JVC HD-52Z575, Руководство по обслуживанию

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1-20 (No.YA092B)
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 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 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
CONTROL UNIT is at the "VCR" side. If the switches have not
been properly set, you cannot enter the SERVICE MENU.
1) Press [ SLEEP TIMER ] key and while the indication of
SLEEP TIMER 0 MIN is being displayed, press
[ DISPLAY ] key and [ VIDEO STATUS ] key (Fig.2)
simultaneously.
2) The SERVICE MENU screen of Fig.1 is displayed.
3) Verify what to set in the SERVICE MENU, and set
whatever is necessary (Fig.1).
Refer to the SERVICE ADJUSTMENT for setting.
4) Press the [ BACK ] key to return the SERVICE MENU.
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.
Fig.1
3.2.3 SERVICE MENU SETTING ITEMS
Fig.2
Setting item Item No. Remark
1.ADJUST
VIDEO SYSTEM S001~S039
Adjust
AUDIO SYSTEM T001~T010
PANEL CONTROL SYSTEM P001~P010
Do not adjust
(Fixed value)
DRIVE SYSTEM D001~D187
SYSTEM SETTING Z001~Z010
SERVICE MENU SCREEN
SERVICE MENU
1. ADJUST
2. SELF-CHECK
3. I2C STOP
INPUT 1
INDEX
FREEZE SWAP SELECT
INPUT 2
INPUT 3
INPUT 4
DIGITAL-IN
THEATER
PRO
VIDEO
STATUS
SLEEP TIMER DISPLAY LIGHT
TV CATV VCR DVD
MUTING
MENU BACK
C.C.
RM-C15G
REW
VCR CHANNEL
PREV NEXT
VCR / DVD
POWER TV / VCR
FF PLAY
REC PAUSE
OPEN CLOSE STILL PAUSE
STOP
CH
CH
VOL VOL
OK
MULTI SCREEN
TWIN
V1
V2
V3
V4
D-IN
1 2 3
4 5 6
7 8 9
0
TUNE
TV
POWER
ASPECT
C.C.
+
SOUND
VIDEO STATUS
SERVICE MENU
ITEM SELECT KEY
DISPLAY
(Enter the SERVICE MENU)
BACK
(Return key)
SLEEP TIMER
(Skip / Enter the SERVICE MENU)
Number key
MUTING
(Memory key)
TV / CATV
(Set toTV)
POWER
VCR/DVD
(Set to VCR)
MENU
(Come out SERVICE MENU key )
FUNCTION
(Value setting key)
FUNCTION
(SERVICE ITEM select key)
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