JVC AV-65WP74/HA Service Manual page 21

2.9 MEMORY IC REPLACEMENT
2.9.1 MEMORY IC
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.
2.9.2 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
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 MENU screen of Fig.1 is displayed.
c) Verify what to set in the SERVICE MENU, 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.
2.9.3 SERVICE ADJUSTMENT ITEM
Setting item
1.PICTURE/SOUND
AUDIO
VIDEO
DEFLECTION
FACTORY setting
2.YC SEP
YC separation setting
3.WHITE BALANCE
LOW LIGHT/HIGH LIGHT
adjustment
4.MEMORY SETUP
5.RF AFC
AFC of TUNER setting
6.CONER A
Convergence adjustment
All manuals and user guides at all-guides.com
Item No. Remark
A01~A27
S01~S99
D01~D32
F01~F70
YCM001~YCM185 Do not adjust
YCS001~YCS114 Do not adjust
BR, DRV R, DRV B,
CWT R, CWT G,
CWT B
------ Do not adjust
TUNER, AFC,FINE Do not adjust
CPA01~CPA08
CCA01CCA09
CBA01~CBA80 Do not adjust
SERVICE MENU
SERVICE MENU
1.PICTURE/SOUND
2.YC SEP
3.WHITE BALANCE
4.MEMORY SETUP
5.RF AFC
6.CONVER A
SERVICE MENU SELECT KEY
TV CATV VCR DVD
SPLIT
FREEZE
INPUT1
INPUT2
INPUT3
DISPLAY
INPUT4
SLEEP
DIGITAL-IN
TIMER
SLEEP TIMER DISPLAY
MEMORY
MUTING
(MUTING)
FUNCTION
(LEFT)
MENU
MENU VCR CHANNEL
PREV NEXT
REW
REC
OPEN/CLOSE
Setting item
7.CONVER B
Convergence adjustment
8.PP
Multi-picture adjustment and
setting
9.IP
DIST process setting
0.GCR
Ghost re reduction
7.CONVER BD
8.PP
9.IP
0.GCR
Fig.1
POWER
ASPECT
POWER
MULTI SCREEN
POP INDEX EZ SURF
SWAP SELECT
1 2 3
4 5 6
NUMBER
7 8 9
0
VIDEO
100+ RETURN+
/TV
STATUS
THEATER NATURAL VIDEO
PRO CINEMA STATUS
LIGHT
SOUND
FUNCTION
(UP)
C.C.
+
CH
FUNCTION
VOL VOL
OK
+
(RIGHT)
CH
BACK
BACK
VCR/DVD
POWER
TV/VCR
FUNCTION
(DOWN)
PLAY FF
STOP PAUSE
STILL/PAUSE
RM-C1200G
Fig.2
Item No. Remark
------
ADM001~ADM034 Do not adjust
PPA001~PPA008 Do not adjust
PPB001~PPB036 Do not adjust
PPC001~PPC008 Do not adjust
PPD001~PPD025 Do not adjust
IPA001~IPA120 Do not adjust
IPB001~IPB079 Do not adjust
IPC001~IPC044 Do not adjust
IPD001~IPD026 Do not adjust
IPE001~IPE015 Do not adjust
Not use
(No.52096)1-21
AV-65WP7