Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
TROUBLESHOOTING & REPAIR | ||
|
|
ABNORMAL OPEN CIRCUIT VOLTAGE
OUTPUT CAPACITOR BANK NOT FUNCTIONING
SCOPE SETTINGS
This is NOT the typical DC output voltage |
|
|
waveform. The output capacitors are not | Volts/Div | .20 V/Div. |
functioning. Note the lack of “filtering” in the |
|
|
output waveform. The output capacitor | Horizontal Sweep | .5 ms/Div. |
bank was disconnected. Each vertical divi- |
|
|
sion represents 20 volts and each horizontal | Coupling | . . . . .DC. |
division represents 5 milliseconds in time. |
|
|
Note: Scope probes connected at machine | Trigger | . .Internal. |
|
| |
output terminals: (+) probe to electrode, |
|
|
probe to work. |
|
|
|
|
|