Technical description and composition of the PANASONIC TX-22LT3 TV, panel type and modules used. The composition of the modules.PANASONIC
Model: TX-22LT3
Panel: 22Inch 16: 9
Inverter (backlight): integrated into PSU
PWM Inverter: C0ABCA000064
MOSFET Inverter: B1DBED000001
Power Supply (PSU): TNPA2896
MainBoard: TNPH0546AB & TXNDG10NPK
Tuner: ENG29519GF
TX-22LT3 Specifications
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TV LCD TX-22LT3 Year of issue: 2003
Screen diagonal: 22 "(55 cm)
Screen format: 16: 9
Resolution: 852x480
Brightness: 450 cd / m2
Contrast: 400: 1
Viewing angle: 160 °
Pixel Response Time: 16ms
Progressive scan: yes
TV standards: PAL, SECAM, NTSC
Number of channels: 100
Teletext: no
Stereo sound: yes
Acoustics: two speakers
Interface: SCART, RGB
TV weight: 11.5 kg
PANASONIC TX-22LT3
General recommendations for TV LCD repair
Main features of the PANASONIC TX-22LT3 device:
Installed matrix (LCD panel) 22Inch 16: 9.
To power the backlight lamps, a converter combined with a power supply is used, controlled by a PWM controller C0ABCA000064. The keys of the B1DBED000001 type are used as power elements of the inverter.
The formation of the necessary supply voltages for all nodes of the PANASONIC TX-22LT3 TV is carried out by the TNPA2896 power module, or its analogs.
MainBoard - the main board (motherboard) is a TNPH0546AB module.
The ENG29519GF tuner provides reception of television programs and tuning to channels.
DOWNLOAD SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> LH12 Chassis for models TX-22LT3F, TX-22LT3V, TX-22LT3P
PANASONIC TX-22LT3 TV with LCD 22Inch, 22 "(55 cm) diagonal, 16: 9 format. Screen brightness of 450 cd / m² is provided by CCFL (EEFL) fluorescent lamps. Contrast, as the ratio of maximum to minimum brightness, is 400: 1. The input analog video signal can be processed in PAL, SECAM, NTSC systems. Stereo sound and the required sound output power is realized by two built-in speakers. The NICAM STEREO sound processing system is used.
External interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), SCART, RGB.
Overall dimensions: 586x388x67 mm.
TV weight: 11.5 kg.
Attention! Panel 22Inch 16: 9 LCD-TV PANASONIC TX-22LT3 is a rather expensive component.
Avoid impacts on glass and pressure on the surface of the screen to avoid irreversible damage to the LCD panel!