Maintenance Procedures - Electronics Quantium 310 Maintenance Manual
Page 5-2 Document Ref 941113-001 Rev 2
5 MAINTENANCE PROCEDURES - ELECTRONICS
Each side of the dispenser house different electronics depending on the dispenser model and the
options ordered.
The pictures and photographs in this section are for graphical representation only and may vary
according to model ordered.
5.1 Calculator Head Components
Side A of the dispenser typically houses the following:-
•Input/Output (I/O) Board
•Input/Output Extension Board (IEB)
•WWC Mainboard
•Comms Board
•Battery & Toroidal Power Transformer
•ECVR Board & Zener Barrier
Side B of the dispenser typically houses the following:-
•I/O Board connections
•EPSI Board (optional)
•Terminal Rail e.g. for Tilt sensor (optional)
WWC COVER
PULSER
COVER
IEB
MAINBOARD
OCB
COMMS
BOARD
I/O BOARD
UAM
ZENER
BARRIER
ECVR
BOARD
SIDE A
EPSI
BOARD
TERMINAL
RAIL
SIDE B
I/O CABLE COVER
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