Brother BAS-311E Sewing Machine User Manual


 
75
BAS-311E.311EL.326E.326EL
Chapter 6 Power supply and electrical parts adjustment
4. Connectors
Most of the machine trouble is due to connector problems including improper connection or insufficient contact. There-
fore, be sure to check if each connector is correctly inserted and that there is no contact failure between pins and wires
before starting toubleshooting procedures.
Connector positions
Main PCB
Outside of the control box
P9
P18
P19
P20
P24(OPTION)
P21
P4
P3
P1
P2
P25
P10
P11
P12
P13
P5
P6
P7
P14P15
P16
P17
Motor P-ROM
(MT)
Main P-ROM(MN)
P8
Panel cord connector
Foot switch connector