Analog Video - Denon AVR-X4100W Service Manual

2. Analog video

Perform the operation below beforehand.-
b Check it whether connection cable and Monitor are normal.
b VIDEO Convert is set to ON.
b Setting as follows.
V : SAT
COMPONENT : SAT
A
CVBS,COMPONENT
Is the power supply voltage being output correct-
ly?
V+5V : CN28B-6pin
V-5V : CN28B-8pin
(SIDE CNT PCB)
YES
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
(DIGITAL PCB)
YES
Check the input signal to video decoder IC (IC351).
V
COMPONENT-Y
COMPONENT-Cb
COMPONENT-Cr
(DIGITAL PCB)
YES
· CVBS Monitor Out
COMPONENT Monitor Out ⇒ TO B
· HDMI Out ⇒ To Troubleshooting "HDMI/DVI"
MONITOR OUT (CVBS/Cmponent/HDMI) output NG
Input
CVBS
Input
103 page
: R3527
: R3530
: R3528
: R3529
Input
COMPONENT
To A
NO
· Defective connection of SIDE CNT PCB(BN77B).
· REGULATOR(SPEAKER) PCB flaw.
NO
The DIGITAL PCB is faulty.
NO
· Defective connection of FRONT CNT PCB
(CN21A)
The parts between VIDEO PCB flaw. ⇒ TO B
102