I bought the TV yesturday, and hooked it up tonight. It looks great, but ive heard that it has alot of red push (I dont see it though). Alot of people have said once calibrated properly this tv looks even better. So what do I have to do?
Correcting the color bias on the TV requires one to go into the TV's service menu, something usually reserved for trained Sony technicians, and professional calibrators (and a few adventurous tinkerers on forums like this).
Most HDTVs require in-home calibration these days for the absolute best picture, which woudl probably set you back a few hundred bucks. This is something an informed buyer really should be factoring into their purchase, perhaps even as part of negotiations with the dealer.
Cheap way would be to get an Avia HT DVD and make your tweaks. Also, read the post "Steaming Rat" by Rich Harkness. The best calibration is done by a trained ISF Technician, but you need to let your TV breakin for a month or so before getting it calibrated. BUT, as Bremerton posted, if it ain't broke, don't fix it!
I have the exact same TV and do agree that it looks great. I do see that red push problem and would like to fix it. I have gone into the service menu of my 43" TV many times and feel somewhat comfortable with going into it on my 36" but I am not sure which menu setting it is and how that particular setting works. Any suggestions would greatly be appriciated. Thanks!
To get into the service mode make sure the TV is off, then on the TV's remote,
press [display] then  then [vol +] then [power].
The set will turn on with a lot of green numbers and letters on the screen.
You are now in the service mode. Be extremely careful in the service mode!
The first thing you want to do when you enter the service menu is get familiar
Use  and  on the remote to scroll up and down by variable;
use  and  to scroll up and down by group;
use  and  to change values of the item.
DO NOT CHANGE ANYTHING YET UNTIL YOU ARE COMFORTABLE WITH THE SERVICE MENU
AND YOU HAVE WRITTEN DOWN THE ORIGINAL VALUES FOR EACH REGISTER YOU PLAN TO
CHANGE!!! [Mute] then [Enter] will save the setting into memory. Fixing the
red push problem doesn't require changing variables that will damage or screw
up your TV as long as you stick to the variables listed below!
Once you are familiar with the service menu you can fix the red/green push:
On some Sony models, the group to scroll to is 2170P-4 (using /). If you
can't find this group, just scroll through the individual variables (using
/) until you find RYR, RYB, GYR, and GYB. Use  and  to change the
value of the register (write down the original value first). If you can't find
these variables in the menu, you probably need to get a copy of your set's
In my case:
RYR from 8 to 15. (red)
RYB from 9 to 15. (red)
GYR from 9 to 11. (green)
GYB from 6 to 10. (green)
NOTE that increasing the value decreases the amount of that color!
I used the DVE DVD with its included color filter when making these changes. I
looked through the appropriate color filter while adjusting up and down until
I felt the intensities in the color group looked as similar as possible. If
you don't have the filters, but you are sure you have red or green push
(pretty obvious on some TVs), then just bump the value up until red or green
is not over-saturated, but the filter is still the best way to go.
Press [mute] then [enter] to write into memory.
Afterwards, I noticed a major improvement in the color intensity. Red, blue,
and green were all of equal saturation and flesh-tones looked more natural.
P.S. I also recentered my screen using the variables HPOS and VPOS.
To correct vertical overscan, you'll probably neeed to adjust some of the settings in the 2170D_3 group in Service mode. Try TBLK and BBLK to adjust top and bottom blanking. This stuff controls how much picture is available. VSIZ won't do this. Note that the values for TBLK and BBLK differ according to what zoom setting you're using and what the signal input is.
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