Technical description and composition of the PHILIPS 32PFL7406H TV, type of panel and applicable modules. The composition of the modules.PHILIPS LED
Model: 32PFL7406H / 60
Chassis / Version: Q552.2E LA
Panel: LC320EUF SDA1
T-CON: 6870C-03558A
LED driver (backlight): FSP-110-fs01
Power Supply (PSU): FSP110-4FS01
PWM Power: A6069H
MainBoard: 313929710401 313912365192
IC MainBoard: PNX85537, ST1S10PH ST1S10B (8), TPA3123D2, TPS53126PW, AB4835D, BN4778, DY4952
Tuner: TH2726
Specifications 32PFL7406H
PHILIPS 32PFL7406H
General repair guidelines for TV LCD LED
Diagnostics of malfunctions and repairs of PHILIPS 32PFL7406H / 60, as well as other electronic devices, is recommended to begin with an external examination of the external and internal elements. Often by the external signs and nature of the damage to the elements, it becomes possible to draw some conclusions and determine a further algorithm for finding a defect before making the necessary measurements at control points. If charred resistors, swollen electrolytic or cermet capacitors, ring cracks in the solders of the terminals of transformers or heating elements are found, it is advisable to establish the causes and consequences of the malfunction that has arisen, as well as to check the connected elements and assemblies.
If the PHILIPS 32PFL7406H does not turn on, no control lights on the front panel light up or blink, therefore, there is a very high probability of a failure of the FSP-110-fs01 power supply module. In some cases, only the processor power regulator 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 transistors and rectifier bridge diodes should be checked for avalanche (thermal) 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 A6069H, which can be checked only by replacement, as well as other semiconductor elements (diodes, transistors, zener diodes).
If, when you turn on the TV, the image appears and immediately disappears, or is initially absent when turned on, but the sound has other functions that work, there is a high probability of a malfunction of the LED driver (LC320EUF SDA1 panel LED backlight power converter). In such cases, the general power module is also subject to verification, in which the electrolytic capacitors of the rectifier filter supplying the LED driver should be checked.
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.
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 will be required, and ideally, a current source.
Repair or diagnostics of the MA 140.3AI1.C 313929710401 motherboard should be started by checking the stabilizers or power converters of its microcircuits. If necessary, you should update the software (software).
In cases of complex repairs of MB (SSB) and in the presence of the necessary skills and equipment, sometimes it may be necessary to replace its AB4835D, BN4778, DY4952 chips and other possible faulty components. Malfunctions associated with the application of BGA soldering technologies are usually easily diagnosed by the heating method.
Before changing the TH2726 tuner, if it is not possible to tune to television channels, make sure that there are supply voltages, including varicap power (30-33V), which must be measured on the corresponding tuner pins.
Attention to the owners! Attempts at self-repair of the PHILIPS 32PFL7406H TV are not recommended by the manufacturer and can lead to serious negative consequences!
Service manual and schematic diagram 32PFL7406H/60 Chassis Q552.2E LA
32PFL6606H/12, 32PFL6606H/60, 32PFL6606K/02, 32PFL6606M/08, 32PFL6626H/12, 32PFL6626K/02, 32PFL6626M/08, 32PFL6636H/12, 32PFL6636K/02, 32PFL6636M/08, 32PFL7406H/12, 32PFL7406K/02, 32PFL7406M/08, 32PFL7476H/12, 32PFL7476K/02, 32PFL7486H/12, 32PFL7486K/02, 32PFL7486M/08, 32PFL7496H/12, 32PFL7496K/02, 37PFL6606H/12, 37PFL6606H/60, 37PFL6606K/02, 37PFL6606M/08 , 40PFL6606H/12, 40PFL6606H/60, 40PFL6606K/02, 40PFL6606M/08, 40PFL6626H/12, 40PFL6626K/02, 40PFL6626M/08, 40PFL6636H/12, 40PFL6636K/02, 40PFL6636M/08, 42PFL7406H/12, 42PFL7406K/02, 42PFL7406M/08, 42PFL7456H/12, 42PFL7456K/02, 42PFL7456M/08 , 42PFL7486H/12, 42PFL7486K/02, 42PFL7486M/08, 42PFL7606H/12, 42PFL7606K/02, 42PFL7606M/08, 42PFL7666H/12, 42PFL7666K/02, 42PFL7676H/12, 42PFL7676K/02, 42PFL7696H/12, 42PFL7696M/08, 46PFL6606H/12, 46PFL6606H/60, 46PFL6606K/02, 46PFL6606M/08, 46PFL6626H/12, 46PFL6626K/02, 47PFL7606H/12, 47PFL7606K/02, 47PFL7606M/08, 47PFL7666H/12, 47PFL7666K/02, 47PFL7696H/1, 47PFL7696K/02, 47PFL7696M/08, 55PFL6606H/12, 55PFL6606H/60, 55PFL6606K/02, 55PFL6606M/08.
The appearance of MainBoard 313929710401 is shown in the figure below:Replacement 313912365192 3139 123 65192
313929710401
The appearance of the power supply
Main features of the PHILIPS 32PFL7406H device:
Installed matrix (LED-panel) LC320EUF SDA1.
The matrix control uses the Timing Controller (T-CON) 6870C-03558A.
The LED driver FSP-110-fs01 is used to power the backlight LEDs.
The necessary supply voltages for all nodes of the PHILIPS 32PFL7406H TV are generated by the power module FSP110-4FS01, or its analogs using A6069H microcircuits.
MainBoard - the main board (motherboard) is a module 313929710401, using chips PNX85537, ST1S10PH ST1S10B (8), TPA3123D2, TPS53126PW, AB4835D, BN4778, DY4952 and others.
The TH2726 tuner provides TV reception and channel tuning.
