Arek's TF534 build
Moderators: terriblefire, Terriblefire Moderator
- 8 Bit Dreams
- Moderator Team
- Posts: 785
- Joined: Fri Nov 09, 2018 7:12 am
- Location: Germany
Re: Arek's TF534 build
4-layer lis a bit different to 2-layer boards, middle layers do obsorb much heat
As said - use preheater to avoid lifting pads,
If you do it right you don't need high temperatures, board is heated from bottom and removing such komponents like cpld is a pice of cake...
As said - use preheater to avoid lifting pads,
If you do it right you don't need high temperatures, board is heated from bottom and removing such komponents like cpld is a pice of cake...
Retro computer hardware & repair in Germany
- arkadiusz.makarenko
- Moderator Team
- Posts: 1208
- Joined: Wed Jun 19, 2019 7:36 am
- Location: Edinburgh
Re: Arek's TF534 build
Preheater is on my list things to buy.8 Bit Dreams wrote: ↑Fri Sep 13, 2019 5:33 pm 4-layer lis a bit different to 2-layer boards, middle layers do obsorb much heat
As said - use preheater to avoid lifting pads,
If you do it right you don't need high temperatures, board is heated from bottom and removing sych komponents like cpld is a pice of cake...
Do not trust people. They are capable of greatness.
~ Stanislaw Lem
~ Stanislaw Lem
-
- Posts: 290
- Joined: Thu Feb 28, 2019 5:02 pm
Re: Arek's TF534 build
What kind of preheater are you using?
- 8 Bit Dreams
- Moderator Team
- Posts: 785
- Joined: Fri Nov 09, 2018 7:12 am
- Location: Germany
Re: Arek's TF534 build
I have one like this:
https://rover.ebay.com/rover/0/0/0?mpre ... 3071718018
https://rover.ebay.com/rover/0/0/0?mpre ... 3071718018
Retro computer hardware & repair in Germany
- arkadiusz.makarenko
- Moderator Team
- Posts: 1208
- Joined: Wed Jun 19, 2019 7:36 am
- Location: Edinburgh
Re: Arek's TF534 build
I started working on board nr 2.
Should I install R2 ? I did find a note on schematics note about some resistor, and now I am confused a little.
Should I install R2 ? I did find a note on schematics note about some resistor, and now I am confused a little.
Do not trust people. They are capable of greatness.
~ Stanislaw Lem
~ Stanislaw Lem
- 8 Bit Dreams
- Moderator Team
- Posts: 785
- Joined: Fri Nov 09, 2018 7:12 am
- Location: Germany
Re: Arek's TF534 build
All resistors and caps should be installed
Retro computer hardware & repair in Germany
-
- Moderator Team
- Posts: 5389
- Joined: Mon Aug 28, 2017 10:56 pm
- Location: Glasgow, UK
Re: Arek's TF534 build
My soldering iron is decent enough. I do need to put the temp up to to the ground pins i guess.
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
- arkadiusz.makarenko
- Moderator Team
- Posts: 1208
- Joined: Wed Jun 19, 2019 7:36 am
- Location: Edinburgh
Re: Arek's TF534 build
I completed build of second board, and I get EXACTLY the same output garbadge on serial output. This makes me think that I mostl likekly have bad CPU.
I have not installed RAM yet, but this shoudn't matter ? I still should see clear Diagrom output.
I have not installed RAM yet, but this shoudn't matter ? I still should see clear Diagrom output.
Do not trust people. They are capable of greatness.
~ Stanislaw Lem
~ Stanislaw Lem
-
- Posts: 41
- Joined: Sun Mar 24, 2019 2:19 pm
Re: Arek's TF534 build
Have you checked that your serial link is working correctly using a standard board (e.g A500 with 68000) fitted with DiagROM?
- arkadiusz.makarenko
- Moderator Team
- Posts: 1208
- Joined: Wed Jun 19, 2019 7:36 am
- Location: Edinburgh
Re: Arek's TF534 build
Yup. Works all right on orginal CPU.
Do not trust people. They are capable of greatness.
~ Stanislaw Lem
~ Stanislaw Lem