Technical description and composition of the PHILIPS 46PFL5507T TV, type of panel and applicable modules. The composition of the modules.PHILIPS LED
Model: 46PFL5507T / 60
Chassis / Version: Q552.4E LA
Panel: LTA460HW04 001 code 397
LED backlight: LJ07-00998A
LED driver (backlight): integrated into PSU
PWM LED driver: DDA009 (24pin)
Power Supply (PSU): DPS-130PP A 272217190583
PWM Power: DDA010 (Standby), S101 (6), 1608B (PFC), 2QS02G, G1213 (8)
MainBoard: 313929716961 3139 123 65324 3139 123 65334
IC MainBoard: TAS5731, SPARTAN-6, RT8293AH (8pin)
Tuner: SUT-RE214AN
Control: 242254990467
Specifications 46PFL5507T
PHILIPS 46PFL5507T
General repair guidelines for TV LCD LED
Diagnostics of malfunctions and repairs PHILIPS 46PFL5507T / 60, as well as other electronic devices, it is recommended to start with an external examination of the external and internal elements. In some cases, visible external damage to the elements can indicate the direction of troubleshooting and localization of the defect even before the start of the necessary measurements at the control points of electronic circuit nodes. Elements with visible damage, for example, capacitors swelled up after boiling the electrolyte, charred resistors in certain nodes of the circuit, as well as ring cracks in solders will help the master to guess the causes and possible consequences of the malfunction.
In the absence of any signs of operability, when the PHILIPS 46PFL5507T 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 DPS-130PP A 272217190583 power supply module of the TV. With the same manifestations, the power regulator of the control processor on the motherboard may be faulty. It is advisable to start the troubleshooting of the power supply module by checking the state 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.
If a breakdown of the power switch is detected, it should be remembered that in a switching power supply (IIP) it does not fail by itself without any reasons that should be sought by checking other elements of the primary circuit - electrolytic capacitors, PWM controller DDA010 (8), S101 (6), 1608B (8), 2QS026 G1213 (8), DDA09 (24), which can only be checked by replacement, as well as other semiconductor elements (diodes, transistors, zener diodes).
If PHILIPS 46PFL5507T has no image, there is sound and the channels are switched, there is a possibility of a malfunction in the backlight LED circuit of the LTA460HW04 001 panel code 397, or their power converter is an LED driver. Sometimes when you turn on the image appears and disappears immediately. In such cases, it is necessary to check the electrolytic capacitors of the power filter of the LED driver itself, including in the secondary rectifier of the main PSU.
In most cases of lack of backlight, it becomes necessary to disassemble the panel in order to check the LEDs, connectors, loops and all contact connections. If one or several LEDs does not work in one line, therefore, they are broken and should be replaced.
To check the LED lines for breaks without disassembling the panel, for example, a current source will help. It is impossible to open series-connected PN junctions with a simple multimeter, a voltage of the order of several tens of volts is required.
Diagnostics and repair of the motherboard YU 242.5 AI1.C 313929716861 is carried out by checking the performance of the stabilizers or power converters of the module chips. In some cases, a software update is required.
In cases of attempts to repair the MB (SSB) board, it is necessary to check the health of its elements - TAS5731, SPARTAN-6, RT8293AH (8), which may require replacement with new ones. If a BGA processor is installed, there is a possibility of a violation of the soldering of the contacts of its conclusions with the board (it is diagnosed by heating).
In cases where there is no tuning to the local television channels, you should make sure that there is a varicap supply voltage (30-33V) and other supply voltages at the terminals of the SUT-RE214AN tuner.
We recommend the owners of the 46PFL5507T TV for repair only to qualified specialists with experience! Self-repair attempts without the appropriate knowledge and skills can lead to serious negative consequences!
Service manual and schematic diagram 46PFL5507T/60 Chassis Q552.4E LA
The appearance of MainBoard 313929716961 is shown in the figure below:3139 123 65324, 3139 123 65334
313929716961
313929716961 can be used in TVs:
PHILIPS 32PFL4007T/60 (Panel T320HVN01.5 code 408), PHILIPS 32PFL5007T/60 (Panel LTA320HW02 001 code 395), PHILIPS 32PFL5507T/60 (Panel LTA320HW02 code 395 p/n: 932229091682), PHILIPS 40PFL5507T/60 (Panel LTA400HV04 001 code 396 p/n: 932229092682 ), PHILIPS 40PFL5527T/60 (Panel LTA400HV04 001 code 396 p/n: 932229092682), PHILIPS 42PFL4307T/12 (Panel LC420EUE (SE)(F2) code 411 p/n: 932229210682), PHILIPS 46PFL5507T/60 (Panel LTA460HW04 001 code 397), PHILIPS 47PFL4007T/60 (Panel LC470EUE SEM2 code 349 p/n: 932228892682).
PSU Advanced
The DPS-130PP power supply module is made using the Power Factor Correction (PFC) scheme to eliminate multiple AC harmonics introduced by the device into the mains. The PFC node is a Step-Up Converter based on a 1608B PWM controller that evenly distributes high-frequency impulses of the charging current of the electrolytic capacitor of the rectifier filter of the mains voltage over a period of 50 Hz. The current of its charge in this case will already be determined not by its reactance (usually 10-30 ohms for the network frequency), but by the elements of the converter. As a result, a change in the amplitude of the pulses (envelope) of the consumed current of the converter will repeat the shape and phase of the input sinusoidal voltage. The availability of an increased voltage (about + 380V) in the operating mode on the capacitor of the line filter indicates the serviceability of the PFC node.
The appearance of the power supply
Main features of the PHILIPS 46PFL5507T device:
Installed matrix (LED-panel) LTA460HW04 001 code 397.
To power the backlight LEDs, a converter is used, combined with a power supply unit, controlled by a DDA009 PWM controller (24pin).
The necessary supply voltages for all nodes of the PHILIPS 46PFL5507T TV are generated by the DPS-130PP power supply module or its analogs using DDA010 (Standby), S101 (6), 1608B (PFC), 2QS02G, G1213 (8) microcircuits.
MainBoard - the main board (motherboard) is a module 313929716961, using TAS5731, SPARTAN-6, RT8293AH (8pin) chips and others.
The SUT-RE214AN tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: SAMSUNG
Model: LTA460HW04-001
Type: a-Si TFT-LCD, Panel
Diagonal size: 46 inch
Resolution: 1920x1080, FHD
Display Mode: SPVA, Normally Black, Transmissive
Active Area: 1018.08x572.67 mm
Display Colors: 1.07B (10-bit)
Frequency: 120Hz
Lamp Type: WLED Embedded (LED Driver)
Signal Interface: LVDS (4 ch, 10-bit)