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VAS5054A PCB Difference
07-11-2017, 10:06 AM,
(This post was last modified: 07-11-2017, 10:15 AM by apoelistas.)
Post: #161
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RE: VAS5054A PCB Difference
(07-11-2017, 08:45 AM)prospeed Wrote: At apoelitstas, “2 chip/resistors between the 2 memories” are actualy capacitors, also one voltage regulator needs to be soldered and chip A1040 has to be TJA1050, and if it after the test doest get “OK” it has to change A5780A chip as may not be original. RAM chips are not good as they are not 5v but rather 1.6v-3.5 I believe ram chips are 5V. A5780a is original. It is the same one I purchased same as original. Voltage regulator needs to be soldered ?? Where? A1040 I have no clue. |
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07-11-2017, 10:16 AM,
(This post was last modified: 07-11-2017, 10:26 AM by prospeed.)
Post: #162
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RE: VAS5054A PCB Difference
Run the test with vas pc and you will find out i bet you wont get “OK” with this chip set. i’ve spend lots of time on 5 clones to get “ok” result and ended up to buy original chip, A5780A if is not original gives 700.2115 error!
also, you need 5v voltage regulator install below that tja1050 and remove that joke transistor! |
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Reputation: +1 - apoelistas [+1] | |||
07-11-2017, 10:21 AM,
(This post was last modified: 07-11-2017, 10:39 AM by apoelistas.)
Post: #163
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RE: VAS5054A PCB Difference
Havent seen that side of my board. When my memory arrives and I open my vas again I will take pictures and compare.
Thanks for the picture below. |
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07-11-2017, 10:30 AM,
Post: #164
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RE: VAS5054A PCB Difference
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07-11-2017, 16:37 PM,
Post: #165
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RE: VAS5054A PCB Difference
(07-11-2017, 08:45 AM)prospeed Wrote: At apoelitstas, “2 chip/resistors between the 2 memories” are actualy capacitors, also one voltage regulator needs to be soldered and chip A1040 has to be TJA1050, and if it after the test doest get “OK” it has to change A5780A chip as may not be original. RAM chips are not good as they are not 5v but rather 1.6v-3.5 A1040 is the TJA1040 CAN chip, which is equivalent replacement for TJA1050. There's nothing wrong with using it. Correct, you can not tell if A5780A chip (and probably OKI) is genuine just by looking at it. Not that you'd need either chip, so efforts can be placed elsewhere. |
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Reputation: +1 - apoelistas [+1] | |||
07-11-2017, 17:43 PM,
Post: #166
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RE: VAS5054A PCB Difference
What is the point of reworking the unit and leave few chips just because you wont probably need them, for what they worth may as well change them.
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07-11-2017, 18:37 PM,
(This post was last modified: 07-11-2017, 18:39 PM by Thomas M..)
Post: #167
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RE: VAS5054A PCB Difference
(07-11-2017, 10:16 AM)prospeed Wrote: Run the test with vas pc and you will find out i bet you wont get “OK” with this chip set. i’ve spend lots of time on 5 clones to get “ok” result and ended up to buy original chip, A5780A if is not original gives 700.2115 error! Thank you for useful information from all of you. I will post some feedbacks later also. I can do test now. Does VAS-PC work on Win 10 x64? I will do this job on my unit. |
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07-11-2017, 19:08 PM,
(This post was last modified: 07-11-2017, 19:12 PM by prospeed.)
Post: #168
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RE: VAS5054A PCB Difference
Is your LT3010EMS8E ends like this at the end -5#PBF ?
if its not it wont power up at all. let us know the result |
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07-11-2017, 19:33 PM,
Post: #169
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RE: VAS5054A PCB Difference
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07-11-2017, 20:02 PM,
(This post was last modified: 07-11-2017, 20:12 PM by prospeed.)
Post: #170
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RE: VAS5054A PCB Difference
LT3010EMS8E-5#PBF or LT3010-5, 5V its got to be is what I’d mean.
and what I came across also is if you test it on the bench and apply only power to pin 16 you get the fault 700.2230 but add power to pin 1 ignition on and the fault is gone and shows OK |
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