Tandy CM-11

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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

Capacitor Specifications and Footprint Information
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

Capacitor Specifications and Footprint Information
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)

Capacitors
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.

Related Links

References