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Message d'origine par : Tomas ,

Titre:

no lcd - no lcd_pwr_en, no backlight - no lcd_bklt_en

Texte:

Hi @refectio,

yesterday i started working on Macbook Pro 15" 2013 with board number 820-3332-A with no backlight / no display issue.

This motherboard has already been repaired by somebody before. I checked every component and LCD / BKLT line and found missing LCD_PWR_EN and LCD_BKLT_EN. When i inject 3,4V to LCD_BKLT_EN, lcd backlight work but here is no image.

I tried reball U9100 but same problem.

LCD_PWR_EN resistance -> 0.615

LCD_BKLT_EN resistance -> 0.590

My queston is how to test U9100 (MCU???) or have somebody same problem? Thanks for your answer !

Best regards

Tomáš

Appareil:

MacBook Pro 15" Retina Display Early 2013

Statut:

open