Marantz AV7701 Service Manual page 94

B
VIDEO B'D flaw.
Extend HDMI B'D using a jig.
q
Is the signal input to
IC511(AVDM-2000)?
V : J5004
COMPONENT(Y) : J5010
COMPONENT(Cb) : J5007
COMPONENT(Cr) : J5040
(VIDEO B'D)
YES
w
Is the signal output from IC511(AVDM-2000)?
V :
COMPONENT(Y) :
COMPONENT(Cb) : J5028
COMPONENT(Cr) : J5029
YES
Monitor Out (V/Component)
The pattern between IC511 and
JK511 or JK513 are defective.
HDMI Out
Connection of VIDEO B'D and
FRONT CNT B'D, or connection
of HDMI B'D and FRONT CNT
B'D is defective.
I2C communication wave form
CH1: CLK
CH1: DATA
NO
The parts between IC511 is
defective.
To Moitor To HDMI out
J5003 CN51B 11pin
J5024 CN51B 9pin
CN51B 7pin
CN51B 5pin
NO
The soldering (IC511) is defective.
94