(No.YA604<Rev.001>)1-13
3.3
MEMORY IC REPLACEMENT
• This model uses the 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.
3.3.1 MEMORY IC TABLE
3.3.2 MEMORY IC REPLACEMENT PROCEDURE
1. Power off
Switch off the power and disconnect the power plug from the AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting values.
3. Power on
Connect the power plug to the AC outlet and switch on the power.
4. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the receive channels (Channels Preset) as described.
5. User setting
Check the user setting items according to the given in page later. Where these do not agree, refer to the OPERATING
INSTRUCTIONS and set the items as described.
6. SERVICE MODE setting
Verify what to set in the SERVICE MODE, and set whatever is necessary (Fig.3-3). Refer to the SERVICE ADJUSTMENT for
setting.
3.3.3 SERVICE MODE SETTING
SERVICE MODE SCREEN
Fig.3-3
SETTING ITEM
Symbol Number of pins
Mounting PWB
Main content of data
IC7003
8-pin
MAIN PWB
Setting value of
IC7001
(MAIN CPU) is memorized.
SERVICE MODE SCREEN
ADJUST MODE SCREEN
Service Menu
1.Adjust
2.Self Check
3.I2C Stop
Press [1] key
Adjust
PAL BG
1.SC ADJ
15
SC DEV : +00
OK:Store i:Exit
Setting mode
Setting items
Settings
1.ADJUST
1.SC ADJ.
Adjust
2.R DRIVE
Adjust
3.G DRIVE
Adjust
4.B DRIVE
Adjust
5.CUTOFF R
Fixed [Do not adjust]
6.CUTOFF G
Fixed [Do not adjust]
7.CUTOFF B
Fixed [Do not adjust]
8.COLOUR
Fixed [Do not adjust]
9.HUE
Fixed [Do not adjust]
10.CONT.
Fixed [Do not adjust]
11.BRIGHT2
Fixed [Do not adjust]
12.SHARP
Fixed [Do not adjust]
13.CORING
Fixed [Do not adjust]
