-7-
Service Adjustments with Replacing Memory IC(IC801)
Note: The CPU (IC201) and memory IC (IC801) store the service adjustments data and controls data for each
circuit.When the Memory IC(IC801) is replaced, some of the service adjustments should be readjusted to
obtain the best performance. The necessary service adjustments are carried out by using the RC handset.
Please set up the TV set with following steps [1] to [2].
[1] Initializing Procedure
1.
Put a new memory IC.
2.
Turn on the TV set.
3.
Press and hold the
TV/AV Selector
on the TV set for more than 2 seconds. The following picture appears on the
screen.
4.
Press the
MENU
on the TV set while the above On-Screen Display is still on the screen. The following picture
appears on the screen.
5.
Switch off the TV set by pressing the
Power Switch button
on the TV set while the above On-Screen Display is
still on the screen.
This completes the initialization of memory IC.
Following shows the initialized contents of memory data by this procedure.
- Plug & play
: No executed
- Inhibit data
: Cancelled
- Ch skip data
: Cancelled
- Sound volume data : 10/63 steps.
- Volume Lock
: OFF
- Colour system
: AUTO
CLR
CLR
Press and hold for more than 2 seconds
MENU
TV/AV
CH
- +
[2] Required Service Adjustments
Readjust the following service adjustments.
Adjustments
Service Mode No. & Item
RF AGC
Item 91, RFAGC
Horizontal centre
Item 5, H PHA
Vertical Size
Item 7, V-SIZE
Vertical linearity
Item 17, V-LIN
Vertical-S correction
Item 19, V-SC
Gray scale
Item 32 ~ 39
Further adjustment please refer to page 14 and 15.
MENU
TV/AV
CH
- +
(displayed in yellow color)
(displayed in red color)
SM_21-BE4B (FC8-A) IDN 6/24/08 10:53 AM Page 7
