59
LD CHECK (Not Read)
Execute ‘E. LD On’ of ‘How to
use Test Tool (Dragon) : ‘VRDC
Loop [Read Mode]’
PN401 Pin 32(ENBL)=H?
Normal
NO
E
•
Check the connection of IC601 pin 20.
•
Check and replace the IC601(CPLD).
YES
IC401 Pin 12(RREF):
CED-8080B:0.8+/-0.3V,
CED-8083B:1.4+/-0.3V?
NO
•
Check the connection of IC409 Pin 18.
•
Check and replace the IC409(DAC).
YES
IC401 Pin 16(FPDO):
2.9+/-0.3V?
NO
•
Check the connection of PN401 pin 19.
•
Check and replace the PN401, PICK UP.
YES
PN401 Pin 25(VRDC) :
CED-8080B:0.9+0.5V,
CED-8083B:0.6+0.5V?
NO
•
Check the connection of IC401 pin 13.
•
Check and replace the IC401.
Execute ‘D. LD Inspection’ of ‘How to
use Test Tool(Dragon)’
Check the P/U connector and then
replace the P/U.
YES
YES
VRDC NG?
NO