
8/5
8.9 Illustrations of the PCBs
X 3
X 2
IC 18
X 6
X 1
X 4
S 3
S 4
S 1
S 2
LED
Solder points S1 and S3
A) Amplifier PCB, standard version
IC 18 DATAPROM
(sensor IC)
S1, S3 for empty-tube
cut-off, see Sect. 6.3
S2, S4 not used
X1 2-pin plug connector,
Pin 7 and 8,
see Sect. 7.5 and 7.7
X2 IMoCom bus, plug
connector for connec-
tion of external
add-on equipment,
see Sect. 6.2
X3 24-pin socket
connector
X4 5-pin plug connector,
Pins 1-5, signal cable,
see Sect. 7.5 and 7.7
X6 10-pin plug
connector for
dispay unit,
see Sect. 8.4
F1 Power fuse,
ratings see Sect. 8.5 or 9
SW Voltage selector, to change the voltage,
see Sect. 8.2
Tr Transformer
F1,F2 Power fuses,
ratings see Sect. 8.5 or 9
Tr Transformer
B) Power supply PCB, AC Versions 1 and 2 C) Power supply PCB, DC Version
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