Siemens BTC-BR Manual Página 113

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Technical Product Manual
Fault analysis and repairs 1318
3 Removing and fitting housing
Section 3: Removing and fitting housing • Edition 12/2005
TU00-1318-0200302 © Siemens VDO Trading GmbH Section 3 3–21
3.6.7 Converting a series µP v board into a service version (from
11.94)
Fig. 3-13 Converting a series µP v board into a service version (from 11.94)
Procedure
Unsolder balanced SMD resistors (3).
Solder resistors KN53.0291.080, R=620 Ω/0.4W to positions (4) and (5).
Solder potentiometer HW11.461, R=10 KΩ/0.5 Watt to positions (6) and (7).
Disconnect connectors at positions (1) and (2).
Note
v board in µP version
3
1
2
5
7
1
318.71.800.10
4
6
Back
Front
1 Conductor 5 Resistor
2 Conductor 6 Potentiometer
3 SMD resistors 7 Potentiometer
4 Resistor
Remark
Fit the hood with integral trough connector and plug
to the µP units (see Chapter 3.16.9.2).
Do not damage conductors.
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