connector or cable wiring scheme for LG 3G phones (including LG40xx,LG70XX,L11XX and most others with 24 pin conector)
24 pin LG 7050 cell phone special right-to-left numbering connector
at the mobile phone (compatible with samsung S105 connector?)
| Pin | Signal | Description |
|---|---|---|
| 1 | Batt_ID | |
| 2 | VPPFLASH | |
| 3 | DSR | |
| 4 | Vin | IGN |
| 5 | Vin | Charge in, (USB +5V accepted) |
| 6 | CTS_ON | |
| 7 | PCM_RXA_IN | |
| 8 | PCM_CLK | |
| 9 | PCM_SYNC | |
| 10 | USB RX | USB D- |
| 11 | PCM_TXA_OUT | |
| 12,19 | GND | |
| 13 | DTMS | Rx |
| 14 | DFMS | Tx |
| 15 | USB Tx | USB D+ |
| 16 | USB Vcc | |
| 17 | CTMS/DCD | Serial Rx |
| 18 | CFMS/RI | Serial Tx |
| 20 | RFR_RTS | CTS? |
| 21,22 | + | 4.2v charger. Pins 20 and 21 may be used? May be charged from PC USB +5V power |
| 23 | CTS_ON | RTS? |
| 24 | DTS | DTR? |
Notes
- CTMS stands for Control To Mobile Station;
- CFMS stands for Control From Mobile Station;
- DTMS stands for Data To Mobile Station;
- DFMS stands for Data From Mobile Station
- different sources reports:
- pins 3,12,19,23 may be shorted in cable;
- pin 6 must be shorted by 10KOm resistor to +5v in cable;
- pins 2 and 21 should be shorted (confirmed).