schematic says this for c6:
cds-104ccda
.1uf
i beleive its this:
CDS-104CCDA
.1UF 50 VOLT 20% Z5U 0805
cds-104ccda
.1uf
i beleive its this:
CDS-104CCDA
.1UF 50 VOLT 20% Z5U 0805
Last edited:
It's a ceramic cap.
Any component connected to the 5v reference could be the defective component. Do you have a variable power supply (something that will go to 0v)?
Any component connected to the 5v reference could be the defective component. Do you have a variable power supply (something that will go to 0v)?
Do you have three AA, C or D-cell batteries (preferably rechargeables) that you could connect in series and use as a power source?
i have batteries, now i would have to make a battery pack. i am assuming i need a 5 volt source.
but my batteries aren't rechargeable.
but my batteries aren't rechargeable.
i have also a rechargeable dry cell battery. i have been charging it for a few hours. its a 12volt battery, but right now is only charged up to 5 volts.
also i have found an oscilloscope for sale locally. its a tektronix 7603. is this worth buying for around 100 $?
also i have found an oscilloscope for sale locally. its a tektronix 7603. is this worth buying for around 100 $?
The 7603 is most definitely worth $100 if it's in good working order and has a full bay of plug-ins. Without the plug-ins, it's useless and they are commonly sold without them.
There are several ways to try to find the defective component. The simplest way would be to apply voltage to the board (between pad 18 and ground) and look for component that is heating up slightly. Sometimes nothing heats up enough to feel the difference in temperature so freezing spray must be used. The component that defrosts the quickest is likely the one that's defective. If that doesn't work, you can measure the voltage along lengths of traces to see where current is flowing.
If you use something larger than AA batteries, you need to insert a 1 amp fuse in series with the power source to prevent damaging the board.
There are several ways to try to find the defective component. The simplest way would be to apply voltage to the board (between pad 18 and ground) and look for component that is heating up slightly. Sometimes nothing heats up enough to feel the difference in temperature so freezing spray must be used. The component that defrosts the quickest is likely the one that's defective. If that doesn't work, you can measure the voltage along lengths of traces to see where current is flowing.
If you use something larger than AA batteries, you need to insert a 1 amp fuse in series with the power source to prevent damaging the board.
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