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TROUBLESHOOTING - 19/26
NO
Check the connection of IC601 pin 20.
Check and replace the IC601(CPLD).
NO
Check the connection of IC409 pin 18.
Check and replace the IC409(DAC).
LD CHECK (Not Read)
YES
YES
YES
NO
Check the connection of CN401 pin 19.
Check and replace the CN401, PICK
UP.
YES
NO
YES
Check the P/U connector and
then replace the P/U
YES
YES
YES
YES
Normal
E
Execute E.LD On of How to use
Test Tool(Dragon) : VRDC Loop
[Read Mode]
CN401 Pin 32(ENBL)=H?
IC401
Pin 12(RREF):
0.8+/-0.3V?
IC401 Pin 16(FPDO) :
2.9+/-0.3V?
Check the connection of IC401 pin 13.
Check and replace the IC401.
VRDC NG?
Execute C.LD Inspection of
How to use Test Tool(Dragon)
CN401
Pin 25(VRDC):
0.9+/-0.5V?
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TEL 13942296513 QQ 376315150 892498299
