Tracer AV Installation Manual - Rice Lake Weighing Systems

2.4 Board RemovalIf you must remove the Tracer AV CPU board, use the following procedure:• Use a wrist strap to ground yourself and protect components from electrostatic discharge (ESD) whenworking inside the Tracer AV enclosure.• This unit uses line fusing which could create an electric shock hazard. Procedures requiring work insidethe Tracer AV enclosure must be performed by qualified service personnel only.• The supply cord serves as the main power disconnect for the Tracer AV. The power outlet must beinstalled near the unit and be easily accessible.1. Disconnect power to the Tracer AV.2. Cut security cable (if installed) and remove screws.3. Remove the top cover.4. Disconnect power supply cable from connector J7 on the Tracer AV CPU board.5. Unplug connectors J1 (load cell cable), J2 (digital inputs), J3 (EDP), J4 (serial), J6 (digital outputs), andJ2 (display). See Figure 2-4 5 for connector locations.6. Remove the five screws from the CPU board, then lift the board out of the enclosure.To replace the CPU board, reverse the above procedure.2.5 Replacement PartsTable 2-6 lists replacement parts for the Tracer AV.PN Description (Quantity)97994 Tracer AV Enclosure Assembly70599 6 Pos Screw Terminal - Pluggable 5mm Center Screws (2)71125 3 Pos Screw Terminal - Pluggable 5mm Center Screws (2)71126 4 Pos Screw Terminal - Pluggable 5mm Center Screws(1)76556 Power Supply (1)87958 CPU Board Assembly (1)97881 Coverplate - 10” x 6 ”x 2” (1)97978 DB-9 PCB Assembly (1)93558 Remote Display93213 Back Cover Enclosure (1)93215 Remote Display Lens (1)93559 Front Panel Assembly (1)93561 PCB Assembly (1)93563 Cable Assembly (1)97995 2-Button Keypad50749 DB-9 FEM to DB-9 Cable (1)71014 Piezo Switch SST SPSI (2)97877 Front Switch Panel (1)97878 Rear Switch Panel Cover (1)97977 PCB Assembly (1)Table 2-6. Replacement PartsTracer AV Installation Manual - Installation 9