7-Troubleshooting
1. Check for correct voltage at wall receptacle using digital voltmeter.
2. Check fuse with digital voltmeter or continuity tester.
3. Remove power cord and check wiring from AC power cord to
power supply.
4. Reapply power cord and check for correct voltage at power supply
AC input plug.
5. Check on/off switch with digital voltmeter or continuity tester.
6. Check AC power cord.
No Power
No Display On LCD
1. Check power to LCD.
2. Check the VGA cable.
3. If the main board appears to be booting up and there is still no
display, the LCD may need to be replaced.
No Sound
1. Check the volume control on the I.O. board.
2. Check for proper connections at the main board, I.O. board and
speaker.
3. If the connections are good and there is still no sound, the
speaker may need to be replaced.
No Lamps
1. If one side is working, swap lamps and starters to determine if
either is defective.
2. If neither side is working, check for correct voltage at the lamp
connector located just below the lamp holder.
3. If the voltage is correct, install a new lamp and/or starter.
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