LC-46LE820E (serv.man10). Adjustment - Sharp TV Service Manual (repair manual)

lc-46le820e (serv.man10) service manual
Model
LC-46LE820E (serv.man10)
Pages
19
Size
841.15 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Adjustment
File
lc-46le820e-sm10.pdf
Date

Read Sharp LC-46LE820E (serv.man10) Service Manual online

LC-40/46/52LE820E, LC-40/46LU820E
6 – 1
LC-40LE820E
Service Manual
 
CHAPTER 6. 
ADJUSTMENT
[1] ADJUSTMENT PROCEDURE
1. Adjustment method after PWB and/or IC replacement due to repair
The unit is set to the optimum at the time of shipment from the factory.
If any value should become improper or any adjustment is necessary due to the part replacement, make an adjustment according to the following pro-
cedure.
1. Procure the following units in order to replace the main unit
MAIN UNIT: DKEYDF455FM01
NOTE: [Caution when replacing ICs in the main unit (IC501, IC2002)]
The above ICs are EEPROMs storing the EDID data of PC, and Monitor microcomputer.
Before replacing the relevant part, procure the following parts in which the data have been rewritten.
NOTE: [Caution when replacing ICs in the main unit (IC8401, IC3302)]
When replacing either IC8401 or IC3302, exchange MAIN units for DKEYDF455FM01
Each part should not be individually exchanged.
NOTE: HDMI ROM Writing
After replacing IC1504, execute “HDMI EDID WRITE” on the page 5/21
Please execute it after checking MODEL NAME & INCH SIZE. are correct.
IF MODEL NAME & INCH SIZE. are not correct, set them previously. (Refer to 2)
The ROM data based on information of MODEL NAME & INCH SIZE
1) Enter the process adjustment mode in TV.
2) Use the cursor keys ( / ) and CH keys (
/
) of R/C to select the item [HDMI EDID WRITE] on the page 5/21.
2. After replacing the LCD panel or LCD control/MAIN UNIT, check MODEL NAME in the following procedure.
1) Enter the process adjustment mode in TV.
2) Use the cursor keys ( / ) and CH keys (
/
) of R/C to select the item [MODEL NAME] on the page 21/21.
3) Verify that the Model name is displayed.
4) If the Model name doesn't match, select the values of the Model name with the VOL keys (+/-).
5) After selection in Step 4), press the OK key, and it is completed with OK displayed.
6) Use the cursor keys ( / ) and CH keys (
/
) of R/C to select the item [PANEL_SIZE] on the page 21/21.
7) Verify that the panel size is displayed.
8) If the size doesn't match, select the values of the panel size with the VOL keys (+/-).
9) After selection in Step 8), press the OK key, and it is completed with OK displayed.
3. After replacing the LCD panel or LCD control PWB, adjust the VCOM in the following procedure.
1) Enter the process adjustment mode.
2) Use the cursor keys ( / ) and CH keys (
/
) of R/C to select the item [VCOM ADJ] on the page 10/21.
3) Press the OK key to verify that the adjustment pattern is displayed.
4) Use VOL keys (+/-) of R/C to adjust the flicker in the center of the screen to minimum.
5) When the optimal state is achieved in Step 4, press the OK key to turn the pattern to OFF.
IC501
RH-iXD108WJQZS
PC EDID
IC2002
RH-iXC786WJNJQ
Monitor microcomputer
IC8401
RH-iXC147WJQZQ
Flash
IC3302
RH-iXC951WJQZQ
Main CPU
LC-40/46/52LE820E, LC-40/46LU820E
6 – 2
2. Notes of Touch sensor unit
Touch sensor unit (RUNTKA690WJQZ) is fixed directly in the module glass.
The unit cannot never be recycled when exfoliated from the module glass.
Therefore, please exchange the touch sensor units when the module glass is changed.
Please note the adhesion and mixing of dust for the module glass when the module glass and the touch sensor unit are exchanged.
3. Method of shuts down for Power supply
Please execute the following procedures to shut down Power supply from the state of normal operation.
1) Keep touching the power supply key on the set for 5 seconds from the state of watching.
* The screen disappears when power supply key is touched, but Keep pushing the power supply key. 
2) A central icon lights between 500ms when the power supply shuts down.
Please separate the finger from the power supply key when lighting of a central icon is confirmed
4. Entering and exiting the adjustment process mode
Please execute the following procedures to enter the adjustment process mode when the power supply shuts down. 
1) While holding down the “VOL (-)” and “INPUT” keys on the set at once, touch the power supply key on the set.
Please separate the fingers from key on the set when boot-up is confirmed with lighting of a central icon etc.
After a while, The letter “K” appears on the screen. This state is in Inspection mode.
2) Next, hold down the “VOL (-)” and “CH (
)” keys on the set at once.
Multiple lines of blue characters appearing on the screen indicate that the set is now in the adjustment Process mode.
If you fail to enter the adjustment process mode (the display is the same as normal startup), retry the procedure.
3) To exit the adjustment process mode after the adjustment is done, unplug the AC power cord to force off the power.
(When the power is turned off with the remote controler, once unplug the AC power cord and plug it in again. In this case, wait for 10 seconds or
so after unplugging.)
5. Remote controler key operation and description of display in adjustment process mode.
1. Key operation
Input mode is switched automatically when relevant adjustment is started so far as the necessary input signal is available.
Module glass
40inch: CPNLHA019WE11
46inch: CPNLHA020WJ11
52inch: CPNLHA021WJ11
CAUTION: Use due care in handling the information described here lest the users should know how to enter the adjustment process mode.
If the settings are tampered with in this mode, unrecoverable system damage may result.
Remote controler key 
Main unit key 
Remote controler key Main unit key Function
CH keys (
/
)
CH (
/
)
Moving an item (line) by one (UP/DOWN)
VOL keys (+/-)
VOL (+/-)
Changing a selected item setting (+1/-1)
Cursor ( / )
Turning a page (PREVIOUS/NEXT)
Cursor ( / )
Changing a selected line setting (+10/-10)
INPUT
INPUT
Input source switching (toggle switching) (TV
→EXT1~9, USB)
OK —
Executing 
function
RETURN 
Returning to a present page
LC-40/46/52LE820E, LC-40/46LU820E
6 – 3
6. Description of display
No.
Description
Display specification
(1)
Present page/number of total pages
2char/2char Decimal Number mark.
(2)
Input that has been selected now 
TUNER/DTV/INPUT1/INPUT2/INPUT3/INPUT5/INPUT6/INPUT7
(3)
Present colour system 
AUTO/N358/N443/PAL/SECAM/480i/580i/1080i/50 etc. 
⋅⋅⋅
(4)
Inducing display 
EUROPE
(5)
Inch setting and Model name display 
Inch setting and Model name display
(6)
Item name 
Max. 30 char
(7)
Parameter
Max. 60 char
(1) Present page / number of total pages
(4) Inducing display
(3) Present colour system
(2) Input that has been selected now
(5) Inch setting and Model name display
(6) Item name
(7) Parameter
1.00 (E 2009/**/** )
xxxxxxx
xxxxxxx
xxxxxxxx/xxxx
xxxxxxx
xxxxx/YES
xxxxxxx
xxxxxxx
xxxxxxx
0
1)xxxxxx 2)xxxxxx
3)xxxxxx 4)xxxxxx
0
0 0 0 0
1/21
INPUT1
AUTO
EURO
xxxxx
MAIN Version
BOOT Version
Monitor Version
T-CON Version/LED CON Version
CPLD Version
CI+INFO/SECURE BOOT
FRC-N Auto Script Version
TCON Master/Slave Serial Version
TOUCH SENSOR UCON VERSION
LAMP ERROR
MONITOR ERR CAUSE
NORMAL STANDBY CAUSE
ERROR STANDBY CAUSE
LC-40/46/52LE820E, LC-40/46LU820E
6 – 4
7. Adjustment process mode menu
The character string in brackets [ ] will appear as a page title in the adjustment process menu header.
Page
Line
Item
Description
Remarks (adjustment detail, etc.)
1/21
1
MAIN Version
1xxx (xxxxx)
Main software version
2
BOOT Version
xxxxxxx
BOOT Version.
3
Monitor Version
xxxxxxx
Monitor software version
4
T-CON Version/LED CON Version
xxxxxxxx/xxxx
T-CON/H.264 Version
5
CPLD Version
xxxxxxx
CPLD Version.
7
CI+INFO/SECURE BOOT
xxxxx/YES
CI+ Key Information/SECURE BOOT
8
FRC-N Auto Script Version
xxxxxxx
9
TCON Master/Slave Serial Version
xxxxxxx
10
TOUCH SENSOR UCON VERSION
xxxxxxx
11
LAMP ERROR
0
Number of termination due to lamp error.
12
MONITOR ERR CAUSE
1) xxxxxx 2) xxxxxx
3) xxxxxx 4) xxxxxx
Last error standby cause.
13
NORMAL STANDBY CAUSE
0
Situation that became standby at the end.
(Excluding the error)
14
ERROR STANDBY CAUSE
0 0 0 0
Error standby cause
2/21
1
INDUSTRY INIT
Enter
Initialization to factory settings execution.
2
INDUSTRY INIT (-Public)
OFF
Initialization to factory settings execution.
(Public mode is excluded)
3
PUBLIC MODE
OFF
Public mode ON/OFF setting 
4
Center Acutime
Main operating hours.
5
RESET
OFF
Main operating hours reset.
6
Backlight Acutime
Backlight operating hours.
7
RESET
OFF
Backlight operating hours reset.
8
LAMP ERROR RESET
OFF
Lamp error reset.
9
ADJ PARAM SET
Enter
ADJ PARAM SET
10
VIC XPOS
0
X-coordinate setting for VIC READ
11
VIC YPOS
0
Y-coordinate setting for VIC READ
12
VIC SIGNAL TYPE
MAIN
Signal type setting for VIC READ
13
VIC READ
OFF
Picture level acquisition function
(Level appears in green on the upper right)
3/21
1
TUNER ADJ
Enter
TUNER auto adjustment execution
2
PAL+TUNER ADJ
Enter
PAL TUNER auto adjustment execution
3
TUNER ADJ (SMPTE)
Enter
TUNER auto adjustment execution (SMPTE)
4
PAL+TUNER ADJ (SMPTE)
Enter
PAL TUNER auto adjustment execution (SMPTE)
5
TUNER ADJ (SMPTE CH57)
Enter
TUNER auto adjustment execution (SMPTE CH57)
6
PAL+TUNER ADJ (SMPTE CH57)
Enter
PAL TUNER auto adjustment execution (SMPTE CH57)
7
TUNER CONTRAST A_GAIN
16
TUNER signal level adjustment
8
TUNER CONTRAST D_GAIN
2073
TUNER signal level adjustment
9
TUNER CONTRAST OFFSET
256
TUNER signal level adjustment
4/21
1
PAL ADJ
Enter
PAL adjustment
2
SECAM ADJ
Enter
SECAM adjustment
3
N358 ADJ
Enter
N358 adjustment
4
PAL CONTRAST A_GAIN
14
PAL contrast adjustment
5
PAL CONTRAST D_GAIN
2149
PAL contrast adjustment
6
PAL CONTRAST OFFSET
255
PAL contrast adjustment
7
SECAM CONTRAST A_GAIN
14
SECAM contrast adjustment
8
SECAM CONTRAST D_GAIN
2123
SECAM contrast adjustment
9
SECAM CONTRAST OFFSET
256
SECAM contrast adjustment
10
N358 CONTRAST A_GAIN
14
N358 contrast adjustment
11
N358 CONTRAST D_GAIN
2192
N358 contrast adjustment
12
N358 CONTRAST OFFSET
255
N358 contrast adjustment
Page of 19
Display

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