all analogue signals going out means EVERY analogue signal is gone in the TV band. these are now apparently assigned to emergency services in some states.
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Press "display" and make sure the radio is displaying frequency, not time.
Tune the radio frequency you want to add to memory. Press "Memo Set" and observe that "preset" flashes on the display.
Press the number of the memory channel that you want to save to.
Press "Memo Set" and observe that "preset" on the display has stopped flashing.
The frequency is now saved the selected channel.
To do this adjustment, you should enter the service mode option. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. http://electronicshelponline.blogspot.com/ Service mode entry, adjust and exit procedure to many popular brand TVs are given.
old if it has a manual tuner there will be a fine tune adjustment. It would be behind the channel selector knob or in some cases very close. If the tv loses color try this first. re-post if you need more info.
the light polarizer on the blue lcd panel is fried due to excesive dust and heat, and therefore need to be replaced. unfortunately, zenith may not sell individual parts of the optical engine, so you'll have to replace the whole optical engine.
open up the set and on the board there are 2 small potentiometers mounted on the board called Vert-Linerity and Vert Height, I believe the adjustment of the Linerity control will fix your issue
all analogue signals going out means EVERY analogue signal is gone in the TV band. these are now apparently assigned to emergency services in some states.
You don't adjust convergence through a service mode on one of these sets. With a conventional CRT, convergence is done by physically adjusting the convergence rings on the neck of the tube, and the position of the deflection yoke near the bell. You would also need a crosshatch generator to provide the required test pattern for adjustment.
If there is no other problem, he probably touched the focus adjustment in the back of the set. Open up the back and locate the flyback transformer (part with large red wire coming out the top). There will be 2 adjustment controls on it. One should be labeled screen, the other focus. Adjust the focus until crisp.
Have you done the presets on the memory. Do that then select the station you want to wake up to. Hopefully its fm. Per the instruction manuel . Set or adjust the alarm time if necessary. Press the Alarm on/off button if necessary until one of the alarm indicatior either the note or alarm appears on display when the buzzer alarm is selected. While the alarm time display is flashing press the tuner button to select am, fm, or tv band. The selected indicatior appears in the display ( Note : you can only select the band when you have selected wake to music. While the alarm time display is flashing press one of the preset buttons to select the station you wish to hear when the alarm goes off.
Hello
Was wondering if you ever found anything out how to reset the IC Screen Numbers or what the factory numbers all are on the Zenith Rear Projection TV Model # R57W46? I have the same problem ! My 2 year old son, not knowing how he did it cuze only a technecian is suppose to get into this screen, but he did change numbers in the too. I called zenith themselves and no luck ! My screen is bowed , etc..
Any Help ?
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