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Good or Bad Vas5054A
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01-07-2017, 13:15 PM,
(This post was last modified: 01-07-2017, 13:16 PM by Enabled.)
Post: #41
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RE: Good or Bad Vas5054A
I have an AMB2300 VAS5054a, which has worked fine for now, but noticed that the memory isn't the 10ns. I was thinking if it was possible to replace them with correct ones. Simple solder job and run firmware update?
(01-07-2017, 12:55 PM)champagnecharly Wrote: With regards the mem.. what is the diff between.. T = with Lead U = Lead Free |
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01-07-2017, 13:18 PM,
Post: #42
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RE: Good or Bad Vas5054A
I dont know. Thinking about it. on pC. a flash may include compatability with later ram. however i doubt in this case it would be the same as the original ram was UI10 and chinese are mixing a multitude of variations.
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01-07-2017, 13:22 PM,
(This post was last modified: 01-07-2017, 13:27 PM by Enabled.)
Post: #43
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RE: Good or Bad Vas5054A
Hmm, I think I will order the correct ram, and maybe a genuine OKI chip (actually not necessary, only needed for Ford) to make mine as close to original as I can.
Still unsure if I can just replace the RAM without any other modifications? |
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01-07-2017, 13:36 PM,
Post: #44
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RE: Good or Bad Vas5054A
Soldering desoldering is not a good idea on a new product. It is not a car that we can add retrofits. We are talking about a board which is small in size and soldering/desoldering is dangerous. I could only replace Bluetooth module to amb2300 if it is easy, nothing less nothing more. I have done in the past desoldering of resistors from paddle shift boards of SSG technology (not SMG) in order to convert them to SMG using smd tweezers and I was trembling from stress.
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01-07-2017, 13:37 PM,
(This post was last modified: 01-07-2017, 13:40 PM by champagnecharly.)
Post: #45
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RE: Good or Bad Vas5054A
(01-07-2017, 13:22 PM)Enabled Wrote: Hmm, I think I will order the correct ram, and maybe a genuine OKI chip (actually not necessary, only needed for Ford) to make mine as close to original as I can. If it fails.. (which i doubt greatly) then you'll have just to put it back o how it was., Oki is for SAE-J1850 = PWM so yes commonly ford thus sharan. (01-07-2017, 13:36 PM)apoelistas Wrote: Soldering desoldering is not a good idea on a new product. It is not a car that we can add retrofits. We are talking about a board which is small in size and soldering/desoldering is dangerous. I could only replace Bluetooth module to amb2300 if it is easy, nothing less nothing more. I have done in the past desoldering of resistors from paddle shift boards of SSG technology (not SMG) in order to convert them to SMG using smd tweezers and I was trembling from stress. Paste shields and air.. Or IR if you got the money.. |
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01-07-2017, 13:41 PM,
Post: #46
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RE: Good or Bad Vas5054A
(01-07-2017, 13:36 PM)apoelistas Wrote: Soldering desoldering is not a good idea on a new product. It is not a car that we can add retrofits. We are talking about a board which is small in size and soldering/desoldering is dangerous. I could only replace Bluetooth module to amb2300 if it is easy, nothing less nothing more. I have done in the past desoldering of resistors from paddle shift boards of SSG technology (not SMG) in order to convert them to SMG using smd tweezers and I was trembling from stress. I solder and desolder chips to ecus all the time. But those, I usually flash in a chip burner... I don't leave them empty when I put back. I don't have a TSOP44 adapter for these. |
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01-07-2017, 13:42 PM,
Post: #47
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RE: Good or Bad Vas5054A
(01-07-2017, 13:15 PM)Enabled Wrote: I have an AMB2300 VAS5054a, which has worked fine for now, but noticed that the memory isn't the 10ns. I was thinking if it was possible to replace them with correct ones. Simple solder job and run firmware update? Bring on the T then.. 
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01-07-2017, 13:43 PM,
(This post was last modified: 03-07-2017, 04:42 AM by Enabled.)
Post: #48
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RE: Good or Bad Vas5054A
(01-07-2017, 13:37 PM)champagnecharly Wrote: Paste shields and air.. Or IR if you got the money.. Also have had very good luck with Chip Quik (low temp solder helper) for easy removal of small ICs. Just did a bit more reading... It should have been obvious to me. These RAM are SRAM, which lose all their memory on power down. What I was used to is soldering flash memory, which I always flashed and soldered. This should be easy, I ordered 4 RAM chips of the 5V 10ns kind. Same model as on the original genuine VAS5054a. 2 extra just in case, and will upgrade mine soon. |
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10-07-2017, 17:02 PM,
Post: #49
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RE: Good or Bad Vas5054A
Is working good 5054a bluetooth version
Proffesional ECU&TCU Tuning
Petrol and Diesel Engines File Service |
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10-07-2017, 17:48 PM,
Post: #50
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RE: Good or Bad Vas5054A
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