Denon AVR-X6200W, Руководство по обслуживанию

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I2C communication wave form (sample)
CLK
DATA
Extend DIGITAL UNIT using a jig
A
Check power supply voltage.
AUDIO/VIDEO PCB
V+3.3V : C3748 +
q
V-5V : C3749 -
w
(See page 101 )
Defective connection of N9014.
Power supply IC flaw.
SPEAKER PCB
U6203(V+3.3V), U6204(V-5V)
Defective connection of the connector.
N5909 or N5910
DIGITAL UNIT flaw.
Video selector IC (U3703) flaw.
Check the I2C control signsl of video selector IC
(U3703)
CONNECT-2 PCB
I2C(SCL) : C3732
e
I2C(SDA) : C3733
r
see sample waveform
Check the output signsl from video selector IC (U3703)
V (to Monitor out) ： R3740
o
V (to Z2 Monitor out) ： R3731
Q0
V (to DIGITAL PCB) ： R3736
Q1
Componnet-Y (to Monitor out) ： R3742
Q2
Componnet-Cb (to Monitor out) ： R3746
Q3
Componnet-Cr (to Monitor out) ： R3750
Q4
Componnet-Y (to DIGITAL PCB) ： R3744
Q5
Componnet-Cb (to DIGITAL PCB) ： R3748
Q6
Componnet-Cr (to DIGITAL PCB) ： R3752
Q7
Output terminal (K3503 or 3502) flaw .
Defective connection of TV Monitor or TV Monitor flaw
NO
NO
Input terminal (K3503 / K3501) or the parts of
between video select IC (U3703) flaw.
Check the input signal to video selector IC (U3703)
V : C3714
t
OMPONENT-Y : C3705
y
COMPONENT-Cb : C3706
u
COMPONENT-Cr : C3707
i
NO
NO
YES
YES
YES
YES
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