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[SOLVED] Raspberry pi works on every TV but my 42" Vizio (device_name=VIZ-VS420LF1A)
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Solved: Raspberry pi works on every TV but my 42" Vizio (device_name=VIZ-VS420LF1A)
23rd Jul, 2013, 12:56 PM
Post: #1
akevit Offline
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Raspberry pi works on every TV but my 42" Vizio (device_name=VIZ-VS420LF1A)
So I am at my wits end. My pi works on every TV but the one in my bedroom, I've swapped HDMI cables, power cables, HDMI ports, etc.

With a freshly formatted SD card (using the Windows installer) the system will show the boot up process then just sit there blank.

I've tried openElec, xbian, raspbmc, and raspbian distros, and the only one that works on this TV is raspbian.

Please let me know if you need me to supply any other info.

1. Version: Xbian 1.0 Beta 1.1
2. No Overclock
3. Using an iPhone 5 charger, should be 1,000mA @ 5v (I have used a multimeter and voltage is around 4.85v)
4. External keyboard plugged in
5. Connected via LAN
6. Using Kingston Mini SD card with SD card adapter: http://www.amazon.com/Kingston-microSDHC-Memory-SDC4-8GBET/dp/B00200K1TS/ref=sr_1_2?s=electronics&ie=UTF8&qid=1374547224&sr=1-2&keywords=8gb+mini+sd
7a. XBMC Log: http://pastebin.com/QRq8kWXk
7b. tvservice dump (parsed): http://pastebin.com/xJtNUJ1q

Just to reiterate, I can take this exact same setup to any other TV in my house and it works just fine. I can SSH into the device so it's definitely booting up, but something is going on with the video.

When I change hdmi_safe=1 it does boot. So where do I go from here?

hdmi_safe=1 (boots)
config_hdmi_boost=4 (no change)
hdmi_force_hotplug=1 (no change)

hdmi_group=2
hdmi_mode=4 (assuming both of these are supposed to be used at the same time, this 'worked' but the resolution is stuck at 640x480p)

also tried hdmi_edid_file=1 combined with sudo /opt/vc/bin/tvservice -d /boot/edid.dat and still no go.
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23rd Jul, 2013, 02:48 PM
Post: #2
akevit Offline
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RE: Raspberry pi works on every TV but my 42" Vizio (device_name=VIZ-VS420LF1A)
FINALLY FIXED

I had to set hdmi_group=1 then had to specify hdmi_mode=31 (1080p @ 50 hz)

Modes 4 and 5 also worked (720p and 1080i respectively), though have not tested playback with these. So far playback in 1080p @ 50hz is working fine though.

Edit: I should add that it was defaulting to mode 6 which was 1080p @ 60hz, for whatever reason this wouldn't work.
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26th Jul, 2013, 08:38 AM
Post: #3
f1vefour Offline
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RE: Raspberry pi works on every TV but my 42" Vizio (device_name=VIZ-VS420LF1A)
(23rd Jul, 2013 02:48 PM)akevit Wrote:  FINALLY FIXED

I had to set hdmi_group=1 then had to specify hdmi_mode=31 (1080p @ 50 hz)

Modes 4 and 5 also worked (720p and 1080i respectively), though have not tested playback with these. So far playback in 1080p @ 50hz is working fine though.

Edit: I should add that it was defaulting to mode 6 which was 1080p @ 60hz, for whatever reason this wouldn't work.

Glad you found a resolution to your problem, could you please mark the thread solved Wink

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