Denon AVR-X250BT Service Manual

2.1. Items to Be Prepared
(1) Get "AVR-X250BT_Update_Tool.zip" from SDI.
(2) Expand the zip le.
(3) RS-232C cable (9P (Male), Straight).
(4) 8U-210100S : WRITING KIT (OLD JIG : SPK-581 WRITING KIT)
606050028012P : 7P FFC (Straight)
2.2. Connecting the WRITING KIT to This Unit
(1) Check that the power of this unit is off.
(2) Connect the RS-232C cable to the computer and WRITING KIT.
(3) Connect the update terminal of this unit to the WRITING KIT.
(4) Set the WRITING KIT switch.
VCCSEL CNVSS EPM CE DSPBOOT
3.3 H L H H
RESET
5V
3.3V
LOW
HIGH
CNVSS EPM CE DSPBOOT
① Connect the RS-232C cable.
(Straight cable)
↑Top side is contacts of
flexible card cable.
Using the 7P FFC(Straight).
● is 1PIN side.
→ This side is contacts of
flexible card cable.
● is 1PIN side.
② Align the switch in the direction of the arrow.
2.3. Start the update.
(1) While holding down buttons "
TUNER PRESET CH -
", "
TUNE +
" and "
DIMMER
" simultaneously,
press the power button to turn on the power.
Firmware Update
(2) Launch the "ModelName_FW_Update_Program.exe" program le.
(3) Select "PORT".
ModelName_DSP_vXXX.bin
ModelName
ModelName_MCU_vXX_XX.bin
ModelName_OSD1_vXX_XX.bin
ModelName_OSD2_vXXXXXXXX.bin
ModelName_FW_Update_Program.exe
2. How to Update
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
79

Denon AVR-X250BT Specifications

General

Impedance	16 Ω
Receiver type	Surround
Frequency range	10 - 100000 Hz
Pre-out connectivity	Yes
Audio output channels	5.1 channels
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	1 %
Power output per channel (1KHz@6 Ohm)	90 W
Power output per channel (1KHz@8 Ohm)	70 W
Power output per channel (20-20KHz@8 Ohm)	130 W
AirPlay	No
Display	VFD
HDCP version	2.2
Product color	Black
Audio decoders	DTS-HD, DTS-HD Master Audio, Dolby Pro Logic II, Dolby TrueHD
HDMI in	5
Composite video in	2
Digital audio coaxial in	-
Supported graphics resolutions	3840 x 2160
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	330 W
Number of HDMI outputs	1
Connectivity technology	Wired & Wireless
Speakers connectivity type	Clamp terminals

Weight and Dimensions

Depth	319 mm
Width	434 mm
Height	151 mm
Weight	7500 g