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 | Wed Jun 18 02:43:37 EDT 2014 | tjbooc
CHECK IO BOARDS STATUS, CHECK HEAD IO 24VDC SUPPLY, CHECK 24VDC SUPPLY TERMINAL, CHECK WIRING CONNECTED TO HEAD IO I think this is an I/O communication problem. Fail in connecting to I/O cards.
Electronics Forum | Tue May 07 07:42:36 EDT 2002 | smtexpert
I have YAMAHA YVL80 Pick & Place machine which has consistent failures of head I/O card (CPU 8344) due to excessive heating of bridge rectifier on it. We have already replaced this card twice within span of just 3 months. Can I have some tips from an
Electronics Forum | Wed May 02 22:14:21 EDT 2007 | DSD
The Philips Orion (Yamaha YV100) Head I/O Board is usually at fault as this tends to suffer trackwork problems with age due to the constant flexing of the board stressing the connectors on the board, thus breaking tracks within layers. You should not
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