37GT-27H (serv.man6). Hotel mode - Sharp TV Service Manual (repair manual). Page 2

c) Neither one will be able to get the sound volume in a superior level to the maximum limited in each case.

Procedure:

A)  Press  the volume up or volume down buttons as far as the NVM address displays 0E location.

Hotel 2 Mode: by modifying  the value in 57 address of the NVM .
-When the TV set is switched on by main it starts working in SCART mode.
-When the TV is in STAND-BY mode  and it is connected to a VCR through a 21 pins wire, it may be switched on simply
by SLOW SWITCH (VCR in PLAY mode).
-In these circumstances the Front Panel Control Keys does not work.

Procedure:

A) Press the volume up or volume down buttons (RC) as far as the NVM address  (green Colour) displays “57” location.
Check the NVM value (red colour) displays the NORMAL VALUE . See NVM Table on page 8.

B) Pay Attention: Press  the button 0 (RC) only once. The NORMAL VALUE has been changed to the HOTEL 2 MODE
VALUE now. If the button 0 (RC) is pressed again the NORMAL VALUE is recovered.  For the same reason, if  a wrong
button has been pressed, NORMAL VALUE can be recovered by pressing the same button again.

Hotel 3 Mode: by modifying the value 57 address of the NVM.
-When this it is activated VCR mode is set in all programs.

Procedure:

A) Press the volume up or volume down buttons (RC) as far as the NVM address  (green colour) displays “57” location.
Check the NVM value (red colour) displays the NORMAL VALUE.

B) Pay Attention: Press  the button 1 (RC) only once. The NORMAL VALUE has been changed to the HOTEL 3 MODE
VALUE now. If the button 1 (RC) is pressed again the NORMAL VALUE is recovered. For the same reason, if  a wrong
button has been pressed, NORMAL VALUE can be recovered by pressing the same button again. See NVM Table on
page 8.

Check the Hotel Functions work OK.

                    BUTTON   (RC)         VALUE               SOUND VOL.
                 TO BE PRESSED       STORED               LIMITED TO
                              (4)(3)               (EF)(E7)                       90%
                              (5)(4)               (DF)(CF)                       80%
                                (6)                     (BF)                          73%
                              (6)(5)               (BF)(9F)                       62%