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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Zenith TV
could you please help me to get info how to access to service mode of
Zenith TV model Z32X31D? thanks |
#2
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Zenith TV
What do need to get into the service menu for? If you have a bad vertical
circuit for example, & you "tweak" the hieght, or linearity, you will foul it all up. Make sure you KNOW you have an EEPROM/Micro, data problem. Anyway, push and hold menu button until it vanishes.. Very quick push 9-8-7-6 enter.. The basics are on the first page, if you want page 2 select factory mode change to 1 and the full setup appears.. When your all thru set the clock, or make sure you turn factory menu back to 0.. I find it easier to set the clock... |
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Zenith TV
Skype_man wrote:
What do need to get into the service menu for? If you have a bad vertical circuit for example, & you "tweak" the hieght, or linearity, you will foul it all up. Make sure you KNOW you have an EEPROM/Micro, data problem. Anyway, push and hold menu button until it vanishes.. Very quick push 9-8-7-6 enter.. The basics are on the first page, if you want page 2 select factory mode change to 1 and the full setup appears.. When your all thru set the clock, or make sure you turn factory menu back to 0.. I find it easier to set the clock... Do I need push the menu button on remote or on TV? |
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Zenith TV By Fletchersite.com
FROM: Fletchersite.com
a.. Sit in front the TV, you will need to be able to access keys on the remote and the TV at the same time. Turn the TV "ON" a.. Turn the volume all the way down to 0. a.. Press and hold the TV's front panel volume down button, and then press and hold the remote's "9" button for about a second. a.. The service mode will appear. \ -or- a.. Press "MUTE" on the remote. a.. Press "MUTE" on the remote again, but this time continue to press "MUTE". a.. While still pressing down on "MUTE", press the "MENU" button on the TV front. Release the "MUTE" button. You should now have an S (for service mode) displayed in the upper right corner. a.. Pressing MENU again should bring up the first service option Pressing the Channel Up/Down keys brings up the different service options. Pressing the Volume Up/Down keys changes the associated HEX value. a.. One you have entered the service mode, you can bring up the various test screens by pressing the "TV/VIDEO" button. For example, to minimize screen non-linearities, press the channel down key until PARA appears on the screen, with the associated default value (this is the parabolic adjustment option). Then, bring up the cross-hatch pattern by repeated pressing of the TV/VIDEO button. You can then use the volume Up/Down buttons to change the PARA settings, this should cause the grid to bow in (concave) and out (convex). Adjust until the grid is the most linear. The numbers 1,2,3,4,5,6 jump to different items. 9 displays SELF CHECK The number 7 displays a grid. There's a blinking cursor in the upper left corner. The numbers 2,4,6,8 move the cursor. 3 cycles the colors (RGB), 5 stops the cursor from blinking, then when you push 2,4,6,8, you are adjusting the convergence at that point for the selected color. Pushing 7 again gives you a "warped" grid for a few moments. Pushing 7 again removes the grid from the screen. If you're attempting to adjust color or geometry errors, you'll need the Video Essentials DVD, Laser Disc or some other source of test material. "Max" wrote in message ... could you please help me to get info how to access to service mode of Zenith TV model Z32X31D? thanks |
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