Description
Tektronix 221 Service Manual Operating Reference Guide
This is the original service and operating manual for the Tektronix 221 oscilloscope, a classic portable analog test instrument from the mid-20th century. The 221 is a compact, dual-trace oscilloscope widely used in electronics labs, field service, manufacturing, and educational environments for general-purpose signal measurement and analysis. This manual contains the complete technical documentation needed to operate, service, and troubleshoot the instrument.
Specifications & What's Included
- Manufacturer: Tektronix
- Model: 221
- Document Type: Service Manual with Operating Guide and Reference Information
- Format: Printed Hardcopy
- Language: English
- Content: Complete technical documentation, block diagrams, circuit schematics, voltage/resistance tables, adjustment procedures, troubleshooting guide, spare parts list, and operational procedures
- Pages: All present and legible
- Condition: Good used condition with normal shelf wear
Applications
The Tektronix 221 is a foundational instrument in analog oscilloscopy, used extensively from the 1960s through the 1980s and beyond for general-purpose waveform observation, circuit troubleshooting, and signal analysis. Service technicians, field engineers, educators, and electronics hobbyists relied on this portable dual-trace scope for bench and field work. This service manual is essential for anyone maintaining, repairing, or restoring a Tektronix 221, providing complete schematic information, calibration procedures, component identification, and troubleshooting logic. The manual also serves as a reference for operators seeking detailed specifications and operational guidance. Vintage test equipment enthusiasts and collectors also value complete original documentation for preservation and historical reference.
This Tektronix 221 Service Manual and Operating Guide is in good used condition. The manual is complete with all pages present and legible. It shows normal shelf wear consistent with age and handling, including minor creasing and light spotting on the cover and edges. All technical information, schematics, and operational procedures remain clear and readable. This is the essential service and operating documentation for the classic Tektronix 221 oscilloscope, covering specifications, block diagrams, circuit schematics, adjustment procedures, troubleshooting, and operational guidance. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Tektronix |
Model: |
221 |
Type: |
Service Manual & Operating Guide |
For Make/Model: |
Tektronix 221 Oscilloscope |
Document Type: |
Service Manual, Operating Guide, Reference Manual |
Format: |
Printed Hardcopy |
Language: |
English |
SKU: |
37549 |
Condition: |
Used |
Country/Region of Manufacture: |
United States |
Review Status: |
Auto-Approved (needs review) 2026-07-09 |
Condition Notes: |
Tektronix 221 Service Manual in good used condition. All pages present and legible with normal shelf wear. Complete technical documentation and schematics included. |