F3 series 100X5R service manual
1
CAUTION : to reduce the risk of fire, replace the same type fuse and rating
ATTENTION : utiliser un fusible de rechange de meme type et calibre
230V : T1AL/250V
115V : T1A/125V
100V : T1A/125V
1.0 safety and servicing notes
1.1 Safety precautions
1.
This unit is Class II, which means that it is not connected to the protective earth
system. All live voltages are insulated from the case by double insulation.
2.
Do not attempt to service unless qualified to do so.
3.
Disconnect unit from AC power supply before removing cover.
4.
Components marked with the
symbol on the circuit schematic are safety critical
and must only be replaced with an identical component, or an alternative approved
by the manufacturer.
5.
Switch unit off, and disconnect from supply before making and breaking any
connections.
6.
Do not adjust any controls unless instructed to do so in this manual.
1.2 Electrostatic discharge precautions
Electrostatic discharge (ESD) is due to charges produced by insulating materials rubbing together.
Humans collect electrostatic charge through normal activities when clothes rub together and when
walking on carpet. This charge may be discharged suddenly when you touch a conductor. If the
conductor is connected to a sensitive electronic circuit, you may damage the components. It is also
possible to reduce the life of components without causing any obvious damage.
To prevent ESD damage to TAG McLaren Audio units, it is necessary to follow these guidelines.
1.
Prepare work area. Place an ESD protective mat on the bench, strapped to the
protective earth circuit.
2.
Prepare yourself. Put on an ESD protective wrist band, strapped to the protective
earth circuit, or to the ESD protective mat.
3.
Keep all PCBs removed from unit in ESD protective bags.
4.
Keep all replacement electronic components, PCBs and stock items in ESD
protective bags or boxes.
5.
Be particularly careful with components marked with the following symbol:
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