Difference between revisions of "Coinvox 22"
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[[Image:Coinvox 22 front.jpg|thumb|185px]][[Image:Coinvox 22 inside.jpg|thumb|185px]] | [[Image:Coinvox 22 front.jpg|thumb|185px]][[Image:Coinvox 22 inside.jpg|thumb|185px]] | ||
| − | + | == synopsis == | |
I got myself a Coinvox 22, reasonably cheap. | I got myself a Coinvox 22, reasonably cheap. | ||
The downside is: the inner workings have been stripped out, so it's just a metal box with keypad and display, a handset with hookswitch and a smalltransformer. | The downside is: the inner workings have been stripped out, so it's just a metal box with keypad and display, a handset with hookswitch and a smalltransformer. | ||
| Line 11: | Line 11: | ||
No coin mech, no ringer, no phone. | No coin mech, no ringer, no phone. | ||
| − | === plans | + | == inside == |
| + | === handset / hookswitch === | ||
| + | * 2 differend reed switches | ||
| + | * 4 coils | ||
| + | * 2 3-pin SOT 23 (smd) diodes(?) (D1, D2: A7 P 45) | ||
| + | |||
| + | '''J1''' | ||
| + | |o spk | ||
| + | |o| mic - | ||
| + | |o| mic + | ||
| + | |o spk | ||
| + | |||
| + | '''J2''' | ||
| + | mic+ 2 |oo| 1 spk | ||
| + | spk 4 |oo| 3 mic- | ||
| + | NC1 6 |oo |5 n/c | ||
| + | NO1 8 |oo| 7 P1 | ||
| + | P2 10|oo| 9 NO2 | ||
| + | |||
| + | === keypad / display === | ||
| + | * IC2: [http://www.nxp.com/documents/data_sheet/PCF8576.pdf PCF8576T] (Universal LCD driver for low multiplex rates, I<sup>2</sup>C) | ||
| + | * IC3: [PCF8574T (Remote 8-bit I/O expander for I<sup>2</sup>C-bus with interrupt) | ||
| + | |||
| + | '''J''' | ||
| + | SCL 2 |oo| 1 SDA | ||
| + | 4 |oo| 3 | ||
| + | GND 6 |oo |5 VCC | ||
| + | 8 |oo| 7 | ||
| + | Int 10|oo| 9 | ||
| + | |||
| + | '''Keypad''' | ||
| + | {| class="wikitable" | ||
| + | ! | ||
| + | ! col1 (R12) | ||
| + | ! col2 (R9) | ||
| + | ! col3 (R10) | ||
| + | ! col4 (R11) | ||
| + | |- | ||
| + | ! row1 (R5) | ||
| + | | n/c | ||
| + | | 1 | ||
| + | | 2 | ||
| + | | 3 | ||
| + | |- | ||
| + | ! row2 (R6) | ||
| + | | n/c | ||
| + | | 4 | ||
| + | | 5 | ||
| + | | 6 | ||
| + | |- | ||
| + | ! row3 (R7) | ||
| + | | N | ||
| + | | 7 | ||
| + | | 8 | ||
| + | | 9 | ||
| + | |- | ||
| + | ! row4 (R8) | ||
| + | | Vol | ||
| + | | * | ||
| + | | 0 | ||
| + | | # | ||
| + | |} | ||
| + | |||
| + | |||
| + | |||
| + | :LGCO-CH BTC15 DESKII | ||
| + | :4 431 4223 0 22 | ||
| + | |||
| + | Sticker | ||
| + | :Landis & GYR | ||
| + | :412197580 A | ||
| + | :Version.mec: A | ||
| + | Date fab : 02/95 | ||
| + | == plans == | ||
* upload reference material of the Coinvox phones ([http://hacktic.nl/ hacktic], [https://web.archive.org/web/20050824080547/http://www.klaphek.net/ 't klaphek], telephone museums ([http://www.telefoonmuseum.eu/][http://houwelingtelecommuseum.com/][http://www.telefoonmuseum.com/][http://www.actw.nl/][http://www.telefoniemuseum.nl/][http://www.muscom.nl/][http://test.drouwenerzand.nl/halloween/attracties/telefoonmuseum/]) | * upload reference material of the Coinvox phones ([http://hacktic.nl/ hacktic], [https://web.archive.org/web/20050824080547/http://www.klaphek.net/ 't klaphek], telephone museums ([http://www.telefoonmuseum.eu/][http://houwelingtelecommuseum.com/][http://www.telefoonmuseum.com/][http://www.actw.nl/][http://www.telefoniemuseum.nl/][http://www.muscom.nl/][http://test.drouwenerzand.nl/halloween/attracties/telefoonmuseum/]) | ||
* experiment with my (front fed) coin mech (or look for a top fed mech that fits) | * experiment with my (front fed) coin mech (or look for a top fed mech that fits) | ||
| Line 17: | Line 90: | ||
* connect an [[ATA]] to an old phone | * connect an [[ATA]] to an old phone | ||
| − | + | == todo == | |
* identify ICs, obtain datasheet, determine pinouts | * identify ICs, obtain datasheet, determine pinouts | ||
Revision as of 20:46, 23 October 2015
| Project: Coinvox 22 | |
|---|---|
| Featured: | |
| State | Active |
| Members | xopr |
| GitHub | No GitHub project defined. Add your project here. |
| Description | Get an old payphone to work again |
| Picture | |
| No project picture! Fill in form Picture or Upload a jpeg here | |
synopsis
I got myself a Coinvox 22, reasonably cheap. The downside is: the inner workings have been stripped out, so it's just a metal box with keypad and display, a handset with hookswitch and a smalltransformer.
No coin mech, no ringer, no phone.
inside
handset / hookswitch
- 2 differend reed switches
- 4 coils
- 2 3-pin SOT 23 (smd) diodes(?) (D1, D2: A7 P 45)
J1
|o spk |o| mic - |o| mic + |o spk
J2
mic+ 2 |oo| 1 spk spk 4 |oo| 3 mic- NC1 6 |oo |5 n/c NO1 8 |oo| 7 P1 P2 10|oo| 9 NO2
keypad / display
- IC2: PCF8576T (Universal LCD driver for low multiplex rates, I2C)
- IC3: [PCF8574T (Remote 8-bit I/O expander for I2C-bus with interrupt)
J
SCL 2 |oo| 1 SDA
4 |oo| 3
GND 6 |oo |5 VCC
8 |oo| 7
Int 10|oo| 9
Keypad
| col1 (R12) | col2 (R9) | col3 (R10) | col4 (R11) | |
|---|---|---|---|---|
| row1 (R5) | n/c | 1 | 2 | 3 |
| row2 (R6) | n/c | 4 | 5 | 6 |
| row3 (R7) | N | 7 | 8 | 9 |
| row4 (R8) | Vol | * | 0 | # |
- LGCO-CH BTC15 DESKII
- 4 431 4223 0 22
Sticker
- Landis & GYR
- 412197580 A
- Version.mec: A
Date fab : 02/95
plans
- upload reference material of the Coinvox phones (hacktic, 't klaphek, telephone museums ([1][2][3][4][5][6][7])
- experiment with my (front fed) coin mech (or look for a top fed mech that fits)
- experiment with a cisco phone (see if I can use the softkeys and the AUX port to read quarters or just Euro coins
- connect an ATA to an old phone
todo
- identify ICs, obtain datasheet, determine pinouts
