T-View 100 » History » Version 3
manawyrm, 02/18/2022 10:45 PM
1 | 1 | manawyrm | h1. T-View 100 |
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3 | 3 | manawyrm | T-View 100 was a video telephone, made by Deutsche Telekom / Siemens. |
4 | 1 | manawyrm | |
5 | 3 | manawyrm | h2. Internals |
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7 | Video/Interfacing PCB: |
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8 | !{width:40%}IMG_3633.JPG! |
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9 | |||
10 | Telephone PCB: |
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11 | !{width:40%}IMG_3644.JPG! |
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13 | Display/Camera PCB: |
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14 | !{width:40%}IMG_3656.JPG! |
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16 | 1 | manawyrm | h2. Common faults |
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18 | - Faulty display hotbar |
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19 | 3 | manawyrm | Symptoms: Missing (pixel) rows / columns on the (24x2) character LCD. |
20 | 1 | manawyrm | |
21 | - Faulty capacitors |
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22 | Symptoms: Crashing, low display contrast, flickering LEDs, poor video quality, mains hum on the speakers |
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25 | 3 | manawyrm | h2. Phone disassembly |
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27 | The bottom cover plate has 6 philips screws and is clipped together at the bottom. Use multiple guitar picks to get them free. |
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28 | 2 | manawyrm | The plastic does not seem to be brittle (yet), some force is OK. |
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30 | 1 | manawyrm | !{width:40%}IMG_3647.JPG! |
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32 | Backside of the main video / interfacing PCB is visible under the cover plate: |
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33 | !{width:40%}IMG_3631.JPG! |
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35 | 3 | manawyrm | Lift the video / interfacing PCB out by pulling it straight up, it's connected via a rigid interface PCB (but not screwed down): |
36 | !{width:40%}IMG_3634.JPG! |
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38 | Unscrew the 7 philips screws attaching the plastic shield. Be careful with the speaker wires on the right, they are not detachable! |
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39 | Lift the plastic shield out of the way to the right. When re-assembling, make sure the hook-mechanism and speaker are correctly in-place. |
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40 | !{width:40%}IMG_3642.JPG! |