Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Model: C575R/U
Malfunction: Display key switch malfunction.
Circumstance: Press display keys, for instance, <STOP>
,
LEVEL <
▲
> / <
▼
>.
There is no reaction, or keys operate continuously.
Possible causes: 1. Display key malfunction.
2. Key cushions are out of place.
Troubleshooting: 1. Inspect key switch cushions.
2. Replace key switches.
3-5-2
Tack switch
Tack switch cushions
Tack switch
Summary of Contents for C575U
Page 1: ...C575U Repair Manual Electronics...
Page 2: ...1 1 Product Picture C575U 1 1 1...
Page 3: ...1 2 Display picture C575U 1 2 1...
Page 4: ...1 3 Component Placement C575U Display 1 3 1 Dispaly Program board Polar board USB board...
Page 8: ...1 5 C575U...
Page 12: ...1 6 Display Board Indicator LEDs C575R U 1 6 1 Power...
Page 24: ...C575 1 2 C575 E875 3 11 1 JP1 JP2 JP3 JP4 JP16 C575R U JP2 JP1 JP3 JP16...