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#1
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Ward Beck MP4
I have a Ward Beck MP4 (meter bridge) that has 3 VUs and a correlation
meter. I am looking for a trimmer board for one of the VUs (2-107) and info on a power supply. There is a 5 pin connector on the back for the power but only uses 3 pins. Does anyone have info on this? I could build a PS if I knew the voltages etc. I did call WBS but they havent been alot of help so far. Thanks Joe |
#2
Posted to rec.audio.pro
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Ward Beck MP4
Joe wrote:
I have a Ward Beck MP4 (meter bridge) that has 3 VUs and a correlation meter. I am looking for a trimmer board for one of the VUs (2-107) and info on a power supply. There is a 5 pin connector on the back for the power but only uses 3 pins. Does anyone have info on this? I could build a PS if I knew the voltages etc. I did call WBS but they havent been alot of help so far. Thanks Joe Talk to Eugene Johnson at Ward-Beck. He is the old guy who knows about the console hardware. You can also ask drthomas at direct.ca, who has a lot of interest in that gear. But really, you can guess that the thing probably runs on +/- 15V. Check the decoupling cap voltages and make sure they are higher than 15V and you'll know for sure. And you can guess which of the three wires is ground and using an ohmmeter and knowing the IC pinouts you can figure out which one is positive and which negative. A little brick supply should drive it fine. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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