Sony Ericsson that have tx-rx connection

Sony Ericsson that have tx-rx connection:

2218z,
A2618s, A2618sc, A2628s, A2628sc,
F500, F500i,
J200c, J200i, J300a, J300c, J300i,
K300a, K300c, K300i, K500c, K500i, K506c, K508i, K600, K608i, K700, K700c, K700i,
P800, P802, P900, P908, P910a, P910c, P910i,
R300d, R300LX, R300z, R310s, R310sc, R320s, R320sc, R380e, R380sc, R380s, R380WORLD, R520LX, R520m, R520mc,
S700c, S700i, S710a,
T200, T202, T20e, T20ec, T20s, T20sc, T238, T28s, T28sc, T28z, T28WORLD, T290a, T290c, T290i, T292a, T29s, T29sc, T300, T306, T310, T312, T316, T39m, T39mc, T60c, T60d, T608, T60LX, T610, T61c, T61d, T616, T618, T61LX, T61z, T628, T62u, T630, T637, T65, T68, T68i, T68ie,
V600i, V800,
Z1010, Z500a, Z502a, Z600, Z608, Z800i.

for J200i, J210i, J300i, K300i, K700, K700i, S700, S700i, F500, F500i, K500, K500i, T616, T628, T637, P800, P802, P900, P908, P910, T200, T202, T226, T226s, T230, T238, T290, T292, T300, T302, T306, T310, T312, T316, T20, T28, T29, T36, T39m, T39mc, R520, R520m, R520mc, T65s, T60c, T62u, T68i, T68m, T68mc, T68ie, z1010, T100, T102, T105, T106, T66, T600, R600, R600s, R600sc, A2618, A2628, A3618, Z200, Z300, Z500i, Z600, Z608, Z1010, S700, V600i, V800
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Pin
Name Direction Description
1 ATMS Audio to mobile
2 AFMS/RTS Audio from mobile/RTS (connected to GND in cable?)
3 CTS/ONREQ CTS/Mobile Station On REQuest (connected to GND in cable?)
4 data in Data to mobile (Rx). (Tx for K300i)
5 data out Data from mobile (Tx). (Rx for K300i)
6 ACC in Accessory control to mobile. Used as Rx in some models (i.e. T68) for flashing.
7 ACC out Accessory control from mobile/handsfree sense. Used as Tx in some models (i.e. T68) for flashing.
8 AGND Audio signal ground + 0V reference
9 flash Flash memory voltage + Service (shorted to pin 11 in service cable)
10 DGND Digital ground
11 Vcc DC + for battery charging + External accessory powering

Pinout by Cruiser team:

Pin Signal Description
1 ATMS
2 AFMS
3 CTS_ON
4 DTMS
5 DFMS
6 CTMS
7 CFMS
8 AGND
9 VPPFLASH
10 DGND
11 DCIO

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

Standard cable is Sony Ericsson DCU-11

 

The (Tx)&(Rx) are reverse for K300i model, you must connect CTS & DGND together on board and connect the common wire to CTS(Pin3) in phone connector. If your cable is working fine then dont change it.

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