Difference between revisions of "Repair"
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==List== | ==List== | ||
* https://www.eevblog.com/forum/repair/keithley-195-stopped-working-after-a-lightning-strike-near-my-house/ | * https://www.eevblog.com/forum/repair/keithley-195-stopped-working-after-a-lightning-strike-near-my-house/ | ||
| + | * https://www.eevblog.com/forum/repair/fluke-876b-dead-no-internal-clock-any-advice - Failed oscillator. Was replaced with adapter board. | ||
| + | * https://www.youtube.com/playlist?list=PLqPERNqo_7YDQG0k54kk9LO84kEko7mEV - Signal Path Repair Playlist | ||
| + | * https://www.eevblog.com/forum/repair/please-help!-tannoy-precision-8d-dead/ - Amplifier repair (has a link to badcaps wiki with a full repair). | ||
| + | * https://www.eevblog.com/forum/repair/mig-welder-wire-feeder-controller-board-not-working/ - welding wirefeeder board, with schematic and layout (tools) | ||
| + | * https://www.eevblog.com/forum/repair/motherboard-has-no-power-clevo-w650sc/ - apply high amperage 1v to VIN and check with a thermal camera or IPA (99%). I need a high amperage low voltage source. | ||
| + | * https://www.eevblog.com/forum/repair/repairing-traces-on-a-circuit-pcb/ - trace as a fusible link. I don't think I would ever do this. | ||
| + | * https://www.eevblog.com/forum/beginners/snap-on-automotive-scan-tool-system-date-not-set-in-flash-memory/25/ rookie manages to read and program a ds1371 rtc which is on a snapon automotive reader to get the tool working again. from original cost: a $3000 value. | ||
| + | * https://www.eevblog.com/forum/repair/another-metrahit-pro-with-leaked-batteries-repair-attempt/ - battery leakage repair attempt on a gossen metrawatt | ||
| + | * https://www.eevblog.com/forum/repair/ps3-slim-(cech-3003a)-turns-off-completely-immediately-after-turning-on/ - ps3 consoles are best served by the psx-place forum with regards to repairs. | ||
| + | * https://www.eevblog.com/forum/repair/power-supply-ripple-on-ua723-based-circuit/ - Signal gen repair. I need to read through this. | ||
| + | * https://www.eevblog.com/forum/repair/help-finding-an-similicar-ic-to-repair-old-panasonic-camcorder/ -Someone shorts an ic during a capacitor repair. I'm starting to think you could use something like a manual pick and place to do repairs to avoid shorts. It is common. Hands are not trustworthy. discussion of compatible parts for a transistor and diode array. | ||
| + | * https://www.eevblog.com/forum/repair/repairing-faulty-ikea-norrfly-led-light/msg5773905/ IKEA led light. Reset circuit for the micro has failed in some way | ||
| + | * Using a resistor as a current sensing shunt, by monitoring the voltage. 15:44, diodegonewild, tesla bm368 HF generator restoration. He uses this technique a number of times. This is just one example. | ||
| + | ==Professional PCB Repair== | ||
| + | If you are serious about PCB Repair, you can make an occupation out of it. For example, see these folks: https://www.circuitrework.com/ | ||
| + | Not to mention youtube channels such as Learn Electronics Repair. | ||
| + | |||
| + | ===Conductive Epoxy Application and then Remilling Boards=== | ||
| + | This is a way to reuse double sided PCBs, by applying conductive epoxy over and then milling new traces. See: https://hackaday.com/2025/05/04/pcb-renewal-aims-to-make-old-boards-useful-again/ and https://smartlab.cs.umd.edu/assets/pdf/pcbrenewal.pdf See also [[Solder]] | ||
| + | |||
| + | ==External Resources== | ||
| + | * https://caps.wiki/wiki/Special:AllPages - Aims to document repairing electronics. Open wiki. Still in an early stage, not a lot of pages yet. A little dry, but some interesting resources such as: https://caps.wiki/wiki/Capacitor_Cross_Reference_Tools https://caps.wiki/wiki/Capacitor_Brands | ||
[[Category:online notes]] | [[Category:online notes]] | ||
Latest revision as of 12:19, 20 September 2025
Repair Golf.
List
- https://www.eevblog.com/forum/repair/keithley-195-stopped-working-after-a-lightning-strike-near-my-house/
- https://www.eevblog.com/forum/repair/fluke-876b-dead-no-internal-clock-any-advice - Failed oscillator. Was replaced with adapter board.
- https://www.youtube.com/playlist?list=PLqPERNqo_7YDQG0k54kk9LO84kEko7mEV - Signal Path Repair Playlist
- https://www.eevblog.com/forum/repair/please-help!-tannoy-precision-8d-dead/ - Amplifier repair (has a link to badcaps wiki with a full repair).
- https://www.eevblog.com/forum/repair/mig-welder-wire-feeder-controller-board-not-working/ - welding wirefeeder board, with schematic and layout (tools)
- https://www.eevblog.com/forum/repair/motherboard-has-no-power-clevo-w650sc/ - apply high amperage 1v to VIN and check with a thermal camera or IPA (99%). I need a high amperage low voltage source.
- https://www.eevblog.com/forum/repair/repairing-traces-on-a-circuit-pcb/ - trace as a fusible link. I don't think I would ever do this.
- https://www.eevblog.com/forum/beginners/snap-on-automotive-scan-tool-system-date-not-set-in-flash-memory/25/ rookie manages to read and program a ds1371 rtc which is on a snapon automotive reader to get the tool working again. from original cost: a $3000 value.
- https://www.eevblog.com/forum/repair/another-metrahit-pro-with-leaked-batteries-repair-attempt/ - battery leakage repair attempt on a gossen metrawatt
- https://www.eevblog.com/forum/repair/ps3-slim-(cech-3003a)-turns-off-completely-immediately-after-turning-on/ - ps3 consoles are best served by the psx-place forum with regards to repairs.
- https://www.eevblog.com/forum/repair/power-supply-ripple-on-ua723-based-circuit/ - Signal gen repair. I need to read through this.
- https://www.eevblog.com/forum/repair/help-finding-an-similicar-ic-to-repair-old-panasonic-camcorder/ -Someone shorts an ic during a capacitor repair. I'm starting to think you could use something like a manual pick and place to do repairs to avoid shorts. It is common. Hands are not trustworthy. discussion of compatible parts for a transistor and diode array.
- https://www.eevblog.com/forum/repair/repairing-faulty-ikea-norrfly-led-light/msg5773905/ IKEA led light. Reset circuit for the micro has failed in some way
- Using a resistor as a current sensing shunt, by monitoring the voltage. 15:44, diodegonewild, tesla bm368 HF generator restoration. He uses this technique a number of times. This is just one example.
Professional PCB Repair
If you are serious about PCB Repair, you can make an occupation out of it. For example, see these folks: https://www.circuitrework.com/ Not to mention youtube channels such as Learn Electronics Repair.
Conductive Epoxy Application and then Remilling Boards
This is a way to reuse double sided PCBs, by applying conductive epoxy over and then milling new traces. See: https://hackaday.com/2025/05/04/pcb-renewal-aims-to-make-old-boards-useful-again/ and https://smartlab.cs.umd.edu/assets/pdf/pcbrenewal.pdf See also Solder
External Resources
- https://caps.wiki/wiki/Special:AllPages - Aims to document repairing electronics. Open wiki. Still in an early stage, not a lot of pages yet. A little dry, but some interesting resources such as: https://caps.wiki/wiki/Capacitor_Cross_Reference_Tools https://caps.wiki/wiki/Capacitor_Brands
