FG502/Repairs: Difference between revisions
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* (Tantalum) Electolytic capacitors, especially on the output transistors. | * (Tantalum) Electolytic capacitors, especially on the output transistors. | ||
* [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/Reparatur%20Tektronix%20FG502-1-com.pdf FG502 repair report @ amplifier.cd] (German) | * [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/Reparatur%20Tektronix%20FG502-1-com.pdf FG502 repair report @ amplifier.cd] (German) | ||
* [[Media:Repair FG502 English.pdf| | * [[Media:Repair FG502 English.pdf|FG502 repair report @ amplifier.cd (English Translation)]] | ||
* [https://www.electronicdesign.com/technologies/test-measurement/article/21137778/the-tektronix-function-generator-teardown The Tektronix Function Generator Teardown] - Paul Rako @ electronicdesign.com | * [https://www.electronicdesign.com/technologies/test-measurement/article/21137778/the-tektronix-function-generator-teardown The Tektronix Function Generator Teardown] - Paul Rako @ electronicdesign.com | ||
* For serial numbers below B050740, some FG502's may not shift Output Frequency 1000:1 with 10 V or less as specified. To correct this problem, change R125 from 10 kΩ to 9.41 kΩ. | * For serial numbers below B050740, some FG502's may not shift Output Frequency 1000:1 with 10 V or less as specified. To correct this problem, change R125 from 10 kΩ to 9.41 kΩ. | ||
Revision as of 10:13, 22 September 2022
- Helitrim potentiometers are prone to failure due to cracking plastic axle.
- (Tantalum) Electolytic capacitors, especially on the output transistors.
- FG502 repair report @ amplifier.cd (German)
- FG502 repair report @ amplifier.cd (English Translation)
- The Tektronix Function Generator Teardown - Paul Rako @ electronicdesign.com
- For serial numbers below B050740, some FG502's may not shift Output Frequency 1000:1 with 10 V or less as specified. To correct this problem, change R125 from 10 kΩ to 9.41 kΩ.