MAGNAVOX

Press: [0], [6], [2], [5], [9], [6], then [MENU]

The channels will change, but when you press MENU, the TV will enter the service menu.

Note: The above procedure works only on *SOME* Magnavox TV's

[Menu] = Change Adjustments

To save your changes, press [POWER] on the TV set. "Preset Memory" will appear, then the set will power down.

Note: Before entering service menu mode, make sure you power the TV on, off, and back on from the TV itself (not the remote). This should enable you to use the power-off button on the TV, after you made your changes, allowing you to saving them.

GE / RCA / PROSCAN Televisions

To enter service mode, push and hold the [Menu] button on the set. While holding, push and release the [Power] button, then the [Vol +] button.

You will now have some information on the screen: "P0 V0"

To actually be able to change these values, you must push [Vol +] on the remote so the information reads V76. Then pushing on the Channel +/- will change the "P" value.

P1 - 3 are error codes. If there is a problem with the set that can be self-diagnosed, the "V" will report the code. These codes are available in the RCA repair manual.

P4 - 7 control the horizontal size, shift, vertical size and shift.

You may also find a summary leaflet for the service tech clipped somewhere inside the chassis. The procedures for getting into the service mode, as well as the service items of interest will be there.

Zenith Televisions

Using the television's front panel controls:

To access the service menus, press and hold the menu button, then press and hold the volume down (or volume up) and channel down (or right adjust) so that all three are depressed simultaneously. The standard menu that was displayed will change to one of the service menus. Now the standard controls are used to search through the menus (the remote can be used to do this). Use "select" to choose a menu item and "adjust" to alter the setting. Enter commits to a setting, and menu itself closes the service menu. When menu is pressed again the standard menu will return, unless the three key sequence is used.

Using the television's remote control:

Turn the TV on. Hold down the [MENU] key on the remote until the menu clears or "Welcome to Zenith" appears then release the [MENU] key and within two (2) seconds hit the following five keys:

[9], [8], [7], [6], [ENTER]

-or-

[9], [8], [7], [6], [DISPLAY]

You will now have access to the service menus.

[MENU] = Toggles between two menu pages
[UP], [DOWN] cursor = selects the item for adjustment
[LEFT], [RIGHT] cursor = varies the value
[POWER] = exit service mode and saves any adjustments made

The items are appropriately captioned and the ones of interest should be easily spotted.

Toshiba Televisions

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" Turn the volume all the way down to 0. 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. The service mode will appear. \ -or- Press "MUTE" on the remote. Press "MUTE" on the remote again, but this time continue to press "MUTE". 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. 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. 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.

Sony Plasma Monitors

Turn on the power. Press [Enter], [1], [8], [2], from the remote.

Sony Front Projectors

Tto enter service mode on Sony's Front Projectors use:

[enter], [enter], [up], [down], [enter]

Be sure 'Status' is ON, if 'Status' is OFF, you won't be able to get into service mode.

Service switch - small, round opening in the rear cabinet near the Video inputs or the antenna jack (typically early-90's), push and hold while turning the power on - or if there is no service switch on the rear of the TV use the remote control and press within one second of each other:

[PWR OFF] - [DISP], [5], [VOL+], [PWR ON]

-or-

[PWR OFF] - [DISP], [5], [PWR ON]

-or-

[PWR OFF] - [DISP], [5], [VOL+], [PICTURE], [PWR ON]

The TV will turn on in service mode.

You may need to set the television into 'tuner' mode (instead of Video-1, etc.) before performing the service mode button sequence.

NAVIGATE IN SERVICE MODE
[1] = Moves to Previous Menu Item
[4] = Moves to Next Menu Item
[3] = Adjusts Value Up
[6] = Adjusts Value Down
[MTS] = Toggles Stereo/Mono Audio


SAVE NEW SETTING
[MUTE] followed by [ENTER] to store NEW setting to NVRAM
RESTORE USER SETTINGS
[8],[ENTER] = Restores All *USER* setting to Factory Defaults
RESET VALUES
[0],[ENTER] = Read Default Value from Stored Settings (Reset)
LEAVE SERVICE MODE
[PWR OFF] = Leave Service Mode any settings not written will be in effect until TV is unplugged or a Reset is performed.RETURN TO DEFAULT SETTINGS:

• BEFORE storing NEW settings - unplug TV from wall, wait a few seconds, then plug back in, turn TV set on - All settings not written will have been lost.
• AFTER storing NEW settings - restore original value from list you made of original values before adjustments and store in NVRAM.