Midiland MLI-190 Speaker
Jump to navigation
Jump to search
- For more information, see this article's corresponding Wikipedia page: Device.
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 and an open 0.22uF 50V capacitor (measured 0uF).
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 / R82DC3220Z360J | DigiKey Mouser |
| C14 | 1 | UFW1E102MPD / UKA1E102MPD | DigiKey Mouser |
| 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/