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/Size 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)

Main Board

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

Neck Board

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

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