5,6,7,8 Circuits not working

[John Ciuffo]

I just put this kit CTB16PC together everything works but Circuits 5 through 8 has no power, What to do?:?

[displaysinmotion_will]

if this is a solder kit you purchased, im going to guess that you may have soldered a resistor network in backwards

[Max-Paul]

I have not set down and looked at what chips are being used. But this is clearly 1/2 of the driver chip that sends out the signals to the opto chips is not working. If the chip uses two +VCC inputs. One of them is not working, maybe a lead to the chip was not soldered in. So, I would check all solder joints. Or maybe the chip is blown.

[LightORamaDan]

There are five - 8 pin resistor networks in the kit. Four of the resistor networks are marked ????471???? and one of them is marked ?????472????.... One of the 471 resistor networks is in the 472 place and the 472 is in the 471 place that handles 5,6,7,8....

Dan

[John Ciuffo]

Thanks everybody I Fixed it, The network Resister was in the wring Place. Again Thanks John

[Max-Paul]

Ah! yes! the resistor networks. Thanks Dan for the cover and save.