Daewoo K3050MECHA service manual Position Adjustment

E. X-POSITION ADJUSTMENT

TEST POINTS	S/W PULSE TEST PIN	PATH ADJ. FIXTURE
	ENVELOPE TEST PIN	PATH ADJ. FIXTURE
MEASURING EQUIPMENT	OSCILLOSCOPE
ADJUSTMENT	VR CONTROL	PATH ADJ. FIXTURE
	ADJUST BOSS	MAIN BASE.

a. Connect the path adjustment fixture to PT01 of the MAIN CIRCUIT BOARD. b. Play back the ALIGNMENT TAPE (COLOR BAR ALIGNMENT).

c. Connect channel-1 scope probe to S/W PULSE TEST PIN of PATH ADJ, FIXTURE. d. Connect channel-2 scope probe to ENVELOPE TEST PIN of PATH ADJ, FIXTURE.

e. Turn the VR CONTROL to the center point. (If the VR CONTROL is completly turned counter-clockwise, it is positioned on another tracking center.)

f. With the VR CONTROL in the center state, turn the ADJUST BOSS by using FLAT TYPE SCREW DRIVER and adjust the X-POSITION to obtain the maximum envelope waveform.

Fig. 5-5 X-POSITION ADJUSTMENT

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