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3.3
MEMORY IC REPLACEMENT
3.3.1 MEMORY IC This TV uses memory IC. This memory IC stores data for proper operation of the video and deflection circuits. When replacing the memory IC, be sure to use an IC containing this (initial value) data. 3.3.2 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 Be sure to use a memory IC written with the initial setting data. 3. Power on Connect the power cord to the wall outlet and switch on the power. 4. Confirm the system constant value � 12.SYSTEM (SYS) do not adjust normally. � The adjustment should not be done without signal. How to enter the SERVICE MENU. � 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 the [SLEEP TIMER] key and set SLEEP TIMER for "0 min". (2) Before disappear the display of SLEEP TIMER settings, simultaneously press the [DISPLAY] key and [VIDEO STATUS] key of the remote control unit. (3) The SERVICE MENU screen will be displayed as shown Fig.1. How to enter the 12. SYSTEM(SYS). (1) While the SERVICE MENU is displayed, select the 12.SYSTEM(SYS) item with [CH / ] keys, and the [VOL / ] keys is pressed, the screen will be displayed as shown in Fig.2. (2) Refer to the "12.SYSTEM(SYS)" table and check the setting items. If the value is different, select the setting item with the [CH / ] keys and adjust the setting with the [VOL / ] keys. (The letters of the selected item are displayed in yellow.) (3) When adjustment has completed, the values store into memory IC automatically. (4) Press the [EXIT] key to return the SERVICE MENU screen. (5) Then press the [EXIT] key again to return the normal screen. 5. Receiving 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 the "FACTRY SETTING VALUE" table. Where these do not agree, refer to the OPERATING INSTRUCTIONS (USER'S GUIDE) and set the items as described. 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.
VOL / key
ASPECT LIGHT
SERVICE MENU SERVICE MENU
1. V/C(S)
3. SOUND(A) 5. PIP(PIP) 7. LOW LIGHT 9. RF AFC 11. I2C BUS
2. DEF(D)
4. OTHERS(F) 6. 3L Y/C(LYC) 8. HIGH LIGHT 10. VOC 12. SYSTEM(SYS)
SELECT BY OPERATE BY Fig.1
EXIT BY EXIT
SYSTEM (SYS) MODE
SYS01 VIDEO IN Fig.2
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
SLEEP TIMER key
DISPLAY & VIDEO STATUS key
SOUND
C.C.
CH
/
key EXIT key
[RM-C1250G]
(No.52154)1-11
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