11-07-2017, 10:17 AM
Started on the frame and sound PCB.
Not only are there loads of Callins but a sprinkling of bead tantalums too. I'm not trusting any of them either. Not sure why they needed to go to the expense of tants in any of the locations I've looked at so far. Also found a few "special tolerance" electrolytics. So far: 5.6uF 25V 20%, 50uF 40V -10% + 20% and 25uF 25V -10% +20%. If they're Callins they'll get ordinary decent electrolytics. If they're Mullard they might stay for now. If the performance is a bit off I'll AOT the values.
Not only are there loads of Callins but a sprinkling of bead tantalums too. I'm not trusting any of them either. Not sure why they needed to go to the expense of tants in any of the locations I've looked at so far. Also found a few "special tolerance" electrolytics. So far: 5.6uF 25V 20%, 50uF 40V -10% + 20% and 25uF 25V -10% +20%. If they're Callins they'll get ordinary decent electrolytics. If they're Mullard they might stay for now. If the performance is a bit off I'll AOT the values.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv
