Matrix T7X-01, Service Manual

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8.5 error meSSaGe TroUbleSHooTiNG - CoNTiNUed
error meSSaGe 0x04a0
1) CAUSE - The console's communication is lost
2) SOLUTION:
a. Check connection and condition of the Digital Communication Wire at the daughter board (Figure A).
b. If no signal is present through the Digital Communication Wire, LED 1 on the Daughter Board should be unlit (Figure B).
c. Replace the Digital Communication Wire.
d. Replace the Daughter Board.
fiGUre a - (lefT Side of daUGHTer board).
fiGUre b (ToP / middle of daUGHTer
board).
CHaPTer 8: TroUbleSHooTiNG