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Lay the main unit face down. (see Fig.7) 

 

Remove the 4 fixing screws and the pedestal assembly. (see Fig.8) 

 
 
 

Remove the fixing screws and the back cover. (see Fig.9) 

 
 
 

 

 

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You can see the service menu main screen below. You can check SW releases by using this menu. Some 
Video settings can be done. 
 

First press [MENU] button on the remote control, then type “4725” and the Service Main Menu will appear.   

 

To return from Service  Menu  simply press [EXIT] on remote control. 
 

 

 

 

 

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In MB97 project please follow  the update procedure below: 
 

1. The 

files 

mb97_en.bin 
RomBoot.bin 
PM51.bin 
usb_auto_update_D7L.txt  
should be copied directly into root path of an empty flash memory (not in a folder). 
 

2.  Insert flash memory into the TV while  TV is disconnected from AC mains. 

 

3.  Reconnect TV to main power and keep pressing  the OK button on remote until LED starts blinking. 

 

4.  Now SW update is in progress and LED flashes until update is completed. 

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The HOTEL TV is a special mode which restricts some operations of TV. This allows the customer to use the TV in 
hotels,in prisons or in hospitals. The restrictions of a hotel TV are basically given below.  
 
1. The user cannot increase the volume above a specified limit / Volume can be fixed to a certain level 
2. The user could enable headphone direct volume control.  
3. The user cannot reach some menus.  
4. There is panel lock feauture which does not allow the user to use the keypad touch on the TV set when it is 
active.  
5. Start up source position can be limited for the user.  
6. Last status could be used or not  
7. Teletext could be disabled or enabled.  
8. NVRAM data (like service list and user preferences, etc.) could be copied or set via USB device  
9. Pin8 could be used or not

 

 

To enter hotel menu, please press  MENU(M) button on remote control, then key in “7935” and the hidden 
Hotel TV Menu will appear on the screen  

Setting “Hotel Mode” item 'On' activates hotel mode. In other words user can do only what he/she is allowed to do. 
Restriction level can be determined by using other items on menu namely Volume Limit, Panel Button, OSD 
Disable. In hotel mode, users can not reach channel table and install menu so they could not change any program 
information.  
 
Last Status 

 

Setting “Last Status” item to 'On' enable TV open with the closing status. Otherwise, if “Last  
Status” item is set 'Off' TV opens with standby status.  
 
Panel Lock 

 

Enables (Panel Lock = On) or prohibits (Panel Lock = Off) the use of front panel buttons.  
 
RCU Inhibit  
If OFF is selected TV will go on normal operation. If It is ON RCU will not function in any menu(including no menu) 
except this menu. To turn this option OFF later, “hotel TV menu shortcut” (MENU(M)-7-9-3-5) can be used to pop 
up this menu,  
 
Startup Position 

 

Specifies the starting channel when TV is switched ON. May take one of following values:  
 



AUTO  

  TV is opened using standby key or digit keys: Last channel or last external source when TV is turned off  

 



TV  

  TV is opened using standby key: TV channel number that is specified on field Startup Channel  

  TV is opened using digit keys: Corresponding channel  

 



Other external sources (EXT1, HDMI2, PC, FAV, SVHS etc.)  

  TV is opened using standby key or digit keys: Specified external source  

 
Startup Channel 

 

Specifies the starting TV channel’s ID which will be tuned when startup position is TV.

 

 

Sets the maximum value the volume can have. “Volume Limit” can take values between 0-63.