NEC NC1600C Service Manual page 166

ADJUSTMENTS AND INSPECTIONS ATTRIBUTABLE TO THE REPLECEMENT OF ELECTRICAL AND OPTICAL PARTS
Replacement of ETHER PWB
Adjust Item
Inspection Provisions shall be enabled to gain
Item access to the CPU and TI circuit.
Operation enabled for the touch panel
and MM2000B.
Replacement of PJKEY PWB
Adjust Item
Inspection Key operation enabled.
Item LED lighting possible.
LCD operation possible.
Items for Reference
7-18. Operation check for external control GPIO terminal enabled to operate.
terminals. 4) Ethernet terminal check
7-19. Operation check for optional
equipment
Items for Reference
7-17. Control key operation check
"Confidential, Do Not Duplicate without written authorization from NEC."
Replacement of GPIO PWB
Replacement of GPSU (Main PS)
Adjustment of GPSU output
Confirmation of image display
Any input acceptable
MM2000B operation enabled.
7-3
Items for Reference
7-18. Operation check for external control
terminals
Items for Reference
4. Output adjustment for General Power
Supply Unit (PJDIV PWB)
7-15. Picture quality check
7-19. Operation check for optional
equipment