CAS CL3500 Series - M a I N B O a R D R E P L a C E M E N

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CAS ELECTRICS CO.,LTD
5.3 Main board Replacement
1) Turn power off and remove power cord
2) Remove following cables
- SMPS Line
- Key Board Line
- Display Board Line
- Printer Lines
- A/ D Board Line
- I/ O Line
3) Remove following bolt to remove main board
1. remove cables and ground wire.
2. Remove 6 bolts and replace main board