Pin | Signal | Description |
3 | GND | shorted by R=44.5KOhm to pin 18 when keyboard attached |
4 | Rx | also Tx for keyboard |
5 | Tx | |
8 | Ri | |
9 | CTS | |
10 | DTR | |
11 | DSR | |
16 | Vcc | power +5V, VDD for keyboard, +4.2V charging by i700 12V charger |
17 | GND | |
15 | +1.5V charging by i700 12V charger | |
18 | +0.66V charging by i700 12V charger | |
19 | +6V charging by i700 12V charger |
i700 Audio Jack Pinouts
tip = mike
ring = left audio
base = ground
outer ring = right audio
Samsung I700 charger (should show charger icon when connected). NOT tested!
2 - R1=120k to pin 3
3 - GND
4 - +V (4.3V-4.6V, not more)
5 - R2=2.2k to pin 4
Original charger is TCH120ESE