Denon AVR-X4200W - Page 103

I2Ccommunicationwaveform
CH1: CLK
CH1: DATA
VIDEO PCB faulty.
B
Extend the DIGITAL PCB using the jig.
Check power supply voltage and I2C control signal of
video selector IC. (IC511)
V+3.3V : J5043
V-5V : J5042
I2C(SCL) : J5046
I2C(SDA) : J5047
(VIDEO PCB)
Power supply IC (IC513) aw.
SIDE CNT PCB(BN28B) aw.
Video selector IC (IC511) faulty.
The circuit between IC511 are faulty.
Defective the soldering IC (IC511) or IC (IC511) aw.
Check the signal input to video selector IC. (IC511)
V : C5107
OMPONENT-Y : J5010
COMPONENT-Cb : J5007
COMPONENT-Cr : J5006
(VIDEO PCB)
Check the signal output from video selector IC. (IC511)
(VIDEO PCB) to MONITOR to DIGITAL PCB
V : J5019 BN21B-17pin
OMPONENT-Y : J5021 BN21B-15pin
COMPONENT-Cb : J5028 BN21B-13pin
COMPONENT-Cr : J5029 BN21B-11pin
MONITOR OUT
Output terminal (JK511 or JK513) or pattern aw.
HDMI OUT
Defective connection of FRONT CNT PCB (BN21B) or
FRONT CNT PCB pattern aw.
NO
NO
NO
YES
YES
YES
YES
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