LC-70LE741E (serv.man10). Adjustment - Sharp TV Service Manual (repair manual)

lc-70le741e (serv.man10) service manual
Model
LC-70LE741E (serv.man10)
Pages
64
Size
2.23 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Adjustment
File
lc-70le741e-sm10.pdf
Date

Read Sharp LC-70LE741E (serv.man10) Service Manual online

LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E
5 – 1
LC60LE740E
Service Manual
 
CHAPTER 5. 
ADJUSTMENT
[1] ADJUSTMENT PROCEDURE (LC-60/70LE740E/RU,741E/S,743E)
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: DKEYDF733FM65 (LC-60/70LE740E/RU)
MAIN UNIT: DKEYDF733FM66 (LC-60/70LE741E/S)
MAIN UNIT: DKEYDF733FM68 (LC-60/70LE743E)
NOTE: [Caution when replacing IC (IC2001) in the main unit]
The above IC are Monitor microprocessor.
Before replacing the relevant part, procure the following parts in which the data have been rewritten.
NOTE: [Caution when replacing ICs (IC8401, IC3303) in the main unit]
When replacing either IC8401 or IC3303, exchange MAIN units for DKEYDF733FM65 (LC-60/70LE740E/RU), DKEYDF733FM66 (LC-60/
70LE741E/S) DKEYDF733FM68 (LC-60/70LE743E).
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.
3) It is completed with OK displayed.
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.
10)After setting [MODEL NAME] [PANEL_SIZE], unplug the AC power cord and plug it back in.
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.
IC2001
RH-iXD241WJNWQ
Monitor microprocessor
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E
5 – 2
2. Entering and exiting the adjustment process mode
1)  Unplug the AC power cord of running TV set to force off the power.
2) While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power to turn on the power.
The letter “K” appears on the screen. This state is in Inspection mode.
3) 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.
4) 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 controller, once unplug the AC power cord and plug it in again. In this case, wait for 20 seconds or
so after unplugging.)
3. Remote controller 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.
4. Description of display
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 controller key
Main unit key
Remote controller 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→ etc...)
OK 
Executing a function
RETURN
Returning to a present page
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/etc. 
⋅⋅⋅
(3)
Present colour system
AUTO/N358/N443/PAL/SECAM/480i/580i/1080i/50 etc. 
⋅⋅⋅
(4)
Inducing display
EUROPE/RUSSIA/SWEDEN
(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 2011/**/** )
xxxxxxx
xxxxxxx
xxxxxxxx/xxxx
xxxxxxx
xxxxx/YES
xxxxxxx
0
1)xxxxxx 2)xxxxxx
3)xxxxxx 4)xxxxxx
0
0 0 0 0
1/21
INPUT1
AUTO
EURO
MAIN Version
BOOT Version
Monitor Version
T-CON Version/LED CON Version
NET TV KEY/MAC
CI+INFO/SECURE BOOT
FRC Version
xxxxxxx
xxxxxxx
MARLIN
WMDRM
LAMP ERROR
xxxxxxx
IR Micom Version
MONITOR ERR CAUSE
NORMAL STANDBY CAUSE
ERROR STANDBY CAUSE
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E
5 – 3
5. List of 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
[INFO]
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/LED CON Version
5
NET TV KEY / MAC
xxxxxxx
NET TV KEY / MAC Address
6
CI+INFO/SECURE BOOT
xxxxx/YES
CI+ Key Information/SECURE BOOT
7
MARLIN
xxxxxxx
8
WMDRM
xxxxxxx
9
FRC Version
xxxxxxx
10
IR Micom 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
[INIT]
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
[TUNER ADJ]
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
14
TUNER signal level adjustment
8
TUNER CONTRAST D_GAIN
2048
TUNER signal level adjustment
9
TUNER CONTRAST OFFSET
256
TUNER signal level adjustment
4/21
[PAL MAIN]
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
2048
PAL contrast adjustment
6
PAL CONTRAST OFFSET
256
PAL contrast adjustment
7
SECAM CONTRAST A_GAIN
14
SECAM contrast adjustment
8
SECAM CONTRAST D_GAIN
2048
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
2048
N358 contrast adjustment
12
N358 CONTRAST OFFSET
256
N358 contrast adjustment
5/21
[CEC TEST]
1
HDMI CEC TEST
Enter
HDMI CEC test
2
HDMI EDID WRITE
Enter
HDMI EDID WRITING
3
INSPECT USB TERM
Enter
Reading inspection of USB memory terminal  
4
MONIDATA READ[TEMP/OPC]
OFF
MONITOR Temperature/ OPC Acquisition tool.
5
SD CARD TEST
Enter
SD CARD TEST
6
CAUSE RESET
Enter
Reset of standby cause 
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E
5 – 4
6/21
[COMP15KMAIN]
1
COMP15K ALL ADJ
Enter
Component 15K picture level adjustment
2
COMP15K MAIN Y GAIN
140
Y GAIN adjustment value
3
COMP15K MAIN CB GAIN
150
Cb GAIN adjustment value
4
COMP15K MAIN CR GAIN
150
Cr GAIN adjustment value
5
COMP15K Y OFFSET
64
Y OFFSET adjustment value
6
COMP15K CB OFFSET
128
Cb OFFSET adjustment value
7
COMP15K CR OFFSET
128
Cr OFFSET adjustment value
8
COMP15K A_CLAMP
128
COMP15K CLAMP
7/21
[HDTV]
1
HDTV ADJ
Enter
HDTV video level adjustment
2
HDTV Y GAIN
140
HDTV Y GAIN adjustment value
3
HDTV CB GAIN
150
HDTV Cb adjustment value
4
HDTV CR GAIN
150
HDTV Cr adjustment value
5
HDTV Y OFFSET
64
HDTV Y OFFSET adjustment value
6
HDTV CB OFFSET
128
HDTV Cb OFFSET adjustment value
7
HDTV CR OFFSET
128
HDTV Cr OFFSET adjustment value
8
HDTV CR OFFSET A_CLAMP
128
HDTV CR OFFSET CLAMP
8/21
[ANALOG PC]
1
ANALOG PC ADJ
Enter
DVI ANALOG video level adjustment
2
R OFFSET
64
R CUTOFF adjustment value
3
G OFFSET
64
G CUTOFF adjustment value
4
B OFFSET
64
B CUTOFF adjustment value
5
R GAIN
44
R DRIVE adjustment value
6
G GAIN
44
G DRIVE adjustment value
7
B GAIN
44
B DRIVE adjustment value
8
RGB A_CLAMP
44
HRGB CLAMP
9/21
[SCART]
1
SCART RGB ADJ
Enter
SCART RGB level adjustment
2
SCART RGB ADJ (FASTSW)
Enter
SCART RGB ADJ (FASTSW) adjustment
3
SCART R CUTOFF
64
SCART R CUTOFF adjustment value
4
SCART G CUTOFF
64
SCART G CUTOFF adjustment value
5
SCART B CUTOFF
64
SCART B CUTOFF adjustment value
6
SCART R GAIN
44
SCART R GAIN adjustment value
7
SCART G GAIN
44
SCART G GAIN adjustment value
8
SCART B GAIN
44
SCART B GAIN adjustment value
9
SCART A_CLAMP
44
SCART CLAMP
10/21
[LUMAADJ]
1
VCOM ADJ 
64
Common bias adjustment (2D)
11/21
[LEV]
1
R GAIN (LO)
0
R DRIVE adjustment value
2
G GAIN (LO)
0
G DRIVE adjustment value
3
B GAIN (LO)
0
B DRIVE adjustment value
4
R GAIN (HI)
0
R DRIVE adjustment value
5
G GAIN (HI)
0
G DRIVE adjustment value
6
B GAIN (HI)
0
B DRIVE adjustment value
12/21
[M EEP SET]
1
MONITOR TIME OUT
ON
Monitor and the main communication time-out setting
2
MONITOR MAX TEMP
59
MONITOR MAX temperature setting
3
MONITOR EEP READ / WRITE
WRITE
MONITOR EEPROM READ/WRITE Setting/execution
4
MONITOR EEP ADR
0x  0
MONITOR EEPROM arbitrary addressing
5
MONITOR EEP DATA
0x  0
MONITOR EEPROM arbitrary data specification
13/21
[M TEST PATTERN]
1
LCD TEST PATTERN
Pattern with built-in LCD controller display
2
LCD TEST PATTERN1
NOT SUPPORT
3
LCD TEST PATTERN2
OFF
4
LCD TEST PATTERN3
NOT SUPPORT
5
LCD TEST PATTERN4
NOT SUPPORT
Page
Line
Item
Description
Remarks (adjustment detail, etc.)
Page of 64
Display

Download Sharp LC-70LE741E (serv.man10) Service Manual (Repair Manual)

Here you can read online and download Sharp LC-70LE741E (serv.man10) Service Manual in PDF. LC-70LE741E (serv.man10) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp LC-70LE741E (serv.man10) LCD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.