JVC AV-14RM4SE Service Manual page 7

3.2 REPLACEMENT OF MEMORY IC
3.2.1 MEMORY IC
This model use a 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 vaue)data.
3.2.2 PROCEDURE FOR REPLACING MEMORY IC
PROCEDURE
1. Power off
Switch the power off and unplug the power cord from the
outlet
2. Replace IC.
Be sure to use memory IC written with the initial data values.
3. Power on
Plug the power cord into the outlet and switch the power on.
4. SERVICE MENU setting
(1) Press [MENU] key and, while the displayed MENU
screen, press [4], [7], [2], [5] key on the remote control
unit or press [MUTING] key and [INFORMATION] key
at the simulta-neously.
(2) The SERVICE MENU screen of Fig. 1 will be
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 [STANDARD] key to exit 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.
JVCAK30/37 B20
OSD
IF1
IF2
IF3
IF4
AGC
VLIN
RGBH
VSOF
VPOF
: 1 1 AVL
Fig.1
SERVICE MENU SELECT KEY
MUTING
INFORMATION
AV
ITEM
SELECT ( )
ITEM
SELECT ( )
Fig.2
POWER
NUMBER
STANDARD
COLOUR
MENU
VALUE
SELECT (+)
VALUE
SELECT (-)
(No.YA081)1-7