Samsung MAX-B550 service manual wwwLW, 1-1-2AMMW,LW,SW1,SW2 Adjustment

Alignment and Adjustments

1-1-2 AM(MW),LW,SW1,SW2 Adjustment

AM (MW)

wwwLW

.rtvSW1 -horvatSW2-dj .hr

Circuit	Measuring Instrument &	Step	S.S.G	Radio dial	Adjusting	Adjust for
to be	Arrangement		Frequency	Setting	Point
Adjusted
		1	522KHz	522KHz	MW OSC	Aduust for 1.0V￿0.1V at the low.
OSC	Connect AM signal					(IR117)
	generator to loop
	antenna,VTVM AND
	oscilloscope	2	1611KHz	1611KHz	MW OSC	Check for 7.0V￿1.0V at the high.
	(Fig 1-3)					(IR117)
RF	“	1	594KHz	594KHz	MW ANT	Maximum out
INTER FREQ	“	1	455KHz	522KHz	TL2	Maximum out
OSC	Fig 1-3	1		146KHz	LW OSC	Aduust for 2.0V￿0.1V at the low.
		2		290KHz	LW OSC	Check for 7.0V￿1.0V at the high.
RF		1	150KHz	150KHz	LW ANT	Maximum out
OSC	Fig 1-3	1		2.3MHz	SW1 OSC	Aduust for 1.0V￿0.1V at the low.
		2		7.3MHz	-	Check for 8.5V￿1.0V at the high.
RF		1	3.5MHz	3.5MHz	SW1 ANT	Maximum out
OSC	Fig 1-3	1		9.5MHz	SW2 OSC	Aduust for 1.5V￿0.1V at the low.
		2		26.1MHz	-	Check for 8.0V￿1.0V at the high.
RF		1	10MHz	10MHz	SW2 ANT	Maximum out

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