contrast, as the ratio of maximum brightness to minimum, is 1000: 1. The LED panel of this TV has end LED backlighting - Edge LED.The TV's design and technical capabilities include viewing programs and movies in high quality HD at a resolution of 1920x1080 pixels in a graphic resolution of 1080p (Full HD) standard. The source or video signal can be processed in analogue systems PAL, SECAM. Graphic processing and digital signal generation occurs in the standards 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Supported media file formats: MP3, MPEG4, DivX, JPEG.
The power of the acoustic system of sound 6 W (2x3 W) provide two speakers. The audio processing system NICAM STEREO is used.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV x2, audio x4, S-Video, component, VGA, HDMI x3, USB. An output for connecting headphones is provided. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector is used on the TV case, this interface supports resolutions: 640x480, 800x600, 1024x768, 1280x1024, 1360x768, 1920x1080.
Overall dimensions: With a support 567x410x155 mm, Without a support 567x370x37 mm.
Attention! The 1080p Full HD, 1920x1080 panel of an ERISSON 23LEK14 LED TV is an expensive and unreliable element.
Avoid any impact on the glass and pressure on the surface of the screen to avoid damage to the LED panel!
It is also unsafe to get liquid on the screen. Sometimes one drop is enough if it flows down the glass onto the cables so that the TV becomes unrepairable.