ELETTRODOMESTICI
VIA CHECCHI 98
I 21013 GALLARATE
ITALY
Page 21 of 28
Tuesday, June 18, 2002
BOSCH 700 SERIES:
SERVICE INSTRUCTIONS FOR OVEN TESTING AND BASIC TROUBLESHOOTING
CONNECTION CABLE BETWEEN POWER AND DISPLAY BOARD - P1B (12POS) – single oven version
PIN FUNCTION NOTES
1 RESET THE POWER BOARD RESETS THE DISPLAY BOARD IF COMMUNICATION PROBLEMS OCCUR.
2 SINCRONIZZAZIONE
60HZ
3 RX COMMUNICATION LINE BETWEEN POWER AND DISPLAY BOARD.
4 TX COMMUNICATION LINE BETWEEN POWER AND DISPLAY BOARD.
5 RELAY ENABLE 2 PROVIDES CAVITY LATCH MOTOR RELAY WITH POWER.
6 RELAY ENABLE 1
PROVIDES THE HEATERS RELAYS ON THE POWER BOARD AND THE DLB RELAY ON THE AUX BOARD WITH
POWER.
7 NOT USED
8 WORKING FAN
HIGH SPEED
ACTIVATES THE CAVITY WORKING FAN SECOND SPEED
9 NOT USED
10 UPPER DOOR SWITCH THE DOOR SWITCH LINE IS ROUTED ACROSS THE POWER BOARD BUT ACTUALLY READ BY THE DISPLAY BOARD.
11 NOT USED
12 NOT USED
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