Technical description and composition of the PANASONIC TX-32ESR500 TV, panel type and modules used. The composition of the modules.PANASONIC LED
Model: TX-32ESR500
Chassis / Version: TNPH1181
Panel: 17072MD002278 REV A
LED backlight: F110M5P40F TNMX009 PN-EL-32-21-V0
T-CON: V320BJ6-Q01 6B01M0017B00R
LED driver (backlight): integrated into PSU
Power Supply (PSU): TNPA6076 1
MainBoard: TNPH1181
IC MainBoard: CPU: MT5581P, AUDIO: YDA176
Tuner: 24CIL112A
Control: IR: TNPA6010 1, WiFi: DNUA-P75B
TX-32ESR500 Specifications
PANASONIC TX-32ESR500
General recommendations for TV LCD LED repair
Possible malfunctions
- The PANASONIC TX-32ESR500 does not turn on, the indicators on the front panel do not light or flash. The TV does not respond to the control buttons and the remote control.
With such manifestations, the TNPA6076 power supply module usually fails. It is necessary to make sure that its output voltages are present and, if they are completely absent, check the power switches and rectifier diodes for a possible short circuit.
In case of breakdowns in the secondary circuits of the converter, it can usually work in an emergency mode in a short-circuit mode, and with a short circuit in the power elements of the primary circuit, the mains fuse or current sensor in the source of the key most often breaks off.
Mos-Fet power switches used in switching power supplies sometimes fail due to a malfunction of any other elements that can disable it in the key mode, or create an excess of the maximum permissible key parameters. These can be elements supplying a PWM regulator, frequency setting or damper circuits, or elements of negative feedback in the stabilization circuit. PWM controllers, in the absence of visible damage or outright short circuits between the terminals, are checked by replacing them with new ones, or knowingly working properly.
- There is no picture, but there is sound, it reacts to the remote control. Or the image appears when turned on and disappears immediately
In some of these cases, the malfunction is caused by the lack of display backlighting. The reason for this may be an open circuit in the LED circuit, or a problem in stabilizing their power supply.
It is impossible to check the LED bars for a break 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. Having disassembled the panel, it is necessary to check each LED separately. Chinese multimeters tend to light one 3-volt LED in the forward direction. In the case of using dual 6-volt LEDs, the PN junction of its protective zener diode can serve as an indicator of serviceability. In faulty LEDs, the zener diode will either be cut off or broken through in the K / Z.
- The indicator blinks or is on constantly, the TV does not turn on, does not respond to the remote control.
Repair or diagnostics of the TNPH1181 motherboard should begin with checking the stabilizers and power converters necessary to power the microcircuits and the matrix. If necessary, you should update or replace the software (software).
Before changing the 24CIL112A tuner, if it is not possible to tune to television channels, you should make sure that there are supply voltages, which must be measured at the corresponding tuner terminals and check the software for correctness. The pulses of the data exchange of the tuner with the processor can be monitored with an oscilloscope
Attention to users! Self-repair of the PANASONIC TX-32ESR500 TV without the appropriate qualifications and the necessary experience can lead to its complete non-repairability!
DOWNLOAD SCHEMATIC DIAGRAM / SERVICE MANUAL -------------> LA75 Chassis PANASONIC TX-32ESR500
Additional MainBoard RepairThe MainBoard TNPH1181 is shown in the figure below:
TNPH1181
External view of the power supply
The main features of the PANASONIC TX-32ESR500 device:
Installed matrix (LED-panel) 17072MD002278 REV A.
Matrix control uses Timing Controller (T-CON) V320BJ6-Q01.
A converter combined with a power supply is used to power the backlight LEDs.
The formation of the necessary supply voltages for all nodes of the PANASONIC TX-32ESR500 TV is carried out by the TNPA6076 power module, or its analogs.
MainBoard - the main board (motherboard) is a TNPH1181 module, using CPU chips: MT5581P, AUDIO: YDA176 and others.
The 24CIL112A tuner provides reception of television programs and tuning to channels.
TV PANASONIC TX-32ESR500 with LCD 17072MD002278, diagonal size 31.5 "(80 cm) 16: 9 format. The technology of manufacturing the screen of this TV model is realized with LED backlighting.
The 17072MD002278 panel and TNPH1181 firmware allow you to view HD images at 1366x768 pixels for 720p graphics resolution (HD Ready).
The TX-32ESR500 TV is equipped with SMART software, built-in applications and the ability to work on the Internet. Internet connection can be made via Wi-Fi wireless connection. Multimedia file formats supported by the video processor: MP3, WMA, MPEG4, HEVC (H.265), MKV, JPEG.
The power of the acoustic audio system is 20 W (2x10 W) provided by two speakers. Uses NICAM stereo signal system and Sound Surround function.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, HDMI x2, USB x2, Ethernet (RJ-45), Wi-Fi. A headphone output is provided for individual listening.
The digital tuner is capable of receiving terrestrial and cable channels in the DVB-T MPEG4, DVB-C, DVB-T2, DVB-S2 standards.
Dimensions: with stand 733x481x198 mm, without stand 733x437x69 mm.
TV weight: with stand: 6 kg, without stand: 5.5 kg.
Attention! Panel 17072MD002278 REV A LED TV PANASONIC TX-32ESR500 is the most expensive element.
Do not allow any impact on the glass and pressure on the screen surface to avoid damage to the LED panel!
Liquid spillage on the screen is unsafe. Sometimes one drop is enough if it drips down the glass onto the cables to make the TV unrepairable.