Harmon Kardon AVR 1700 old firmware. Please help Discussion in 'AV Receivers' started by alirz, Apr 6, 2015. Message #1 of 4 Apr 6. The problem is that once the unit it goes into this deep sleep, it doesn't turn on automatically along with other HDMI devices, it also stops powering any USB device (Chromcast) that is plugged into it, at. Find helpful customer reviews and review ratings for Harman Kardon AVR 1700 5.1. I did find a software update on HK's website which I performed. You have to go.
Software Update For Windows
Posted by5 years ago
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I'm trying to extract firmware for the Harman Kardon AVR 1700, with the eventual goal of modifying it but mostly just for fun. (This is a networked receiver and it has a remote app that can be used to control the device. Unfortunately, it's horribly unreliable, and I'd much prefer to get shell access to the device and write some basic software to be able to control it remotely from my computer.)
There's a firmware update available here (EU version is numbered 170 but otherwise identical), which I installed recently. This is a fairly small file (~3MB unpacked), so I'm not sure whether it contains the full firmware or I'm just not used to the small size of embedded OS's. Binwalk unfortunately doesn't tell me anything useful about the structure of the file (the XML doc it finds is just a small fragment):
Nmap tells me it runs an OS that's shared across a number of receivers:
Harman Kardon Avr 1700 Review
This led me to this post where someone is trying reverse engineer a Pioneer VSX-822 and can't identify the file type of the firmware image. I'm basically in the same boat I think, and the answers there suggest the firmware is encrypted.
Anyone have any ideas how to proceed? I'm quite new at fiddling with embedded systems, although I have a lot of coding experience (including some low-level OS dev and assembler). I don't have any hardware/electrical experience to speak of, so e.g. pulling the flash off the board and dumping it is probably more than I'm up for, unless that's simpler than it sounds and someone can point me to some clear instructions somewhere. Any help greatly appreciated!
10 comments
Control and enhance your Harman Kardon products with this remote control and music player app. This is the centerpiece of your Harman Kardon ecosystem.
Highlights:
> Device Remote Control
Easily control all of your network-enabled Harman Kardon products.
> Music Streaming
Wirelessly stream content to your Harman Kardon products.
> Music Player
Manage your music content with custom playlists then play and control it straight from the app.
Compatible Models: SB26, Sabre SB35, Aura, Onyx, AVR 170, AVR 1700, AVR 270, AVR 2700, AVR 370, AVR 3700, AVR151, AVR1510, AVR161, AVR1610, AVR171, AVR1710, BDS 275, BDS 575, BDS 277, BDS 577, BDS 280, BDS 580, BDS x35 and AVRs 151S, 161S, 171S, 1510S, 1610S, 1710S
Visit harmankardon.com and check for the latest firmware update for your Harman Kardon product to assure compatibility with this app.
Note that Harman Kardon products using wired network connections only, such as the AVR x70 Series A/V receivers and the Harman Kardon BDS x75/77 Series home theater systems need a wired Ethernet connection to your home network access point (router) in order to be discovered by this app. Control Wi-Fi-enabled products such as the AVR 370, AVR 3700 by connecting the product to your home network via wire or wirelessly.
Highlights:
> Device Remote Control
Easily control all of your network-enabled Harman Kardon products.
> Music Streaming
Wirelessly stream content to your Harman Kardon products.
> Music Player
Manage your music content with custom playlists then play and control it straight from the app.
Compatible Models: SB26, Sabre SB35, Aura, Onyx, AVR 170, AVR 1700, AVR 270, AVR 2700, AVR 370, AVR 3700, AVR151, AVR1510, AVR161, AVR1610, AVR171, AVR1710, BDS 275, BDS 575, BDS 277, BDS 577, BDS 280, BDS 580, BDS x35 and AVRs 151S, 161S, 171S, 1510S, 1610S, 1710S
Visit harmankardon.com and check for the latest firmware update for your Harman Kardon product to assure compatibility with this app.
Note that Harman Kardon products using wired network connections only, such as the AVR x70 Series A/V receivers and the Harman Kardon BDS x75/77 Series home theater systems need a wired Ethernet connection to your home network access point (router) in order to be discovered by this app. Control Wi-Fi-enabled products such as the AVR 370, AVR 3700 by connecting the product to your home network via wire or wirelessly.
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