JVC LT-26WX84 Service Manual page 17

3.2 MEMORY IC REPLACEMENT
This memory IC stores data for proper operation of the video and
deflection circuits.
When replacing, be sure to use an IC containing this (initial
value) data.
3.2.1 MEMORY IC REPLACEMENT PROCEDURE
(1) Power off
Switch off the power and disconnect the power cord from
the wall outlet.
(2) Replace the memory IC
Initial value must be entered into the new IC.
(3) Power on
Connect the power cord to the wall outlet and switch on the
power.
(4) SERVICE MODE setting
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 of the REMOTE
CONTROL UNIT is at the "VCR" side. If the switches have not
been properly set, you cannot enter the SERVICE MODE.
a) Press [SLEEP TIMER] key and, while the indication
of SLEEP TIMER 0 MIN is being displayed, press
[DISPLAY] key and [VIDEO STATUS] key on the
remote control unit (Fig.2) simultaneously.
b) The SERVICE MODE screen of Fig.1 is displayed.
c) Verify what to set in the SERVICE MODE, and set
whatever is necessary (Fig.1).
Refer to the SERVICE ADJUSTMENT for setting.
d) Press the [BACK] key twice to return normal screen.
(5) Receive channel setting
Refer to the OPERATING INSTRUCTIONS (USER'S
GUIDE) and set the receive channels (Channels Preset) as
described.
(6) User settings
Check the user setting items according to after page.
Where these do not agree, refer to the OPERATING
INSTRUCTIONS (USER'S GUIDE) and set the items as
described.
SERVICE MENU SELECT KEY
TV CATV VCR DVD
TV/CATV
switch SPLIT
FREEZE
INPUT 1
V1
INPUT 2
V2
INPUT 3
V3
DISPLAY
INPUT 4
V4
THEATER
SLEEP DIGITAL-IN
D-IN
TIMER
SLEEP TIMER DISPLAY SOUND
MEMORY
MUTING
(MUTING)
VOL
FUNCTION
(LEFT)
MENU
MENU VCR CHANNEL
PREV NEXT
REW
REC
OPEN CLOSE
VCR/DVD
switch
POWER
ASPECT
POWER
MULTI SCREEN
INDEX
SWAP SELECT
1 2 3
NUMBER
4 5 6
7 8 9
RETURN+
VIDEO
0
100+
TV
NATURAL VIDEO STATUS
PRO CINEMA STATUS
LIGHT
FUNCTION
+
(UP)
C.C.
C.C.
CH
FUNCTION
VOL
OK
(RIGHT)
CH
BACK
BACK
VCR DVD
POWER TV VCR
FUNCTION
(DOWN)
PLAY FF
STOP PAUSE
STILL PAUSE
RM-C13G
SERVICE MENU
SERVICE MENU
1.PICTURE/SOUND
2.YC SEP
3.WHITE BALANCE
4.MEMORY SETUP
5.DD/CM
6.
3.2.2 SERVICE ADJUSTMENT ITEM
Setting items
1. PICTURE/SOUND (sound and picture setting)
Sound circuits (A)
Video circuits (S)
Deflection circuits (D)
Factory setting items (F)
2. YC SEP (3-dimensional YC separation setting)
3. WHITE BALANCE [Can not adjust]
4. MEMORY SETUP (Memory data edit) [Do not adjust]
5. RF AFC: AFC setting (Automaticaly set) [Do not adjust]
6. DD/CM (Panel image processing setting)
7. PANEL (Panel power limit control) [Do not adjust]
8. PP (Multi-screen processing setting)
9. IP (DIST processing setting) [Do not adjust]
0. HDMI (Digital input process setting) [Do not adjust]
7.PANEL
8.PP
9.IP
0.HDMI
Settings Item No.
Fixed A01~A27
Adjust S01~S99
Fixed D01~D32
Adjust F01~F59
Adjust YCM001~YCM185
Fixed YCS001~YCS114
Adjust DDT01~DDT34
Fixed CMT01~CMT57
Fixed PDA001~PDA012
Adjust ADM001~ADM034
Fixed PPA001~PPA008
Fixed PPB001~PPB036
Fixed PPC001~PPC008
Fixed PPD001~PPD025
Fixed IPA001~IPA120
Fixed IPB001~IPB079
Fixed IPC001~IPC044
Fixed IPD001~IPD026
Fixed IPE001~IPE015
Fixed HDM001~HDM080
Fixed RHD001~RHD170
(No.YA003)1-17