Texas Instruments Home Computer 99/4A
- For more information, see this article's corresponding Wikipedia page: TI-99/4A.
| 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 | 
|
| 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. | 
|
TI-99/4A
| Preliminary Information | |
|---|---|
| Release Year | 1979 |
| Leak Risk | Not Sure |
| Batteries | None |
| Mounting Technology | Through Hole, Sockets |
| Capacitor Types | Aluminum Electrolytic |
| Destructive Entry | No |
Known Issues
Symptom or Problem Encountered
Causes
- Description of cause
Solutions
- Solution to the problem
Disassembly Notes
Warnings or tips to disassemble the device
Original Parts
Power Supply
4A/PS
NO
1049689-2
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C7 | 1 | 0 µF | THT | 6mm | 12mm | Axial | 85 °C | Electrolytic | Nichicon | SE(M) | |
| C8 | 1 | 1000 µF | 25 v | THT | 13mm | 26mm | Axial | 85 °C | Electrolytic | Nichicon | SE(M) |
| C9 | 1 | THT | 22mm | 39mm | Axial | 85 °C | Electrolytic | (M) | |||
| C10 | 1 | 47 µF | 16 v | THT | Axial | Electrolytic | Nichicon | ||||
Basic PCB Name
Note model numbers and board revisions here
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 µF | 0 °C |
Replacement Parts
Basic PCB Name
| 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.
Kits
- Digikey BOM: https://www.digikey.com/