Denon AVR-X6400H Service Manual

Use a jig to extend the DIGITAL PCB
A
Check the power supply voltage.
AUDIO/VIDEO PCB
V+3.3V : C3748 +
q
V-5V : C3749 -
w
Check of the I2C control signal for video selector IC
[U3703].
CONNECT-2 PCB
I2C(SCL) : C3732
e
I2C(SDA) : C3733
r
See the sample waveform
Does the signal input to the video selector IC
[U3703]?
V : C3714
t
Component-Y : C3705
y
Component-Cb : C3706
u
Component-Cr : C3707
i
Does the signal output to the video selector IC
[U3703]?
V (to Monitor out) : R3740
o
V (to Z2 Monitor out) : R3731
Q0
V (to DIGITAL PCB) : R3736
Q1
Componnet-Y (to Monitor out) : R3742
Q2
Componnet-Cb (to Monitor out) : R3746
Q3
Componnet-Cr (to Monitor out) : R3750
Q4
Componnet-Y (to DIGITAL PCB) : R3744
Q5
Componnet-Cb (to DIGITAL PCB) : R3748
Q6
Componnet-Cr (to DIGITAL PCB) : R3752
Q7
FFC connection error or contact failure. [N9018]
Power IC [U7524] failure (V-5V).
DIGITAL PCB DV+3.3V, DV5V
FFC connection error or contact failure.
(Between [N90181] and DIGITAL PCB [N6010])
DIGITAL PCB faulty.
Input terminal [K3503 / K3501] faulty, or a fault
occurs between video select IC [U3703].
Input terminal [K3503 / K3501] faulty, or a fault
occurs between video select IC [U3703].
Output terminal [K3503 or K3505] faulty.
TV monitor connection error or contact failure.
q
w
e
r
NO
NO
NO
NO
YES
YES
YES
YES
I2C communication wave form (sample)
CLK
DATA
86
Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-X6400H Specifications

General

Receiver type	Surround
Frequency range	10 - 100000 Hz
Pre-out channels	11.2
Input sensitivity	200 mV
Pre-out connectivity	Yes
Audio output channels	11.2 channels
Signal-to-Noise Ratio (SNR)	100 dB
Power output per channel (1KHz@6 Ohm)	205 W
Power output per channel (20-20KHz@8 Ohm)	140 W
Display	-
HDCP version	2.2
Apple docking	No
Product color	Silver
Audio decoders	DTS:X, Dolby Atmos
Audio formats supported	ALAC, DSD, FLAC, WAV
RS-232 ports	1
Connectivity technology	Wireless
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Internet radio services supported	Deezer, Napster, Spotify, Tidal, TuneIn
HDMI in	8
Composite video in	4
Component video (YPbPr/YCbCr) in	2
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	750 W
Number of HDMI outputs	3

Weight and Dimensions

Depth	393 mm
Width	434 mm
Height	167 mm
Weight	14500 g