3.3 MEMORY IC REPLACEMENT
3.3.1 MEMORY IC
This model uses the memory IC.
This memory IC stores data for proper operation of the video/chroma and deflection circuits.
When replacing, be sure to use the IC containing initial setting data.
3.3.2 MEMORY IC REPLACEMENT PROCEDURE
SERVICE MENU
1. Power off
Switch off the power and disconnect the power plug from theSERVICE MENU
AC outlet.
1.V/C(S)2.DEF(D)
2. Replace the memory IC3.SOUND(A) 4.OTHERS(F)
6.3L Y/C(LYC)
Be sure to use the memory IC written with the initial setting
7.LOW LIGHT 8.HIGH LIGHT
values.
9.RF AFC10.VCO
3. Power on11.I2C BUS12.SYSTEM(SYS)
Connect the power plug to the AC outlet and switch on the
power.
SELECT BY
4. System constant check and setting
OPERATE BYEXIT BY EXIT
(1) Press the [SLEEP TIMER] key and set SLEEP TIMER
for "0 min".
(2) Before disappear the display of SLEEP TIMER settings,
simultaneously press the [DISPLAY] and [VIDEO
STATUS] key of the remote control unit. The SERVICESYSTEM (SYS) MODE
MENU screen of Fig.1 will be displayed.
(3) While the SERVICE MENU is displayed, select the
SYSTEM(SYS) item with [CH / ] keys and go into
with the [VOL / ] keys. Then the SYSTEM mode
screen will be displayed as shown in Fig.1.
(4) Refer to the table of SYSTEM CONSTANT given in page
later, and check the each item. If the value is different,
select the setting item with the [CH / ] keys, and
setting with the [VOL / ] keys. (The letters of the
selected item is displayed in yellow.)
SYS01 VIDEO IN
(5) When adjustment has completed, the values store into
memory IC automatically.
Fig.1
(6) Press the [EXIT] key twice to return to the normal screen.
5. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set theKEY ASSIGNMENT OF REMOTE CONTROL UNIT
receive channels (Channels Preset) as described.
6. User settings(1)
Check the user setting items according to the given in pageSetting for "0 min"
later.
Where these do not agree, refer to the OPERATING
(2)
INSTRUCTIONS and set the items as described.
Simultaneously push
7. 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.
(4)[VOL. / ]
Setting the value
(3)[CH. / ]
Select the item
EXIT (5)
SERVICE MENU
Although this illustration of remote control unit is written
about RM-C1253G (AV-32D304), it can use for operating
RM-C1255G (AV-32D104) as same key assignment
1-12 (No.52121) |