T-View 100 » History » Revision 3
Revision 2 (manawyrm, 02/18/2022 10:38 PM) → Revision 3/51 (manawyrm, 02/18/2022 10:45 PM)
h1. T-View 100 T-View 100 was is a video telephone, telephone made by Deutsche Telekom / Siemens. h2. Internals Video/Interfacing PCB: !{width:40%}IMG_3633.JPG! Telephone PCB: !{width:40%}IMG_3644.JPG! Display/Camera PCB: !{width:40%}IMG_3656.JPG! h2. Common faults - Faulty display hotbar Symptoms: Missing (pixel) rows / columns on the (24x2) character LCD. - Faulty capacitors Symptoms: Crashing, low display contrast, flickering LEDs, poor video quality, mains hum on the speakers h2. Phone disassembly Disassembly The bottom cover plate has 6 philips screws and is clipped together at the bottom. Use multiple guitar picks to get them free. The plastic does not seem to be brittle (yet), some force is OK. !{width:40%}IMG_3647.JPG! Backside of the main video / interfacing PCB is visible under the cover plate: !{width:40%}IMG_3631.JPG! Lift the video / interfacing PCB out by pulling it straight up, it's connected via a rigid interface PCB (but not screwed down): !{width:40%}IMG_3634.JPG! Unscrew the 7 philips screws attaching the plastic shield. Be careful with the speaker wires on the right, they are not detachable! 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. !{width:40%}IMG_3642.JPG!
