How to enter jvc service menu

Press the {MENU} button and go to the User Menu screen, make sure
that 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 to "0" minutes and while it is displayed, simultaneously
press the {VIDEO STATUS} & {DISPLAY} buttons.

- The main service menu will be displayed with choices #1 through #9.
- Press one of the corresponding number keys to enter that menu.

- Use the {CH+} {CH-} buttons to navigate within a 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.

With TV powered ON press: [DISPLAY] and [VIDEO STATUS] on the remote at the same time.
-or- Press the [SLEEP TIMER] key and set the SLEEP TIMER for "0" MIN. While the SLEEP TIMER information is still on screen, press the [DISPLAY] key and [VIDEO STATUS] key of the remote control unit at the same time to enter the SERVICE MENU.
Exit the service menu by twice pressing the [EXIT] key on the remote.

Hello
You wants to get into the service mode of JVC tv, I thinks from your ad and powts this solution.

To get into the service mode of most of JVC TVs do the folloing:

This information is for those that are qualified and trained to do TV repair work. Entering or making changes in service mode by untrained persons can cause significant and permanent damage to your television. If you are not qualified to service your television, please DO NOT ENTER these service menu codes.

Press the {MENU} button and go to the User Menu screen, make sure
that 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 to "0" minutes and while it is displayed, simultaneously
press the {VIDEO STATUS} & {DISPLAY} buttons.

- The main service menu will be displayed with choices #1 through #9.
- Press one of the corresponding number keys to enter that menu.

- Use the {CH+} {CH-} buttons to navigate within a 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.

NOTE: If you are not qualified and familier with adjusting service mode adjustments, Please don't get into it.
OK

Hello
You are looking for its service menu code I thinks and posts this solution.

Most JVC sets have the same procedure to enter its service menu.

Press the {MENU} button and go to the User Menu screen, make sure
that 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 to "0" minutes and while it is displayed, simultaneously
press the {VIDEO STATUS} & {DISPLAY} buttons.

- The main service menu will be displayed with choices #1 through #9.
- Press one of the corresponding number keys to enter that menu.

- Use the {CH+} {CH-} buttons to navigate within a 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.
OK.

Most JVC TV's with HDMI and Digital Input have an optical sensor inside the case to sense if someone is trying to bypass the hardware encryption. My JVC was exposed to sunlight prolonged sunlight and triggered this optical sensor which disabled my HDMI ports. This may be the same situation for you.

JVC HDMI Port Fix

Turn the TV on, and enter the Service Menu. Select 2 for Self Check. Then turn the TV off, and after the fan turns off, unplug the power cord. Reconnect the power cord, turn the TV on, and the HDMI port is re-enabled.


Here's how to get to Service Menu:

Before entering the SERVICE MENU, confirm that the setting
of TV/CATV SW of the REMOTE CONTROL UNIT is at the
"TV" side and the setting of VCR/DVD SW of the REMOTE
CONTROL UNIT is at the "VCR" side. If the switches have not
been properly set, you cannot enter the SERVICE MENU.
1) Press [SLEEP TIMER] key and while the indication of
SLEEP TIMER 0 MIN is being displayed, press
[DISPLAY] key and [VIDEO STATUS] key (Fig.2)
simultaneously.
2) The SERVICE MENU screen of Fig.1 is displayed.
3) Verify what to set in the SERVICE MENU, and set
whatever is necessary (Fig.1).
Refer to the SERVICE ADJUSTMENT for setting.
4) Press the [BACK] key to return the SERVICE MENU.

Try this link: http://www.videohelp.com/dvdhacks/jvc-xv-n322s/5424#30023
1. When "REGION CODE ERROR" shows on screen after you've input your wrong-region DVD you push "ON SCREEN".

2. When the DVD-menu is showing push "ON SCREEN" again and another DVD-menu will appear.

3. Move the arrow over to the clock and press enter. The menu asks for "TIME" and you write 0:00:00 and push enter.

4. You will now see the menu for the movie. Remove the DVD-menu by pushing "ON SCREEN" once. You can now watch the movie.


(Tested and Worked!)


Report this hack (requests/questions/spam/wrong/****).-->
Region code hack posted by Alex2000, October 31 2009:
Your hack is GREAT!
Works fine on the JVC XV-N342 too.
And right for JVC on the ESS chip:
JVC XV-N320, XV-N322, XV-N330, XV-N332, XV-N340, XV-N342
and so on.
Thanks!

Press SLEEP TIMER and, while the indication of (SLEEP TIMER 0 MIN) is being displayed.
press DISPLAY and VIDEO STATUS on the RC simultaneously. Exit: EXIT.

You need to adjust the vertical height in the Service menu.Press the SLEEP TIMER key and set the SLEEP TIMER for ｢0 MIN｣. Then press the DISPLAY key and VIDEO STATUS key of the remote control unit at the same time to enter the Service menu.In SERVICE MENU, press the FUNCTION ▼/▲ key to select any of the SUB MENU items. (The letters of the selected items are displayed in yellow.)You want #2 DEF - go to sub-menu and look for the height adj. FUNCTION / key Setting (adjust) the SETTING VALUE of the SETTING ITEM. When the key is released the SETTING VALUE will be stored (memorized). EXIT key Returns to the previous screen.

If you are in the service mode, pressing the muting button saves the convergence values to memory.