Denon AVR-3311CI Service Manual

67
Input
COMPONENT
D
Check of power supply voltage
V+5V : N2004-4pin
V-5V : N2004-1pin
Extend HDMI B'D using a jig.
REGULATOR B'D aw
HDMI B'D aw
NG
NG
OK
OK
Check on set value of each IC.
HDMI B'D
L4900 : Check I
2
C communication
waveforms.
L4901 : Check I
2
C communication
waveforms.
b
Unless specied, VIDEO B'd part.
Check output of selector (U2003).
COMPONENT-Y : JV1
COMPONENT-Cb : JV128
COMPONENT-Cr : JV31
Check cable between main unit
and monitor or check monitor.
Check FRONT CONNECTOR B'D
aw, and connection of FRONT
CONNECTOR B'D or HDMI B'D and
VIDEO B'D.
OK
OK
Check input of selector (U2003).
COMPONENT-Y : JV80
COMPONENT-Cb : JV79
COMPONENT-Cr : JV175
NG NG
Check power supply voltage of
U2003, and surrounding circuitry
soldering.
I2C communication waveforms
CH1
：
CLK
CH1
：
DATA

Denon AVR-3311CI Specifications

General

Brand	Denon
Model	AVR-3311CI
Category	Stereo Receiver
Language	English