Brother LZ2-B855E Service Manual page 74

8. ELECTRIC COMPONENTS
< Circuit board connector > Power supply circuit board
CN1 (JAPAN SOLDERLESS TERMINAL XHP-15) (The power supply circuit board connector is secured by solder.)
Pin No. Signal name
1 +8V
2 0V
3 -8V
4 Primary voltage detect
5 Relay control output
6 Restore control output
7 +5V
8 IPM control output
9 U phase control output
10 V phase control output
11 W phase control output
12 -U phase control output
13 -V phase control output
14 -W phase control output
15 IPM-FAULT
CN2 [AC200V] (JAPAN SOLDERLESS TERMINAL VBR-4) (Connected for 200 V and 100 V specifications)
Pin No. Signal name
1 AC200V
2 AC200V
3 -
4 -
CN3 [AC220V] (JAPAN SOLDERLESS TERMINAL VBR-4)
(Connected when 220 V, or a transformer is being used to provide a power voltage other than 100 V)
Pin No. Signal name
1 AC220V
2 -
3 AC220V
4 -
CN4 [AC230V/AC240V] (JAPAN SOLDERLESS TERMINAL VBR-4) (Connected for 230 V specification)
Pin No. Signal name
1 AC230V
2 -
3 -
4 AC230V
CN5 (MOLEX 3191-02R1) (The power supply circuit board connector is secured by solder.)
Pin No. Signal name
1 +300V
2 0V(DC300)
CN6 (MOLEX 5197-2)
Pin No. Signal name
1 Resistor
2 Resistor
8-15
Probable symptoms due to poor contact
With the power turned on, no indicate on the operation panel.
The machine motor does not run.
Rotation of machine motor is not correct.
Error code EE1, EE2, EE3, EE4, or EE9 appears.
Probable symptoms due to poor contact
Home position can not be found.
The machine does not zigzag.
The zigzagging is not correct.
Error code Ec1 appears.
Probable symptoms due to poor contact
Home position can not be found.
The machine does not zigzag.
The zigzagging is not correct.
Error code Ec1 appears.
Probable symptoms due to poor contact
Home position can not be found.
The machine does not zigzag.
The zigzagging is not correct.
Error code Ec1 appears.
Probable symptoms due to poor contact
Home position can not be found.
The machine does not zigzag.
The zigzagging is not correct.
Error code Ec1 appears.
Probable symptoms due to poor contact
Error code EE2, or EF2 appears.
LZ2-B855E,B856E