Monday 13 April 2020

REPAIR / SERVICING TV ERISSON 40LES71T2





Technical description and composition of the ERISSON 40LES71T2 TV, type of panel and applicable modules. The composition of the modules.
ERISSON
Model: 40LES71T2
Panel: V400HJ6-PE1
Inverter (backlight): integrated into MainBoard
PWM Inverter: TPS61196
MOSFET Inverter: AOD4286
Power Supply (PSU): integrated into MainBoard
MainBoard: 5800-A6M30G-0P00
IC MainBoard: CPU: MSD3463GSA, SPI Flash: 25Q64CSIG, Audio: TPA3113D2, MP8126, Z3015A1
Tuner: DVB-T / DVB-T2 / DVB-C / DVB-S2
Appearance
ERISSON 40LES71T2
General recommendations for repairing TV LCD
Repair MainBoard
The appearance of the MainBoard 5800-A6M30G-0P00 is shown in the figure below:
5800-A6M30G-0P00
Main features of the ERISSON 40LES71T2 device:
Installed matrix (LCD panel) V400HJ6-PE1.
To power the backlight, a converter is used, combined with the main board 5800-A6M30G-0P00, controlled by the TPS61196 PWM controller. As power elements of the inverter, keys of the AOD4286 type are used.
The power module is combined with the MainBoard and is made according to the flyback AC / DC voltage converter circuit.
MainBoard - the main board (motherboard) is a 5800-A6M30G-0P00 module, using CPU chips: MSD3463GSA, SPI Flash: 25Q64CSIG, Audio: TPA3113D2, MP8126, Z3015A1 and others.
The DVB-T / DVB-T2 / DVB-C / DVB-S2 tuner allows you to receive TV programs and tune to channels.
Additional technical information about the panel:
Brand: INNOLUX
Model: V400HJ6-PE1 Rev. C2
Type: a-Si TFT-LCD, CELL
Diagonal size: 40 inch
Resolution: 1920x1080, FHD
Display Mode: MVA, Normally Black, Transmissive
Active Area: 878.112x485.352 mm
Surface: Antiglare (Haze 1%)
Glass Depth: 0.50 + 0.50 mm
Transmissivity: 6.0% (with Polarizer)
Contrast Ratio: 5000: 1
Display Colors: 16.7M (8-bit)
Response Time: 8.5 (G to G)
Frequency: 60Hz
Signal Interface: LVDS (2 ch, 8-bit), 51 pins
Voltage: 12.0V