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Old 31-01-15, 01:03 PM   #1
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new1.gif ===>>> ATF eMMC Test Point Finder Tutorial <<<===

Reserved #1 : How to make tp cable

Very Simple TP Cable Schematics



Sample of Home Made Cable
 
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Old 31-01-15, 01:03 PM   #2
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Default Re: ===>>> ATF eMMC Test Point Finder Tutorial <<<===

Reserved #2 : How to find CLK and CMD

Please Take Note of the Following Items before Attempting to Find CLK and CMD:

1. Make sure you connect Positive (+) and Negative (-) Terminals Properly and Correctly.
2. Make sure POWER BUTTON is ALWAYS PRESSED
3. DO NOT Connect USB Cable to Phone
3. Allow at least 2 Tries per possible Location on the PCB
4. DO NOT Exert Too Much Force on the Resistors as they may COME OFF!!!
5. For Exynos Based Phones, you can only Find CLK using this method. CMD Can be found using another Method.
6. Not all Phones have exposed CLK or CMD Locations on the PCB.
7. Not all Phones are supported with this NEW TP FINDER Method. ATF Team will continue to improve it via UPDATES.


STEP 1: Connect Power Positive (+) and Negative (-) to the Phone's Battery Terminal
STEP 2: Make Sure Power Button is Always Pressed. Use Rubber Band or Tie Cables.



STEP 3: Setup ATF Software settings such as REPEAT and INTERVAL for your convenience
REPEAT <--- Number of Times TP Finder will Loop Itself Automatically
INTERVAL <--- Delay in Seconds before the next TP Finder Operation will Start



STEP 4: Start Connecting Test Point PIN to Resistors/TP Pads on the Phone's PCB around the eMMC Area.
Wait for Message "Please Check Another Location..." before trying other TP Locations
On ATF BIG Chrome Box, change TP Location when GREEN LED will Power OFF
On ATF Nitro/Lightning Box, change TP Location when BLUE LED will Power OFF


In this Example, I tried all the Locations that were marked with RED
DO NOT TRY TO TP a CAPACITOR, it is NEVER CORRECT
Capacitors are BROWN in COLOR
Resistors are BLACK in COLOR
ONLY TRY TO TP Resistors and Test Point Pads around eMMC Area



When a correct Test Point is Found, you will see similar Message Below.
The message also shows you the PINOUT of ATF RJ-45 Socket for the proper connection of the Test Point Found.




If Test Point is not Found Around the eMMC Area, you can try looking for it around the CPU Area.
 
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Old 31-01-15, 01:04 PM   #3
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Default Re: ===>>> ATF eMMC Test Point Finder Tutorial <<<===

Reserved #3 : How to find DATA

Reserved #4 : How to find Vcc and VccQ
 
Old 12-03-15, 05:34 AM   #4
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Default Re: ===>>> ATF eMMC Test Point Finder Tutorial <<<===

STEP 4 : How to find Vcc

<<< FOR QUALCOMM BASED PHONES, YOU DO NOT NEED VccQ and VCC >>>
<<< You just need to Connect USB Cable to Phone PCB >>>
<<< Proceed to STEP 5 on How to find DATA Test Point >>>



DO NOT USE TP CABLE FROM STEP 1 for finding VCC.
Finding VCC Requires another TP Cable which you can make using your current
External Power Adapter for eMMC.


You need to Prepare your External Power Adapter with a TEST POINT PIN on 3.30v Like This:




1. Solder CLK Test Point Found from STEP 2 into the Phone PCB
2. Solder CMD Test Point Found from STEP 2 into the Phone PCB
3. Solder VccQ External Power 1.80v~2.80v from STEP 3 into the Phone PCB
4. Solder GROUND Connection from ATF RJ-45 to the Phone PCB.
5. Solder GROUND Connection from External Power Adapter to the Phone PCB.




On ATF Software, Make the necessary Settings for eMMC Finder Loop:




In this Example, I tried all the Locations that were marked with RED
DO NOT TRY TO TP a RESISTOR, it is NEVER CORRECT for VCC
Capacitors are BROWN in COLOR
Resistors are BLACK in COLOR
ONLY TRY TO TP Capacitors



When you have connected the testpoint cable to the correct Vcc Test Point, the ATF Software will announce to you
that the VCC Pinout has been located.
===================================
Don't forget to press Thanks Button
Read The Rules Careful HERE
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GsmJaker

 
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Old 12-03-15, 05:35 AM   #5
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Default Re: ===>>> ATF eMMC Test Point Finder Tutorial <<<===

STEP 5: How to find DATA

Now for the Last Step, you must already have the correct CLK, CMD, VccQ and VCC from the Previous Steps 2-3-4.

1. Solder CLK Test Point using TP Cable from STEP 1
2. Solder CMD Test Point using TP Cable from STEP 1
3. Solder GND Test Point using TP Cable from STEP 1 (or just connect to VBATT Negative (-));


For Qualcomm Based Phones, Connect USB Cable to Phone PCB

For Exynos, Marvel PXA and Broadcom Based Phones, Solder VccQ and Vcc External Power Supply and GROUND.


STEP 5 Connection Should Look Like This:



Now Setup ATF eMMC Pin Finder Module for Finding DATA Test Point:



In this Example, I tried all the Locations that were marked with RED
DO NOT TRY TO TP a CAPACITOR, it is NEVER CORRECT for DATA
Capacitors are BROWN in COLOR
Resistors are BLACK in COLOR
ONLY TRY TO TP Resistors and Test Point Pads around eMMC Area




When the Correct DATA Test Point is Found, ATF Software will show a similar message:



Congratulations, you now have ALL eMMC Test Point Programming PINOUTS!!!
===================================
Don't forget to press Thanks Button
Read The Rules Careful HERE
Br
GsmJaker

 
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