DOWNLOAD Sharp LC-70UD20KN (serv.man4) Service Manual ↓ Size: 3.86 MB | Pages: 94 in PDF or view online for FREE

Model
LC-70UD20KN (serv.man4)
Pages
94
Size
3.86 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-70ud20kn-sm4.pdf
Date

Sharp LC-70UD20KN (serv.man4) Service Manual ▷ View online

45
LC-60UD20
LC-70UD20
13) Speaker ON/OFF selection [LOUD SPEAKER]
Option “ON”or“OFF”(loop 
enabled)
Default ON
Function ON
䠖The sound from the speakers is  output 䠊
OFF
䠖The sound from the speakers is not output even if the headphones are not used.
Remarks • 
䞉 When the VOL(+/-) key is pressed, the mute icon is displayed for 4 seconds.
䞉 For the MUTE key and sound-related keys, caution is displayed.
䞉 For the headphones , normal operation is possible. 
and monitor output sound
14) Remote control path through [RC PATH THROUGH]
Option “OFF”,“ON:TVRCE”or“ON:TVRCD”(loop 
enabled)
Default OFF
Function 
The item decide whether 䡐he signal received by the remotecontrol’slight-receiving section
 is output to the blankpin(9pin) of  RS232C.
䠫䠢䠢
䠖this function is not active.
ON:TVRCE
䠖this function is active, and remote control is active,too
ON:TVRCD
䠖this function is active, but remote control is not active
Exception 
䞉 In the case of “ON:TV RCD”, the start operation in the adjustment process mode, 
inspection mod are enabled regardless of this setting.
䞉 In the case of “ON: TV RCD”,all the keys are enabled regardless of this setting 
while entering the adjustment process mode, inspection mode or Public mode setting screen.
Remarks
䈜 Remote control path through does not exist according to the model.
15) 232C power ON control [232C POWON]
Option “ENABLE”or“DISABLE”(loop 
enabled)
Default DISABLE
Function 
The item decide whether Power ON by the 232C command is enabled/disabled in the standby state.
The same function as 232C command “RSPW”.
ENABLE
䠖POWR0001 is always enabled.
DISABLE
䠖Start-up may be impossible at POWR0001.
( If the 232C command reception module is set to OFF, the command is invalid.)
16) Pulic mode setting [PUBLIC MODE]
Option “OFF”or“ON”(loop 
enabled)
Default OFF
Function 
The item decide whether Public mode setting menu are enabled or disabled.
The same item as [PUBLIC MODE] in the adjustment process menu.
OFF
䠖Public mode is not active
ON
䠖Public mode is active
Remarks
Each operation of the Public mode is impossible unless this item is set to ON.
46
LC-60UD20
LC-70UD20
9. Copy Mode
9.1.Starting the Copy 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 Password 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 Password is judged.
c) Check the Password by inputting three digits.
If the Pass Word “3” “6” “9”, it shifts to the Copy Mode setting screen.
In another case, the screen is erased, and it operates in the ordinary mode.
9.2. Exiting the Copy Mode Setting screen
There is following way to exit the Copy Mode setting screen.
• 
Turn off the power (Unplug the AC power cord from the outlet to forcibly turn off the power.)
9.3. Basic operation in the Copy Mode
9.4. Restriction of Copy Mode
• 
USB thumb drive should be more than 1Mbyte.
• 
File system of USB thumb drive should be FAT(FAT32)
• 
More than one USB thumb drive shouldn’t be connected to TV.
• 
All USB terminals can be valid, but more than one USB thumb drive shouldn’t be connected to TV.
• 
If USB device is detected by TV, focus is not appropriated to items.
• 
In Copy mode(TV→USB) and (USB→TV), following should be mutched.
Vender Name(Fixed)
Key Information (Fixed)
USB Cline Version
Inch Size
Country setting (Factory initialization)
Model Name
Software Version
• 
In each TV, setup of Network and IP control should be set again.
Note:
• 
It is unnecessary to execute “Initial Auto Instration” for Copy Mode.
(Obviously, setting the country is also unnecessary.)
• 
Copy Mode can’t start until the TV recognizes a USB device.
TV takes about 20 seconds to recognizes a USB device after boot-up.
㻥㻚㻌㻯㼛㼜㼥㻌㻹㼛㼐㼑
㻯㼛㼜㼥㻌㻰㼍㼠㼍
㻾㼑㼙㼍㼞㼗㼟
㻱㼚㼠㼑㼞 㼜㼍㼟㼟㼣㼛㼞㼐
㸫 㸫 㸫
㻱㼚㼠㼑㼞 㼜㼍㼟㼟㼣㼛㼞㼐
㸨 㸫 㸫
㻱㼚㼠㼑㼞 㼜㼍㼟㼟㼣㼛㼞㼐
㸨 㸨 㸨
㻥㻚㻌㻯㼛㼜㼥㻌㻹㼛㼐㼑
㻯㼛㼜㼥㻌㻰㼍㼠㼍
㻾㼑㼙㼍㼞㼗㼟
㻼㻌㻔㻗㻛㻙㻕㼛㼞㻌㻯㼡㼞㼟㼛㼞㻌㻔䕦㻛䕰㻕
㻰㼑㼏㼕㼟㼕㼛㼚㻌㻔㼛㼗㻕
㻹㼛㼢㼑㼙㼑㼚㼠㻌㼠㼛㻌㼠㼔㼑㻌㼟㼑㼘㼑㼏㼠㼑㼐㻌㼕㼠㼑㼙㻚
㻱㼤㼑㼏㼡㼠㼕㼛㼚
47
LC-60UD20
LC-70UD20
9.5. Copy data
Copy data is as follows:
9.6. Operating
1) Copy mode (TV→USB)
c
 Execute start in Copy Mode setting screen.
 If USB device is detected by TV,
focus is not appropriated to items.
d
 [Wait…] is displayed while executing it.
When succeeding: Done is displayed
When failing:  
 Failed is displayed.
  Key operation is not valid in copying.
e After success of copy,
unplug the AC power cord from the outlet,please.
2) Copy mode(USB→TV)
c
 Execute start in Copy Mode setting screen.
  If USB device is detected by TV,
focus is not appropriated to items.
d
 [Wait…] is displayed while executing it.
When succeeding: Done is displayed
When failing:  
 Failed is displayed.
  Key operation is not valid in copying.
e
 After success of copy,
unplug the AC power cord from the outlet,please.
㻥㻚㻌㻯㼛㼜㼥㻌㻹㼛㼐㼑
㻯㼛㼜㼥㻌㻰㼍㼠㼍
㻾㼑㼙㼍㼞㼗㼟
㻿㼕㼦㼑㻌㼛㼒㻌㻯㼔㻌㼏㼍㼘㼘
㻯㼍㼞㼐㻌㼟㼘㼛㼠㻌㼟㼑㼘㼑㼏㼠㼕㼛㼚㻌㻿㼑㼠㼠㼕㼚㼓
 
㻭㼘㼜㼔㼍㼎㼑㼠㻌㼟㼛㼞㼠㼟㻌㻌㼐㼛㻛㼚㼛㼠
㻴㻻㻹㻱㻛㻿㼠㼛㼞㼑㻌㻿㼑㼠㼠㼕㼚㼓
㻼㼡㼎㼘㼕㼏㻌㻿㼑㼠㼠㼕㼚㼓
㻿㼛㼡㼚㼐㻌㼙㼡㼘㼠㼕㼜㼘㼑㼤㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻌㼕㼚㻌㼑㼍㼏㼔㻌㻯㼔
 
㻭㼐㼙㼕㼚㼕㼟㼠㼞㼍㼠㼕㼢㼑㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻌㼒㼛㼞㻌㼀㼕㼙㼑㻿㼔㼕㼒㼠
㼂㼑㼚㼐㼛㼞㻌㻵㻰㻘㻌㻼㼞㼛㼐㼡㼏㼠㻌㻵㻰㻘㻌㻿㼑㼞㼕㼍㼘㻌㻵㻰㻌㼒㼛㼞㻌㼟㼠㼛㼞㼍㼓㼑
 
㻯㼛㼙㼙㼡㼚㼕㼏㼍㼠㼕㼛㼚㻓㼟㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚
㻵㻼㻌㼍㼐㼐㼞㼑㼟㼟㻘㻌㻳㼍㼠㼑㼣㼍㼥㻘㻌㻰㻺㻿㻌㼍㼐㼐㼞㼑㼟㼟
㻷㼕㼚㼐㼟㻌㼛㼒㻌㻿㼑㼏㼡㼞㼕㼠㼥㻌㼗㼑㼥㻌㼑㼚㼏㼞㼥㼜㼠㼕㼛㼚㻌㻔㼃㼕㻲㼕㻕
㻭㼏㼏㼑㼟㼟㻌㼜㼛㼕㼚㼠㻌㼕㼐㼑㼚㼠㼕㼒㼕㼑㼞㻌㻔㼃㼕㻲㼕㻕
㻷㼑㼥㻌㼒㼛㼞㻌㼍㼏㼏㼑㼟㼟㻌㼜㼛㼕㼚㼠
㻵㻼㻌㼏㼛㼚㼠㼞㼛㼘㻌㼟㼑㼠㼠㼕㼚㼓㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚
㻰㼑㼢㼕㼏㼑㻌㼚㼍㼙㼑㻘㻌㻸㼛㼓㼕㼚㻌㻵㻰㻘㻌㻼㼍㼟㼟㼣㼛㼞㼐㻘㻌㻯㼛㼙㼙㼡㼚㼕㼏㼍㼠㼕㼛㼚㻌㼜㼛㼞㼠
㻰㼀㼂㻌㼟㼑㼞㼢㼕㼏㼑㻌㼘㼕㼟㼠
㻺㼡㼙㼎㼑㼞㻌㼛㼒㻌㼍㼘㼘㻌㼟㼑㼞㼢㼕㼏㼑㼟
㻯㻴㻌㼘㼕㼟㼠
㻺㼡㼙㼎㼑㼞㻌㼛㼒㻌㼎㼞㼛㼍㼐㼏㼍㼟㼠㼕㼚㼓㻌㼛㼚㻌㼑㼍㼏㼔㻌㼚㼑㼠㼣㼛㼞㼗
㻸㼍㼟㼠㻌㼢㼍㼘㼡㼑
㻸㼍㼟㼠㻌㼚㼑㼠㼣㼛㼞㼗㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻌㻔㻰㼂㻮㻙㼀㻘㻌㻰㼂㻮㻙㻿㻘㻰㼂㻮㻙㻯㻘㻭㼀㼂㻕
㻸㼍㼟㼠㻌㼏㼔㼍㼚㼚㼑㼘㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚
㼂㼛㼘㼡㼙㼑㻘㻌㼣㼕㼐㼑㻌㼙㼛㼐㼑㻘㻌㼍㼚㼐㻌㼟㼡㼎㼠㼕㼠㼘㼑
㻸㼛㼏㼍㼘㻌㼀㼕㼙㼑㻌㻵㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚
㻵㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻌㼠㼔㼍㼠㻌㼏㼛㼞㼞㼑㼏㼠㼟㻌㼼㼄㻌㼠㼕㼙㼑㻌㼍㼓㼍㼕㼚㼟㼠㻌㼁㼚㼕㼢㼑㼞㼟㼍㼘㻌㼀㼕㼙㼑
㼁㼟㼑㼞㻌㻹㼍㼚㼡㻌㻰㼍㼠㼍
㼁㼟㼑㼞㻌㻹㼑㼚㼡㻌㻰㼍㼠㼍㻌㼐㼛㼚㻓㼠㻌㼔㼍㼢㼑㻌㼠㼔㼑㼟㼑㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻚
䠰䡁䡉䡌䡋䡎䠽䡎䡕䚷䠠䠽䡐䠽
㻹㼑㼟㼟㼍㼓㼑㻌㼘㼕㼟㼠㻘㻌䠮㼑㼏㼑㼜㼠㼕㼛㼚㻌㼞㼑㼜㼛㼞㼠㻘㻌㻱㻼㻳㻘㻌䠫㼒㼒㻌㼠㼕㼙㼑㼞㻘㻌䠫㼒㼒㻌㼢㼕㼐㼑㼛㻘㻌㼍㼚㼐㻌㻿㼕㼓㼚㼍㼘㻌㼟㼠㼞㼑㼚㼓㼠㼔
㻼㼑㼏㼡㼘㼕㼍㼞㼕㼠㼥㻌㼐㼍㼠㼍㻌㼒㼛㼞㻌㼀㼂
㻰㻾㻹㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻌㼒㼛㼞㻌㻰㼕㼢㼄㻘㻌㻹㼍㼏㻌㼍㼐㼐㼞㼑㼟㼟㻘㻌㼍㼚㼐㻌㻭㼏㼏㼡㼙㼡㼘㼍㼠㼑㼐㻌㼠㼕㼙㼑㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚
㻯㼛㼚㼚㼑㼏㼠㼑㼐㻌㼑㼝㼡㼕㼜㼙㼑㼚㼠㻌㼕㼚㼒㼛㼞㼙㼍㼠㼕㼛㼚㻌
㻔㻮㼡㼠㻌㼠㼔㼑㻌㼞㼑㼏㼛㼞㼐㼑㼞㻌㼟㼑㼘㼑㼏㼠㼕㼛㼚㻌㼛㼒㻌㼠㼔㼑㻌㻭㻽㼁㻻㻿㻌㻸㻵㻺㻷㻌㼟㼑㼠㼠㼕㼚㼓㻌㼏㼍㼚㻌㼎㼑㻌㼏㼛㼜㼕㼑㼐㻚㻌㻕
physical
address
㻯㼍㼠㼑㼓㼛㼞㼥㻌㼛㼒㻌㼑㼝㼡㼕㼜㼙㼑㼚㼠
㻹㼍㼗㼑㼞㻌㻺㼍㼙㼑
㻯㼛㼚㼚㼑㼏㼠㼑㼐㻌㼙㼛㼐㼑㼘㻌㼚㼍㼙㼑
㻰㼍㼠㼍㻌㼞㼑㼘㼍㼠㼑㼐㻌㼠㼛㻌㼑㼚㼏㼞㼥㼜㼠㼑㼐㻌㼎㼞㼛㼍㼐㼏㼍㼟㼠㼕㼚㼓㻌㻔㻯㻵㻗㻕
㻭㼐㼖㼡㼟㼠㼙㼑㼚㼠㻌㼜㼞㼛㼏㼑㼟㼟㻌㼙㼛㼐㼑㻌㻰㼍㼠㼍
Copy mode
TV ĺ USB                [Start     ]
USB ĺ TV                [Start     ]
Copy mode
Copy mode
Copy mode
Execcute
Success
Fail
Execcute
Success
Fail
Copy mode
Copy mode
Copy mode
Copy mode
TV ĺ USB               [Wait...   ]
USB ĺ TV                [Start     ]
TV ĺ USB                [Done    ]
TV ĺ USB                [Failed   ]
USB ĺ TV                [Start     ]
TV ĺ USB                [Start     ]
USB ĺ TV                [Wait...    ]
USB ĺ TV                [Done     ]
USB ĺ TV                [Failed     ]
USB ĺ TV                [Start     ]
USB ĺ TV                [Start     ]
TV ĺ USB                 [Start     ]
TV ĺ USB                [Start     ]
TV ĺ USB                [Start       ]
48
LC-60UD20
LC-70UD20
10. Video signal adjustment procedure
The adjustment process mode menu is listed in Section 5.
Signal generator level adjustment check (Adjustment to the specifi ed level)
• 
Composite signal PAL    
 
 
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
• 
HDTV signal  
 
 
: Y level  
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
 
 
 
 
 
: PB, PR level   : 0.7Vp-p ± 0.02Vp-p
• 
ANALOG PC(RGB) signal  
: RGB    
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
10.1. Entering the adjustment process mode
Enter the adjustment process mode according to Section 2.
10.2. PAL signal adjustment
Input the following fi xed value on the page 4/30
PAL CONTRAST A GAIN:   14
PAL CONTRAST D GAIN:   2085
PAL CONTRAST OFFSET:  254
10.3. TUNER adjustment
Input the following fi xed value on the page 3/30
TUNER CONTRAST A GAIN:   14
TUNER CONTRAST D GAIN:   4165
TUNER CONTRAST OFFSET:  256
10.4. SECAM adjustment
Input the following fi xed value on the page 4/30
SECAM CONTRAST A GAIN:   14
SECAM CONTRAST D GAIN:   2075
SECAM CONTRAST OFFSET:  256
10.5. ADC adjustment (Component 15K)
       
10.6. ADC adjustment (Component 33K)
1
 Setting
  䞉Feed the COMPONENT 15K 100% full field colour bar signal 
 [Signal]
(100% colour saturation) to EXT3 COMPONENT IN.
 COMP15K, 50Hz(576i/50Hz)
 100% Full field colour bar
 [Terminal]
 EXT3 COMPONENT 
100% white
Black
2
 Auto adjustment
Adjustment process
 Bring the cursor on [COMP15k ALL ADJ] and press [OK]
 performance
 [COMP15k ALL ADJ] 
 [COMP15K ALL ADJ OK] appears when finished.
 page 6/30
Adjustment procedure
 Adjustment point 
 Adjustment conditions
1
 Setting
  䞉Feed the COMPONENT 33K 100% full field colour bar signal 
 [Signal]
(100% colour saturation) to EXT3 COMPONENT IN.
 COMP33K, 50Hz (1080i/50Hz)
 100% Full field colour bar 
 [Terminal]
 EXT3 COMPONENT 
100% white
Black
2
 Auto adjustment
Adjustment process
 Bring the cursor on [HDTV ADJ] and press [OK].
 performance
[HDTV ADJ]
 [HDTV ADJ OK] appears when finished.
 page 7/30
Adjustment procedure
 Adjustment conditions
 Adjustment point 
Page of 94
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