Troubleshooting - Atari TETRIS Installation Instructions Manual

Troubleshooting
No Sound
• Check the volume control adjustment.
• Check for proper voltage on the PCB edge connec-
tor.
• Check the wiring from the PCB to the speaker.
• Check the speaker for low resistance (approximate-
ly 811) between the
+
and - tabs.
Bad Sound
• Check the wiring to the speaker for bad solder con-
nections.
• Check the sound with another speaker.
3-2
Tetris
No Switch Input
• Check the ground connections to the switches.
• Check the wiring between the PCB and switches
for proper connection.
• Check the switches with an ohmmeter to verify
proper operation.
Switch Operates Incorrect Function
• Check the wiring between the PCB and switches
for proper orientation.
• Check the wiring for shorts between switch inputs.
Coin Meter Doesn't Function
• Check the wiring to the coin meter.
• Check that +5V to +12V is on the + side of the
meter.