T-View 100 » History » Version 18
laforge, 03/11/2022 04:30 PM
mention V24-control.pdf
1 | 1 | manawyrm | h1. T-View 100 |
---|---|---|---|
2 | |||
3 | 3 | manawyrm | T-View 100 was a video telephone, made by Deutsche Telekom / Siemens. |
4 | 1 | manawyrm | |
5 | 6 | manawyrm | @manawyrm has two of these phones, @LaForge owns one as well. |
6 | |||
7 | 5 | manawyrm | h2. External photos |
8 | 9 | manawyrm | !{width:40%}DSC00422.jpg! !{width:40%}DSC00423.jpg! |
9 | 5 | manawyrm | |
10 | Power supply is called STN20, output DC 22.5V; 0.9A. Center positive, 5.5/2.5mm barrel jack. |
||
11 | The RCA connectors are (from left to right): Audio out, Video out, Video in, Audio in |
||
12 | 10 | manawyrm | |
13 | h3. Mini-DIN / RS232 |
||
14 | |||
15 | The Mini-DIN (8pin) connector carries a RS232 serial. It was used to connect to auxiliary devices like relay control boxes (to alert blind people of calls), VCRs (remote control) and PCs (for firmware updates). |
||
16 | 13 | manawyrm | We have a copy of the 1.2 firmware update and the RS232 communication protocol. |
17 | 10 | manawyrm | |
18 | RS232 pinout is given _without_ Null-Modem reversal (aka it's meant to be a male connector), reverse RXD/TXD and RTS/CTS for a female connector. |
||
19 | 12 | manawyrm | Serial settings (for debug output) seems to be 19200, 8n2. |
20 | 10 | manawyrm | |_.Mini-DIN|_.RS232|_.RS232 Pin| |
21 | | 1 | NC | - | |
||
22 | | 2 | TXD | 3 | |
||
23 | | 3 | RXD | 2 | |
||
24 | | 4 | RTS | 7 | |
||
25 | | 5 | CTS | 8 | |
||
26 | | 6 | NC | - | |
||
27 | | 7 | GND | 5 | |
||
28 | | 8 | NC | - | |
||
29 | 5 | manawyrm | |
30 | 18 | laforge | The framing and at least some commands are described in attachment:V24-Control.pdf |
31 | |||
32 | 14 | manawyrm | h3. Service menu |
33 | 15 | manawyrm | |
34 | 14 | manawyrm | There is a hidden service menu. Scroll to "Service", press OK, type the number 7. |
35 | Enter passcode "3570" and press OK. |
||
36 | |||
37 | 5 | manawyrm | h2. Internal photos |
38 | 3 | manawyrm | |
39 | Video/Interfacing PCB: |
||
40 | !{width:40%}IMG_3633.JPG! |
||
41 | |||
42 | Telephone PCB: |
||
43 | !{width:40%}IMG_3644.JPG! |
||
44 | |||
45 | Display/Camera PCB: |
||
46 | !{width:40%}IMG_3656.JPG! |
||
47 | |||
48 | h2. Phone disassembly |
||
49 | 1 | manawyrm | |
50 | 6 | manawyrm | The bottom cover plate has 6 Phillips screws and is clipped together at the bottom. Use multiple guitar picks to get them free. |
51 | 2 | manawyrm | The plastic does not seem to be brittle (yet), some force is OK. |
52 | |||
53 | 1 | manawyrm | !{width:40%}IMG_3647.JPG! |
54 | |||
55 | Backside of the main video / interfacing PCB is visible under the cover plate: |
||
56 | !{width:40%}IMG_3631.JPG! |
||
57 | |||
58 | 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): |
59 | 1 | manawyrm | !{width:40%}IMG_3634.JPG! |
60 | 3 | manawyrm | |
61 | 6 | manawyrm | Unscrew the 7 Phillips screws attaching the plastic shield. Be careful with the speaker wires on the right, they are not detachable! |
62 | 3 | manawyrm | 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. |
63 | !{width:40%}IMG_3642.JPG! |
||
64 | 4 | manawyrm | |
65 | h2. Display/camera disassembly |
||
66 | |||
67 | Disassembling the display/camera unit is a bit tricky. You'll need a 10mm socket (and possibly socket extension)! |
||
68 | |||
69 | Start by removing the 4 screws on the connector: |
||
70 | !{width:40%}IMG_3650.JPG! |
||
71 | |||
72 | then remove the 3 screws in the top of the unit. |
||
73 | The sides of the display/camera unit are covered with round covers. They can be pulled out with a bit of force. |
||
74 | !{width:40%}IMG_3652.JPG! |
||
75 | |||
76 | 1 | manawyrm | Use a 10mm socket to unscrew the nuts on both sides. |
77 | Lift the connector cover. This is tricky! Please fill in a good way to do this. The author broke 2 plastic clips by doing it: |
||
78 | !{width:40%}IMG_3653.JPG! |
||
79 | |||
80 | Remove both bolts (and the washers). The swivel piece can now be bent inwards slightly with a bit of force to get it out. |
||
81 | !{width:40%}IMG_3654.JPG! |
||
82 | Unscrew the 2 remaining screws holding the display unit together. |
||
83 | |||
84 | There are clips all around the display/camera unit. Use guitar picks again and open the display. |
||
85 | 7 | manawyrm | |
86 | h2. Common faults |
||
87 | |||
88 | - Faulty display hotbar |
||
89 | Symptoms: Missing (pixel) rows / columns on the (24x2) character LCD. |
||
90 | Fix: Try and reheat the hotbar (~180°C) with a clean soldering iron tip and a lot of pressure |
||
91 | |||
92 | Symptoms: Garbled characters/stuck bit |
||
93 | Fix: HD44780 interface is connected via Hotbar as well. |
||
94 | Find out which bits (D0-D7) are affected and solder wires for those bits directly to the LCD |
||
95 | !{width:40%}IMG_3779.JPG! |
||
96 | 17 | manawyrm | !{width:40%}Bildschirmfoto%202022-03-11%20um%2013.07.27.png! |
97 | 7 | manawyrm | |
98 | 16 | manawyrm | - Faulty display hotbar |
99 | Symptoms: No LCD output at all |
||
100 | Fix: Buy a new LCD. You'll need one with HD44780 ROM code A00 charset (the Japanese/Kana charset). The 0xE1 character should be "ä" (a with Umlauts). |
||
101 | |||
102 | 7 | manawyrm | - Faulty capacitors |
103 | Symptoms: Crashing, low display contrast, flickering LEDs, poor video quality, mains hum on the speakers |
||
104 | Fix: Replace all electrolytic capacitors |
||
105 | |||
106 | 8 | manawyrm | Remove the old caps using the "Twist method":https://www.youtube.com/watch?v=-1S3F6_g3Sw |
107 | |||
108 | 7 | manawyrm | |_.Capacity|_.Voltage|_.Count|_.Width x Height (mm)|_.Replacement part| |
109 | |220µF|35V|8|10.31x10.31|Nichicon UCL1V221MCL6GS| |
||
110 | |470µF|16V|2|10.31x10.31|Nichicon UCX1C471MCL1GS| |
||
111 | |47µF|35V|6|8.28x8.28|Nichicon UUE1V470MNS1GS| |
||
112 | |220µF|10V|1|8.28x8.28|Nichicon UWG1A221MNL1GS| |
||
113 | |47µF|16V|3|6.60x6.60|Nichicon UCB1C470MCL1GS| |
||
114 | |100µF|10V|1|6.60x6.60|Nichicon UUT1A101MCL1GS| |
||
115 | |2.2µF|35V|2|3.33x3.33|Nichicon UWJ1H2R2MCL1GB| |
||
116 | |10µF|16V|1|3.33x3.33|Nichicon UUT1C100MCL1GS| |
||
117 | 8 | manawyrm | |
118 | - Bad connections |
||
119 | Symptoms: Phone working, no picture, no backlight |
||
120 | Fix: Replug the display assembly a couple of times |
||
121 | 7 | manawyrm | |
122 | - ??? |
||
123 | Symptoms: Nothing, black screen, no LEDs, ~500mA current draw |
||
124 | 1 | manawyrm | Fix: ??? |
125 | 11 | manawyrm | |
126 | h2. Bootlog (RS232 Debug) |
||
127 | |||
128 | <pre> |
||
129 | LOut: Header: 1000101, Function: 2a P1: 00000000 P2: 00000000 P3: 00000000 |
||
130 | 7In : Header: 1000101, Function: 2a P1: 0 P2: 0 P3: 0 |
||
131 | 'Process BC - version 0.16 - 26/08/98 |
||
132 | VCP ALERT : 0xff, 0x0 |
||
133 | Send SRAM_NOT_OK to Bruno |
||
134 | VC_uv_Test_conf |
||
135 | -VC Process: Version 26.08.1998 for TST4025 |
||
136 | VCP ALERT : 0x0, 0x0 |
||
137 | Send SRAM_OK to Bruno |
||
138 | VC_uv_Test_conf |
||
139 | TM process initialized |
||
140 | 20 |
||
141 | VCP ALERT : 0x3, 0x13 |
||
142 | VCP ALERT : 0x3, 0x12 |
||
143 | VCP ALERT : 0x4, 0x1 |
||
144 | VC_vb_h221_running_noty |
||
145 | VCP ALERT : 0x3, 0x2 |
||
146 | DIn : Header: 2000100, Function: 7 P1: 5000000 P2: 11 P3: da323200 |
||
147 | KOut: Header: 1010200, Function: 2 P1: 04fff800 P2: 00000000 P3: 00000000 |
||
148 | GIn : Header: 2000100, Function: 3 P1: fff80000 P2: 4025 P3: f8000000 |
||
149 | LOut: Header: 1010900, Function: ac P1: 00004025 P2: 00100022 P3: 00000000 |
||
150 | $FT$:onhook audio$ |
||
151 | $FT$:onhook audio$ |
||
152 | LIn : Header: 9010101, Function: a4 P1: 40465424 P2: 3a6f6e68 P3: 6f6f6b00 |
||
153 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 04000000 P3: ff000000 |
||
154 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 08000000 P3: ff000000 |
||
155 | KOut: Header: 1010200, Function: 0 P1: 0400000f P2: 0c000000 P3: 00000000 |
||
156 | KOut: Header: 1010200, Function: 0 P1: 0400000a P2: bc000000 P3: 00000000 |
||
157 | KOut: Header: 1010200, Function: 0 P1: 0400000a P2: 98000000 P3: 05000000 |
||
158 | KOut: Header: 1010200, Function: 0 P1: 0400000a P2: 90000000 P3: 00000000 |
||
159 | KOut: Header: 1010200, Function: 0 P1: 0400000f P2: 08000000 P3: 00000000 |
||
160 | %Out: Header: 1010200, Function: 1 |
||
161 | JIn : Header: 9010101, Function: a6 P1: c04124 P2: 3a6f6e68 P3: 6f6f6b00 |
||
162 | KOut: Header: 1010200, Function: c P1: 0000000f P2: 08000000 P3: 00000000 |
||
163 | LIn : Header: 9010101, Function: a1 P1: ff014124 P2: 3a6f6e68 P3: 6f6f6b00 |
||
164 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 08000000 P3: ff000000 |
||
165 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 0c000000 P3: 10000000 |
||
166 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 18000000 P3: 0b000000 |
||
167 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 20000000 P3: 08000000 |
||
168 | KOut: Header: 1010200, Function: 0 P1: 04000036 P2: 14000000 P3: 0d000000 |
||
169 | LIn : Header: 9010101, Function: a7 P1: ff014124 P2: 3a6f6e68 P3: 6f6f6b00 |
||
170 | KOut: Header: 1010200, Function: d P1 |
||
171 | VC_v |
||
172 | $FT$:User Interface Ready$ |
||
173 | $FT$:onhook audio$ |
||
174 | $FT$:offhook audio$ |
||
175 | $FT$:onhook audio$ |
||
176 | $FT$:onhook audio$ |
||
177 | $FT$:onhook audio$ |
||
178 | $FT$:alerting video$ |
||
179 | IIn : Header: 9010101, Function: a6 P1: 15424 P2: 3a616c65 P3: 72746900 |
||
180 | KOut: Header: 1010200, Function: c P1: 00000036 P2: 14000000 P3: 0d000000 |
||
181 | $FT$:pin authorized$ |
||
182 | CIn : Header: 9010101, Function: a3 P1: 30026 P2: 700000 P3: 8200 |
||
183 | %Out: Header: 1010200, Function: 1 |
||
184 | $FT$:offhook video$ |
||
185 | LIn : Header: 7020100, Function: 23 P1: 40015424 P2: 3a6f6666 P3: 686f6f00 |
||
186 | %Out: Header: 1010200, Function: 1 |
||
187 | %Out: Header: 1010200, Function: 1 |
||
188 | KOut: Header: 1010200, Function: 0 P1: 0400004b P2: 5c000000 P3: 01000000 |
||
189 | LOut: Header: 1010101, Function: e0 P1: 00000001 P2: 00002904 P3: 00000000 |
||
190 | KOut: Header: 1010200, Function: 0 P1: 0400001a P2: 60000000 P3: 00000000 |
||
191 | LOut: Header: 1010101, Function: e2 P1: 00000001 P2: 00007530 P3: 00000000 |
||
192 | VCP ALERT : 0x4, 0x3 |
||
193 | VC_vb_h221_frame_found_noty |
||
194 | DIn : Header: 2000100, Function: 9 P1: 5000000 P2: 11 P3: da323200 |
||
195 | KOut: Header: 1010200, Function: 0 P1: 0400006e P2: d4800000 P3: 00000000 |
||
196 | KOut: Header: 1010200, Function: 0 P1: 0400006e P2: a8000000 P3: 00000000 |
||
197 | %Out: Header: 1010200, Function: 4 |
||
198 | VC_bv_getarray_req |
||
199 | Address: 0x4b24 |
||
200 | AIn : Header: 2000100, Function: 5 P1: 20000 P2: 4b240000 P3: b |
||
201 | VCP ALERT : 0x5, 0x1 |
||
202 | VC_vb_h242_caps_rcvd_noty |
||
203 | DIn : Header: 2000100, Function: a P1: 5000000 P2: 11 P3: da32340b |
||
204 | %Out: Header: 1010200, Function: 4 |
||
205 | VC_bv_getarray_req |
||
206 | Address: 0x544c |
||
207 | Caps read: 30026 |
||
208 | Caps read: 80700000 |
||
209 | Caps read: 0 |
||
210 | EIn : Header: 2000100, Function: 5 P1: 30000 P2: 544c0004 P3: 30026 |
||
211 | VCP ALERT : 0x5, 0xc |
||
212 | VCP ALERT : 0x5, 0x1 |
||
213 | VC_vb_h242_caps_rcvd_noty |
||
214 | DIn : Header: 2000100, Function: a P1: 5000000 P2: 11 P3: da323426 |
||
215 | %Out: Header: 1010200, Function: 4 |
||
216 | VC_bv_getarray_req |
||
217 | Address: 0x544c |
||
218 | Caps read: 30026 |
||
219 | Caps read: 80700000 |
||
220 | Caps read: 8280 |
||
221 | EIn : Header: 2000100, Function: 5 P1: 30000 P2: 544c0004 P3: 30026 |
||
222 | VCP ALERT : 0x5, 0x2 |
||
223 | VC_vb_h242_caps_end_seqa_noty |
||
224 | DIn : Header: 2000100, Function: b P1: 5000000 P2: 11 P3: da323426 |
||
225 | %Out: Header: 1010200, Function: 4 |
||
226 | VC_bv_getarray_req |
||
227 | Address: 0x54b0 |
||
228 | Caps read: 30026 |
||
229 | Caps read: 80700000 |
||
230 | Caps read: 8280 |
||
231 | EIn : Header: 2000100, Function: 5 P1: 30000 P2: 54b00004 P3: 30026 |
||
232 | LOut: Header: 1010900, Function: ab P1: 00030026 P2: 80700000 P3: 00008280 |
||
233 | LOut: Header: 1010900, Function: ab P1: 00030026 P2: 80700000 P3: 00008280 |
||
234 | KIn : Header: 9010101, Function: a2 P1: 1015424 P2: 3a6f6666 P3: 686f6f26 |
||
235 | %Out: Header: 1010200, Function: 4 |
||
236 | %Out: Header: 1010200, Function: 4 |
||
237 | KOut: Header: 1010200, Function: 2 P1: 0400001b P2: 5c700000 P3: 00008280 |
||
238 | KOut: Header: 1010200, Function: 2 P1: 0400001b P2: 68700000 P3: 00008280 |
||
239 | KIn : Header: 9010101, Function: a2 P1: 1015424 P2: 3a6f6666 P3: 686f6f26 |
||
240 | %Out: Header: 1010200, Function: 4 |
||
241 | Send C_NOWAIT not ok |
||
242 | %Out: Header: 1010200, Function: 4 |
||
243 | KOut: Header |
||
244 | VC_bv_ge |
||
245 | HIn : |
||
246 | HIn |
||
247 | 9In : Hea |
||
248 | LIn : Header: 7020100, Function: 23 P1: 40025424 P2: 3a6f6666 P3: 686f6f00 |
||
249 | %Out: Header: 1010200, Function: 1 |
||
250 | %Out: Header: 1010200, Function: 1 |
||
251 | KOut: Header: 1010200, Function: 0 P1: 0400004b P2: 5c000000 P3: 01008280 |
||
252 | %Out: Header: 1010200, Function: 4 |
||
253 | LOut: Header: 1010101, Function: e0 P1: 00000002 P2: 00002710 P3: 00000000 |
||
254 | VC_bv_getarray_req |
||
255 | VCP ALERT : 0x4, 0x3 |
||
256 | VC_vb_h221_frame_found_noty |
||
257 | DIn : Header: 2000100, Function: 9 P1: 5000000 P2: 11 P3: da32320b |
||
258 | %Out: Header: 1010200, Function: 4 |
||
259 | %Out: Header: 1010200, Function: 4 |
||
260 | KOut: Header: 1010200, Function: 2 P1: 0400001b P2: 5c000000 P3: 01008280 |
||
261 | KOut: Header: 1010200, Function: 2 P1: 0400001b P2: 68000000 P3: 01008280 |
||
262 | VC_bv_getarray_req |
||
263 | Address: 0x544c |
||
264 | Caps read: 20000000 |
||
265 | Caps read: 1 |
||
266 | Caps read: 10200084 |
||
267 | VC_bv_getarray_req |
||
268 | Address: 0x53e8 |
||
269 | Caps read: 20000000 |
||
270 | Caps read: 1 |
||
271 | Caps read: 10200084 |
||
272 | HIn : Header: 2000100, Function: 5 P1: 30000 P2: 544c0000 P3: 20000000 |
||
273 | HIn : Header: 2 |
||
274 | VCP ALERT : 0x3, 0x1 |
||
275 | VCP ALERT : 0x3, 0xa |
||
276 | VCP ALERT : 0x3, 0x14 |
||
277 | :In : Header: 1010101, Function: e2 P1: 1 P2: 7530 P3: 0 |
||
278 | KOut: Header: 1010200, Function: 0 P1: 0400001a P2: 60000000 P3: 01008280 |
||
279 | $FT$:onhook video$ |
||
280 | LIn : Header: 7020100, Function: 22 P1: 24465424 P2: 3a6f6e68 P3: 6f6f6b00 |
||
281 | KOut: Header: 1010200, Function: 0 P1: 0400000a P2: 84000000 P3: 01008280 |
||
282 | LOut: Header: 1010101, Function: e1 P1: 00000001 P2: 00000708 P3: 00000000 |
||
283 | KOut: Header: 1010200, Function: 2 P1: 0400000a P2: 84000000 P3: 01008280 |
||
284 | 8In : Header: 2000100, Function: 3 P1: a84 P2: 1 P3: 0 |
||
285 | KOut: Header: 1010200, Function: 2 P1: 0400000a P2: 84000000 P3: 01008280 |
||
286 | 8In : Header: 2000100, Function: 3 P1: a84 P2: 1 P3: 0 |
||
287 | KOut: Header: 1010200, Function: 2 P1: 0400000a P2: 84000000 P3: 01008280 |
||
288 | 8In : Header: 2000100, Function: 3 P1: a84 P2: 1 P3: 0 |
||
289 | KOut: Header: 1010200, Function: 2 P1: 0400000a P2: 84000000 P3: 01008280 |
||
290 | 8In : Header: 2000100, Function: 3 P1: a84 P2: 1 P3: 0 |
||
291 | KOut: Header: 1010200, Function: 2 P1: 0400000a P2: 84000000 P3: 01008280 |
||
292 | 8In : Header: 2000100, Function: 3 P1: a84 P2: 1 P3: 0 |
||
293 | KOut: Header: 1010200, Function: 2 P1: 0400000a P2: 84000000 P3: 01008280 |
||
294 | 8In : Header: 2000100, Function: 3 |
||
295 | 8In |
||
296 | 8In : |
||
297 | 8In : |
||
298 | 8In |
||
299 | 8In : |
||
300 | 8In |
||
301 | 8In : |
||
302 | 8In |
||
303 | 8In : |
||
304 | VCP ALERT : 0x5, 0x1 |
||
305 | VC_vb_h242_caps_rcvd_noty |
||
306 | DIn : Header: 2000100, Function: a P1: 5000000 P2: 11 P3: da323400 |
||
307 | VCP ALERT : 0x5, 0x2 |
||
308 | VC_vb_h242_caps_end_seqa_noty |
||
309 | DIn : Header: 2000100, Function: b P1: 5000000 P2: 11 P3: da323400 |
||
310 | %Out: Header: 1010200, Function: 1 |
||
311 | %Out: Header: 1010200, Function: 1 |
||
312 | %Out: Header: 1010200, Function: 1 |
||
313 | %Out: Header: 1010200, Function: 1 |
||
314 | KOut: Header: 1010200, Function: 0 P1: 0400004b P2: 5c000000 P3: 01008280 |
||
315 | LOut: Header: 1010702, Function: 26 P1: 0400004b P2: 5c000000 P3: 01008280 |
||
316 | KOut: Header: 1010200, Function: 0 P1: 0400000a P2: 840000 |
||
317 | KOut: Header: |
||
318 | VCP |
||
319 | VCP ALERT : 0x3, 0x2 |
||
320 | $FT$:onhook audio$ |
||
321 | </pre> |