JVC LT-26WX84 Service Manual page 19

3.2 MEMORY IC REPLACEMENT
• This model uses the memory IC.
• This memory IC stores data for proper operation of the video and drive 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 plug from the
AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting
values.
3. Power on
Connect the power plug to the AC outlet and switch on the
power.
4. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the
receive channels (Channels Preset) as described.
5. User setting
Check the user setting items according to the given in page
later. Where these do not agree, refer to the OPERATING
INSTRUCTIONS and set the items as described.
6. SERVICE MENU setting
Verify what to set in the SERVICE MENU, and set whatever is
necessary (Fig.1). Refer to the SERVICE ADJUSTMENT for
setting.
3.2.2 SERVICE MENU SETTING ITEMS
SERVICE MODE
1.PICTURE/SOUND
2.YC SEP
3.WHITE BALANCE
4.MEMORY SETUP
5.RF AFC
6.DD/CM
Setting items
1. PICTURE/SOUND (sound and picture setting)
Audio circuits (A)
Video circuits (S)
Drive 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
Fig.1
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.YA089)1-19