7844/Repairs: Difference between revisions
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(Created page with "==Power supply== :'''Symptom:''' blows primary fuse :'''Root cause: Transistors Q1234 and Q1241 shorted, resonance coil core cracked, resonance capacitor faulty :'''Solution:...") |
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:'''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]] | |||
Revision as of 04:05, 6 May 2019
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