135
Test Mode
Troubleshooting
8B. Service
Troubleshooting
- Must be performed by a technician -
8B-3-10 Signboard assembly
Symptom
Main cause
Action
Reference
page
The time LED PC board
does not light.
A time LED PC board malfunction.
Replace the time LED PC board.
Page 168
Main PC board malfunction.
Replace the main PC board.
Page 146
The score LED PC board
does not light.
A score LED PC board malfunction.
Replace the score LED PC board.
Page 169
Main PC board malfunction.
Replace the main PC board.
Page 146
8B-3-11 Illuminator assembly
Symptom
Main cause
Action
Reference
page
The circle LED does not
light.
A circle LED malfunction.
Replace the circle LED.
Page 170
Main PC board malfunction.
Replace the main PC board.
Page 146
M259_08B_ENin6.indd 135
M259_08B_ENin6.indd 135
2/5/2013 8:11:55 AM
2/5/2013 8:11:55 AM