Denon AVR-2311CI Service Manual

64
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 fl aw
HDMI B'D fl 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 specifi ed, A.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
fl 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
㧦
CLK
CH1
㧦
DATA

Denon AVR-2311CI Specifications

General

Brand	Denon
Model	AVR-2311CI
Category	Stereo Receiver
Language	English