20 Most Recent Hitachi 65S700 65" Rear Projection HDTV Questions & Answers


Go to MENU>SETUP>UPGRADES. Jot Down Your Software version. Call Customer Support at (800) 448-2244. Give them your current software version, Model number, and TV Serial Number, and they will tell you if you need upgrade. If upgrade needed, they will mail out MMC card with instructions for upgrade.

Hitachi 65S700... | Answered on Feb 14, 2014


Make sure the video input is properly selected with where you have it plugged in

Hitachi 65S700... | Answered on Nov 18, 2013


Make sure that the video cable is connected to the same input that the audio is connected to. (ex. video 1 input matched to audio 1 input) If not that I would replace the video cable.

Hitachi 65S700... | Answered on Nov 18, 2013


Dude stop your making me laugh to hard.

Hitachi 65S700... | Answered on Jul 08, 2010


I have the same problem the tech told me that the picture tube is bad and costly to repair or perhaps not

Hitachi 65S700... | Answered on Jan 09, 2010


software change all the time. If you want everything to work properly you need to keep it up to date. Programs may stop working or freeze up if they are not in sync. It is up to you, but it is a good Idea.

Hitachi 65S700... | Answered on Sep 08, 2009


It is probably a convergence problem which would involve solder work to change convergence i.c.s or if there are not colored shadows around everything it could be a problem with tubes. On a few of these I was able to remove the front grill and take off the small door, and with an insulated screwdriver gently tap on the neck of the tubes with the set on. Now if the picture flickers you have some particles on the filaments of the tubes and sometimes the debris will break free when you perform this, allowing your picture to restore full color and brightness without changing any parts whatsoever. Otherwise, the convergence chips are located on a large metal heatsink and have a generic part number printed on the front of each. Sometimes you have to remove a pressure clip to see it. Hope this helps, Russmann.

Hitachi 65S700... | Answered on Feb 24, 2009


first thing is unplug the set from the wall for 10 min.
Check also carefully to see if one of the buttons on the tv is stuck in the on position.
or if cleanig solution was used on the screen and it ran down onto the switches. if so spray WD40 on them.it will not harm your tv.
Last option is a bad EEPROM.
Thanks Guy9

Hitachi 65S700... | Answered on Jul 08, 2008


hi
You have a convergence problem
If the set has auto focus and will not complete its cycle.
The Auto focus module is bad, (expensive)
If it completes and the problem is still there.
Then check for bad conv. drivers (stk****) or cold solder joint on one or more of the 3 drivers pins.
Guy9

Hitachi 65S700... | Answered on Jul 08, 2008


This is a 15 k frequency sound
It is usually caused by one or more of the components in the High voltage circut,
with the set on and the back off, take pencil with an eracer.
Then push on each of the coils or transformers to see if it stops or diminishes.
if so coat the part with silicone sealer spreading to at least 2 components nearby. let dry.
This may help.
Thanks guy9

Hitachi 65S700... | Answered on Jul 08, 2008


check for loose plugs or bad solder joints on the main circut board.
Espescially on the vertical output I.C.
Thanks guy9

Hitachi 65S700... | Answered on Jul 08, 2008


Okay, I'll try. First, unplug the set for 2 minutes and retry. If you have on-screen-display when this happens, try another input and a different set of patch cables to eliminate any simple problems. Then remove rear cover and peek through to see if tubes are lighting and listen for current to the tubes. There are usually small green and red lamps on the board which will flash upon failure in the set. These are there to direct us to the failed circuit. That should get you started. Good luck, Russmann.

Hitachi 65S700... | Answered on Jun 13, 2008


Oh so it is a used TV set. You may have the leaking CRT coolant dripping onto the printed circuit boards and shorting them out. Have you tried the video inputs yet? If those are bad as well, the DM-1 board could be bad. There really is no definite thing that could cause this I'm afraid. Have the set checked out be a trained tech. Good Luck

Hitachi 65S700... | Answered on Jan 01, 2008


Soooo...execute it

Hitachi... | Answered 2 days ago


Simple answer to volume problem i have found there is a demo button on the tv which automatically turns everything down.

Hitachi... | Answered on Jan 24, 2020

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