For Service Technician Use Only
COMPONENT TESTING
3-6
n
JennAir Built-in Coffee System
Main Board
LED-Fan PCB
X3
X3-Fan
X1
X1-Display
F1
F2
Door
LEDs
Scenario
LEDs
Knob
LEDs
F1-AC In (L1)
F2-AC In (Neutral)
CONNECTOR PIN-OUTS
CONNECTOR J12
(NTC, Steam Heater)
J12-1 VDC
J12-2
NTC Input
CONNECTOR J13
(Display PCB)
J13-1
+5 VDC
J13-2
TX BUS (Max 5 VDC)
J13-3
TX BUS (Max 5 VDC)
J13-4
GND
J13-5
-7 VDC
J13-6
Data Out (Max 5 VDC)
J13-7
Data In (Max 5 VDC)
J13-8
Clock (Max 5 VDC)
TERMINAL PINS
TERMINAL F1
(Grinder Motor, L1)
TERMINAL F2
(Switch M3, Drawer Microswitch)
TERMINAL F3
(AC In, L1)
TERMINAL F4
Open
TERMINAL F5
(AC In, Neutral)
TERMINAL F7
(Grinder Motor)
TERMINAL F8
(Steam Heater)
TERMINAL F9
(Coffee Heater)
CONNECTOR PIN-OUTS
CONNECTOR X3
(FAN)
X3-1
+12 VDC
X3-2
GND
TERMINAL F1
AC In, L1
TERMINAL F2
AC In, Neutral
