Power Supply Board - GE Advantium PSA1200R Technical Service Manual

Humidity Sensor
4. Lift and turn the Air Tunnel Outlet over, then
disconnect the oven TCO wires.
5. Note the routing of wiring through air tunnel
outlet retainers, then remove wiring from
retainers.
Disconnect
Disconnect
Air Tunnel Outlet

Power Supply Board

Note: Callout arrows identify location of pin #1.
• Location (See
Top View
• Generates all DC voltages.
• 120 VAC input at CN1 pins 1 and 3.
• 18 VDC (CN103 pin 1) Operating voltage for the
Smart Board.
• 12 VDC (CN103 pin 2) Buzzer and Backlight
Operating Voltage. (Backlight is Monogram
Only).
• 12 VDC (CN103 pin 3) Relay Operating Voltage.
• 5 VDC (CN103 pin 4) VFD Operating Voltage.
• All DC voltages are measured to DC Ground (CN
103 pin 5).
• Disassembly. (See
Troubleshooting
1. Pivot the Control Panel Assembly out from the
oven. (See
Control Panel Removal
2. To gain better access to components, remove
the wires that plug into the large relays on the
Relay Board. (See
that the Smart Board CN103 wire harness (See
.) is routed through.
Smart Board
– 27 –
CN103
.)
.)
Disassembly
.)
.) Cut the wire tie
Relay Board
(Continued Next Page)
CN1