GE Advantium PSA2200R Technical Service Manual

Also see for Advantium PSA2201R: Dimensions

Contents

GE Advantium PSA2200R Technical Service Manual Manual pdf 28 page image

– 28 –DisconnectDisconnectDisassemblyTo remove the Power Supply Board:1. Remove the Outer Cover. (See Outer Cover.)2. Disconnect the 2 wire harnesses from the powerboard.3. Remove the Phillips-head screw and groundwire from the oven frame.4. Remove the 2 Phillips-head screws that attachthe power board to the Air Tunnel Inlet.Relay BoardRY7CN16CN6CN5RY9RY11RY12RY14• Location (See Control Boards and PanelConnections.)• Used for load switching, but also containsvoltage compensation circuits and the Buzzer.• To energize relays that operate any of theheat sources, the Smart Board has to supplya 12 VDC relay operating voltage (CN01 pin2), a 5 VDC relay enable voltage (CN01 pin 28),and another 5 VDC "turn on" voltage. (See RelayChart on the next page.)• To energize relays that operate loads that arenot heat sources, all of the above is requiredexcept for the "relay enable" voltage.• Buzzer is activated by supplying DC Ground toCN02-29.• DC Ground is on CN01 pins 4, 5, and 6.CN01(Continued next page)Note: Where applicable, board callout arrowsidentify pin #1.