bjf
Member
Known-good 2012 test screen. Has flashing folder. No backlight. Spill damage, but very minimal and nothing near LCD connector or U9701. Any idea what I'm missing?
- BKLT_EN_L - 0V
- BKLT_EN_DIV - 4.3V
- F9700 is fine and has 12.6V on both sides
- PPBUS_SW_BKLT - 12.6V
- BKLT_EN - 3.15V
- 5V_S0 present
- D9701 Pin 1: 12.59V
- D9701 Pin 2: 12.29V
- Pin 1 of LCD connector has 12.29V
- R9753 and R9757 are both good and have continuity to U9701
- BKL_SW - 1.1V
- BKL_FB - 5.8V
- replaced U9701
- BKLT_EN_L - 0V
- BKLT_EN_DIV - 4.3V
- F9700 is fine and has 12.6V on both sides
- PPBUS_SW_BKLT - 12.6V
- BKLT_EN - 3.15V
- 5V_S0 present
- D9701 Pin 1: 12.59V
- D9701 Pin 2: 12.29V
- Pin 1 of LCD connector has 12.29V
- R9753 and R9757 are both good and have continuity to U9701
- BKL_SW - 1.1V
- BKL_FB - 5.8V
- replaced U9701