Technical description and composition of the PHILIPS 50PFT6510 TV, panel type and modules used. The composition of the modules.PHILIPS LED
Model: 50PFT6510 / 60
Chassis / Version: QM15.2E LA
Panel: TPT500J1-HVN08.A
T-CON: T500HVN08.7 CTRL BD 50T20-C09
LED driver (backlight): integrated into PSU
PWM LED driver: SSC9522S
MOSFET LED driver: TK10A50D
Power Supply (PSU): 715G6973-P02-002-002H
PWM Power: LD7591T, LD5532
MOSFET Power: TK18A60V, TK11A65D
MainBoard: 715G7030-M0G-000-005T
IC MainBoard: MT5593FPIJ, THGBMBG6D1KBAIL, H5TQ2G63FFR-RDC, TAS5760LD
Tuner: TDSY-G480D
Control: Remote: YKF352-B04, IR: 715G7074-R01-000-004Y, Wi-Fi: 8WUSND16.4A1G
Specifications 50PFT6510
PHILIPS 50PFT6510
General recommendations for TV LCD LED repair
Possible manifestations of defects
- PHILIPS 50PFT6510 TV does not turn on, does not respond to the remote control and control panel buttons, does not light up or blink indicators.
Most likely, in this case, the main switching power supply (SMPS) 715G6973-P02-002-002H is faulty. It is necessary to make sure that its output voltages are present and, if they are completely absent, check the power switches (TK18A60V, TK11A65D) and rectifier diodes for a possible short circuit.
In case of breakdowns of semiconductors in the secondary circuits, the converter can usually operate in an emergency mode in a short-circuit mode, and in case 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 regulators (PWM) LD7591T, LD5532, if they have no visible damage to the case and an outright short circuit between the terminals, are usually checked by replacing.
- There is no picture, but there is sound and all other TV functions are working. The image sometimes appears for a second immediately after switching on and disappears.
Often in such cases, there is no backlighting of the LED panel. The reason can sometimes be in the power supply of the LEDs, but more often in their malfunction (breakdown or breakage), sometimes in the violation of the contact connections of the LED strips.
When diagnosing, it must be borne in mind that it is impossible to check for an open in the circuit of the LED lines without disassembling the panels using a tester or multimeter. To open all PN junctions connected in series, a voltage of the order of several tens of volts is required, and ideally a current source. Opening the panel, you can check each LED separately. Typically, Chinese multimeters will lightly light one 3-volt LED if you connect the probes to it in the forward direction. 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 through in 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 715G7030-M0G-000-005T 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). Complicated repair of MB (SSB) board is in some cases possible and practiced by repairmen. To do this, check and, if necessary, replace elements MT5593FPIJ, THGBMBG6D1KBAIL, H5TQ2G63FFR-RDC, TAS5760LD. Malfunctions in BGA chips are usually easy to detect by warm-up.
If PHILIPS 50PFT6510 has no picture, but there is sound, often the TPT500J1-HVN08.A display backlight simply does not work. Moreover, in LED TVs, the LEDs inside the panel usually fail, less often the LED driver.
In such cases, you can see a barely noticeable image with a successful hit of external light on the screen.
Replacing the LEDs requires disassembling the LCD panel TPT500J1-HVN08.A - a process that requires experience and qualifications from the master. We do not recommend doing such work on your own to the owners of TVs and craftsmen who do not have experience in repairing LCD panels
If there is no image, and the backlight is on, the screen becomes slightly lighter when turned on, and in an open TV, light is visible through the holes in the panel case.
In this case, the panel may also be faulty - damage to the strips, loops, for example, as a result of moisture ingress after unsuccessful washing of the screen, the T-CON (Timing Controller) board may be faulty. But the main board MainBoard 715G7030-M0G-000-005T often turns out to be faulty, a software failure is also possible.
Then, first of all, you need to check the panel supply voltage, the fuses on the T-CON board, as well as the supply and reference voltages of the column and line drivers - VGH, VGL, Vcom.
If these measurements are within the normal range, it is necessary to use an oscilloscope to trace the passage of LVDS signals from MainBoard 715G7030-M0G-000-005T, as well as synchronizing signals to loops with drivers.
Flooded or unsuccessfully washed screens of LED TVs can be restored, in about half of the cases, usually if significant damage has not formed in the loops and panel strips.
If you suspect a malfunction of the TDSY-G480D tuner, first of all, you need to make sure that the software is correct, as well as the presence of the necessary levels of supply voltages and pulses of data exchange with the processor via the I2C bus on the corresponding terminals of the tuner.
Users and owners of TVs should remember that attempts to self-repair the PHILIPS 50PFT6510 TV without the appropriate qualifications and the necessary experience can lead to serious negative consequences!
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Additional MainBoard Repair
The appearance of MainBoard 715G7030-M0G-000-005T is shown in the figure below:
715G7030-M0G-000-005T
External view of the power supply
The main features of the PHILIPS 50PFT6510 device:
Installed matrix (LED panel) TPT500J1-HVN08.A.
Matrix control uses the T500HVN08.7 Timing Controller (T-CON).
A converter combined with a power supply is used to power the backlight LEDs, and is controlled by the SSC9522S PWM controller. TK10A50D keys are used as power elements of the LED driver.
The formation of the necessary supply voltages for all nodes of the PHILIPS 50PFT6510 TV is carried out by the power module 715G6973-P02-002-002H, or its analogs using LD7591T, LD5532 microcircuits and power switches such as TK18A60V, TK11A65D.
MainBoard - the main board (motherboard) is a 715G7030-M0G-000-005T module, using MT5593FPIJ, THGBMBG6D1KBAIL, H5TQ2G63FFR-RDC, TAS5760LD and others.
TDSY-G480D tuner provides TV reception programs and tuning to channels.
PHILIPS 50PFT6510 TV with LCD TPT500J1-HVN08.A, diagonal size 50 "(127 cm) 16: 9 format. The required brightness of the screen of 350 cd / m² is provided by LED backlighting. The display technology of the model is implemented with LED backlighting.
There is support for 3D images with active (shutter) separation technology of the right and left channels.
TPT500J1-HVN08.A sensor and MainBoard 715G7030-M0G-000-005T software provide viewing of broadcasts and movies in high quality HD at a resolution of 1920x1080 pixels in graphics resolution at 1080p (Full HD).
TV model 50PFT6510 has built-in SMART software and Android operating system installed. The connection to the network can be carried out via Wi-Fi wireless connection. The input high-frequency or video signal can be processed in analog systems PAL, SECAM, NTSC. Graphic processing and formation of a digital signal takes place in the 480i, 480p, 576i, 576p, 720p, 1080i, 1080p standards. Supported media file formats: MP3, WMA, MPEG4, MKV, JPEG.
Speaker power 20 W (2x10 W) is provided by two speakers. Uses the NICAM stereo signal processing system and the Sound Surround function.
External interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, audio x2, component, SCART, RGB, HDMI x4, USB x3, Ethernet (RJ-45), Bluetooth, Wi-Fi 802.11n, WiDi, Miracast. A headphone output is provided. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector on the TV case is used, this interface supports resolutions: 640x480, 800x600, 1024x768, 1280x1024, 1360x768, 1920x1080.
The digital tuner is able to receive TV channels in the DVB-T MPEG4, DVB-C, DVB-T2 standards.
The TV uses a 715G6973-P02-002-002H power supply.
Dimensions: with stand 1124x709x264 mm, without stand 1124x647x77 mm.
TV weight: with stand: 17.2 kg, without stand: 13.3 kg.
Attention! The panel TPT500J1-HVN08.A of the PHILIPS 50PFT6510 LED TV is an expensive and unreliable element.
Do not allow any impact 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 unrepairable.
