Explanation of PCBs (Processor section)
1/1
6. Electrical parts
67400
67400
Power supply (processor)
!
!!
! Function
*1. No longer available
IMPORTANT
• Each power supply is equipped with the overvoltage and overheat protection functions. If the functions operate, turn
off the circuit breaker of the system and wait for a while, then turn it on again. If the overheat protection function is
operated, check if each cooling fan is in operation.
!
!!
! Reference
!
!!
! Adjustments and precautions for PCB replacement
• Do not change each volume that has already been adjusted by the manufacturer before shipment.
!
!!
! Unused connector
• None
!
!!
! Component parts table
Fuse
Symbol Name Part No. Function
PS1 Processor power supply 1 I038401 • Supplies power (DC+5 V) to the processor control PCB and processor
I/O PCB 1.
• Supplies power to the processor relay PCB (DC+24 V).
PS2 Processor power supply 2 I038402
I038405
*1
• Supplies power (DC+24 V) to the processor control PCB, processor I/O
PCB 1 and processor I/O PCB 2.
• Supplies power to the F replenishment I/O PCB (DC+24 V).
Layout diagram Symptom due to the poor connection of
wiring
Symptoms of fuse blowout
☞63200 ☞4203 -
Power supply Fuse No. Purpose Remarks
Processor power supply 1 F1 AC 200 V power supply
protection
Cannot be replaced.
Processor power supply 2 F1 AC 200 V power supply
protection
Cannot be replaced.
CN1(791)
PS1
CN2(792)
VR
VR
G085241
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