Connectors; Connector Positions - Brother HE-800A Service Manual

6-4. Connectors

Most of the machine trouble is due to connector problems including improper connection or sufficient contact.
Therefore, be sure to check if each connector is correctly inserted and that there is no contact failure between pins
and wires before starting troubleshooting procedures.

6-4-1. Connector positions

Main circuit board
Sub circuit board
6. ELECTRIC COMPONENTS AND SOFTWARE
HE-800A
4370Q
4371Q
125