2SC752 datasheet(11/126 Pages) TOSHIBA

11 / 126 page

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4. SELECTING THE ADJUSTING ITEMS

1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2.

(t button for reverse order)

Refer to table-2 for preset data of adjustment mode.

(See SETTING & ADJUSTING DATA on page 34)

5. ADJUSTING THE DATA

1) Pressing of VOLUME ; +/– button will change the value of data in the range from 00H to FFH. The variable

range depends on the adjusting item.

6. EXIT FROM SERVICE MODE

1) Pressing POWER button to turn off the TV once.

INITIALIZATION OF MEMORY DATA OF QA02

After replacing QA02, the following initialization is required.

1. Enter the service mode, then select any register item.

2. Press and hold the CALL button on the Remote, then press the CHANNEL s button on the TV. The initialization of QA02 has

been complated.

3. Check the picture carefully. If necessary, adjust any adjustment item above.

Perform “Auto search Memory” on the owner’s manual.

CAUTION: Never attempt to initialize the data unless QA02 has been replaced.

7. TEST SIGNAL SELECTION

1) Every pressing of a button on the Remote Control changes the built-in test patterns on screen as described below

in SERVICE MODE.

Signals

Picture

• Red raster

• Green raster

• Blue raster

• All White

• Black cross-hatch

* The signals marked with

are not usable to display in the Test signal for some model.

Signal off

NTSC signals (5 patterns)

PAL signals (5 patterns)

2SC752 数据表(PDF) 11 Page - Toshiba Semiconductor