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4-23
4.16 LCD Failure
Symptom: No display in the LCD.
Suggested corrective action:
1. Verify that the power cord is correctly connected and the power switch is ON.
2. Check for a blown fuse or open circuit on the unit’s internal power supply.
3. Check the DC output voltages from the power supply unit to connector P1 on the main control
PCB.
If any of the following voltages are incorrect, replace the power supply.
•
Pin 1, 2
: +24 VDC
•
Pin 3, 4, 5
: GND
•
Pin 6
: H.C.
•
Pin 7
: +12 VDC
•
Pin 8
: GND
•
Pin 9
: -12 VDC
•
Pin 10,11,12
: +5 VDC
•
Pin 13
: GND
4. Check the following connectors:
•
LCD assembly to the Panel 1 PCB (P102)
•
Panel 1 PCB (P100A) to the Harness to the main control PCB (P10A)
•
Panel 1 PCB (P100B) to the Harness to the main control PCB (P10B)
5. Replace the associated PCBs and connector harness.
4.17 General Power Failure
Symptom: Unit will not power up.
Suggested corrective action:
1. Verify that the power cord is correctly connected and the power switch is ON.
2. Verify that the electrical outlet is on.
3. Check for a blown fuse or open circuit on the unit’s internal power supply.
3. Check the DC output voltages from the power supply unit to connector P1 on the main control
PCB.
If any of the following voltages are incorrect, replace the power supply.
•
Pin 1, 2
: +24 VDC
•
Pin 3, 4, 5
: GND
•
Pin 6
: H.C.
•
Pin 7
: +12 VDC
•
Pin 8
: GND
•
Pin 9
: -12 VDC
•
Pin 10,11,12
: +5 VDC
•
Pin 13
: GND
Содержание OKIOFFICE 120
Страница 7: ...vi ...
Страница 17: ...1 10 1 7 Dimensions Dimension in mm ...
Страница 23: ...1 16 1 11 ID Label Specification 1 12 Labels location ...
Страница 24: ...2 1 Section2 Machine Composition 2 1 Interconnect Block Diagram ...
Страница 25: ...2 2 ...
Страница 87: ...3 46 Unique Switch F 7 and F 9 Factory use only ...
Страница 190: ...5 60 Note If you re attach the feed roller B put the right and left nibs into the fixing hole as shown ...
Страница 195: ...5 65 10 Move the cassette PCB by sliding it 11 Disconnect the all connectors on the cassette PCB ...