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Service Adjustments with Replacing Memory IC(IC802)
Note: The CPU (IC201) and memory IC (IC802) store the service adjustments data and controls data for each
circuit.When the Memory IC(IC802) 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. Enter to the Service Mode as explanation on next page. Select “002 INIT TV 0” mode, then change to “1” by
pressing Volume + button on Remote Control.
4. When initialised the memory IC are completed, TV set will in stand by mode, all of the setting data (option data and
service adjustment data) stored in the IC are reset to the default value. It is necessary to set the option settings and
readjust the service adjustments (listed on page 11-13) and to re-tune all the channels.
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
- Swap Data : Cancelled
- Surround : OFF
- Woofer : OFF
- Sound Volume Data : 12/63 steps
- Bass Data : 32/63 steps
- Treble Data : 32/63 Steps
- Colour System : AUTO
- Sound System : BG
[2] Required Service Adjustments
Readjust the following service adjustments.
Adjustments Service Mode No. & Item
Vertical slope Item 015, Vert. Slope
Vertical shift Item 016, Vert. Shift
Vertical amplitude Item 017, Vert. Ampl.
Vertical-S correction Item 018, S-Corr.
EW width Item 021, EW Width
Horizontal shift Item 022, Hor. Shift
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Further adjustment please refer to page 12 ~ 14.
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