Technical description and composition of the TV SUPRA STV-LC2414F, type of panel and applicable modules. The composition of the modules.SUPRA
Model: STV-LC2414F
Chassis / Version: V1K09
Panel: M236MWF1
T-CON: PWB VER: 1.2 M236; MTD005-LF-10
Inverter (backlight): integrated into PSU
PWM Inverter: OZ9938GN
MOSFET Inverter: TPC8213-H
Power Supply (PSU): R-HS050L-3HF01
PWM Power: 1271A
MOSFET Power: FQPF7N65C
MainBoard: JUG7.820.699-4 LS07
IC MainBoard: CPU: TSUMV26KE-LF, Spi Flash: 25Q40T, Eeprom: 24LC32B, Audio: SA7454
Tuner: ET-6TK2E-CF109WL3
Technical Specifications STV-LC2414F
SUPRA STV-LC2414F
General repair guidelines for TV LCD
Repair of electronic equipment usually begins with its external inspection and diagnosis of the malfunction. In this case, you should inspect all the internal elements of the JUG7.820.699-4 chassis, as well as the external chassis. Specific external damage to some elements can sometimes indicate further actions to determine the malfunction of the TV and localization of the defect before the necessary measurements are taken. In some cases, faulty elements can be seen with the naked eye, for example, carbonized resistors or swollen metal-ceramic capacitors, or electrolytic in rectifier filters. Ring cracks formed in the soldering of the terminals of transformers or heating elements of the circuit are also frequent sources of many malfunctions with a variety of external manifestations.
Sometimes the SUPRA STV-LC2414F TV simply does not turn on. No control lights on the front panel are lit or blinking, the TV does not respond to the remote control and does not make any sounds or any signs of life when turned on. The most likely cause of the malfunction is a failure of the common power module. If it is working properly, it is necessary to check the processor batteries on the SSB (Main Board). It is advisable to start the troubleshooting of the power supply module by checking the condition of the electrolytic capacitors of the rectifier filters and the mains fuse. Defective capacitors should be replaced. If the mains fuse is broken, it is necessary to check first of all the power semiconductor elements - rectifier diodes and transistors, which are often found in such a state of breakdown.
As a rule, the keys in switching power supplies (SMPS) are reliable enough and rarely fail for no reason to be looked for by checking other components of the circuit - electrolytic capacitors, resistors and semiconductor elements of the primary circuit. The PWM chip is checked by replacing it with a known good one.
In cases where the SUPRA STV-LC2414F TV has lost an image, and the sound is there and all other functions are operational, there is a possibility of a malfunction of the inverter (converter for powering the backlight). When you turn on the TV, the image may appear briefly and immediately disappear. It must be borne in mind that with such manifestations, the lamps themselves also fail, the malfunction of which can be detected by replacement, by connecting to the connectors for diagnostics that are known to be serviceable and suitable in power. Turning off the protection for diagnostic purposes, it must be remembered that in this case there is a risk of failure of the power elements of the inverter. Upon completion of the diagnosis, all regular protection circuits should be restored.
In cases of attempts to repair the motherboard JUG7.820.699-4 LS07, it is necessary to check the operability of the stabilizers or power converters of its microcircuits and, if possible, update the software (software). BGA chips can in most cases be diagnosed by local heating. Often, the MB (SSB) card must be replaced in case of complex malfunctions that are difficult to detect. When trying to repair, you should check its elements - Cpu: TSUMV26KE-LF, Spi Flash: 25Q40T, Eeprom: 24LC32B, Audio: SA7454 and replace failed chips with new ones. Some malfunctions can be associated with the use of BGA soldering technologies in modern Main Board. Typically, such defects are detected by local heating of the chip.
Once again, we remind TV users: you should not make attempts to repair it yourself without the appropriate knowledge, experience and the necessary qualifications! Trust the repair only to professionals with sufficient experience in the field of electronic equipment repair.
FIRMWARE FOR SPI FLASH -----------> SUPRA STV-LC2414F, Main: JUG7.820.699-4 LS07, Panel: M236MWF1
The appearance of the MainBoard JUG7.820.699-4 is shown in the figure below:JUG7.820.699-4
JUG7.820.699-4 can be used on TVs:
HYUNDAI H-LCD2418 (Panel M236MWF1), HYUNDAI H-LCD2218 (Panel M216H1-L01 Rev.C1), SUPRA STV-LC2214W (Panel LTA216AT01), SUPRA STV-LC1914WD (Panel HT185WX1-501), SUPRA STV-LC2214WD (Panel LTA216AT01), SUPRA STV-LC2414F (Panel M236MWF1), SUPRA STV-LC2414FD (Panel M236MWF1).
Main features of the SUPRA STV-LC2414F device:
The matrix (LCD panel) M236MWF1 is installed.
The matrix control uses the PWB Timing Controller (T-CON).
To power the backlight, a converter is used, combined with a power supply, controlled by the OZ9938GN PWM controller. As power elements of the inverter, keys of the type TPC8213-H are used.
The necessary supply voltages for all nodes of the TV SUPRA STV-LC2414F are generated by the power module R-HS050L-3HF01, or its analogs using 1271A microcircuits and power switches of the FQPF7N65C type.
MainBoard - the main board (motherboard) is a JUG7.820.699-4 module, using Cpu chips: TSUMV26KE-LF, Spi Flash: 25Q40T, Eeprom: 24LC32B, Audio: SA7454 and others.
The ET-6TK2E-CF109WL3 tuner allows you to receive television programs and tune to channels.
Additional technical information about the panel:
Brand: IVO
Model: M236MWF1 R0
Type: a-Si TFT-LCD, Panel
Diagonal size: 23.6 inch
Resolution: 1920x1080, FHD
Display Mode: TN, Normally White, Transmissive
Active Area: 521.28x293.22 mm
Surface: Antiglare, Hard coating (3H)
Brightness: 300 cd / m²
Contrast Ratio: 1000: 1
Display Colors: 16.7M (6-bit + Hi-FRC), CIE1931 72%
Response Time: 5 (Tr + Td)
Frequency: 60Hz
Lamp Type: 4 pcs CCFL Without Driver
Signal Interface: LVDS (2 ch, 8-bit), 30 pins
Voltage: 5.0V
LCD TV SUPRA STV-LC2414F with LCD M236MWF1, diagonal size 24 "(61 cm) in 16: 9 format. The brightness of the screen is 300 cd / m² with fluorescent lights CCFL (EEFL). Contrast - the ratio of maximum brightness to minimum is 1000: 1. Dynamic contrast ratio of 4000: 1 is achieved by special control of the backlight. TV features include viewing programs and movies in high quality HD with a resolution of 1920x1080 pixels in the graphic resolution of the standard 1080p (Full HD). The input high-frequency or video signal is decoded in analog systems PAL, SECAM, NTSC. Graphic processing and digital signal generation occurs in the standards 480i, 480p, 576i, 576p, 720p, 1080i, 1080p.
The power of the sound system 4 W (2x2 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, audio x3, component, VGA, HDMI. 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, 1360x768.
The power consumed by the TV in the operating mode from the network is 45 watts.
Overall dimensions: 638x497x135 mm.
TV Weight: 8.5 kg.
Attention! The M236MWF1 panel of a SUPRA STV-LC2414F LCD TV is its most expensive component.
Avoid hitting the glass and exerting pressure on the screen surface to avoid permanent damage to the LCD panel!
