Bosch HBL8x50UC - Page 16

Service Manual for Bosch Built-in Wall Ovens
Use Table 6 as a reference guide to the plugs, pins, and wire colors
found on the PC control module.
PLUG
NO
PIN NO FROM/TO
COMMUNICATION
X1 5-position card-edge
connector - WH
Control Module to Power Supply Module
X2 3-position card-edge
connector - YE
Control Module to User Interface Module
X3 3-position card-edge
connector - YE
Control Module to Factory Service Port
X108* 2-position card-edge
connector - WH/GN
Control Module to Meat Probe
UPPER/SINGLE CAVITY ELEMENTS
1-OR K102 Relay to Bake Element
2-BK L1 to K102 Relay
3-Blank N/A
4-BK L1 to K104 Relay
5-Blank N/A
X101
6-BU** K104 Relay to Ring Element
1-YE K003 DLB Relay to Broil Element
2-Not Used N/A
3-Blank N/A
4-RD L2 to K003 DLB Relay
X102
5-RD L2 to K003 DLB Relay
1-BU** K002 DLB Relay to Ring Element
2-RD L2 to K002 DLB Relay
3-Blank N/A
4-RD L2 to K001 DLB Relay
5-Blank N/A
6-OR K001 DLB Relay to Bake Element
X103
7-Blank N/A
1-Blank N/A X104
2-Blank N/A
PLUG
NO
PIN NO FROM/TO
3-Blank N/A
4-BK L1 to K106 Relay
5-BK L1 to K106 Relay
6-Blank N/A
7-Not Used N/A
8-YE K106 Relay to Broil Element
1-BU High Temperature Cutout (HTC) X110
2-Not Used N/A
3-BU High Temperature Cutout (HTC)
UPPER/SINGLE CAVITY SMALL LOAD
1-Blank N/A X105
2-YE K112 Relay to Convection Fan
3-BU/WH K114 Relay to Cooling Fan (L)
4-BU K115 Relay to Cooling Fan (H)
5-BN K115 to Light Transformer
6-Blank N/A
7-BN K117 Relay to Motorized Door Latch (MDL)
8-RD L2 to K117 Relay
1-YE Door Switch X106
2-YE Door Switch
3-Not Used N/A
4-YE/BK Latch Switch
5-OR/BK Latch Switch
6-VT/WH Door Switch
7-BN/WH Door Switch
1-WH Hall Effect Sensor X107
2-BK Hall Effect Sensor
3-RD Hall Effect Sensor
4-WH Temperature Sensor
5-WH Temperature Sensor
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