7844/Repairs: Difference between revisions
Jump to navigation
Jump to search
(Created page with "==Power supply== :'''Symptom:''' blows primary fuse :'''Root cause: Transistors Q1234 and Q1241 shorted, resonance coil core cracked, resonance capacitor faulty :'''Solution:...") |
No edit summary |
||
| (3 intermediate revisions by the same user not shown) | |||
| Line 4: | Line 4: | ||
:'''Root cause: Transistors Q1234 and Q1241 shorted, resonance coil core cracked, resonance capacitor faulty | :'''Root cause: Transistors Q1234 and Q1241 shorted, resonance coil core cracked, resonance capacitor faulty | ||
:'''Solution:''' See [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_mainframe/rep-und-kal/7844_reparatur_engl.html 7844 repair page @ amplifier.cd] | :'''Solution:''' See [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_mainframe/rep-und-kal/7844_reparatur_engl.html 7844 repair page @ amplifier.cd] | ||
[[Category:Instrument repair reports]] | |||
Latest revision as of 03:55, 16 August 2021
Power supply
- Symptom: blows primary fuse
- Root cause: Transistors Q1234 and Q1241 shorted, resonance coil core cracked, resonance capacitor faulty
- Solution: See 7844 repair page @ amplifier.cd