Bosch RTM 430 Repair Instructions page 56

5.3.1 Block diagram RTM 430
5
X9
2
1
1 Fresh air inlet (idling)
2 Gas inlet
3 Solenoid valve
4 Measurement chamber
5 Emitter
56
1
2
7
10
11
8
X7
1 3 4 5
2 1
X4 X13
Referenz
Monoflop
Heizung
HC11
32KRAM
128K Flash-EPROM
1 688 400 048
3
11
9
1
2 3 2 3
X14
ADC 12 Bit
16
16
Analogschnittstelle
6 Receiver
7 Temperature sensor, exhaust-gas
8 Measurement chamber heater
9 Temperature sensor, measurement chamber
10 Ventilators (air curtains)
10
6
4
8
- + -
1 2 3 4 1 2 3 4
X6
X5
Ventil-
ansteuerung
+12V
+5V
Gleichrichter
+9V
-9V
1
X8
X1
1
X10
14,5VAC
14,5VAC
14,5VAC
GND
GND
14,5VAC
14,5VAC
14,5VAC
TXD
RXD
Analog
459601/4Ha