Thermador CM301B Service Manual page 74

CM Oven Service Manual
The relay board has 5 large pin headers. They are identified as P0, P1, P7,
P8, P18. These large pin headers carry current to specific components. The
pin numberts are identified on the schematic.
P0 large pin header has 8 pins and are identified as follows;
P0-1 Receives current from center tap of light transformer.
P0-2 Sends current to microwave board to activate m/w oven door latch.
P0-3 Blank
P0-4 Sends 120VAC to lower oven latch motor
P0-5 Blank
P0-6 Sends 120 VAC to microwave stirrer motor.
P0-7 Not used
P0-8 Blank
P1 large pin header has 8 pins and are identified as follows;
P1-1 Receives current from center tap of halogen light transformer.
P1-2 Sends current to lower oven halogen lights.
P1-3 Receives current from center tap of halogen light transformer.
P1-4 Sends current to uper oven halogen lights.
P1-5 Blank
P1-6 Sends current to both cooling motors, tube fan and microwave transformer
cooling fan.
P1-7 Blank
P1-8 Sends current to both cooling motors, tube fan and microwave transformer
cooling fan.
DAC RELAY BOARD
(continued)
Page 72
Lit. No. 94-30-006B