Siemens C35 series Service Manual page 76

Repair Documentation
Description of procedure:
D I AG N O S I S
R E P AI R B Y C O M P O N E N T C H AN G E
R E P AI R B Y S W - B O O T I N G
T E S T
V1.0
Visually check the status of the IrDa module. Watch for dry solder joints.
Use a reference infrared port (eg. from a notebook) to check the IrDa
function. If the notebook recognizes the S35, the infrared function is ok.
Use hot air to remove defective infrared module.
Avoid excessive heat!
Watch surrounding components!!
Resolder new module afterwards
Not possible!
Retest handset after repair.
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