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#97083 - 11/17/17 03:55 PM Vizio P75-C1 latest firmware bricked my 975!
rbpett Offline
Gunslinger

Registered: 11/04/08
Posts: 21
Hey gang, I have the 975 with 4 devices connected via HDMI, and one cable to the TV. TV is Vizio P75-C1. It did a firmware update a month or so ago, and ever since it can't acquire a "handshake" with the 975. Audio keeps unlocking, and no video to the TV. If I bypass the reciever, all is good. Latest firmware for TV is 3.4.8.5. So far Vizio support hasn't been very helpful. I've told them if they can't find a fix for me I'd like to somehow roll back my firmware. Awaiting a response. Anybody have any thoughts as to what the problem could be?
_________________________
My system:
Outlaw 976 receiver
Wyred 4 Sound Mini MC5 5-channel amp
Vizio 75" P75-C1 4k display
Currently 3.0 surround with 51" Martin Logan ESL for L/R, Martin Logan Motif-X for Center (will do full 5.1 eventually, just haven't had time yet)
Apple TV 4k
Oppo BDP-103 Blu Ray
TiVo Series 4
PS4
Motorola QIP7232 2 Cable Box


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#97084 - 11/18/17 05:43 AM Re: Vizio P75-C1 latest firmware bricked my 975! [Re: rbpett]
EEman Offline
Desperado

Registered: 11/11/09
Posts: 475
Loc: Canton, MI
What vintage is your 975? You can check the SW version of the 975 by pressing Input and Mute buttons together. (DO NOT press Tuner and Mute together as this will perform a factory reset).

SW version 5.3 is the latest that I'm aware of.
_________________________
975/7075/SMS-1
Aperion Verus Grand Towers & Bookshelves, Verus Forte Center, Infinity Surrounds, Ultra-X12
Oppo BDP-103, XBOX360, Xbox One
Samsung 51" Plasma
RR2150 w/Klipsch SCR-2

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#97089 - 11/19/17 06:20 AM Re: Vizio P75-C1 latest firmware bricked my 975! [Re: rbpett]
phalko Offline
Deputy Gunslinger

Registered: 07/21/17
Posts: 1
I have a Vizio M55 (2015 model), Outlaw 975 --> Vizio basically doesn't work. Vizio --> 975 (via HDMI ARC) works about half the time. Welcome to the world of HDMI handshake problems.

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#97797 - 02/17/18 10:31 PM Re: Vizio P75-C1 latest firmware bricked my 975! [Re: rbpett]
73Bruin Offline
Desperado

Registered: 01/01/03
Posts: 498
Loc: Torrance, CA USA
I recently had an electrical incident when hooking up my laptop via HDMI to my older Panasonic Plasma TV. I don't know exactly what happened but I heard a pop and my USB-C to HDMI dongle and HDMI-3 on the Plasma were both fried. Since then I can no longer get a picture from the 975 to the Plasma. Source devices connected directly to the TV work as did the ARC output from the Plasma to the 975. After a lot of effort, I ended up getting a TE HDS-42AVR from Outlaw (which is also an HDMI conditioner per TE). It solved my problems. Of course your results may vary.
_________________________
Living Room 24x18 open 1/2 flight up to a raised dining room/hall 24x12
Outlaw 975 pre-pro running 5.1 system via HDS-42AVR
2 Ch Parasound HCA-1200II amp 205wpc for NHT VT-1.4 mains
Outlaw 750 for NHT VS-1.4 center and 2 NHT SuperZeros rears
Velodyne Servo FX-1200
Panasonic Viera TC-P60ZT60 via HDMI from HDS-42AVR & to the 975 via ARC
Samsung BD-D5500 BluRay via HDMI to HDS-42AVR
Arris 6 Channel whole house DVR via Time Warner Cable via HDMI to HDS-42AVR

Family Room/Kitchen 24x15
Outlaw 1050
NHT SB-2 Main - Outlaw LFM-1 Compact Sub
Squeezebox v3 Classic
Visio 32" HDTV via Arris HD Cable Box

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#98085 - 05/17/18 12:37 PM Re: Vizio P75-C1 latest firmware bricked my 975! [Re: rbpett]
rbpett Offline
Gunslinger

Registered: 11/04/08
Posts: 21
So to follow up on this post, I ended up getting the 976 preamp and swapped the 975 out. Plus all new cables rated for 4k. Problem solved.
_________________________
My system:
Outlaw 976 receiver
Wyred 4 Sound Mini MC5 5-channel amp
Vizio 75" P75-C1 4k display
Currently 3.0 surround with 51" Martin Logan ESL for L/R, Martin Logan Motif-X for Center (will do full 5.1 eventually, just haven't had time yet)
Apple TV 4k
Oppo BDP-103 Blu Ray
TiVo Series 4
PS4
Motorola QIP7232 2 Cable Box


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