Denon AVR-X4000

2. Analog video
Perform the operation below beforehand.
b
Check that the connection cable and the Monitor are normal.
b
Set VIDEO CONVERT ON.
b
Set Function to the CBL/SAT
MONITOR OUT (CVBS/Component/HDMI) output NG
Input
CVBS
To A
Input
COMPONENT
Input
CVBS,COMPONENT
A
Check of the I2C control signal
for video selector IC (IC511).
I2C(SCL) :BN21A-6pin(AVSCL)
I2C(SDA) :BN21A-4pin(AVSDA)
See the sample wave form (98 page).
(DIGITAL B'D)
Check the input signal to video decoder IC (IC121).
V : R1243
COMPONENT-Y : R1245
COMPONENT-Cb : R1244
COMPONENT-Cr : R1246
(DIGITAL B'D)
· Defective connection of FRONT CNT B'D
(CN21A).
·The parts between VIDEO B'D aw.
⇒
To B
· Defective connection of SIDE CNT B'D (BN77B)
· REGULATOR(SPEAKER) B'D aw
DIGITAL B'D aw.
NO
NO
YES
YES
Check power supply voltage.
V+5V : CN28B-6pin
V-5V : CN28B-8pin
( SIDE CNT B'D )
NO
YES
· CVBS Monitor Out
COMPONENT Monitor Out
⇒
To B
· HDMI Out
⇒
To Troubleshooting "HDMI/DVI"
97