Connectors - Brother BAS-311E Service Manual

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
Outside of the control box
Main PCB
P9
P8
Main P-ROM(MN)
Motor P-ROM
(MT)
P17
P16
Panel cord connector
Foot switch connector
P19
P18
P15 P14
BAS-311E.311EL.326E.326EL
Chapter 6 Power supply and electrical parts adjustment
P24(OPTION)
P21
P20
P6
P7
P4
P3
P5
P1
P2
P25
P10
P11
P12
P13
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