Toshiba 21J1MJ Servicehandleiding - Pagina 12

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Ook voor Toshiba 21J1MJ: Schematisch diagram (12 pagina's)

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1. Chapter 1 General Adjustments
2. Location of Controls
3. Chassis and Cabinet Replacement Parts List
4. Schematic Diagram
5. Circuit Block Diagram

HIGH VOLTAGE CHECK

CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps

below.

1. Connect an accurate high voltage meter to the second anode of the picture tube.

2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST controls to minimum (zero beam current).

3. High voltage must be measured below (B) kV.

Refer to table-1 for high voltage (B).

(See SETTING & ADJUSTING DATA on page 13)

4. Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any conditions.

CIRCUIT CHECK

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