Sharp LC-15B2H, Руководство по обслуживанию

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9
LC-15B2H
LC-15B2M
ADJUSTING PROCEDURE OF EACH SECTION
Preparation for Adjustments
Use the dedicated AC adaptor or stable DC power supply.
LC13B2 AC adaptor: UADP-0226CEPZ
DC power supply: 12 ± 0.5V, 3.0 (A)
[1] Adjusting procedure
1-1. Checker adjustment
Power ON (initialization)
→
Setting of model and inch size
→
Model data transfer to the setting E
2
PROM (I
2
C)
→
Adjustment processing mode
→
Adjustment (+B adjustment)
1-2. Finish processing adjustment
Setup
→
Power ON
→
Adjustment processing mode (Remote control)
→
Counter bias, TV contrast and white
balance adjustments
[2] Entering the adjustment processing mode
There are the following two methods.
• Setting the pin (81) (KEY4) or pin (82) (KEY5) of IC2001 (microprocessor) to "L", turn on the power.
• When service is given: POWER button is made on with pushing TV/VIDEO and MENU buttons at the same
time.(K of the inspection process mode is displayed by the upper left of the image plane.)
→
Next, CH (
Ù
) and
VOL (–) buttons are pushed at the same time.(It becomes the image plane of the adjustment process
mode.).....When it is canceled, it is made to turn it off.(Even off in the POWER button, off with R/C are good.)
[3] Key operation in the adjustment processing
Selection of the receiving channel
• The receiving channel UP/DOWN is performed with the CH (
ù
)/(
Ù
) buttons.
One push ... The UP/DOWN tuning is performed per channel.
Continuous push ... The UP/DOWN search is performed until a next receivable station is found.
• Various adjustments
The adjustment is performed for each item by the MENU, CH(
ù
)/(
Ù
) or VOL (+)/(–) buttons (main body and
remote control).
• Adjustment item is chosen with the MENU cursor UP/DOWN buttons.
• The adjustment item makes a toggle operation with the MENU button input. (Next item)
If the MENU button is input while the bottom item is selected, it moves to the top item on the next page.
[4] Initialization
4-1. Connect the pins (81) and (82) of IC2001 (microprocessor) to GND, and turn on the power.
4-2. Select the model name (B2H).
4-3. Select the inch size (15).