File:Main PCB.jpg
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Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 2,560 × 1,920 pixels | 3,648 × 2,736 pixels.
Original file (3,648 × 2,736 pixels, file size: 4.24 MB, MIME type: image/jpeg)
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Summary[edit]
| Description |
English: The main PCB which mounts on the bottom of the chassis. The bias/erase oscillator transformer (centre) and relay bracket (bottom left) are unscrewed so I can investigate the wiring.
On the right are the D-series plugs to connect to the main chassis. The transistor numbers on the PCB have been assigned to help the repairer (!) : TR1-3 : Announcement Playback Amplifier TR2x : Message Recording Amplifier TR5x : Bias/Erase Oscillator TR6x : Ring Detector TR8x : Announcement Start TR10x : End of Announcement TR12x : End of Message TR14x : Message Playback Amplifier |
| Date | |
| Source | https://www.flickr.com/photos/43851301@N02/9831895396/ |
| Author | tony_duell |
Licensing[edit]
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- You are free:
- to share – to copy, distribute and transmit the work
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by tony_duell at https://flickr.com/photos/43851301@N02/9831895396 (archive). It was reviewed on 27 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:01, 27 December 2019 | | 3,648 × 2,736 (4.24 MB) | Ser Amantio di Nicolao (talk | contribs) | User created page with UploadWizard |
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