JVC HD61Z585 Repair Manual

3.2 MEMORY IC REPLACEMENT
3.2.1 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.
3.2.2 MEMORY IC REPLACEMENT PROCEDURE
1. Power off
Switch off the power and disconnect the power cord fromSERVICE MENU SCREEN
the wall outlet.
2. Replace the memory ICSERVICE MENU
1. ADJUST
Initial value must be entered into the new IC.2. SELF-CHECK
3. I2C STOP
3. Power on
Connect the power cord to the wall outlet and switch on the
power.
4. SERVICE MENU setting
Before entering the SERVICE MENU, 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
Fig.1
CONTROL UNIT is at the "VCR" side. If the switches have not
been properly set, you cannot enter the SERVICE MENU.
3.2.3 SERVICE MENU SETTING ITEMS
1) Press [SLEEP TIMER] key and while the indication of
Setting itemItem No.Remark
SLEEP TIMER 0 MIN is being displayed, press
[DISPLAY] key and [VIDEO STATUS] key (Fig.2)1.ADJUST
simultaneously.VIDEO SYSTEMS001~S039
2) The SERVICE MENU screen of Fig.1 is displayed.Adjust
AUDIO SYSTEMT001~T010
3) Verify what to set in the SERVICE MENU, and set
whatever is necessary (Fig.1).PANEL CONTROL SYSTEM P001~P010
Refer to the SERVICE ADJUSTMENT for setting.Do not adjust
DRIVE SYSTEMD001~D187
4) Press the [BACK] key to return the SERVICE MENU.(Fixed value)
SYSTEM SETTINGZ001~Z010
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
TVCATV VCR DVDPOWER
described.ASPECT
TV / CATV MULTI SCREENPOWER
(Set toTV)TWININDEX
FREEZESWAP SELECTVCR/DVD
(Set to VCR)
INPUT 1
V1123SERVICE MENU
INPUT 2
Number keyV2456ITEM SELECT KEY
INPUT 3
V3789
INPUT 4RETURN+13& 9
V4TUNE0TV
DIGITAL-INTHEATERPROSTATUSVIDEO
D-INVIDEO STATUS
SLEEP TIMERSLEEP TIMERDISPLAY SOUNDLIGHT
+(Skip / Enter the SERVICE MENU)
MUTINGC.C.DISPLAY
MUTING (Memory key)CHC.C.(Enter the SERVICE MENU)
VOLOKVOL
FUNCTIONCHFUNCTION
(Value setting key)MENUBACK(SERVICE ITEM select key)
VCR CHANNELPREV NEXTVCR /POWER DVD TV / VCR
MENUBACK
(Come out SERVICE MENU key )REWPLAYFF(Return key)
RECSTOPPAUSE
OPEN CLOSESTILL PAUSE
RM-C15G
Fig.2
1-20 (No.YA092B)