Electronics Forum | Mon Sep 20 00:51:03 EDT 2010 | jeffr
This particular Yamaha Head I/O Board is a common failure. Yamaha supply an updated version which is less likely to fail. The cause of the problem that you see is due to the connectors on the flexing and damaging the inner layers of the board. The on
Electronics Forum | Fri Jun 18 16:16:49 EDT 1999 | Scott Cook
| Ah Yes, 'twas many a year ago, in a land of gambling and fast women. High upon the desert, I received the expert tutelage by the old master so wise and so old. Yup its a small world, Viva Gardnervill. And happy trail's to you, until we meet
Electronics Forum | Fri Jun 18 17:08:28 EDT 1999 | Earl Moon
| | Ah Yes, 'twas many a year ago, in a land of gambling and fast women. High upon the desert, I received the expert tutelage by the old master so wise and so old. Yup its a small world, Viva Gardnervill. And happy trail's to you, until we mee
Electronics Forum | Fri Jun 18 17:11:07 EDT 1999 | Earl Moon
| | Ah Yes, 'twas many a year ago, in a land of gambling and fast women. High upon the desert, I received the expert tutelage by the old master so wise and so old. Yup its a small world, Viva Gardnervill. And happy trail's to you, until we mee
Electronics Forum | Fri Jun 18 17:40:28 EDT 1999 | M Cox
| | | Ah Yes, 'twas many a year ago, in a land of gambling and fast women. High upon the desert, I received the expert tutelage by the old master so wise and so old. Yup its a small world, Viva Gardnervill. And happy trail's to you, until we m
Electronics Forum | Fri Jun 18 17:43:54 EDT 1999 | M Cox
| | | Ah Yes, 'twas many a year ago, in a land of gambling and fast women. High upon the desert, I received the expert tutelage by the old master so wise and so old. Yup its a small world, Viva Gardnervill. And happy trail's to you, until we m
Electronics Forum | Thu Feb 14 23:37:38 EST 2008 | operator
That is bizarre. I would have to say that you need to do a test on the PCB to test solderability with an iron like mentioned before. If you don't find that the pads are contaminated or masked over lightly and the pads do take solder effortlessly, you
Electronics Forum | Mon Apr 29 05:25:13 EDT 2002 | ianchan
Hi, we do Sn plated I/O pinning insertion into Ni/Au thru' holes. no problems here so far, as we cater for the "interference" (fit-allowances) of the I/O pin into the thru' diameter, via improved PCB thru' hole designs. before this cater/considerati
Electronics Forum | Fri May 11 07:12:25 EDT 2018 | mahendra
Please assist with above requirement. I suspect this board to be causing the machine to hang up.
Electronics Forum | Wed Aug 26 15:00:08 EDT 2020 | jmelson
That's a rev 1 board, my machine has a rev 2. I have no idea if they are interchangeable. So, I bought a Rev 2 board from Korea. But, I'm flying pretty blind on this. I have traced the ready button signal to a microprocessor pin on the IO_DPRAM bo
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