Denon AVR-2313, Service Manual

Page: 85 / 230

85
Input
CVBS,COMPONENT
A
Check on set value of each IC.
VSDA : N3402 4PIN
VSCL : N3402 2PIN
Refer to 86 page.
(HDMI B'D)
Is the signal input to video
decoder (U1302)?
<Input signal>
V : R1309
COMPONENT(Y) : R1306
COMPONENT(Cb) : R1308
COMPONENT(Cr) : R1307
(HDMI B'D)
FRONT CONNECTOR B'D flaw
or defective connection of the
connector.
The parts between
CONNETOR(N3401) and U1302
are defective
VIDEO B'D flaw.
V/COMPONENT : B-
q
REGULATOR B'D flaw.
VIDEO B'D and REGULATOR
B'D and connection of the wire
are defective.
HDMI B'D flaw.
NO
NO
YES
YES
Is the power supply voltage
correctly output?
V+5V : CP4800-4pin
V-5V : CP4800-1pin
(VIDEO B'D)
NO
YES
• Monitor Out (V/COMPONENT)
VIDEO B'D flaw.
V/COMPONENT : B-
w
• HDMI Out
To Troubleshooting " 3.HDMI/
DVI " (Refer to 89 page.)