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Model
LC-80UQ10KN (serv.man2)
Pages
78
Size
9.89 MB
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PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-80uq10kn-sm2.pdf
Date

Sharp LC-80UQ10KN (serv.man2) Service Manual ▷ View online

33
LC-80UQ10
2) Reseting the lamp error count
After the lamp and lamp circuit are improved from a trouble, reset the lamp error count. 
(Because the power cannot be turned on, if a lamp error is detected 5 consecutive times)
1) Enter the adjustment process mode, referring to “2. Entering and exiting the adjustment process mode.”
2) Using the cursor (▲/▼) key, move to the cursor to [LAMP ERROR RESET], line 8 on adjustment process mode 
service page 2. 
3) With the cursor (◄/►) keys, select the [LAMP ERROR RESET] value. 
Finally press the cursor (OK), the count is reset. 
Check LAMP ERROR Count on adjustment process mode Page 2.
8. Public Mode
8.1. Starting the Public Mode
1) Method of needing password:
a) While holding down the “INPUT” and “Volume UP” keys on the set at once, plug in the AC power cord to turn 
on the power.
b) Display the Pass Word input screen.
After a while, value of Enter password appears on the screen.
Operation procedure
•  The initial input position is the digit at the left end.
•  For the numeric keys “0” to “9” of R/C, key input is accepted. 
Input of the other keys is prohibited
•  Change “ –” to “ * ” by inputting the numeric key at the input position, and shift the input position rightward one 
digit.
•  When three digits are completely input, the Pass Word is judged.
c) Check the Pass Word by inputting three digits.
If the Pass Word “0” “2” “7”, it shifts to the PUBLIC Mode setting screen.
In another case, the screen is erased, and it operates in the ordinary mode.
6. Special features
1. NORMAL STANDBY CAUSE (Page 1/21)
Display of a cause (code) of the last standby.
The cause of the last standby is recorded in EEPROM whenever it is possible.
Checking this code will be useful in finding a problem when you repair the troubled set.
2. EEP SAVE (Page 21/21)
Storage of EEP adjustment value
3. EEP RECOVER (Page 21/21)
    Retrieval of EEP adjustment value from storage area.
4. MONITOR ERR CAUSE (Page 1/21)
Display of a cause (code) of Error from Monitor microcomputer. 
The cause of Error is recorded in EEPROM whenever it is possible.
Checking this code will be useful in finding a problem when you repair the troubled set.
① This displays Error code and time when the error occurred. 
The latest error is displayed  on “ 1)”  
The error that happens ahead of “1)” is displayed on “2)”. 
② The character depends on the way how to acquire Time Information 
T: Time is acquired from digital broadcasting
  This doesn't contain “Time offset” which is considered a time difference and Daylight-Saving Time, etc....
U: Time is acquired from analog broadcasting (teletext)
B: Accumulation time of Backlight 
  In the case that  Time information cannot be acquired, “B” is displayed .
 Example)   In this example, it is shown that the error occurred 3 times.
  1) 16 T07/01/01 12:03
Error code: 16 (lamp error) 
※It is latest Error. 
Time : 07/01/01 12:03
※Time is acquired from digital broadcasting.
※Time is UTC which doesn't have Time offset.
  2) 16 U01/01/01 04:07
Error code: 16 (lamp error) 
※It is Error that happens ahead of “1)”. 
Time : 07/01/01 04:07
※Time is acquired from analogue broadcasting.
  3) 16 B00000004:11
Error code: 16 (lamp error) 
※It is Error that happens ahead of “2)”. 
Accumulation time : It is displayed that 4:11 have passed after Backlight driving. 
  4) 00 000000000No error ("00" shows that the error is not occurred.)
7. Lamp Error detection
1. Function
    This LCD color TV set incorporates a Lamp error detection feature that automatically turns off the power for safety under 
    abnormal lamp or lamp circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error 
    detection feature is activated for some reason, the following will result.
1)  The power is interrupted in about 500ms after it is turned on.
     (A central icon on the front of the TV flash on and off. : ON for 400ms and OFF for 1600ms.).
2)  If the above phenomenon 1) occurs 5 times, it becomes impossible to turn on the power. 
 (A central icon keep flashing on/off.)
2. Measures
1)  Set the lamp error detection to OFF
Enter the adjustment process mode, referring to “2. Entering and exiting the adjustment process mode.”
The adjustment process mode can ignore “5 times count”
,so If the above phenomenon 1) occurs 1~4 times, the lamp will go out. 
If Lamp Error detection pin [22pin of PD : P3801 / 19pin of IC2002 ] is “High” by a trouble with the lamp and lamp circ
it can boot-up by the adjustment process mode.
Please execute  “Lamp Error detection off-mode”.
Unplug the AC power cord of running TV set to force off the power.
While holding down the “VOL (+)” and “CH ( ∨ )” keys on the set at once,   plug in the AC power cord to turn on the
After a central icon flash off, separate the fingers from key on the set .
Then, you can check the operation to see if the lamp and lamp circuit are in trouble.
If you fail boot-up, retry the procedure.
2)  Resetting the lamp error count
After the lamp and lamp circuit are improved from a trouble, reset the lamp error count.
 (Because the power cannot be turned on, if a lamp error is detected 5 consecutive times)
1)  Enter the adjustment process mode, referring to “2. Entering and exiting the adjustment process mode.”
2) Using the cursor (▲/▼) key, move to the cursor to [LAMP ERROR RESET], 
    Line 8 on adjustment process mode service page 2. 
3)  With the cursor (      ) keys, select the [LAMP ERROR RESET] value. 
Finally press the cursor (OK)., the count is reset. 
Check LAMP ERROR Count on adjustment process mode Page 2.
  Table of contents of adjustment process mode Page 2
INDUSTRY INIT 
Enter
INDUSTRY INIT(-Publicl) 
OFF
Public MODE 
OFF
Center Acutime 
・・・
RESET 
OFF
Backlight Acutime
・・・
RESET 
OFF
LAMP ERROR RESET 
OFF
Resetting to "0"
ADJ PARAM SET 
Enter
VIC XPOS 
0
VIC YPOS
0
VIC SIGNAL TYPE 
MAIN
VIC READ 
OFF
/
Table of contents of adjustment process mode Page 2
8. Public Mode
1. Starting the Public Mode
1)  Method of needing password
a) While holding down the  “INPUT”  and   “Volume UP”  keys on the set at once, plug in the AC power cord to turn on the power.
b)  Display the Pass Word input screen.
After a while, value of Enter password appears on the screen.
Operation procedure
・ The initial input position is the digit at the left end.
・ For the numeric keys “0” to “9” of R/C, key input is accepted. .
Input of the other keys is prohibited
・ Change “  –” to “ * ” by inputting the numeric key at the input position, and shift the input position rightward one digit.
・ When three digits are completely input, the Pass Word is judged.
c)  Check the Pass Word by inputting three digits.
  If the Pass Word “0” “2” “7”, it shifts to the PUBLIC Mode setting screen.
  In another case, the screen is erased, and it operates in the ordinary mode.
2. Exiting the Public Mode Setting screen
・ There are two following ways to exit the Public Mode setting screen.
1)  Turn off the power.
2)  Select “Execution” in the PUBLIC_Mode to execute it.
Activate the restart under the set content. 
Here, the START input SOURCE setting is excluded since this item is referred to only when the power is turned on.
3. Set value of the Public Mode
・ When the shipment setting is done, a set each value in Public Mode is initialized.
(PUBLIC MODE in the process mode Setting of a flag is also initialized)
・ Separately, the shipment beginnings when all except for each set value in Public Mode is initialized are provided 
for a process mode. (INDUSTRY INIT (-Public))
・ Only when turning on the PUBLIC MODE item, each setting is effective.
・ After it decides it with EXECUTE, it AC OFF/ON it to reflect a set value.
4. Basic operation in the Public Mode
5. Operation after “RESET”
Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation).
・ The set contents in the PUBLIC mode are initialized.
・ It does not exit the PUBLIC mode.
・ If “EXCUTE” is not executed, the content that does RESET is not reflected.
Enter password
- - -
Enter password
* - -
Enter password
* * *
Public Mode setting screen.
Vol (+/-) or Cursor (      )
P (+/-)or Cursor (▲/▼)
Decision (ok)
Change or execution of the set value.
Movement to the selected item.
Execution (Used by the items “Execution” and “RESET”.)
/
Public Mode
POWER ON FIXED 
[VARIABLE]
SHUT DOWN MODE 
[NORMAL]
MAXIMUM VOLUME 
[60]
VOLUME FIXED 
[VARIABLE]
VOLUME FIXED LEVEL 
[20]
RC BUTTON 
[RESPOND]
PANEL BUTTON 
[RESPOND]
MENU BUTTON 
[RESPOND]
AV POSITION FIXED 
[VARIABLE]
ON SCREEN DISPLAY 
[YES]
INPUT MODE START 
[NORMAL]
INPUT MODE FIXED 
[VARIABLE]
LOUD SPEAKER 
[ON]
RC PATH THROUGH 
[OFF]
232C POWON 
[DISABLE]
PUBLIC MODE 
[ON]
RESET
EXECUTE
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LC-80UQ10
8.2.
 Exiting the Public Mode Setting screen
There are two following ways to exit the Public Mode setting screen:
1) Turn off the power.
2) 
Select “Execution” in the PUBLIC_Mode to execute it.
Activate the restart under the set content.
Here, the START input SOURCE setting is excluded since this item is referred to only when the power is turned on.
8.3. Set value of the Public Mode
•  When the shipment setting is done, a set each value in Public Mode is initialized.
  (PUBLIC MODE in the process mode Setting of a fl ag is also initialized)
•  Separately, the shipment beginnings when all except for each set value in Public Mode is initialized are provided 
for a process mode. (INDUSTRY INIT (-Public))
•  Only when turning on the PUBLIC MODE item, each setting is effective.
•  After it decides it with EXECUTE, it AC OFF/ON it to refl ect a set value.
• 
8.4. Basic operation in the Public Mode
8.5. Operation after “RESET”
Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation).
•  The set contents in the PUBLIC mode are initialized.
•  It does not exit the PUBLIC mode.
•  If “EXCUTE” is not executed, the content that does RESET is not refl ected.
8. Public Mode
1. Starting the Public Mode
1)  Method of needing password
a) While holding down the  “INPUT”  and   “Volume UP”  keys on the set at once, plug in the AC power cord to turn on the power.
b)  Display the Pass Word input screen.
After a while, value of Enter password appears on the screen.
Operation procedure
・ The initial input position is the digit at the left end.
・ For the numeric keys “0” to “9” of R/C, key input is accepted. .
Input of the other keys is prohibited
・ Change “  –” to “ * ” by inputting the numeric key at the input position, and shift the input position rightward one digit.
・ When three digits are completely input, the Pass Word is judged.
c)  Check the Pass Word by inputting three digits.
  If the Pass Word “0” “2” “7”, it shifts to the PUBLIC Mode setting screen.
  In another case, the screen is erased, and it operates in the ordinary mode.
2. Exiting the Public Mode Setting screen
・ There are two following ways to exit the Public Mode setting screen.
1)  Turn off the power.
2)  Select “Execution” in the PUBLIC_Mode to execute it.
Activate the restart under the set content. 
Here, the START input SOURCE setting is excluded since this item is referred to only when the power is turned on.
3. Set value of the Public Mode
・ When the shipment setting is done, a set each value in Public Mode is initialized.
(PUBLIC MODE in the process mode Setting of a flag is also initialized)
・ Separately, the shipment beginnings when all except for each set value in Public Mode is initialized are provided 
for a process mode. (INDUSTRY INIT (-Public))
・ Only when turning on the PUBLIC MODE item, each setting is effective.
・ After it decides it with EXECUTE, it AC OFF/ON it to reflect a set value.
4. Basic operation in the Public Mode
5. Operation after “RESET”
Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation).
・ The set contents in the PUBLIC mode are initialized.
・ It does not exit the PUBLIC mode.
・ If “EXCUTE” is not executed, the content that does RESET is not reflected.
Enter password
- - -
Enter password
* - -
Enter password
* * *
Public Mode setting screen.
Vol (+/-) or Cursor (      )
P (+/-)or Cursor (▲/▼)
Decision (ok)
Change or execution of the set value.
Movement to the selected item.
Execution (Used by the items “Execution” and “RESET”.)
/
Public Mode
POWER ON FIXED 
[VARIABLE]
SHUT DOWN MODE 
[NORMAL]
MAXIMUM VOLUME 
[60]
VOLUME FIXED 
[VARIABLE]
VOLUME FIXED LEVEL 
[20]
RC BUTTON 
[RESPOND]
PANEL BUTTON 
[RESPOND]
MENU BUTTON 
[RESPOND]
AV POSITION FIXED 
[VARIABLE]
ON SCREEN DISPLAY 
[YES]
INPUT MODE START 
[NORMAL]
INPUT MODE FIXED 
[VARIABLE]
LOUD SPEAKER 
[ON]
RC PATH THROUGH 
[OFF]
232C POWON 
[DISABLE]
PUBLIC MODE 
[ON]
RESET
EXECUTE
35
LC-80UQ10
   
8.6. Setting items (
Items names and selective items are expressed in English)
6. Setting items (* Item names and selective items are expressed in English.)
1) Power ON fixed [POWER ON FIXED]
Option 
“VARIABLE”,“FIXED_ALL”,“FIXED_BODYKEY”or“RCRESPOND” (loop enabled)
Default 
“VARIABLE”
Function 
・ VARIABLE 
:“POWER/RECEPTION” key on TV unit or remote control is enabled
・ FIXED_ALL
:“POWER/RECEPTION” key on TV unit or remote control is disabled. 
・ FIXED_BODYKEY :Only the “MAIN POWER” key on TV unit is disabled
 (The remote control is enabled).
・ RC RESPOND
:The main unit’s POWER switch toggles between ON and Standby
 (the same operation by the remote control).
Key disabled when set
・ OFF TIMER (SLEEP) (※Only when setting to FIXED_ALL )
other than default
Remarks 
When selecting to “FIXED_ALL”, function related standby  factors(see below) doesn't work. and not selecting
  OFF TIMER(Sleep)
  No operation OFF
  No signal OFF (including the power management)
※ These items does not exist according to the model.
If the power button is pressed in the ordinary mode in setting to “FIXED_ALL” and “FIXED_BODYKEY”, 
the caution is displayed for 5 seconds.
When power button on the main unit is pressed
When power button on R/C is pressed
*  The OSD display is an example.
If another ODS is previously displayed, the status is reset (MENU or similar).
2)  Instantaneous current shutdown setting in turning off the power [SHUT DOWN MODE]
Option
“NORMAL”or“QUICK”
Default
NORMAL
Function
・ This function decides whether scanning  digital tuner is enabled or disabled 
when the power is standby.
NORMAL  
:Scanning  digital tuner is  enabled when the power is standby.
QUICK
:Scanning  digital tuner is disable 
 It is possible to put into the standby state instantaneously due to power off input, 
 when the power is standby.
 Immediately, state is a complete standby. 
Remarks
In selecting “QUICK”, the function does not work for the following items
(selection impossible.)
・ ON TIMER, QUICK START, DIGITAL FIXED, etc.
※ These items does not exist according to the model.
3)  Volume maximum level [MAXIMUM VOLUME]
Option
0~60 (loop disabled)
Default
60
Function
The volume cannot be increased more than the adjusted value (the main unit’s speaker only).
Remarks
・ When setting to 59 or less, only the figure is displayed in the normal mode; 
the volume bar is not displayed.
・ The volume of the headphones
 
is limited. 
・ The setting is impossible when VOLUME FIXED is set to FIXED.
4) Volume fixed [VOLUME FIXED]
Option 
“VARIABLE”,“FIXED”,“ACCTRL”or“AC/RCCTRL”(loop enabled)
Default 
“VARIABLE”
Function 
・ VARIABLE
:The volume is not fixed.
・ FIXED
:The volume is fixed to the value adjusted in the volume fixed level.
・ AC CTRL
:The unit starts at the volume specified in the volume fixed level, 
  when power is turned on in the case of the AC-ON only.
・ AC/RC CTRL
:The unit starts at the volume specified in the volume fixed level, 
 when power is turned on in any case.
  (AC->ON, remote control->ON, main utit's key->ON)
Exception 
・ In the adjustment process, the volume can be set to any level regardless of this setting.
Disabled key 
・ VOLUME UP/DOWN    [both remote control and main unit]
when setting to FIXED
・ MUTE    
※Main units's key is enabled for operating menu.
Remarks 
・ [MAXIMUM VOLUME] has priority to [VOLUME FIXED]
 ※When setting to FIXED, Maximum volume is fixed.
・ The volume of the headphones is fixed. 
 or monitor output 
・ When setting to “FIXED”, the volume is not displayed in operating Disabled key 
・ In menu operation, the main unit’s keys (Vol(+/-)) are enabled.
・ Volume level graphic be omitted to volume level number.
・ In setting to FIXED, ONVOL of On TIMER is not selected (Eliminate Item)
・ In setting to AC/RC CTRL, ONVOL of On TIMER i is not selected (Eliminate Item)
No Power off by power button.
No Power off by remote control.
36
LC-80UQ10
6. Setting items (* Item names and selective items are expressed in English.)
1) Power ON fixed [POWER ON FIXED]
Option 
“VARIABLE”,“FIXED_ALL”,“FIXED_BODYKEY”or“RCRESPOND” (loop enabled)
Default 
“VARIABLE”
Function 
・ VARIABLE 
:“POWER/RECEPTION” key on TV unit or remote control is enabled
・ FIXED_ALL
:“POWER/RECEPTION” key on TV unit or remote control is disabled. 
・ FIXED_BODYKEY :Only the “MAIN POWER” key on TV unit is disabled
 (The remote control is enabled).
・ RC RESPOND
:The main unit’s POWER switch toggles between ON and Standby
 (the same operation by the remote control).
Key disabled when set
・ OFF TIMER (SLEEP) (※Only when setting to FIXED_ALL )
other than default
Remarks 
When selecting to “FIXED_ALL”, function related standby  factors(see below) doesn't work. and not selecting
  OFF TIMER(Sleep)
  No operation OFF
  No signal OFF (including the power management)
※ These items does not exist according to the model.
If the power button is pressed in the ordinary mode in setting to “FIXED_ALL” and “FIXED_BODYKEY”, 
the caution is displayed for 5 seconds.
When power button on the main unit is pressed
When power button on R/C is pressed
*  The OSD display is an example.
If another ODS is previously displayed, the status is reset (MENU or similar).
2)  Instantaneous current shutdown setting in turning off the power [SHUT DOWN MODE]
Option
“NORMAL”or“QUICK”
Default
NORMAL
Function
・ This function decides whether scanning  digital tuner is enabled or disabled 
when the power is standby.
NORMAL  
:Scanning  digital tuner is  enabled when the power is standby.
QUICK
:Scanning  digital tuner is disable 
 It is possible to put into the standby state instantaneously due to power off input, 
 when the power is standby.
 Immediately, state is a complete standby. 
Remarks
In selecting “QUICK”, the function does not work for the following items
(selection impossible.)
・ ON TIMER, QUICK START, DIGITAL FIXED, etc.
※ These items does not exist according to the model.
3)  Volume maximum level [MAXIMUM VOLUME]
Option
0~60 (loop disabled)
Default
60
Function
The volume cannot be increased more than the adjusted value (the main unit’s speaker only).
Remarks
・ When setting to 59 or less, only the figure is displayed in the normal mode; 
the volume bar is not displayed.
・ The volume of the headphones
 
is limited. 
・ The setting is impossible when VOLUME FIXED is set to FIXED.
4) Volume fixed [VOLUME FIXED]
Option 
“VARIABLE”,“FIXED”,“ACCTRL”or“AC/RCCTRL”(loop enabled)
Default 
“VARIABLE”
Function 
・ VARIABLE
:The volume is not fixed.
・ FIXED
:The volume is fixed to the value adjusted in the volume fixed level.
・ AC CTRL
:The unit starts at the volume specified in the volume fixed level, 
  when power is turned on in the case of the AC-ON only.
・ AC/RC CTRL
:The unit starts at the volume specified in the volume fixed level, 
 when power is turned on in any case.
  (AC->ON, remote control->ON, main utit's key->ON)
Exception 
・ In the adjustment process, the volume can be set to any level regardless of this setting.
Disabled key 
・ VOLUME UP/DOWN    [both remote control and main unit]
when setting to FIXED
・ MUTE    
※Main units's key is enabled for operating menu.
Remarks 
・ [MAXIMUM VOLUME] has priority to [VOLUME FIXED]
 ※When setting to FIXED, Maximum volume is fixed.
・ The volume of the headphones is fixed. 
 or monitor output 
・ When setting to “FIXED”, the volume is not displayed in operating Disabled key 
・ In menu operation, the main unit’s keys (Vol(+/-)) are enabled.
・ Volume level graphic be omitted to volume level number.
・ In setting to FIXED, ONVOL of On TIMER is not selected (Eliminate Item)
・ In setting to AC/RC CTRL, ONVOL of On TIMER i is not selected (Eliminate Item)
No Power off by power button.
No Power off by remote control.
5)  Volume fixed level [VOLUME FIXED LEVEL]
Option 
0~60(loop disabled)
Default 
20
Function 
The volume is fixed to the adjusted value (the main unit’s speaker only).
Exception
・ In the adjustment process, the volume can be set to any level regardless of this setting.
Remarks
・ When [VOLUME FIXED] is set to “VARIABLE”, the setting cannot be changed.
・ VOLUME can be abbreviated to VOL.
6) Remote control operation [RC BUTTON]
Option 
“RESPOND”,“NORESPOND”or“LIMITED”(loop enabled)
Default 
“RESPOND”
Function 
The operation of the remote control’s keys is set.
RESPOND
:The remote control’s keys in the normal state are enabled.
NO RESPOND
:The remote control’s keys in the normal state are disabled.
  The POWER key (RECEPTION/STANDBY key) is also disabled.
LIMITED 
:only a part of keys (CHANNEL, etc.) is enabled and other keys are disabled.
Exception
・ All the keys are enabled regardless of this setting while entering the adjustment process mode, 
inspection mode or Public Mode setting screen.
Remarks 
The enable keys when setting to “LIMITED” are depended on Model.
7) Main Unit Operation [PANEL BUTTON]
Option
“RESPOND”or“NO RESPOND”(loop enabled)
Default 
“RESPOND”
Function 
・ RESPOND 
:The main unit’s keys are enabled.
・ NO RESPOND 
:The main unit’s keys are disabled excluding the POWER key 
  (RECEPTION/STANDBY key).
Exception 
・ The start operation in the adjustment process mode, inspection mode
 or Public mode 
are enabled regardless of this setting.
・ All the keys are enabled regardless of this setting while entering the adjustment process mode, 
inspection mode or Public Mode setting screen.
・ For the models with the MENU key on the main unit, menu operation is possible regardless of the setting 
during the initial setting when the power is turned on for the first time.
8) Menu operation [MENU BUTTON]
Option 
“RESPOND”or“NO RESPOND”(loop enabled)
Default 
“RESPOND”
Function 
The MENU key on the main unit and remote control is decided whether it is enabled or disabled.
Exception 
・ RESPOND 
:The manu key is enabled.
・ NO RESPOND 
:The manu key is disabled.
:All the keys are enabled regardless of this setting while entering the process mode,
  inspection mode or Public Mode setting screen.
Disabled key excluding
All the direct transition keys to menu display (AUTO PRESET, MANUAL MEMORY and others)
Menu key
※ These keys does not exist according to the model.
when setting to not default
Remarks 
When setting to “NO RESPOND”
・ For the models with the MENU key on the main unit, menu operation is possible 
regardless of the setting while the initial setting when the power is turned on for the first time
9) AV position fixed [AV POSITION FIXED]
Option 
“VARIABLE”or“FIXED”(loop enabled)
Default 
“VARIABLE”
Function
・ VARIABLE
:AV position is not fixed.
・ FIXED
:AV position is  fixed.
:The image/sound adjustment items in the menu are fixed in the selected state.
:When receiving “AV POSITION” of the remote control, only the actual state is displayed, 
 and setting is not changed.
Remarks 
・ When receiving the sound select direct keys (AV POSITION key, OPC, DOLBY key, etc.), 
only the actual state  is displayed; no setting is changed.
※ These keys does not exist according to the model.
・ The settings for the Public mode are retained after the personal data is initialized, 
each item for  the AV position and image/sound adjustment are not initialized.
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