Technical description and composition of the PHILIPS 43PFS5302 TV, panel type and modules used. The composition of the modules.PHILIPS LED
Model: 43PFS5302 / 12
Chassis / Version: TPM17.2E LA
Panel: TPT430H3-HVN01
LED backlight: LC-43LB371C LBM430P1001-AJ-2S
T-CON: T430HVN01.A 43T01-C09
LED driver (backlight): integrated into PSU
PWM LED driver: PF7909S
MOSFET LED driver: AOTF4126
Power Supply (PSU): 715G7574-P01-W08-002M
PWM Power: LD7591T, SSC3S121A
MOSFET Power: TK12A60W, AOTF12N65
MainBoard: 715G8769-M01-B00-004Y
IC MainBoard: MT5800WUEJ, 24C128, SI2169-C50-GM, THGBMDG5D1LBAIT, AD87588-LG48NAY
Tuner: TDQS-A751F & ST42CS-2-E
Specifications 43PFS5302
PHILIPS 43PFS5302
General recommendations for TV LCD LED repair
Possible manifestations of defects
- PHILIPS 43PFS5302 does not turn on, LEDs on the front panel do not light or flash. The TV does not respond to control buttons and the remote control.
With such manifestations, the power module 715G7574-P01-W08-002M usually fails. It is necessary to make sure that its output voltages are present and, if they are completely absent, check the power switches (TK12A60W, AOTF12N65) and rectifier diodes for a possible short circuit.
In case of breakdowns of semiconductors in the secondary circuits of any converter, as a rule, it can operate in an emergency mode of short circuit without output voltages, and with a short circuit in the elements of the primary circuit, the mains fuse most often breaks off immediately and less often the current sensor in the source of the key.
Breakdown of Mos-Fet switches used in switching power supplies is often caused by malfunctions of other elements, for example, in the power supply circuit of the PWM controller, in frequency setting or damper circuits, as well as in negative feedback stabilization. PWM microcircuits (PWM) LD7591T, SSC3S121A are usually checked by replacing them with new ones, or knowingly working.
- No picture, sound, all other TV functions are working. When turned on, the image may sometimes appear for a second.
The malfunction in most of such cases is found in the nodes and elements of the LED panel backlighting. Often the reason is a malfunction of the LEDs (open circuit, short circuit ...), or the connectors of the strips (strings), less often the LED driver turns out to be faulty.
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 TV does not turn on, the indicator signals the standby or operating mode, or blinks.
Repair or diagnostics of the 715G8769-H01-B00-004N 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). Often the MB (SSB) board must be replaced in case of complex malfunctions that are difficult to detect. When trying to repair, you should check its elements - MT5800WUEJ, SI2169-C50-GM, THGBMDG5D1LBAIT, AD87588-LG48NAY and replace the failed chips with new ones. Some malfunctions may be associated with the use of BGA soldering technologies in modern Main Board. Typically, such defects are detected by local heating of the chip.Before replacing the TDQS-A751F & ST42CS-2-E tuner, if there is no tuning to the channels, you must first check the software and the supply voltage at its terminals. You also need to make sure that the tuner and processor can exchange data via the I2C bus
Attention to users! Self-repair of the PHILIPS 43PFS5302 TV without the appropriate qualifications and the necessary experience can lead to its complete non-repairability!
DOWNLOAD SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> PHILIPS 43PFS5302 Chassis TPM17.2E LA FOR MODELS 32PHS5302/12, 32PHT5302/12, 32PFS5362/12, 32PFT5362/12, 43PFS5302/12, 43PFT5302/12, 49PFS5302/12
The appearance of MainBoard 715G8769-M01-B00-004Y is shown in the figure below:715G8769-M01-B00-004Y
External view of the power supply
The main features of the PHILIPS 43PFS5302 device:
Installed matrix (LED panel) TPT430H3-HVN01.
Matrix control uses the T430HVN01.A Timing Controller (T-CON).
A converter combined with a power supply is used to power the backlight LEDs and is controlled by a PF7909S PWM controller. The keys of the AOTF4126 type are used as power elements of the LED driver.
The formation of the necessary supply voltages for all nodes of the PHILIPS 43PFS5302 TV is carried out by the 715G7574-P01-W08-002M power module, or its analogs using LD7591T, SSC3S121A microcircuits and power switches of the TK12A60W, AOTF12N65 type.
MainBoard - the main board (motherboard) is a 715G8769-M01-B00-004Y module, using microcircuits MT5800WUEJ, 24C128, SI2169-C50-GM, THGBMDG5D1LBAIT, AD87588-LG48NAY and others.
Instructions and updatesUpdating software (firmware, firmware).Version: 012.002.052.001, zip file, 315.6 MB, published October 13, 2019
Documentation:Brochure Version: 12.0.1, PDF file, 706.8 kB, published March 23, 2018
Quick start guide PDF file, 1.8 MB, published September 1, 2017User manual PDF file, 2.8 MB, published February 9, 2018
Files can be downloaded on the manufacturer's website for model 43PFS5302 / 12
Tuner TDQS-A751F & ST42CS-2-E provides reception of television programs and tuning to channels.
PHILIPS 43PFS5302 TV with LCD display, diagonal size 42.5 "(108 cm) 16: 9 format. The required brightness of the screen of 280 cd / m2 is provided by LED backlighting. The LCD panel is implemented with backlighting from Direct LED LEDs. Design and technical the capabilities of the TV provide for viewing programs and films in high quality HD at a resolution of 1920x1080 pixels in graphic decomposition at the standard 1080p (Full HD).
The 43PFS5302 TV is equipped with SMART software and the ability to work on the Internet. The connection to the network can be carried out via Wi-Fi wireless connection. Supported media file formats: MP3, WMA, MPEG4, HEVC (H.265), MKV, JPEG.
Speaker power 16 W (2x8 W) is provided by two speakers. Uses the NICAM stereo signal processing system and the Sound Surround function.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, HDMI x2, MHL, USB x2, Ethernet (RJ-45), Wi-Fi 802.11n. A headphone output is provided.
The digital tuner is capable of receiving television channels in the DVB-T MPEG4, DVB-C, DVB-T2, DVB-S2 standards.
Dimensions: with stand 968x628x194 mm, without stand 968x576x79 mm.
TV weight: with stand: 11.03 kg, without stand: 10.96 kg.
Attention! The panel of the PHILIPS 43PFS5302 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.