Sony Ericsson C702 Troubleshooting Manual page 5

Customized Power Supply Channel 2 DCIO/SEPI Cable
To perform Current Calibration the phone must be supplied directly through the system
connector. Customize the cable according to following instructions:
STEP 1:
Take the CST-75 battery charger and cut of the charger according to Picture 7.
Picture 7
Note: Cable length must be exact 1.3m.
STEP 2:
Connect the CST-75 charger Red or White wire to the Plus Output and the Black wire to the
Minus (GND) Output at Power Supply Channel 2 DCIO/SEPI according to Picture 8.
Picture 8
STEP 3:
Cut of isolation material from inside of the charger plug according to Picture 9.
Picture 9
TROUBLESHOOTING Equipment List
STEP 4:
Connect DCIO and SEPI Interface Cable – A1 cables according to Picture 10.
Picture 10
This is wrong setup see picture 11.
Picture 11
Power Supply Channel 2 DCIO/SEPI Cable Connection Setups
Correct DCIO/SEPI Cable setup when TRS Fixture is used.
Picture 12
Note: Example of DCIO/SEPI and K750 TRS Fixture Setup.
SEMC Troubleshooting Manual
C702
1221-7857 rev. 1 5 (115)