Toshiba 14AR22 Посібник з експлуатації - Сторінка 7

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14AR22

For adjustments of this model, the bus data is converted to various analog signals by the D/A converter

circuit.

Note: There are still a few analog adjustments in this series such as focus and master screen voltage.

Follow the steps below whenever the service adjustment is required. See "Table-B" to determine, if serv-

ice adjustments are required.

1. Service mode

Before putting unit into the service mode, check that

customer adjustments are in the normal mode. Use

the reset function in the video adjustment menu to

ensure customer controls are in their proper (reset)

position.

2. Service item selection

Once in the service mode, press the Ch-up or Ch-

down button on the remote controller or at the set.

The service adjustment item will vary in increments

of one. Select the item you wish to adjust.

3. Data number selection

Press the Vol-up or down button to adjust the data

number.

SERVICE ADJUSTMENT ITEM

To enter the service mode and exit serv-

ice mode.

Short JA137&JA138 for 1 Second and release to switch

to the service mode position, and the microprocessor is

in input mode.(Adjustment through the I

To exit the service mode, turn the television off by

pressing the power button.

DATA NUMBER

AGC:

Figure A.

C bus control.)