Auto Bobbin Changer; 16-1.Timing; 16-2.Connector; 16-3.Binding The Cord - Brother S-710A Service Manual

16. AUTO BOBBIN CHANGER

16. AUTO BOBBIN CHANGER
Wait at least 10 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before opening the face plate of the control box. Touching areas where high voltages are present can result in
severe injury.
16-1. Timing
<CN16>
16-2. Connector
<At control circuit board>
(1) DC5V
(2) Input from bobbin changer
(3) Output to bobbin changer
(4) SoV
<At bobbin changer>
Photocoupler
Start prevention switch

16-3.Binding the cord

99
DANGER
Obtain the bobbin changer signal from the CN6 connector
on the control circuit board.
•
•
1872M
The following bobbin changer connector is provided.
Bobbin changer connector
assembly
1873M
Note: If purchasing the connector as a single part from
1874M
Manufacturer
Connector No.
Connector terminal
+5V
SoV
1875M
Pass the bobbin changer cord (1) under the control circuit
(2)
board and secure it using a cable tie (2).
(1)
1876M
SL-710A
When the lower thread amount is detected, a "L"
signal is output from pin (3) of CN6 for 500 ms.
The motor will not operate while a "L" signal is being
output from pin (2) of CN6.
Part name
the manufacturer, specify the following number.
Part code
J03136-001
MOLEX
51103-400
50351-8100