Denon AVR-S900W Service Manual

PROCEDURE AFTER REPLACING THE MICROPROCESSOR, ETC.
Theprocedureafterreplacingtheu-COM(microprocessor),ashROM,etc.isasfollows.
PCB Name Ref. No. Description
Proce-
dure after
Replace-
ment
Remark
HDMI U1018
R5F56108VNFP 32BIT
B
SOFTWARE: Main
HDMI U1020
R5F5210ABDFP
B
SOFTWARE: Sub
HDMI U1025
MX25L1606EM2I-12G 16M
B
SOFTWARE: DSP ROM
HDMI U1027
MX25L12835FMI-10G 128M
B
SOFTWARE: GUI ROM
HDMI U1041
5M80ZT100C5N TQFP100
B
SOFTWARE: AUDIO PLD
HDMI U1045
5M80ZT100C5N TQFP100
B
SOFTWARE: VIDEO PLD
ProcedureafterReplacement
A :Thesoftwarehasbeenwritten.Thesoftwareisnotwrittenatthetimeofreplacement.
B :Thesoftwarehasbeenwritten.Thesoftwaremayneedtoberewrittenbyversionupdates.Checktheversion.
C :Thesoftwarehasnotbeenwritten.Thesoftwareneedstobewrittenafterreplacement.
See"Firmware Update Procedure"forinformationonwritingthesoftware.
D :Thesoftwarehasbeenwritten.Besuretorewritewiththelatestsoftwareforyourserviceregion.
See"Firmware Update Procedure"forinformationonwritingthesoftware.
FIRMWARE UPDATE PROCEDURE
1. Updating by USB
The latest rmware can be downloaded to a USB memory for updates.
1.1. Connecting to the USB Memory
(1) Preparation
• USB format: Prepare a USB memory formatted in FAT16 or FAT32.
• Do not run the USB memory through a hub.
• Do not connect a computer to the USB port of this unit using a USB cable.
• Do not use an extension cable when connecting the USB unit.
1.2. Unzip Download File
Unzip the downloaded le on your computer.
AVR-XXXXXXX USB_AVR-XXXXXXX_XXXXXXXXXXXX-XXXX.zip
You can nd "
rmwares
" folder after unzipped.
Copy that folder to USB ash drive.
You have to put "
rmwares
" folder on root directly on USB ash drive(memory).
copy to USB flash drive
60

Denon AVR-S900W Specifications

General

Channels	7.2
HDMI Inputs	8
HDMI Outputs	2
Wi-Fi	Yes
Bluetooth	Yes
4K Ultra HD Pass-through	Yes
Dolby Atmos	Yes
DTS:X	No
HDMI Pass-Through	Yes
Input Impedance	47 kOhm
Input Sensitivity	200 mV
THD at rated output	0.08%
Signal-To-Noise Ratio	98 dB
DAC Resolution	24-bit / 192kHz
HDMI Switching	Yes
AirPlay	Yes
DLNA	Yes
Dimensions	17.1 x 6.6 x 13.3 inches
Power Output	90 W
Response Bandwidth	10Hz-100kHz
Output Impedance / Channel	6 Ohm
Inputs	HDMI
Outputs	HDMI
Supported Audio Formats	MP3, WMA, AAC, FLAC, WAV
Supported Video Formats	4K
Output Power / Channel	90W (8 ohms, 20Hz-20kHz, 0.08% THD)