Kenwood SP-430 Power on DC V .M, RF Gain MAX Mode USB Stby REC, TC2, TP6 PLL TC1, Freq, Display

TS-4405

ADJUSTMENT

• VOLTAGE CHECK, ADJUSTMEN T

			Measurement						Adjustmen t
Item		Condition	Tes t				Unit			Specification/Remark s
			equipment	Unit	' Terminal			Part		Method
1 . Voltage	1) POWER : ON		DC V .M	IF	19	-5			Check	13 .3-	14.3V
	RF GAIN : MAX				19	-9				4 .5-5	.5 V
	MODE	USB			19	-10				7 .2-8	.2 V
	STBY	REC			9	-1	SW " A "	VR-4	2 .6V	+0 .05V, -OV
					27- 4		IF	VR-5	8 .8V

• COMMON ADJUSTMEN T

		Measurement				Adjustmen t
Item	Condition	Test	Unit		Unit				Specification/Remarks
		equipment		Terminal		Part		Method
1 . CAR	MODE : USB	Oscilloscope	IF	14- 2	IF	L15	0	.4V/p-p	f0 .05V/p- p
		Freq .counter				TC2	8	.3750MHz	±50H z

• PLL ADJUSTMENT

			Measurement				Adjustmen t
Item		Condition	Tes t						Specification/Remark s
			equipment	Unit	Terminal	Unit	Part	Method
1 . Referenc e
oscillato r
frequency	36MHz		Freq . counter PLL		TP6	PLL	TC1	36 .000,000MHz	± 10H z
					(R96 )
2 . RIT	1) FREQ	14.000OMHz	DISPLAY			SW " A" VR3		14 .000,00 RIT .0 . 0
	MODE A M
	RIT Pot	: CENTE R					I
	RIT SW : ON
	2) RIT Pot . : FULL CW (+)								14 .00120 RIT1 .2 or more
	RIT Pot . : FULL CCW		-I						13 .998 .80 RIT- 1 .2 or mor e
3 VCO5			DC V .M	PLL	TR11	PLL	T20	5 .OV	±0 .2 V
					(R146 )
4 . VC04	1) FREQ . 14 .0000MHz		DC V .M	PLL	TP 1
	MODE A M				(L2)	PLL	Ti	3 .8V	±0 .1 V
	Disconnect PLL- 6 connecto r
	when PLL unlocked .
	2) MODE	USB							4 .2-4 .6 V
	3) MODE	LSB							3 .2-3 .6 V
	4) MODE	US B	Freq, counter PLL		3 -2	SW"A"	VR7	456.875kHz	t 1
	IF SHIFT Pot . : CENTER
	5) IF SHIFT Pot. FULL CW								457 .875kHz or more
	61 IF SHIFT Pot . : FULL CCW								455 .875kHz or les s
	7) IF SHIFT Pot. : CENTER							456.875kHz	456 .874--456 .876kH z
5 . VCO3	1) FREQ	13 .9999MH Z
	MODE : AM		DC V .M	PLL	TP2	PLL	T2	6 .2V	±0 . W
					(L13 )
	21 FREQ	14 .0000MH z
	MODE A M
6 . PLL 6 .6MHz	1) FREQ : 14 .0050MHz		Oscilloscope	PLL	TP3	PLL	T3-5	MAX	Ref . 0 .2V/p-p
BPF	MODE AM				(R60 )

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