Midiland MLI-190 Speaker: Difference between revisions
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Revision as of 14:33, 13 June 2023
- For more information, see this article's corresponding Wikipedia page: Device.
| This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables | 
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| This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so. | 
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Midland ML-190
| Preliminary Information | |
|---|---|
| Release Year | 2005 |
| Leak Risk | Medium |
| Batteries | None |
| Mounting Technology | Through Hole, SMD, BGA, Sockets |
| Capacitor Types | Aluminum Electrolytic, Tantalum, Ceramic, Polymer |
| Destructive Entry | No |
The Midland ML-190 is a set of computer speakers. My unit had one leaking capacitor.
Known Issues
Symptom or Problem Encountered
Causes
- Buzzing through speakers
Solutions
- Check ESR of all Electrolytic capacitors. Replace all Aluminum Electrolytic Capacitors with audio grade capacitors. Full solution not yet found.
Disassembly Notes
Original Parts
Main Board
Note model numbers and board revisions here
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C3, C13 | 2 | 1000 µF | 10 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC | ||||
| C4. C10, C12 | 3 | 100 µF | 16 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC | ||||
| C5, C6 | 2 | 47 µF | 16 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC | ||||
| C7 | 1 | 22 µF | 10 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC | ||||
| C8, C9, C11 | 3 | 0.22 µF | 50 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC | ||||
| C14 | 1 | 1000 µF | 25 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC | ||||
| C16, C17 | 2 | 0.47 µF | 50 V | Through Hole Radial | 85°C | Aluminum Electrolytic | TREC |
Replacement Parts
Basic PCB Name
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C3, C13 | 2 | UFW1A102MPD1TD | Digikey Mouser |
| C4, C10, C12 | 3 | UFW1C101MDD1TD | DigiKey Mouser |
| C5, C6 | 2 | UKA1C470MDD | DigiKey Mouser |
| C7 | 1 | UKT1A220MDD | DigiKey Mouser |
| C8, C9, C11 | 3 | UFW1HR22MDD1TD | DigiKey |
| C14 | 1 | UFW1E102MPD / UKA1E102MPD | DigiKey |
| C16, C17 | 2 | UFW1HR47MDD1TD / RFS-50VR47ME3#5 | DigiKey Mouser |
If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.
Kits
- Digikey BOM: https://www.digikey.com/