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LG 32LH513U в дежурке, не включается, на кнопки не реагирует

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LG LED
Model: 32LH513U LG 32LH513U-ZE

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Chassis/Version: LD67C

Panel: HC320DXN-VHVS1-214X

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LED backlight: 32LH51 HD SSC REV05 150925

T-CON: 6870C-0442B 32/37 ROW2.1 HD VER 0.1

LED driver (backlight): integrated into MainBoard

PWM LED driver: MP3378E

MOSFET LED driver: AOD2922

Power Supply (PSU): Adapter ADS-45FSN-19 ( 19 V / 2,1 A )

MainBoard: EAX66805906 1.0

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IC MainBoard: LGE6351, H27U1G8F, MX25L8035E, DT1803A, SN1406035, NTP7515

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Тuner: TDJA-G301D

Control: EBR80772001

 

НЕИСПРАВНОСТЬ: В ДЕЖУРНОМ РЕЖИМЕ. НЕ ВКЛЮЧАЕТСЯ. НА КНОПКИ НЕ РЕАГИРУЕТ. 

Данная проблема связана с неисправностью LED драйвера MP3378E

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Для ремонта необходимо сделать доработку.

Приступаем к ремонту!!))) :314:

Снимаем драйвер подсветки

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Далее необходимо удалить резисторы которые указаны на фото))):sto:

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Теперь аккуратно соединяем указанные точки проводником. Провод берем потоньше. 

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Должно получится так

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Давай те, ради интереса, замерим ток подсветки))) 

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Ого, мне кажется что это многовато..... :yazz:

 

Делаем доработку и уменьшаем ток подсветки!  Необходимо найти данный вывод:fau:

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Как рассчитать сопротивление резистора:ips:

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А теперь халява!:baxx::ips:

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Проверяем...

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Теперь другое дело!!!

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БОНУС!!!

 

 

 

 

 

 

 

 

 

 

 

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