Analog Video - Marantz SR7010 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 voltage being output correctly?
V+5V : CN28B-6 pin
V-5V : CN28B-8 pin
(SIDE CNT PCB)
Check of the I2C control signal for video selector IC
(IC511).
I2C(SCL) : BN21A-9 pin (AVSCL)
I2C(SDA) : BN21A-7 pin (AVSDA)
See the sample waveform
(DIGITAL PCB)
Does the signal input to the video decoder(IC351)?
V
COMPONENT-Y
COMPONENT-Cb
COMPONENT-Cr
(DIGITAL PCB)
· CVBS Monitor Out is NG
COMPONENT Monitor Out is NG ⇒ To B
· HDMI Out is NG ⇒
To Troubleshooting "HDMI/DVI"
MONITOR OUT (CVBS/Cmponent/HDMI) output NG
Input
CVBS
Input
YES
page 102
YES
: R3527
: R3530
: R3528
: R3529
YES
Input
COMPONENT
To A
NO
· Defective connection of SIDE CNT PCB (BN77D).
· REGULATOR (SPEAKER) PCB flaw.
NO
DIGITAL PCB faulty.
NO
· Defective connection of FRONT CNT PCB.
(CN21A)
VIDEO PCB faulty. ⇒ B へ
101