Tandy CM-11
The Tandy/Radio Shack CM-11 is an Enhanced CGA monitor that supports the Tandy 225 Line modes in addition to the standard CGA resolutions. There are 3 variations of the monitor that can be identified by its Catalog Number: 25-1024, 25-1024A, and 25-1024C. Each variant has a slightly different list of capacitors.
- For more information, see this article's corresponding Wikipedia page: Device.
| Preliminary Information | |
|---|---|
| Leak Risk | Low |
| Batteries | None |
| Destructive Entry | No |
Known Issues
Symptom or Problem Encountered
Causes
Solutions
Disassembly Notes
Original Parts (25-1024 Version)
Original Parts (25-1024A Version)
Original Parts (25-1024C Version)
Main Board
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter | Height | Lead
Spacing |
Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C401 | 1 | 22 µF | 16v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C403 | 1 | 10 µF | 50v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C404 | 1 | 47 µF | 16v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C405, C608 | 2 | 100 µF | 25v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C406 | 1 | 100 µF | 50v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C409, C708 | 2 | 220 µF | 25v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C481 | 1 | 220 µF | 16v | Through Hole | 8mm | 15mm | 5mm | 85 °C | Electrolytic | ||
| C501, C607 | 2 | 10 µF | 16v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C504, C603 | 2 | 1 µF | 50v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C505 | 1 | 100 µF | 16v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C507 | 1 | 33 µF | 16v | Through Hole | 10mm | 15mm | 5mm | 85 °C | Electrolytic | ||
| C510 | 1 | 1000 µF | 35v | Through Hole | 12mm | 25mm | 5mm | 85 °C | Electrolytic | ||
| C512 | 1 | 100 µF | 35v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C515 | 1 | 470 µF | 25v | Through Hole | 10mm | 15mm | 5mm | 85 °C | Electrolytic | ||
| C611 | 1 | 4.7 µF | 50v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C617 | 1 | 47 µF | 160v | Through Hole | 15mm | 25mm | 7.5mm | 85 °C | Electrolytic | ||
| C705 | 1 | 470 µF | 200v | Through Hole | 20mm | 50mm | 5mm | 85 °C | Electrolytic | ||
| C707 | 1 | 47 µF | 50v | Through Hole | 5mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C710 | 1 | 330 µF | 160v | Through Hole | 22mm | 40mm | 10mm | 85 °C | Electrolytic | ||
| C711 | 1 | 100 µF | 160v | Through Hole | 15mm | 35mm | 7.5mm | 85 °C | Electrolytic | ||
| C715 | 1 | 470 µF | 50v | Through Hole | 12mm | 20mm | 5mm | 85 °C | Electrolytic |
Neck Board
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter | Height | Lead
Spacing |
Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C858 | 1 | 22 µF | 160v | Through Hole | 13mm | 20mm | 5mm | 85 °C | Electrolytic | ||
| C860 | 1 | 100 µF | 16v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic | ||
| C861 | 1 | 100 µF | 35v | Through Hole | 7mm | 10mm | 5mm | 85 °C | Electrolytic |
Replacement Parts (25-1024 Version)
Replacement Parts (25-1024A Version)
Replacement Parts (25-1024C Version)
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C401 | 1 | UVZ1C220MDD1TD | Mouser |
| C403, C501, C607 | 3 | EEU-FR1H100B | Mouser |
| C404, C707 | 2 | UPV1H470MGD | Mouser |
| C405, C608 | 2 | EEU-FR1E101B | Mouser |
| C406, C512, C861 | 3 | UPJ1H101MPD6 | Mouser |
| C409, C481, C708 | 3 | UPM1E221MPD6 | Mouser |
| C504, C603 | 2 | ELE-500ELL1R0ME11D | Mouser |
| C505, C860 | 2 | EEU-FR1C101B | Mouser |
| C507 | 1 | ECA-1CM330B | Mouser |
| C510 | 1 | EEU-FR1V102 | Mouser |
| C515 | 1 | UPM1E471MPD | Mouser |
| C611 | 1 | EEU-FR1H4R7B | Mouser |
| C617 | 1 | UCS2D470MHD1TO | Mouser |
| C705 | 1 | LGU2D471MELY | Mouser |
| C710 | 1 | LGU2Z331MELZ | Mouser |
| C711 | 1 | UCS2C101MHD6TN | Mouser |
| C715 | 1 | UPM1H471MHD1TO | Mouser |
| C858 | 1 | ULD2C220MPD1TD | 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.