Brother International DB2-B737 Support Question
Brother International DB2-B737 Support Question
Find answers below for this question about Brother International DB2-B737.Need a Brother International DB2-B737 manual? We have 2 online manuals for this item!
Question posted by xibalbamaya on October 22nd, 2015
error in the control panel of brother machine
Sen referred to PT error in the operation panel of the Brother DB2 B737 to
Current Answers
Related Brother International DB2-B737 Manual Pages
Network Users Manual - English - Page 2
...
pi Checking the lamp terminal code
11
Standing work machine
12
pi Application to production control system
13
((OPERATION INSTRUCTION
14
Installation of operation box
14
M Motor and control box (Models DB2-B737 • B747 • B748 • B791 • B793 • B795 • B798)
14
0 Operation box (Models DB2-B737 • B747 • B748 • B791 • B793 •...
Network Users Manual - English - Page 3
... CONNECTOR PANEL))
22
M Model DB2-B737 • B747 • B748 • B791 • B793 • B795 • B798 (Type 300B)
22
Model DB2-B738 (Type #4708)
23
TROUBLESHOOTING
24
CHECKINGTHE MOTOR©
25
111 Motor
25
ri Brake
25
CHECKINGTHE MACHINESOLENOID)S)
26
111 Solenoid load of the machine
26
121 Hem sensor
26
3 B737 Machine control system block...
Network Users Manual - English - Page 4
... higher integration, so that higher reliability is best suited for the following sewing machines.
[DB2-B7371 4 ,7
[DB2-6738]
4
[DB2-67911 *The DC motor is controlled from 215 spm to the plug of Sewing Speed The sewing speed is controlled from them because it does not run when the sewing machine is also stopped, resulting in highly effective energy saving. 2. Lightweight The...
Network Users Manual - English - Page 5
...Isom]
ED ED
Operation Box E-2
brother
E-4
-4
• il El
0
All
\ ,I c T , A 8 C O I
I
A! Use the operation box which is optionally available. rSc
I
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t0 RIO@EIMORI
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se ES D C ID N ea I
Operation Box E-4
Machine Head to be Applied [DB2-B738]
NAME OF EACH COMPONENT
The operation box is best suited to be Applied [DB2-B737 • B747 •...
Network Users Manual - English - Page 6
...circuit
I Power ON-OFF detection
Look protective circuit
L_
wit
Brake
Operation box
Speed detection
CPU
Solenoid brake transistor
CONTROL CIRCUIT UNIT
NOTE: The sections enclosed by the broken line indicate ...pilot
lamp "OFF". 2. Handle with great care. CAUTION: 1. Keep away from such machines which make strong noise as high frequency welder for both single-phase and three-phase ...
Network Users Manual - English - Page 7
... to run the motor Q at the needle down stop position set by the synchronizer 0. The voltage is given by the control circuit board in the control box 0 so that the operation of the sewing machine is stopped at the thread trimming speed (inching
speed). When the treadle Q is returned to the neutral position (with foot...
Network Users Manual - English - Page 9
...stop hole IC 0 for adjustment. Synchronizer detects the needle by two hole IC and controls the needle down signal and the thread trimming signal by the force of the needle clamp... position detector (synchronizer) Model DB2-B747 • B791 • B793 • B795 • B798
*Take off the power switch.
0
Position Adjustment for Needle Down Signal *Turn the machine pulley this side and set ...
Network Users Manual - English - Page 10
... detects the needle position with thick materials. (As for installation. (Improper clearance causes improper machine operation)
When the Synchronizer Is Out Of Order . . . *Turn off . The thread... the pulley reference line is replaced. Synchronizer Model DB2-B737 • B748
Higher
Lower
Lower
Higher
0
Needle up position 1. Slightly loosen the two screws 0 . Use the machine with thin ...
Network Users Manual - English - Page 11
...turned clockwise, the low machine speed is adjusted to increase. 3.
Take off the front cover. 2.
NOTE 3: When any volume knob is furnished with great care. 131 Control box
Control Box (Model DB2-B737) The high speed ...low machine speed is applied. The VR3 0 (automatic speed) is changed by finger because high voltage is adjusted to touch the volume knobs by the
maximum sewing ...
Network Users Manual - English - Page 14
... the treadle plug is connected.
(Take great care not to apply the current of 100 mA or more to affect the function of the control box, or the machine malfunctions.)
2.
Go. Plug A
Plug B
Ce$Ce
0
O 0
O
O OO O
CW- 1-Plug B
00 re Inv
Wira
Plug A
Wei
rso Ft> Wm WO
kw Iwo moo lige...
Network Users Manual - English - Page 15
... This terminal is procided with the tread trimming output terminal. B798
*The control circuit board is available for connecting to production control system 1. 9 Application to the external equipment. operating voltage: DC20 V or less
gr=O.. operating current: DC20 mA or less Max. Models DB2-B737 • B747 • B791 • B793. operating current: DC20 mA or less Max.
Network Users Manual - English - Page 16
...; B748 • B791
•
•
:g•
Models DB2-B793 • B795- And use (Models DB2-B737 • B747 • B748 • B791 • B795 • B798)
Power switch
O0
a 11
brother
0©000
*Push the "ON" button of the arm bed with the machine stopped, the machine starts correction sewing operation.
OPERATION INSTRUCTION
1 Installation of the power switch mounting...
Network Users Manual - English - Page 17
...B, C and D. brother E-2
0
II II
-l t d
0
DI i
Al031 Aid
&
LY
0
O LA
EOE
0 0 0 0000
ro 6 bmEt-h4er
1-- Press the switch 0 for the end backtacking during the machine operation.
Set the start ...Sewing 1. 3 Operation box (Models DB2-B737 • B747 • B791 • B793 • B795 • B798)
*The switch settings and the number of stitches before working with the machine...
Network Users Manual - English - Page 18
...machine is at the sewing start position after thread trimming, the machine does not move even if the actuator is operating, the machine enters the reverse sewing mode. If the actuator is pressed while the machine... trimming
switch
Continuous backtack switch
Stitch number setting
A
B
C
D
(D) (Cl
N
OFF
OFF
Reference figure No.
1
Note
OFF
OFF
O
O
2
OFF
OFF
O
O
3
OFF
OFF
O
...
Network Users Manual - English - Page 20
...\l'oli 5 w soV
Machine head
Reverse switch Reverse solenoid...
ff e
CN11
8 m Tr
000pIl00000000l
4 3 2 if 8 7 B 5 4 3 2 1
CN2
CNt
0 0 O O0
0
ooe
Control circuit board
ow> >>w
OO 1O O 0 O O 9 O 01
otn l09
8A fuse
LI O O O O O U
Brake
Brake coil... 100V)
0
1 GND 2 + 5V 3 DN 4 OV 5 NO.SYC 6 GND 7 UP
ENC
Operation box E-2, E-4
000C0)0 080
1
GND ACV
2 Din
3 Cin
4 Bin
5 Ain
6 Cout
7...
Network Users Manual - English - Page 24
...CI 0 El
Front face of Control box
5A
5A
FUSE
FUSE
Fuse
Motor
Power
gi
O
w
Synchronizer
Operation box
B737
®r©
(Note) 380 ...Operation box GND Din Cin Bin Ain Cout Bout Aout 0 V
DC + 5 V TH
2
Vf. .DETAILS OF CONNECTOR PANEL
1 Model DB2-B737 • B747 • B748 • B791 • B793 • B795 • B798 (Type 3O0B)
For standing work
O th`
0 CD CD
Machine...
Network Users Manual - English - Page 25
...
Presser foot lifter 6P connector
Cloth presser power Presser input Option
Cloth presser output 0 GND
Brake No.
2P connector
1
Brake power
2
Brake
Front face of control box
Operation panel
Synchronizer
on O 0 0 0 D 0 D
P 0
0 0
CI
8738
Motor No.
6P connector
1
Vf.
Network Users Manual - English - Page 26
... the sensor. TROUBLESHOOTING)
* When the troubleshooting is required, inspect separately such main parts as the condo] box, motor, operation panel box, motor, operation panel box, synchronizer, power switch, machine solenoid and presser foot lifter.
*When the control box is found to be monitored with the [ply sensor] LED, or the monitoring is unstable, adjust by stepping...
Network Users Manual - English - Page 29
... 4 ). S LED PC1 PC2
Operation panel
Set Ply sensor Input Sewing mode Programme
Start tack End tack Repeat Auto SP Slow start Half step
3 B738 Machine Control System Block Diagram
MD-812-470B
Treadle...ic 3 RAM UPD 449C
ic 2 ROM UPD 27128
Potentionmeter
Ply sensor control
A/D cony.
Drive Tr
Machine brake Trimmer solenoid Wiper solenoid Reverse feed solenoid Low speed Back tack speed...
Network Users Manual - English - Page 30
... cont
Motor lock protective
Power ON-OFF detection
)
CPU MB8841
)
Hic 2 Drive circuit
Machine brake Reverse feed solenoid Trimmer solenoid Wiper solenoid Presser solenoids
Start, repeat tack speed Back tack speed High speed Electric brake
Hic 1 INP circuit
a Operation panel
3e.
•
Start tack SW
End tack SW
aO-• Slow start SW...
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