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Consumer Electronics by S. P. Bali

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COMMON SERVICE CONTROLS FOR BLACK-AND-WHITE AND COLOUR RECEIVERS

Television service technicians must adjust many different types of television receiver controls. Understanding the circuits and the functions of each control will help technicians to make proper adjustments. Since you are not expected to adjust these controls properly or to be familiar with receiver circuitry at this point. Table 32.2 is to be referred for information on the effects of service controls. This table lists most service controls with a general description of their function and of the circuits affected.

A number of precautions should be observed at all times while working on a television receiver with the power ON. The high-voltage cage should always be closed and any ...

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