Troubleshooting
Model:
T615
Malfunction:
Unit will not start operating.
Circumstance:
Turn POWER ON; the display does not light.
Possible cause:
Incoming power issue; component failure.
Troubleshooting: 1. Inspect the main fuse, power switch, & transformer
2. Inspect all cable connections.
3. Inspect drive board power LED. Or replace the drive
board as a test.
4. Inspect the display power LED and main IC.
5. Replace the SDC drive board.
3-2-1
Drive
Board
Display
Board
Filter
SW
FUSE
AC1
AC2
Transformer
Fuse holder & switch
Transformer voltage
Transformer
Voltage
(AC)
(red-red)
(blue-blue)
110V (red)
220V(blue)
black-black
12.5V
white-white
12.5V
orange-orange
29V
yellow-yellow
11.5V
LED2 Power
Cable connection
Program board
Summary of Contents for T615
Page 1: ...T615 Repair Manual Electronics...
Page 2: ...1 1 Product Illustration 1 1 1...
Page 3: ...1 2 Dispaly 1 2 1...
Page 4: ...1 3 Component Placement T615 Display 1 3 1...
Page 5: ...1 3 Component Placement T615 Bridge board 1 3 2 Bridge board To Lower keypad To Safety key...
Page 8: ...1 4 Connection T615 1 4 2...
Page 9: ...1 4 Connection T615 Display 1 5 1...
Page 10: ...1 5 Cable Connections T615 Display 1 5 2 To Safety key board To lower keypad To Display...
Page 12: ...1 6 Indicator LEDs T615 Display 1 6 1 Power led...
Page 48: ...4 8 1...