AngryChris Posted March 22, 2017 Share Posted March 22, 2017 I have a couple boards for a Vendo 570. Both boards are 5.1b and the second board was supposed to replace the first one. I have learned that both are burnt at J1, which I believe is the power as the harness going in was red and white. I believe the issue is with the offsets. This particular machine has metal studs (I am going to use that term) for the control board in addition to standoffs. Although the board was not touching the metal case for the control board, there is a clear burn mark on the metal case behind the board. I'm not sure if the board shorted out there or if it shorted out for some other reason. The board DID work fine until I accidentally disconnected the coin mech and reconnect the coin mech with the power on (twice). I thought (stupidly) that the switch at the bottom of the cabinet in front of the refrigeration deck would kill the power to the electronics but I was wrong. So now, I am not sure if I killed the board by plugging/unplugging the mech OR if the problem is with the board shorting out in the case despite being at least 1/4" from the metal. I am actually going to send one board off for repair while i try to fix the second board myself as practice. Can anyone give me insight on this? I am trying to order a harness to make this MDB because I feel like the coin mech AND validator harnesses create too much of a cluster golpher in this machine. Link to comment Share on other sites More sharing options...
lacanteen Posted March 22, 2017 Share Posted March 22, 2017 Going MDB will help a lot. I have this board and harness. Link to comment Share on other sites More sharing options...
AZVendor Posted March 22, 2017 Share Posted March 22, 2017 You probably have broken plastic standoffs behind the board. Those get very brittle over time and you should replace them when the board is replaced. Link to comment Share on other sites More sharing options...
AngryChris Posted March 22, 2017 Author Share Posted March 22, 2017 That's the board, lacanteen. I ordered the harness . It was hard to find. I'm also getting new standoffs. Link to comment Share on other sites More sharing options...
AngryChris Posted March 22, 2017 Author Share Posted March 22, 2017 My question is, are the metal studs supposed to be there? Link to comment Share on other sites More sharing options...
CajunCandy Posted March 23, 2017 Share Posted March 23, 2017 No! Link to comment Share on other sites More sharing options...
Snickers Posted March 23, 2017 Share Posted March 23, 2017 Do you happen to know the part # on that harness? I need to find some as well. Link to comment Share on other sites More sharing options...
AngryChris Posted March 23, 2017 Author Share Posted March 23, 2017 I had to google and search all over to find it. Google "Vendo 5.1 mdb harness" and see what you find. AZVendor might have some. An important thing is to note which 5.1 board you have because apparently a 5.1 is different from a 5.1b and I think there is a 3rd version as well. I don't know if all are compatible with the harness. I had to visually compare my board with the one in the picture. Link to comment Share on other sites More sharing options...
lacanteen Posted March 23, 2017 Share Posted March 23, 2017 The part number of the harness in my picture is 1070945. It is 6 pins with 5 wires. Link to comment Share on other sites More sharing options...
Snickers Posted March 25, 2017 Share Posted March 25, 2017 On 3/23/2017 at 6:39 AM, lacanteen said: The part number of the harness in my picture is 1070945. It is 6 pins with 5 wires. Thank you Link to comment Share on other sites More sharing options...
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