Brother HE-800A Service Manual page 144

6. ELECTRIC COMPONENTS AND SOFTWARE
3. Circuit board connectors [1-step power supply circuit board]
CN1
Pin no.
1 P8V (+8V)
2 0V
3 N8V (-8V)
4 OV. Det
5 RY. out
6 OV. FAULT
7 +5V
8 PHOTO
9 U
10 V
11 W
12 U
13 V
14 W
15 IPM. FAULT
CN2
Pin no.
1 AC200-R (200V specifications)
2 AC200-T (200V specifications)
3 -
4 -
CN3
Pin no.
AC220-R
1
(100/110/220/380/400V specifications)
2 -
AC220-T
3
(100/110/220/380/400V specifications)
4 -
CN4
Pin no.
1 AC230/240-R (230V specifications)
2 -
3 -
4 AC230/240-T (230V specifications)
CN5
Pin no.
1 DC300V
2 DC0V
CN6
Pin no.
1 Resistance
2 Resistance
136
Signal name
Signal name
Signal name
Signal name
Signal name
Signal name
Probable symptoms due to poor contact
• The zigzag home position can not be found.
• The zigzag mechanism does not operate.
• Error E-05 is displayed.
• The machine motor does not turn.
Probable symptoms due to poor contact
• The zigzag home position can not be found.
• The zigzag mechanism does not operate.
• Error E-05 is displayed.
• The tension release solenoid does not operate.
Probable symptoms due to poor contact
• The zigzag home position can not be found.
• The zigzag mechanism does not operate.
• Error E-05 is displayed.
• The tension release solenoid does not operate.
Probable symptoms due to poor contact
• The zigzag home position can not be found.
• The zigzag mechanism does not operate.
• Error E-05 is displayed.
• The tension release solenoid does not operate.
Probable symptoms due to poor contact
• The zigzag home position can not be found.
• The zigzag mechanism does not operate.
• Error E-05 is displayed.
Probable symptoms due to poor contact
• Voltage error occurs.
• Error E-95 is displayed.
HE-800A