Technical description and composition of the PHILIPS 32PFH5501 TV, panel type and applicable modules. The composition of the modules.PHILIPS LED
Model: 32PFH5501 / 88
Chassis / Version: QM16.4E LA
Panel: LC320WUY-SCB1
LED driver (backlight): integrated into PSU
PWM LED driver: PF7708BS
MOSFET LED driver: AOD2916
Power Supply (PSU): 715G7364-P01-001-002M PLTVFL251XAN5
PWM Power: PF6005AG, SY8113BADC
MOSFET Power: AOTF18N65
MainBoard: 715G7030-M0E-B01-005N (WK: 1601)
IC MainBoard: MT5593FPIJ, THGBMBG6D1KBAIL, H5TQ2G63FFR-RDC, TAS5760LD
Tuner: TDSY-G480D SI2169-C50-GM
Specifications 32PFH5501
PHILIPS 32PFH5501
General repair guidelines for TV LCD LED
Possible malfunctions
- The PHILIPS 32PFH5501 does not turn on. There are no signs of operability. The indicators on the front panel do not light or flash, the TV does not respond to the remote control and control buttons.
In such cases, the fault should be sought first in the 715G7364-P01-001-002M power supply module. Then we recommend that you measure its output voltages and, if they are absent, you should check the health of the power switches (AOTF18N65) and rectifier diodes of the converters for possible short circuit.
In case of breakdowns in the secondary circuits, the converter, as a rule, can emergency work in the short circuit mode, and during short circuit in the power elements of the primary circuit, the mains fuse usually breaks.
Breakdown of power switches (MosFet) in pulsed sources is sometimes caused by malfunctions of other circuit elements, for example, in circuits supplying a PWM controller, frequency-setting or damper ones, as well as in negative feedback circuits (OOS) of stabilization. PWM controllers (PWM) PF6005AG, SY8113BADC, if they do not have visible damage to the chassis and open fault between the terminals, are usually checked by replacement.
- There is no image, but there is sound, it reacts to the remote control. Or the image appears when you turn it on and immediately disappears
In most of these cases, a malfunction is detected in the nodes and backlight elements of the LED panel. The reason for this may be a break in the LED circuit, or a problem in stabilizing their power supply.
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.
- The indicator on the front panel blinks, the TV does not turn on in the operating mode, it does not respond to the remote control.
Repair or diagnostics of the 715G7030-M0E-B01-005 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace the software (software). Sometimes it is necessary to check or replace (if necessary) the elements of the MainBoard board - MT5593FPIJ, THGBMBG6D1KBAIL, H5TQ2G63FFR-RDC, TAS5760LD. In cases where the BGA processor is used, its malfunction is usually detected by the local heating method.
In the absence of tuning to the channels of on-air or cable television, you should make sure that the software is correct, as well as in accordance with the ratings of the supply voltage at the terminals of the tuner SI2169-C50-GM. It is also necessary to check the presence of pulses of data exchange between the tuner and the processor via the I2C bus using an oscilloscope.
Attention TV owners! Attempts at self-repair of PHILIPS 32PFH5501 are not recommended by the manufacturer and can lead to serious negative consequences!
Service manual and schematic diagram ---------------------> PHILIPS 32PFH5501 Chassis QM16.4E LA
The appearance of the MainBoard 715G7030-M0E-B01-005N is shown in the figure below:715G7030-M0E-B01-005N
Main features of the PHILIPS 32PFH5501 device:
The matrix (LED panel) LC320WUY-SCB1 is installed.
To power the backlight LEDs, a converter is used, combined with a power supply, controlled by the PF7708BS PWM controller. As power elements of the LED driver, keys of the AOD2916 type are used.
The necessary supply voltages for all nodes of the PHILIPS 32PFH5501 television are generated by the 715G7364-P01-001-002M power module, or its analogs using PF6005AG, SY8113BADC microchips and AOTF18N65 type power switches.
MainBoard - the main board (motherboard) is a module 715G7030-M0E-B01-005N, using the chips MT5593FPIJ, THGBMBG6D1KBAIL, H5TQ2G63FFR-RDC, TAS5760LD and others.
The TDSY-G480D SI2169-C50-GM tuner provides TV reception and channel tuning.
