Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
TROUBLESHOOTING AND REPAIR |
ABNORMAL OUTPUT VOLTAGE WAVEFORM - MACHINE
LOADED (MAX TAP “G”)
ONE OUTPUT DIODE NOT FUNCTIONING
0 Volts
20.0 V | 5 ms |
MACHINE LOADED TO 180 AMPS AT 16 VDC
SCOPE SETTINGS
This is NOT a typical DC output voltage |
|
| |
waveform. One output diode is not func- | Volts/Div | 20V/Div | |
tioning. Note the increased ripple con- |
|
| |
tent. One diode was disconnected to | Horizontal Sweep | 5 ms/Div | |
simulate an open or |
|
| |
put diode. Each vertical division repre- | Coupling | DC | |
sents 20 volts and each horizontal divi- |
|
| |
sion represents 5 milliseconds in time. | Trigger | Internal | |
The machine was loaded with a resis- |
|
| |
tance grid bank. |
|
|
|
NOTE: Scope probes | connected at |
|
|
machine output | terminals: (+) |
|
|
probe to electrode, |
|
| |
work. |
|
|
|
|
|
|
|
