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Macbook 820-00239 SSD
- Thread starter Instafixx
- Start date
Does it enter target disk mode?
Check J9600's signals and voltages.
Be sure to have good contacts left/right.
Check J9600's signals and voltages.
Be sure to have good contacts left/right.
Did you check on both sides of J9600?
Be sure to have good contacts in connector.
Be sure to have good contacts in connector.
No, I mean both sides of J9600.
I hope the connector isn't empty...
I hope the connector isn't empty...
No!
Just confirm to have good continuity left/right; referring to schematic.
Just confirm to have good continuity left/right; referring to schematic.
Something like that, but for all pins pair.
I doubt to have problems on the ground lines.
I doubt to have problems on the ground lines.
Yes, that is.
When J9600 metal plate is inserted, you MUST get 0 ohm between each pins pair.
When J9600 metal plate is inserted, you MUST get 0 ohm between each pins pair.
Use boardview and find proper test points.
Work with the board alone on the desk.
Work with the board alone on the desk.
"PP3V3_S5_SSD_LB IS 0.7V
PP3V3_S5 IS 3.3V
------------------
37-45 / 38-46 is 0.4Ohms"
All these readings can't be true at same time...
PP3V3_S5 IS 3.3V
------------------
37-45 / 38-46 is 0.4Ohms"
All these readings can't be true at same time...
You don't need to make any test with J9600 disconnected.
Post voltage for pins 2, 4, 6, 8, 12, 36, 44.
As always, find proper test points; look near U9013 area.
Post voltage for pins 2, 4, 6, 8, 12, 36, 44.
As always, find proper test points; look near U9013 area.