Denon AVR-X8500H 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
Component-Y (to Monitor out) : R3742
Q2
Component-Cb (to Monitor out) : R3746
Q3
Component-Cr (to Monitor out) : R3750
Q4
Component-Y (to DIGITAL PCB) : R3744
Q5
Component-Cb (to DIGITAL PCB) : R3748
Q6
Component-Cr (to DIGITAL PCB) : R3752
Q7
FFC connection error or contact failure. [N9018]
Power IC [U3701] failure (V-5V).
DIGITAL PCB DV+3.3V, DV5V
FFC connection error or contact failure.
(Between [N9018] 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 [K3502 or K3503] 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
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
84

Denon AVR-X8500H Specifications

General

Channels	13.2
Power Output	150W per channel (8 ohms, 20Hz-20kHz, 0.05% THD)
Frequency Response	10Hz-100kHz (+1, -3dB)
HDMI Inputs	8 (1 front)
HDMI Outputs	3
Dolby Atmos	Yes
DTS:X	Yes
IMAX Enhanced	Yes
HEOS Multi-room	Yes
Wi-Fi	Yes
Bluetooth	Yes
Voice Control	Amazon Alexa, Google Assistant, Apple Siri
Impedance	4-16 ohms
HDR Compatibility	HDR10, Dolby Vision, HLG
Audio Return Channel (ARC)	Yes
Digital Audio Inputs	2 Optical, 2 Coaxial
Analog Audio Inputs	6
Phono Input	Yes
Speaker Connectors	Binding Posts
Supported Audio Formats	MP3, WMA, AAC, FLAC, ALAC, WAV, DSD
Surround Sound Support	Dolby Atmos, DTS:X, Auro-3D
Tuner	AM/FM
Input Sensitivity/Impedance	200 mV / 47 kohms
HDCP Support	2.2
Other Connections	USB, Ethernet, RS-232C
Wireless Connectivity	Wi-Fi, Bluetooth
Signal-to-Noise Ratio	102 dB
DAC	AKM AK4490EQ (32-bit/192kHz)
Total Harmonic Distortion	0.05% (20Hz - 20kHz, 150W)