Technical description and composition of the PHILIPS 32PFL4308T TV, type of panel and applicable modules. The composition of the modules.PHILIPS LED
Model: 32PFL4308T / 60
Chassis / Version: TPM10.1E LA
Panel: LTA320HJ06 001 code 185
LED backlight: LJ07-01133A; cool: LJ97-04447A
T-CON: P27770E 13NNB SQ60VAMB4C4LV0.1 SM1454 DA1248 NFM16100DAK111
LED driver (backlight): integrated into PSU
PWM LED driver: PF7900S, PF7700A
MOSFET LED driver: TF4126
Power Supply (PSU): 715G5793-P01-000-002M QDSPJ06001 1312 DSPJ06001
PWM Power: PF6200 (PWM flyback), NR1110
MOSFET Power: K8A65D
MainBoard: 715G5675-M01-000-005K VerA
IC MainBoard: MTK5580CPOI, TC58NVG1S3ETAI0, CAT24C128WI, STA381BWTR
Tuner: TDSY-G230D
Specifications 32PFL4308T
PHILIPS 32PFL4308T
General repair guidelines for TV LCD LED
Repair of the PHILIPS 32PFL4308T / 60 TV is advisable to start with a careful external examination of both internal and external elements. Specific external damage to some elements can sometimes indicate further actions to determine the malfunction of the TV and localize the defect before the necessary measurements are taken. In most cases, the repairman can guess the causes of the defect and possible consequences by the characteristic signs of typical TV defects, for example, ring cracks formed in the soldering of element leads, swollen rectifier filter capacitors, charred resistors and other circuit elements.
In the absence of any signs of operability, when the PHILIPS 32PFL4308T does not turn on and does not signal anything with the control lights on the panel, there is a possibility of a malfunction of the power supply module 715G5793-P01-000-002M .. QDSPJ06001 1312 DSPJ06001 of the TV. With the same manifestations, the power regulator of the control processor on the motherboard may be faulty. When diagnosing and repairing the power supply, after replacing the swollen capacitors of the secondary rectifier filters (if any), you must first check the mains fuse. When it is broken, the power elements of the K8A65D transistors and rectifier bridge diodes should be checked for avalanche (thermal) breakdown.
Mos-Fet keys used in switching power supplies (SMPS) rarely fail for no reason to look for when checking other circuit elements. Often the breakdown is caused by malfunctions of electrolytic capacitors or semiconductor elements in the primary circuit, or by a break in the resistors in the stabilization circuits. The NR1110 PWM controller chip can also cause a breakdown of the power switch of the converter.
If there is no image when you turn on the PHILIPS 32PFL4308T, or it appears for a second and disappears, but there is sound, most likely there is a malfunction in the backlight LED circuit of the LTA320HJ06 001 panel code 185, or in their power converter. It is necessary to check the electrolytic capacitors of the filter of the secondary rectifiers in the general power supply unit.
To check the health of the LEDs, as well as contact connections in the ruler circuit, the panel must be disassembled.
It is impossible to check the LED line for breaks without disassembling the panel with a multimeter or tester. For these purposes, it is necessary to open all series-connected PN junctions and a voltage of the order of tens of volts is required, and ideally, a current source.
The motherboard 715G5675-M01-000-005K VerA is subject to verification if there is no reaction to the console and function buttons, the standby indicator blinks or lights up continuously. In such cases, if the converters or power regulators of the microcircuit are working, a software update may be necessary.
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 - 715G5675-M01-000-005K and replace failed chips with new ones. Some malfunctions may be due to the use of BGA soldering technologies in modern Main Board technologies. Typically, such defects are detected by local heating of the chip.
Owners of the 32PFL4308T TV are advised to contact qualified personnel with experience only for repair! Self-repair attempts without the appropriate knowledge and skills can lead to serious negative consequences!
Service manual and schematic diagram 32PFL4308T/60 Chassis TPM10.1E LA part1, part2, part3
715G5675-M01-000-005K
715G5675-M01-000-005K can be used in TVs:
PHILIPS 22PFL4008T/60 (Panel TPM215HW01-HGJL02 code 200), PHILIPS 32PFL3008T/60 (Panel TPT315B5-TU4A code 196 p/n: 996590004018), PHILIPS 32PFL3018T/60 (Panel DUNTK5004ZZ RUNTK5003 code 196), PHILIPS 32PFL4208T60 (Panel TPT315B5-DXJSFE), PHILIPS 32PFL4308T/60 (Panel LTA320HJ06 001 code 185), PHILIPS 46PFL4308T/60 (Panel LTA460HJ18), PHILIPS 46PFL3008T/60 (Panel TPT460H1-HM01 Rev-C1J code 195).
The appearance of the power supply
Key Features of PHILIPS 32PFL4308T:
Installed matrix (LED panel) LTA320HJ06 001 code 185.
The matrix control uses the Timing Controller (T-CON) P27770E.
To power the backlight LEDs, a converter is used, combined with a power supply unit, controlled by the PF7900S, PF7700A PWM controller. As power elements of the LED driver, keys of the TF4126 type are used.
The necessary supply voltages for all nodes of the PHILIPS 32PFL4308T TV are generated by the 715G5793-P01-000-002M power supply module or its analogs using PF6200 (PWM flyback), NR1110 microcircuits and K8A65D type power switches.
MainBoard - the main board (motherboard) is a module 715G5675-M01-000-005K, using chips MTK5580CPOI, TC58NVG1S3ETAI0, CAT24C128WI, STA381BWTR and others.
The TDSY-G230D tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: SAMSUNG
Model: LTA320HJ06
Type: a-Si TFT-LCD, Panel
Diagonal size: 31.5 inch
Resolution: 1920x1080, FHD
Display Mode: PVA, Normally Black, Transmissive
Lamp Type: WLED Without Driver