JVC Service Mode

Press the {} MENU button and go to the User Menu screen, make sure 

hurt the indicator (arrow) is pointed and highlights the "Picture Control".

The buttons on top of the remote are set to TV & VCR respectively.

Set sleep timer minutes to "0" and while it can display, simultaneously 

press the {STATUS} & {VIDEO} DISPLAY buttons.

The main service menu will display your choices with # 1 through # 9th 

Press one of the number keys to enter Corresponding hurt menu.

Use the {+} CH {CH} buttons to navigate within the menu. 

Use the {VOL +} {VOL-} buttons to change the values. 

Use the {} MUTING button to memorize the changed value. 

Use the {} BACK button to exit the service menu.

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Turn the TV on. 

Using the remote control:

Press the {INFO}} & {MUTE buttons at the same time. 

The Service Menu will be display

Use the number keys to select the category. 

Use the {VOL +} {VOL-} buttons to enter the category. 

NOTE: Some models do not have category selection. 

Use the {+} CH {CH) buttons to select items to be adjusted. 

Use the {VOL +} {VOL-} buttons to change values. 

Press the {INFORMATION} button to exit.

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Turn the TV on. 

Using the remote control:

Press {DISPLAY MODE}} & {PIC buttons at the same time. 

The Service Menu will be display

Use the number keys to select the category. 

Use the {UP} {DOWN} buttons to enter the category. 

Use the {} {LEFT RIGHT} buttons to select items. 

Use the {UP} {} DOWN buttons to change values. 

Press the {DISPLAY} button to exit Twice.

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Press the {} MENU button. 

Select "Clock Set". 

Set clock to 3:21 AM and press "Start Clock". 

While the "Thank You" message is display on screen, press the {} and {MUTE MENU} buttons.

The Service Menu will come up. 

Use {UP DOWN} {} to select items. 

Use {{LEFT RIGHT}} to change values. 

To exit, turn the TV off.

Black Magic Chip for power supply units .

http://qfixit.blogspot.com/2018/04/quick-guide-led-tv-panel-repair.html?m=1

Toshiba Service Mode

Turn the TV on. 

Press the {} MUTE button three times on the remote. 

Press the {} MUTE button again on the remote and-hold. 

Then press the {} MENU button on the TV's front panel. 

Both release buttons 

There Should Be the letter "S" on the upper right of the screen. 

Press the {} MENU button on the TV's front panel again.

You are now in Service Menu. 

Use the {+} or {CH} CH- buttons to select the item. 

Use the {VOL VOL +} and {-} buttons to adjust the value. 

Turn the set off to exit the Service Menu.

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Turn the TV on. 

Press and hold the {} VOL- button on the TV. 

Press and hold the {9} button on the remote. 

The Service Menu will be display.

Use the {+} or {CH} CH- buttons to select the item. 

Use the {VOL VOL +} and {-} buttons to adjust the value. 

Turn the set off to exit the Service Menu.

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LCDs:

Press the {} MENU button on the remote. 

Highlight the "Picture" icon. 

Press the {9} {3} {1} {0} buttons on the remote control.

The Service Menu will be with the Following Display Modes:

"Options" - "Adjustments" - "Selections"

Use the {OK} button to access and navigate through These Modes.

Use to change values {+} {VOL VOL) {P} + {P}

To exit, press the {} MENU button.

SHARP Service Modes

Sharp Aquos LC-80LE632U Service Menu Instructions

1. Turn the LCD on and then unplug the power cable.


2. While pressing and holding the {INPUT} & {VOL -} buttons on the remote, plug the power cable back into the outlet.


3. When it powers up you will see a little "k" appear in brackets.Then on the TV, press the {VOL -} & {CH -} buttons at the same time.


4. The Service Menu will be displayed.
   
   
   • {CH +} & {CH -} buttons navigate through options.
   
   
   • {VOL+} & {VOL-} buttons change values.
   
   
   
   


5. To exit, turn the power off.

Unplug the TV 

Press and hold the {VOL -} & {CH} + buttons. 

While holding the buttons above, plug in the TV. 

The TV will turn on with the Service Menu Display.

There are five category menus: 

Deflection - Signal - Feature - Fixed Value - EEPROM 

Use {CH} + {CH -} buttons to select the category. 

Note: Not all models will have five categories. 

Some will jump to 'Signal' category.

Use {} VOL + to enter the category. 

Use {CH} + {CH -} buttons to select the item to be adjusted. 

Use {VOL VOL +} {-} buttons to adjust the value. 

Turn the set off to exit the Service Menu.

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LCD TVs:

While the LCD is on, unplug the power cable. 

Then while Pressing the {} & INPUT {VOL -}buttons on the remote, the power cable plug back into the outlet. 

When it powers up you will see a little "s" Appear in brackets. 

Then on the TV, press and hold {VOL - CH} & {-}down and release. 

The Service Menu will be display. 

Use {CH} + {CH -} buttons to navigate 

Use {VOL VOL +} {-} buttons to adjust the value. 

Turn the set off to exit the Service Menu.

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Projectors:

Press {INPUT UP} {} {} {DOWN ENTER} {} {MENU} ENTER

buttons on the back of the Projector. 

Now use the remote control to navigate through menus. 

To exit the Service Menu: 

Press {INPUT} {UP} {DOWN} {ENTER} {ENTER} {} MENU

buttons again on the back of the Projector.

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PROJECTOR:

Press {UP} {UP} {DOWN} {} {DOWN LEFT RIGHT} {} {} ENTER

buttons on the Projector (or remote?). 

The Service Menu will be display. 

To exit, turn the Projector Off.

HITACHI Service Mode

RPTVs:

F59 SERIES

Press and hold the {} MENU button on the TV. 
Then press the {MENU 8} {} {} SELECT buttons on the remote. 
To exit, press the {} MENU button on the TV or 
the {} EXIT button on the remote control.

DCAM Mode:

Using the remote control: 
Hold down the {TV} button. 
Press the {} MENU button. 
Press the {INFO} button. 
Release the {TV} button. 
Remote Control Key Functions When In DCAM Mode:

INPUT {} ............. Blue (13x9 adjust) 
{} ............ ASPECT ROM Write 
{DAY / NIGHT} ....... ROM Read .. 
{MENU} .............. Remove Color 
{EXIT} .............. Cross Hatch / Video Mode 
{INFO} .. ............ Green 
{GUIDE Calculation .............} 
{2} ................. Cursor Up 
{5} ................. Cursor Down 
{6} ................. RIGHT cursor 
{4}. ................ CURSOR LEFT 
{0} ................. RED (Adjust 7x5) 
{} .... STOP .......... Initialize 
{PLAY .............. Raster Position} 
{} FAST FORWARD ...... Phase

The DCAM to Exit Mode:

Press and hold the {TV} button. 
Press the {0} button. 
Press the {1} button. 
Release the {TV} button.

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Projectors:

Press the {MENU} & {} RESET buttons And Then press the {} reset button again and hold it for at Least 5 seconds. 
The Service Menu will be display. 
To exit, turn the Projector Off.

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MISC:

1. 
Turn on the TV. 
Press the {MENU MENU} {} {} {8} SELECTbuttons on the remote. 
The Service Menu will be display. 
Use the {UP} {} DOWN buttons to select items. 
Use the {{LEFT RIGHT}} to change the data. 
Press the {} EXIT button to exit the Service Menu.

2. 
Turn the TV off. 
Press and hold the {} INPUT button on the TV Then press {POWER} . 
Hold Both buttons until the TV powers on 
with the Service Menu Display. 
Use the {UP} {} DOWN buttons to select items. 
Use the {{LEFT RIGHT}} to change the data. 
Press the {} EXIT button to exit the Service Menu.

Third

Turn the TV off. 
Press {POWER} & {INPUT} buttons on the TV for more than 3 sec. 
The Service Menu will be display. 
The letter "P" indicates picture and "A" indicates audio. 
Use the {UP} {} DOWN buttons to select items. 
Use the {{LEFT RIGHT}} to change the data. 
Press the {} EXIT key to exit the Service Menu.

Panasonic Service Modes

Panasonic Service Modes

PD60U / PX6U / PX60U / PX600U 
PD50U / PX50U / PX500U

Hold down the {VOL -} button ON THE PLASMA TV. 
Press the {} RECALL button three times on the remote. 
The Service Menu will be display. 
Use {1} {2} one remote to navigate main menu items. 
Use {3} {4} on remote sub-menu items to navigate. 
Use {VOL VOL +} {-} for remote item of value to change. 
Write down all values before changing 
Once the value is changed, THE CHANGE IS MADE. 
Power off to exit service mode and save.

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PA25UP / PD25UP / PX25UP:

Using the remote control: 
Press the {} MENU button. 
Set "Antenna" to "Cable". 
Select "Timer" menu and set the sleep timer to 30 min. 
Press {S} Twice to exit menus. 
Tune to channel 124. 
Press and hold {VOL -} button ON THE PLASMA TV.

"CHK" at Appears in top-left corner Followed by five letter / numbers 
(Which Are the cumulative hours in hex numbers)

* While the "CHK" is display, press the {OK} and {VOL +} buttons 
ON THE TV simultaneously to toggle Between Modes:

Red "CHK" for servicemen, Yellow "CHK" for Aging

Press the {POWER} button on the remote to select one of the six 
servicemen Adjustments Modes.

A MTS ADJUSTMENT 
B CLOCK ADJUSTMENT 
C. VIDEO ADJUSTMENT 
D. HDEF ADJUSTMENT 
E. VDEF ADJUSTMENT 
F. DAF ADJUSTMENT 
G. OTHER ADJUSTMENT

Press * {+} CH {CH -} on the remote to select the settings 
for each of Service Adjustment Modes.

Write down the original values before modifying anything. 
It's easy to adjust the wrong item erroneously.

Press * {VOL VOL +} {-} on the remote to change values. 
* Press the {POWER} button on the TV to exit the service menu.

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PA20UP / PX20UP:

Using the remote control: 
Press the {} MENU button. 
Press the "Setup" menu. 
On "Mode" menu, select "Cable" 
Select "Timer" menu and set the sleep timer to 30 min. 
Press {ACTION} Twice to exit menus. 
Tune to channel 124. 
Press and hold {VOL -} button ON THE PLASMA TV.

"CHK" at Appears in top-left corner Followed by five letter / numbers 
(Which Are the cumulative hours in hex numbers)

While the "CHK" is display, press the {ACTION}and {VOL +} buttons 
ON THE TV simultaneously to toggle Between Modes:

Red "CHK" for servicemen Yellow "CHK" for Aging

Press the {POWER} button on the remote to select one of the six 
servicemen Adjustments Modes.

A MTS ADJUSTMENT 
B CLOCK ADJUSTMENT 
C. VIDEO ADJUSTMENT 
D. HDEF ADJUSTMENT 
E. VDEF ADJUSTMENT 
F. DAF ADJUSTMENT 
G. OTHER ADJUSTMENT

Press {+} CH {CH -} on the remote to select the settings 
for each of Service Adjustment Modes.

Write down the original values before modifying anything. 
It's easy to adjust the wrong item erroneously.

Press {VOL VOL +} {-} on the remote to change values. 
Press the {POWER} button on the TV to exit the service menu.

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LCDs / CRTS / RPTVs:

Hold down the {VOL -} button ON THE TV. 
Press the {} RECALL button three times on the remote. 
The Service Menu will be display. 
Use {1} {2} one remote to navigate main menu items. 
Use {3} {4} on remote sub-menu items to navigate. 
Use {VOL VOL +} {-} for remote item of value to change. 
Write down all values before changing 
Once the value is changed, THE CHANGE IS MADE. 
Power off to exit service mode and save.

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Projectors:

Press the {} MENU button. 
Go to the "Options" menu. 
Highlight "OSD". 
Then press and hold the {ENTER} button, 
until the Service Menu can display. 
Press the {} MENU button to exit.

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Projectors:

Turn on the Projector. 
Press the {POWER} button. 
The "Power Off" confirmation will come up on screen. 
Then press {} {LEFT DOWN UP} {} {} {UP DOWN}& {} ENTER buttons.

The Service Menu will be display. 
To exit, turn the Projector Off.

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PLASMAS 8UK / 9UK:

Hold down the {VOL -} button ON THE PLASMA DISPLAY. 
Press the {} STATUS button three times on the remote. 
(Status button is the one above the Setup button) 
The Menu Service (CAT) will be display. 
(CAT = Computer Aided Test Menu) 
Use the cursors keys on the remote to select the mode. 
And press the Action key {} to access the menu. 
To exit each mode, press the {R} button. 
To exit the CAT menu, press the {STATUS}button. 
Press {} POWER button on the Plasma to exit the service mode.

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PLASMAS 3UY / 4UY / 5UY / 6UY / 7UY:

Hold down the {VOL -} button ON THE PLASMA DISPLAY. 
Press the {} STATUS button three times on the remote. 
(Including the one below Status button Power button) 
The Menu Service (CAT) will be display. 
(CAT = Computer Aided Test Menu) 
Use the cursors keys on the remote to select the mode. 
And press the Action key {} to access the menu. 
To exit each mode, press the {R} button. 
To exit the CAT menu, press the {STATUS}button. 
Press {} POWER button on the Plasma to exit the service mode.