Denon AVR-X3000 - Page 87

VIDEO B'D aw.
B
Extend DIGITAL B'D using a jig.
Check power supply voltage and control signal of
video selector IC (IC511 , IC516).
(VIDEO B'D)
V +5V : J5019
V +5V : J5040
V select : J5007 = H (3.3V)
J5012 = H (3.3V)
J5016 = H (3.3V)
COMPONENT select : J5023 = H (3.3V)
J5021 = L (0V)
Defective connection of SIDE CNT B'D (BN28B).
Video selector IC (IC511 or IC516 ) aw.
Defective the parts between video selector IC(IC511 ,
IC516 ) .
Defective the soldering video selector IC(IC511 , IC516 )
or video selector IC (IC511 or IC516 ) aw.
Check the signal input to video selector
IC (IC511 , IC516).
V : J5001
OMPONENT-Y : J5006
COMPONENT-Cb : J5004
COMPONENT-Cr : C5160
(VIDEO B'D)
Check the signal output from video selector
IC (IC511 , IC516).
(VIDEO B'D) to DIGITAL B'D
V : BN21B-17pin
OMPONENT-Y : BN21B-15pin
COMPONENT-Cb : BN21B-13pin
COMPONENT-Cr : BN21B-11pin
MONITOR OUT
Defective connection of FRONT CNT B'D (BN21B) or
FRONT CNT B'D pattern aw
NO
NO
NO
YES
YES
YES
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