DC503/Repairs: Difference between revisions
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(Created page with "==Repair Issues== * If no LED or display segment is lit after trun on, check for +15 V from U500 Voltage regulator IC type 723. * All ICs are placed in IC sockets. Contact pr...") |
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Revision as of 09:57, 26 January 2023
Repair Issues
- If no LED or display segment is lit after trun on, check for +15 V from U500 Voltage regulator IC type 723.
- All ICs are placed in IC sockets. Contact problems can occur. Removing and inserting ICs helps.
- Check board is mounted to frame with plastic washers in between near pcb conductor tracks, otherwise a short to GND can occur.