Schematic Required For Iso-Tech IPS 303DD Laboratory Power Supply

Thread Starter

paulktreg

Joined Jun 2, 2008
835
Help needed finding a schematic for the above power supply originally supplied by Radio Spares in the UK.

Tried google with no luck.

Any ideas?

Help appreciated.
 

Thread Starter

paulktreg

Joined Jun 2, 2008
835
IMG_2166.JPG

IMG_2165.JPG

IMG_2167.JPG

The power supply as a DC output voltage but it is not being shown on the dead voltage readout. There are two 5V power supplies on the long thin board at the top of the board behind the front panel and the 400mA fuse for what I'm presuming is the voltmeter power supply is blown.

A schematic would help.

Thanks.
 
Last edited:

Dodgydave

Joined Jun 22, 2012
11,302
View attachment 295163

View attachment 295164

View attachment 295166

The power supply as a DC output voltage but it is not being shown on the dead voltage readout. There are two 5V power supplies on the long thin board at the top of the board behind the front panel and the 400mA fuse for what I'm presuming is the voltmeter power supply is blown.

A schematic would help.

Thanks.
There are two separate orange AC feeds to the board with fuses, check the supplies and the fuses first.
 
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