Denon AVR-2313, Service Manual

Page: 86 / 230

86
VIDEO B'D flaw.
B
NO
NO
YES
YES
Extend HDMI B'D using a jig.
The parts between IC4801 is
defective.
The soldering (IC4801) is
defective.
• Monitor Out (V/Component)
The pattern between IC4801
and JK4801 or JK4802 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.
Is the signal output from IC4801(AVDM-2000)?
To Moitor To HDMI out
V : JK4801 Lead J4830
COMPONENT(Y) : JK4802 Lead J4832
COMPONENT(Cb) : JK4802 Lead J4828
COMPONENT(Cr) : JK4802 Lead CN4613 2PIN
w
Is the signal input to
IC4801(AVDM-2000)?
V : C4807 +side
COMPONENT(Y) : J4860
COMPONENT(Cb) : J4816
COMPONENT(Cr) : J4815
(VIDEO B'D)
q
I2C communication wave form
CH1: CLK
CH1: DATA