8 Trouble Shooting
8-4
SAM4S ER-650 SERIES
8-4 VFD Display Problem
End
VFD Problem
Control Signal
Ok?
Y
N
1. Check the CPU Control Pin (Data/CLK/Latch) .
2. Check the Harness.
Connector
Ok?
Power VDI,
VCC Ok?
Y
1. Refer to the Power Problem.
2. Check the Harness.
1. Check the Harness.
2. Check the CPU Disconnection Function
Pin(P10.7)
N
N
VFD PBA
Assy Ok?
Y
Y
1. Check and Replace the VFD PBA.
2. Check the UCL5812.
3. Check the VFD.
4. Check THE Harness & Soldering Point.
N
All manuals and user guides at all-guides.com
Summary of Contents for ER-650
Page 2: ...All manuals and user guides at all guides com...
Page 68: ...9 Block Diagram 9 2 SAM4S ER 650 SERIES Memo All manuals and user guides at all guides com...
Page 70: ...10 Wiring Diagram 10 2 SAM4S ER 650 SERIES Memo All manuals and user guides at all guides com...
Page 73: ...SAM4S ER 650 SERIES 11 3 11 2 MEMORY PART All manuals and user guides at all guides com...
Page 75: ...SAM4S ER 650 SERIES 11 5 11 4 FISCAL PART All manuals and user guides at all guides com...
Page 78: ...11 8 SAM4S ER 650 SERIES 11 7 KEY SCAN PART Y All manuals and user guides at all guides com...
Page 79: ...SAM4S ER 650 SERIES 11 9 11 8 LCD DISPLAY PART All manuals and user guides at all guides com...
Page 80: ...11 10 SAM4S ER 650 SERIES 11 9 PRINTER PART G G All manuals and user guides at all guides com...
Page 86: ...All manuals and user guides at all guides com a l l g u i d e s c o m...