@theelectro54594 "When I measure the battery connector it shows 2.1volts. Is this normal?" no, it is not. The 2.1V are below the charging threshold for your battery and will not start your phone or charge the battery. You did not tell us how you cleaned the board, if there was corrosion damage and if you needed to replace any components.
You can also follow the Samsung flowchart and check the components responsible for the power circuit to the battery
[image|3358357]
Use the [document|38950] file and the search function of your PDF reader to locate the components to be checked, on the circuit board.
About the battery replacement etc, you already know the answer since "it is a very important phone to me". Go for it, replace the battery and whatever else and see what happens.
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Update 7/7/2024
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=== Update 7/7/2024 ===
@theelectro54594 The main PMIC is U5002 (for that location, check on the previously attached Component layout file) Check the coils as well as the capacitors related to that with your meter. If nothing else, I would suggest to either try a reflow or replace the IC. It is a S2MPU08A02-6030 BGA IC, so it will require some good tools and skills to repalce. Here is the schematics for it [document|38986]
@theelectro54594 "When I measure the battery connector it shows 2.1volts. Is this normal?" no, it is not. The 2.1V are below the charging threshold for your battery and will not start your phone or charge the battery. You did not tell us how you cleaned the board, if there was corrosion damage and if you needed to replace any components.
You can also follow the Samsung flowchart and check the components responsible for the power circuit to the battery
[image|3358357]
Use the [document|38950] file and the search function of your PDF reader to locate the components to be checked, on the circuit board.
About the battery replacement etc, you already know the answer since "it is a very important phone to me". Go for it, replace the battery and whatever else and see what happens.
+
+
Update 7/7/2024
+
+
@theelectro54594 The main PMIC is U5002 (for that location, check on the previously attached Component layout file) Check the coils as well as the capacitors related to that with your meter. If nothing else, I would suggest to either try a reflow or replace the IC. It is a S2MPU08A02-6030 BGA IC, so it will require some good tools and skills to repalce. Here is the schematics for it [document|38986]
@theelectro54594 "When I measure the battery connector it shows 2.1volts. Is this normal?" no it is not. The 2.1V are below the charging threshold for your battery and will not start your phone or charge the battery. You did not tell us how you cleaned the board, if there was corrosion damage and if you needed to replace any components.
+
@theelectro54594 "When I measure the battery connector it shows 2.1volts. Is this normal?" no, it is not. The 2.1V are below the charging threshold for your battery and will not start your phone or charge the battery. You did not tell us how you cleaned the board, if there was corrosion damage and if you needed to replace any components.
You can also follow the Samsung flowchart and check the components responsible for the power circuit to the battery
[image|3358357]
Use the [document|38950] file and the search function of your PDF reader to locate the components to be checked, on the circuit board.
About the battery replacement etc, you already know the answer since "it is a very important phone to me". Go for it, replace the battery and whatever else and see what happens.
@theelectro54594 "When I measure the battery connector it shows 2.1volts. Is this normal?" no it is not. The 2.1V are below the charging threshold for your battery and will not start your phone or charge the battery. You did not tell us how you cleaned the board, if there was corrosion damage and if you needed to replace any components.
You can also follow the Samsung flowchart and check the components responsible for the power circuit to the battery
[image|3358357]
+
+
Use the [document|38950] file and the search function of your PDF reader to locate the components to be checked, on the circuit board.
-
About the battery replacement etc, you already know the answer since "it is a very important phone to me". Go for it and see what happens.
+
About the battery replacement etc, you already know the answer since "it is a very important phone to me". Go for it, replace the battery and whatever else and see what happens.
@theelectro54594 "When I measure the battery connector it shows 2.1volts. Is this normal?" no it is not. The 2.1V are below the charging threshold for your battery and will not start your phone or charge the battery. You did not tell us how you cleaned the board, if there was corrosion damage and if you needed to replace any components.
You can also follow the Samsung flowchart and check the components responsible for the power circuit to the battery
[image|3358357]
Use the [document|38950] file and the search function of your PDF reader to locate the components to be checked, on the circuit board.
About the battery replacement etc, you already know the answer since "it is a very important phone to me". Go for it and see what happens.