Ericsson T18s Trouble-Shooting Instruction page 19

T18s, T18sc Standard Electrical Repairs
Fig. 3.6
3.4.4 The phone works as long as the On/Off key is
pressed.
Open the phone and check for liquid damages.
Make sure the pads for the battery connector and system connector aren't dirty, oxi-
dised or liquid damaged.
Put the board in the fixture. Give the board power, start it up and keep it running by
keeping the On/Off key pressed.
Measure the voltage at C692 (~3V, fig. 3.4).
• If the voltage is incorrect, make sure the soldering at pin 119 of D600 isn't
faulty.
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