1-18 (No.52169)
3.3
REPLACEMENT OF MEMORY IC
This unit uses the nonvolatile memory IC. The memory IC memories data for video-chroma and drive circuits. To replace the memory
IC without the data written, malfunctions might occurred while power is on, and the normal image might not appear. When replacing
the memory IC, be sure to use the IC written with the initial values of data.
3.3.1
PROCEDURE FOR REPLACING THE MEMORY IC
NOTE:
Before entering the SERVICE MODE, confirm that the setting
of TV / CATV SW of the REMOTE CONTROL UNIT is at the
"TV" side and the setting of VCR / DVD SW is at the "VCR"
side. If the switches have not been properly set, you cannot
enter the SERVICE MODE.
(1) Switch the power off and unplug the power cord from the
wall outlet.
(2) Replacing the memory IC. [Be sure to use the IC written
with the initial values of data]
(3) Plug the power cord into the wall outlet and switch the
power on.
(4) Receive channel setting
(5) User setting
Memories the user setting items. The [SETTINGS OF
FACTORY SHIPMENT] setting is as next page.
(6) SERVICE MODE
Check the SERVICE MODE setting items of setting mode
in Table 1, set if necessary. For setting method, please
refer to the [ADJUSTMENT PREPARATION :
ADJUSTMENT PROCEDURE ] of ADJUSTMENT section.
SERVICE MODE SETTING ITEMS
MAIN MENU
MAIN MENU
1.PICTURE/SOUND
2.YC SEP
3.WHITE BALANCE
4.MEMORY SETUP
5.RF AFC
6.DD/CM
7.PANEL
8.PP
9.IP
0.HDMI
Setting items
Settings
Item No.
1. PICTURE/SOUND
(sound and picture setting)
Sound circuits (A)
Fixed
A01~A27
Video circuits (S)
Adjust
S01~S99
Deflection circuits (D)
Fixed
D01~D32
Factory setting items (F)
Adjust
F01~F59
2. YC SEP
3-dimensional YC separation
setting
Adjust
YCM001~YCM185
Fixed
YCS001~YCS114
3. WHITE BALANCE:
Cannot adjust
4. MEMORY SETUP:
Do not adjust
Memory data edit
Fixed
-
5. RF AFC:
AFC setting (Automaticaly set)
6. DD/CM
Panel image processing setting
Adjust
DDT01~DDT34
Fixed
CMT01~CMT57
Fixed
DDP01~DDP37
Fixed
CMP01~CMP03
7. PANEL:
Do not adjust
Panel power limit control
Fixed
PDA001~PDA012
Fixed
PDB001~PDA021
Fixed
RGA001~RGA003
8. PP
Multi-screen processing setting
Adjust
ADM001~ADM034
Fixed
PPA001~PPA008
Fixed
PPB001~PPB036
Fixed
PPC001~PPC008
Fixed
PPD001~PPD025
9. IP
DIST processing setting
Fixed
IPA001~IPA120
Fixed
IPB001~IPB079
Fixed
IPC001~IPC044
Fixed
IPD001~IPD026
Fixed
IPE001~IPE015
0. HDMI
Digital input process setting
Fixed
HDM001~HDM080
Fixed
RHD001~RHD170