LC-20B6E (serv.man8). Public mode setting procedure - Sharp TV Service Manual (repair manual). Page 3

(4) PANEL BUTTON

Inspection process start: Press “VOL-” and “INPUT” at once and turn on the power.

Public password start:    Press “INPUT” and “VOL+” at once and turn on the power.

(5) MENU BUTTON

(6) ON SCREEN DISPLAY

(7) INPUT MODE START

Selection
Default
Function
Exception

Selection between "RESPOND" and "NO RESPOND" (loop provided)
RESPOND
Disabling the set's keys other than POWER

»

  The user control is operative at a start of inspection process, public password regardless of

this setting. (Note)

»

The user control is operative all the time on the adjustment process, inspection process and public mode
setting screens as well as during 

First installation regardless of this setting.

Selection
Default
Function
Exception

Selection between "RESPOND" and "NO RESPOND" (loop provided)
RESPOND
Disabling the MENU key both on the set and the remote controller

»

The MENU button is operative at a start of inspection process and public password regardless of this setting.
(See Note in (4) above.)

»

  The MENU button is operative all the time in the adjustment process and inspection process modes as well

as during First installation regardless of this setting "OFF" and selection is made prohibited.

Selection

Default
Function
Exception

        The inspection process, factory setting adjustment process and public                             

Keys
inoperative
except for
default setting
Remarks

Selection between "YES" and "NO" (loop provided)

YES
"NO" setting: The on-screen display does not appear.

  mode setting screens can appear regardless of this setting.

»

Menu (MENU) [on remote controller and set] (operative when applied in the above exception, however)

»

  TIMER

»

 DISPLAY

»

 

Subtitles

»

"NO" setting:

1 The off-timer (SLEEP TIMER) setting is cleared to --.
2 The no-signal power off (AUTO POWER OFF) setting is cleared to "OFF".
3 The sound mode (SOUND ONLY MODE) setting is changed to "NO" with selection disabled.

Selection

Default
Function

Remarks

Selection between "NORMAL" and selectable input source/selectable channel (loop provided)
→[NORMAL]←→[AV1*]                 ←→[AV2]   ←               [PC]           [TV CH1*]
                                                                                                                                ~...The channel tunes in now.
*The italic-font sources and channels are not selectable depending on the setting.
NORMAL
With the power on, an input source or channel to start with is preset.
In the NORMAL mode, the last memory comes first.

»

In the "NORMAL" setting, the "INPUT MODE FIXED" setting is forced to "NORMAL", which does not allow
the selection.