Siemens BTC-BR Manual Página 109

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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 3–17
3.6.3 Series v board converted into a service version (until 10.91)
Fig. 3-10 Series v board converted into a service version (until 10.91)
Procedure
Unsolder resistors (1), (2), (3) and (5) and soldering points (4).
At positions (8) and (11) solder resistors, R = 1KΩ, and at 180 km/h resistors
KN53.0291.080, R = 620Ω.
At positions (9) and (10) solder potentiometer HW11.461, R = 10KΩ, 0.5 W.
3.6.4 Converting v board for 140 km/h (up to approx. 03.91)
Procedure
Unsolder condenser (6), C = 0.47 µF/50 V.
Solder new KN53.1140.577 condensor, C = 1 µF/63 V to position (6)
Note
NO µP version.
1
2
4
3
4
5
1318.0210.104...
114
...
111
...
112
...
1318.71.100.02
7
8
9
10
11
12
1318.0210.1
04...
114...
111...
112...
6
Conver
v board with standard
v board in service version
1318.71.100.02
1 Resistor 7 Drilled hole
2 Resistor 8 Resistor
3 Resistor 9 Potentiometer
4 Soldering points 10 Potentiometer
5 Resistor 11 Resistor
6 Condenser 12 Drilled hole
Remark
Drilled holes (7) and (12) must remain free.
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