Technical description and composition of the PHILIPS 32PFL3007H TV, panel type and applicable modules. The composition of the modules.PHILIPS
Model: 32PFL3007H / 60
Chassis / Version: TPM9.1E LA
Panel: LC320WXE (SC) (C1) code 154 p / n: 932228398682
Inverter (backlight): integrated into PSU
PWM Inverter: OZ9976GN
MOSFET Inverter: K10A50D,
Trans Inverter: 80GL32T-30-YS YCI-130 1221H1-POT
Power Supply (PSU): 715G5113-P01-W21-002M 996510051098
PWM Power: A6069H (Standby 7pin), LD7591GS (PFC), LD7523G (8)
MOSFET Power: P10NK70ZFP, TK6A65D
MainBoard: 715G5155-M0A-002-005K 996590000009
IC MainBoard: 7805. A1117ADJ. STALBW. TMDS361B
Control: 098GR7BDHNTPHT 1149006608
Specifications 32PFL3007H
PHILIPS 32PFL3007H
General recommendations for repairing TV LCD
Repair of the PHILIPS 32PFL3007H / 60 TV should begin with a careful external examination of all its components and modules. Also subject to inspection are body elements, functional control buttons, screen, cords and connectors. Specific external damage to the elements can sometimes prompt further actions to determine the malfunction of the TV and localize the defect before starting the necessary measurements and taking waveforms. 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.
Power Module Repair
If the 32PFL3007H / 60 TV does not turn on, does not make any sounds when it is turned on, and also no indicators on the front panel light or blink - there is a high probability of a malfunction in the power supply module. In some cases, only the regulator or power converter of the control processor may be faulty, which is typical for some PHILIPS models. In the absence of swollen filter capacitors of the secondary rectifiers, the diagnostics of the power supply should always be started by checking the fuse and, if it is broken, it is first necessary to check the rectifier bridge diodes and the power switch P10NK70ZFP for the possibility of an avalanche or thermal breakdown.
If a breakdown of the power switch of the flyback converter of the power supply unit is detected, it should be remembered that 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 (7). PC123. TLP781F LD7523G (8), which can only be checked by replacement, as well as other semiconductor elements (diodes, transistors, zener diodes).
If the power module uses an active KKM circuit (power factor control), troubleshooting is somewhat more complicated.
Inverter Repair
If, when you turn on the TV, the image appears and immediately disappears, or is initially absent when you turn on, but there is sound and other functions work, there is a high probability of a malfunction of the inverter (power converter for the backlight). In such cases, the lamps, the inverter and the common power module are subject to verification, in which the electrolytic capacitors of the rectifier filter supplying the inverter should be checked.
Repair of the 715G5113-P01-W21-002M inverter (TPM8.2 circuitry) can often be somewhat complicated by the use of special protection circuits that are designed to disconnect it in emergency cases for fire safety when the lamps are depressurized, or short circuits or open circuits in high voltage circuits and connections. Sometimes it becomes necessary for diagnostic purposes to block the protection circuits in order to be able to make the necessary measurements at the control points of the circuit.
It should be remembered that in such cases there is a risk of failure of the power elements of the inverter and to take special care. After carrying out repairs, the protection circuit must be restored for further safe operation of the TV.
Repair Main Board
On the MAIN 715G5155-MOA-002-005K 996590000009 motherboard, in case of a malfunction, you should first check the operation of all the stabilizers or power converters of the microcircuits and, if necessary, update the software (software). When repairing an MB board, you need to check its components 7805. A1117ADJ. STALBW. TMDS361B. Defective items should be replaced.
Remember! Attempts to self-repair by users of the PHILIPS 32PFL3007H / 60 TV without the appropriate qualifications and necessary experience can lead to serious negative consequences!
SCHEMATIC MANUAL --------> Service manual and schematic diagram 32PFL3007H/60 Chassis TPM9.1E LA
FOR MODELS ----> 20PFL3108H/12, 22PFL3108H/60, 24PFL3108H/12, 24PFL3108H/60, 32PFL3088H/12, 32PFL3148H/12, 32PFL3168H/12, 32PFL3168T/60, 32PFL3178T/60, 32PFL3188H/12, 32PFL3188K/12, 32PFL3188T/60, 39PFL3088H/12, 39PFL3188H/12, 39PFL4398H/12, 39PFL4398T/60, 40PFL3088H/12, 40PFL3138H/12, 40PFL3148H/12, 40PFL3188H/12, 40PFL3188T/60, 40PFL3198T/60, 42PFL3188H/12, 42PFL4398H/12, 42PFL4398T/60, 47PFL3188H/12, 47PFL3188T/60, 47PFL3198H/12, 47PFL3198T/60, 47PFL4398H/12, 47PFL4398T/60.
PSU SCHEMATIC --------------> 715G5113-P01-W21-0020
The appearance of the MainBoard 715G5155-M0A-002-005K is shown in the figure below:715G5155-M0A-002-005K
PSU Advanced
The 32PFL3007H / 60 TV is equipped with a 715G5113-P01-W21-002M power module using the PFC (Power Factor Correction) circuit acting as an active filter to eliminate the higher harmonic components of the current consumption. The boost converter based on the LD7591GS PWM controller does not allow the input rectifier filter's electrolytic capacitor to be connected to the network directly through open diodes when the charge current determines its reactance (about 15-30 ohms at a frequency of 50 Hz). As a result of the conversion, the charging current of the capacitor will be determined in such a way that the envelope of the high-frequency pulses of the input current will repeat the phase and shape of the sine wave of the input voltage. The health check of the PFC unit is carried out by measuring the DC voltage on the capacitor of the rectifier network. In operating mode, it should be around 380V, in standby approximately 300V.
The appearance of the power supply
Main features of the PHILIPS 32PFL3007H device:
Installed matrix (LCD panel) LC320WXE (SC) (C1) code 154 p / n: 932228398682.
To power the backlight, a converter is used, combined with a power supply, controlled by the OZ9976GN PWM controller. The transformer 80GL32T-30-YS YCI-130 1221H1-POT is installed in the inverter converter. As power elements of the inverter, keys of the type K10A50D, are used.
The necessary supply voltages for all nodes of the PHILIPS 32PFL3007H TV are generated by the power supply module 715G5113-P01-W21-002M, or its analogs using microchips A6069H (Standby 7pin), LD7591GS (PFC), LD7523G (8) and power switches of the type P10NK70ZFP, TK6A65D.
MainBoard - the main board (motherboard) is a 715G5155-M0A-002-005K module, using 7805 chips. A1117ADJ. STALBW. TMDS361B and others.
Additional technical information about the panel:
Brand: LG Display
Model: LC320WXE-SCC1
Type: a-Si TFT-LCD, Panel
Diagonal size: 31.5 inch
Resolution: 1366x768, WXGA
Display Mode: S-IPS, Normally Black, Transmissive
Active Area: 697.685x392.256 mm
Surface: Antiglare (Haze 10%), Hard coating (3H)
Brightness: 450 cd / m²
Contrast Ratio: 1200: 1
Display Colors: 16.7M (8-bit), CIE1931 72%
Response Time: 8 (G to G)
Frequency: 60Hz
Lamp Type: 10 pcs EEFL Without Driver
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 12.0V
