Victor Holley
Member
PPbus_g3h 12.59v
PP3V3_S5present
u7840
1. PP3V42_G3H_PWRCTL 3.39v
2. 5V3V3_REG_EN 3.38v SMC_PM_G2_EN 3.38v
3. P0V9S5_EN 3.37v
4. P3V3S5_EN_L 0v diode .441 3.92m ohms
5. ground
6. PP3V3_S5 3.31v
7. S5PGOOD_DLY 0v .417 .544m ohms
8. RSMRST_PWRGD 3.35v
I've replaced u7840 due to corrosion and a 7ohm short on pin 4 P3V3S5_EN_L no change. checked u7840 on pin 4 before new installation and short went to OL. New values posted above. Am i missing a prerequisite?
PP3V3_S5present
u7840
1. PP3V42_G3H_PWRCTL 3.39v
2. 5V3V3_REG_EN 3.38v SMC_PM_G2_EN 3.38v
3. P0V9S5_EN 3.37v
4. P3V3S5_EN_L 0v diode .441 3.92m ohms
5. ground
6. PP3V3_S5 3.31v
7. S5PGOOD_DLY 0v .417 .544m ohms
8. RSMRST_PWRGD 3.35v
I've replaced u7840 due to corrosion and a 7ohm short on pin 4 P3V3S5_EN_L no change. checked u7840 on pin 4 before new installation and short went to OL. New values posted above. Am i missing a prerequisite?