Technical description and composition of the SUPRA STV-LC32660WL00 TV, panel type and modules used. The composition of the modules.SUPRA LED
Model: STV-LC32660WL00
Chassis / Version: V1N06
Panel: RDL320HY (LDF-400) REV.00
T-CON: LC320EXN-SEA1-K31 6870C-0414A
LED driver (backlight): integrated into MainBoard
PWM LED driver: BD9486F
MOSFET LED driver: TO-252
Power Supply (PSU): integrated into MainBoard
PWM Power: PWM SOT23-6
MOSFET Power: TO-220
MainBoard: 5800-A6M61E-0P40 // 5800-A6M61E-0P30
IC MainBoard: Spi Flash: Q32B-104HIP (EN25P32), AUDIO: TPA3113D2
STV-LC32660WL00 Specifications
SUPRA STV-LC32660WL00
General recommendations for TV LCD LED repair
Possible manifestations of malfunctions
- SUPRA STV-LC32660WL00 TV does not turn on, does not respond to the remote control and control panel buttons, the indicators are off or flashing.
In such cases, the main power source, the mains voltage AC / DC converter, which is combined with the MainBoard 5800-A6M61E-0P40, may be faulty. In the absence of the necessary supply voltages in the secondary circuits of the converters, it is necessary to check the power switches (TO-220) and rectifier diodes for possible partial or complete breakdown.
In case of breakdowns in the secondary circuits, the converter can operate in short-circuit mode, and in case of short-circuit in the elements of the primary circuit, the mains fuse usually breaks off.
Mos-Fet power switches used in switching power supplies sometimes fail due to a malfunction of any other elements that can disable it in the key mode, or create an excess of the maximum permissible key parameters. These can be elements supplying a PWM regulator, frequency setting or damper circuits, or elements of negative feedback in the stabilization circuit. PWM controllers PWM SOT23-6, in the absence of visible damage or outright short circuits between the terminals, are checked by replacing them with new ones, or known to be working properly.
- There is no picture, but there is sound, it reacts to the remote control. Or the image appears when turned on and disappears immediately
As a rule, in this case, the backlight of the LED panel is faulty. Most often the reason for this is a break in the LEDs, or poor contact in the connectors of the brackets, less often the LED driver may be faulty.
It is impossible to detect a break in the LED line without disassembling the panel with a simple multimeter. The LEDs are connected in series and a voltage of several tens of volts is required to open their junctions. Ideally, a current source is suitable for such purposes. You can open the panel and check each LED separately. Usually, Chinese multimeters lightly light up one 3-volt LED if you connect the probes to it in the forward direction (red probe to the anode, black to the cathode). For dual 6-volt LEDs, the PN junction of its emergency zener diode can serve as an indicator of LED health. In the event of a malfunction of the LED, its zener diode will either be cut off or broken into the K / Z.
- 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 5800-A6M61E-0P40 motherboard should begin with checking the stabilizers and power converters required to power the microcircuits and matrix. If necessary, you should update or replace the software (software). Repair of the board and replacement of Spi Flash: Q32B-104HIP (EN25P32), AUDIO: TPA3113D2 microcircuits are performed with the necessary equipment and the corresponding element base. Malfunctions associated with the use of BGA soldering technologies can be localized by warming up.
Attention! Users and owners of STV-LC32660WL00 TVs who do not have the appropriate qualifications, knowledge and experience are strongly discouraged from trying to repair themselves in order to avoid negative consequences that can lead to the complete non-repairability of the device.
DOWNLOAD FIRMWARE FOR SPI FLASH -----------> SUPRA STV-LC32660WL00 V1N06, Main: 5800-A6M61E-0P40, Panel: RDL320HY (LDF-400) REV.00
model SUPRA STV-LC32660WL00 V1N04, Main Board: 5800-A6M61E-OP30 VER 00.03 2014.01.14 (CPU: MSD6306PUM-TZ), Panel: RDL320HY (LDF-400) REV.00
DOWNLOAD FIRMWARE FOR SPI FLASH -----------> SUPRA STV-LC32660WL00 V1N04, Main: 5800-A6M61E-0P30, Panel: RDL320HY (LDF-400) REV.00
The appearance of the MainBoard 5800-A6M61E-0P40 is shown in the figure below:5800-A6M61E-0P40
Main features of SUPRA STV-LC32660WL00 device:
Installed matrix (LED panel) RDL320HY (LDF-400) REV.00.
Matrix control uses the Timing Controller (T-CON) LC320EXN-SEA1-K31.
To power the backlight LEDs, a converter combined with the 5800-A6M61E-0P40 main board is used, controlled by the BD9486F PWM controller. 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 SOT23-6 PWM microcircuits and TO-220 type power switches.
MainBoard - the main board (motherboard) is a 5800-A6M61E-0P40 module, using Spi Flash chips: Q32B-104HIP (EN25P32), AUDIO: TPA3113D2 and others.
There is support for 3D images with active (shutter) separation technology of the right and left channels. It is possible to view broadcasts and films and images in high quality HD at a resolution of 1366x768 pixels in a graphic resolution of 720p (HD Ready). The input high-frequency or video signal is decoded in analog systems PAL, SECAM, NTSC. Graphic processing and digital signal shaping takes place in the 480i, 480p, 576i, 576p, 720p, 1080i, 1080p standards. Supported media file formats: MP3, WMA, MPEG4, MKV, JPEG.
Speaker power 12 W (2x6 W) is provided by two speakers. The NICAM STEREO audio processing system is used.
External interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, audio x2, component, VGA, HDMI x3, USB x2. A headphone output is provided. To connect a computer or laptop to this TV model, use the VGA (D-Sub 15) connector on the TV case, this interface supports resolutions: 640x480, 800x600, 1024x768, 1360x768.
Overall dimensions: 825x508x150 mm.
Attention! Panel RDL320HY (LDF-400) REV. 00 SUPRA LED TV STV-LC32660WL00 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.
