Brother BAS-415 User Manual

[II Connectors
1. Main circuit board connectors
Refer to the control block diagram to check the connector locations.
Connector
Connecting point Drive signals
Symptoms resulting from bad
No.
connection
P1
Not available
--------------------
----------------------------
P2
Main circuit board- Solenoid Solenoid drive signal
Solenoid does not operate.
P3
Main circuit board + SV (whole control PCB)
· Control function does not operate well, or
-Power supply equipment
does not operate at all.
+ 12V (RS232C)
• Communication function does not work.
- 12V (RS232C)
+ 60V (Solenoid)
• Solenoid
does not operate.
P4
Main circuit board Pulse motor control signal
• X-axis pulse motor does not run.
- PMD circuit board
(P1)
• Y-axis pulse motor does not run.
• Pulse motor for needle bar replacing does
not run. (Needle bar does not move.)
PS Main circuit board Sewing machine motor control
· Sewing machine motor does not run.
-Sewing machine motor
signal
• Thread trim mer does not function .
circuit board
(P3)
·Overload
P6 Not available
--------------------
----------------------------
P7 Main circuit board
needle
movement possible • Improper needle bar position (Needle bar
-Synchronizer circuit board needle location signal
case does not move.)
· Needle bar case locking
· Improper needle
bar case position
• Improper needle bar position (Wrong
needle bar is selected.)
P8 Main circuit board Mechanical area over signal
•
When power is turned on, "area over" is
- Overtravel sensor displayed although the needle is in the
sewing area.
• During sewing, "area over" is displayed
although the needle is in the sewing area.
pg
Main circuit board
Y-axis center detection
· When power is turned on, "area over" is
- Y home position sensor
displayed.
P10
Main circuit board
X-axis center detection
· When power is turned on, "area over" is
-X home position sensor
displayed.
P11
Main circuit board
Needle
thread breakage signal
· Thread breakage detector does not activate.
-Thread sensor (Thread
• Thread breakage detector always activates.
breakage detector)
-67-
From the library of: Superior Sewing Machine & Supply LLC

Brother BAS-415 Specifications

General

Brand	Brother
Model	BAS-415
Category	PDA
Language	English