Rohde & Schwarz SME02 - Exchange of XMEM Battery

Maintenance and Troubleshooting SME
1038.6002.02 4.4 E-13
4.1.3.2 Exchange of XMEM Battery
Removing
Option SME-B12
À Switch off unit and disconnect power plug.
À Remove all cable connections.
À Undo the four screws of the rear-panel feet and remove feet.
À Push top panelling towards the rear and remove.
À Turn unit upside down.
À Remove bottom panelling.
À On each locking rail, undo two screws in the oblong holes.
À Push the locking rails towards the front by using a screwdriver.
À Withdraw option SME-B12.
Exchanging
the battery
For the location of the battery on the computer PCB refer to Fig. 4-3.
À Unplug jumper X2 (cf. Fig. 4-3, item 1).
À Cut off cable ties.
À Unsolder battery G1 (cf. Fig. 4-3, item 2).
À Fix new battery with cable ties.
Caution! Observe the polarity when fixing and soldering the battery (cf. Fig.
4-3 and marking on the PCB). The solder tag for the positive pole
is located close to jumper X2. A wrong polarity will lead to the
destruction of components.
À Shorten connection wires to the necessary length and solder battery.
À Plug jumper X2 (cf. Fig. 4-3, pos. 1).
Fitting
Option SME-B12
À Shorten connection wires to the necessary length and solder battery.
À Plug jumper X2 (cf. Fig. 4-3, pos. 1).
Caution! Ensure that the braided cord in the casing slots is fitted correctly.