Sharp LC-39LE751EK (serv.man3) Service Manual ▷ View online
33
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
SERVICE ADJUSTMENTS
1. Adjustment method after PWB and/or IC replacement due to repair
The unit is set to the optimum performance 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 adjust-
ment
according
to
the
following
procedure.
1.1. Procure the following units in order to replace the main unit:
MAIN
UNIT
DUNTKG135FNxx
NOTE: [Caution when replacing ICs in the main unit (IC0503, IC1507, IC1508, IC1509, IC1510)]
Before replacing the relevant part, procure the following parts in which the data have been rewritten.
2. Entering and exiting the adjustment process mode. Standard method.
1. By key-unit.
1. Unplug the AC power cord, plug the AC power cord and wait until pyramid led blue is iluminated and then:
2. Press and hold “V-” and “CH-” keys, simultaneously.
3. “SHARP FACTORY MENU” appears (see Figure 1).
4. Unplug the AC power cord to exit of adjustments process.
2. Press and hold “V-” and “CH-” keys, simultaneously.
3. “SHARP FACTORY MENU” appears (see Figure 1).
4. Unplug the AC power cord to exit of adjustments process.
2. By own R/C
1. Turn on the TV set.
2. Press “MENU”.
3. Press “9”, ”9”, ”9”, “2”, “2”, “2” (to enter this code the time is limited to 5 sec. approx.)
4. “SERVICE MENU” appears (see Figure 1).
5. Press ◄/► cursor to select the desired function.
6. Press “OK on boxes to go to submenu.
7. Press “6” to return to “SHARP FACTORY” Main Menu.
8. Press”END” or “MENU” to exit of adjustments mode.
Ref.
Description
Parts code IC + data
Description new IC code for service
IC0503
PC EDID LE65x/75x
RH-IXD660WJZZY
VHIBR24T02J-1Y File: LE65X_VGA_V1.bin
IC1507
HDMI1 EDID LE65x/75x
RH-IXD661WJN1Q
VHIBR24T02J-1Y File: LE65x_HDMI1_v2.bin
IC1508
HDMI3 EDID LE65x/75x
RH-IXD663WJN1Q
VHIBR24T02J-1Y File: LE65x_HDMI3_v2.bin
IC1509
HDMI4 EDID LE65x/75x
RH-IXD664WJN1Q
VHIBR24T02J-1Y File: LE65x_HDMI4_v2.bin
IC1510
HDMI2 EDID LE65x/75x
RH-IXD662WJN1Q
VHIBR24T02J-1Y File: LE65x_HDMI2_v2.bin
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LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
3. Remote control key operation in Service Mode (Adjustment process mode).
The required input mode should be switched previously to enter the Service Mode.
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.
adjustment process mode. If the settings are tampered with in this mode, unrecoverable system
damage may result.
4. Description of display
In fi gure 1 the selected Menu is remarked by CYAN color, but same criteria is valid on internal SubMenus.
Please use the remote keys as is explained in “3. Remote control key operation in Service Mode” to access to all the options
described below.
Please use the remote keys as is explained in “3. Remote control key operation in Service Mode” to access to all the options
described below.
Remote Control key
Keyboard unit
Function
Cursor (◄/►)
Moving an item by one (LEFT/RIGHT) on “Service Menu”.
Moving an item by one (LEFT/RIGHT) on SubMenus.
Moving a Slider Horizontal Bar to select a value on SubMenu Function.
Moving an item by one (LEFT/RIGHT) on SubMenus.
Moving a Slider Horizontal Bar to select a value on SubMenu Function.
Cursor (▼/▲ )
Enter on a SubMenu (▼).
Exit from a SubMenu (▲).
Exit of Service Mode (Adjustment mode).
Exit from a SubMenu (▲).
Exit of Service Mode (Adjustment mode).
OK
Selecting a MENU on “Service Menu”
Selecting a SubMenu.
Executing a function on a SubMenu.
Selecting a SubMenu.
Executing a function on a SubMenu.
MENU
MENU
Exit of Service Mode (Adjustment mode).
Return to “Service Menu” from a SubMenu.
Return to “Service Menu” from a SubMenu.
0..9
Enter numeric data on SubMenu Function.
i
( k / l)
VOL
( k / l)
Volume UP or DOWN.
P (r / s)
CH
(
r
/ s)
Channel UP or DOWN (Only in ATV/DTV mode), otherwise no action.
b
INPUT
No action
System
Data
GUI
Exception
Chassis
Options
Station
list
DVB
EPG
Service
Figure 1: Main Service Adjustment Menu
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LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
4. Description of display (continued)
Service
Menu
SubMenu
Options
1
Options
2
Comments
System
Data
Package
Main
System
Rfs
Opt
Main
Bootloader
Standby
Controller
WiFi
Module
0.1.18.1
1.18.0.0
1.18.0.0
1.18.0.0
0.93.2.0
0.0.23.2
0.0.0.0
MAIN
VERSION
SoC
STM8
VERSION
GUI
Don’t
use
Exception
Write
toUSB
Insert
aUSBFlash
memory
to
capture
the
exception
files
Chassis
Options
Chassis
Dummy
0
Don’t
use
CiOptions
0
0:
normal
operation
1:
disableCiPlus
FactoryMode
0
0:
normal
operation
1:
factorymode(
KMode
on)
InitialInst
0
0:
TVsetstarts
normally
1:
TVsetstarts
with
initial
installation
menu
MpegDeblocking
0
Enable/Disable
mpeg
deblocking
settings
forSD
services.
0:
none
1:
low
2:
medium
3:
high
MpegDeringing
0
Enable/Disable
mpeg
deringing
settings
forSD
services.
0:
none
1:
low
2:
medium
3:
high
NoAudioDelay
0
Disable
allaudio
delay
0:
audiodelay
enabled
1:
audiodelay
disabled
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LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
4. Description of display (continued)
Service
Menu
SubMenu
Options
1
Options
2
Comments
NoAutoPowerOff
0
0:
autopoweroff
enabled
(4h,
without
sync)
1:
allautopower
off
functions
disabled
NoWSS
0
Disable
wide
screen
signaling
(WSS)
evaluation
(Scart
and
analogue
tuner)
0:
WSSevaluation
enabled
1:
WSSinfois
ignored
forvideo
scaling.
Insteadof
WSS
infouser
setting
becomes
active
OldSwVersions
0
Installing
old
software
versions
allowed
0:
normal
operation
Ͳonly
newer
softwareis
accepted
1:
oldersoftwareis
accepted,
too
Panel200Hz
0
Don’t
use
Panel3D
1
Don’t
use
PanelHFlip
0
Don’t
use
PanelVFlip
0
Don’t
use
RC5
ͲMapping
0
Don’t
use
RC5
ͲSubsystem
0
Don’t
use
Service1
0
Don’t
use
SysTimeSource
0
Select
thesource
of
thesystemtime
information
0:
timesource
automatic
1:
usetheinternal
real
timeclock
2:
useNTP
(network
time
protocol)
3:
usethetime
form
DVB
transport
stream
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