Tektronix 494AP service manual O a o a o a o o, Maintenance- 4g4Al494ApService Vot.1

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Maintenance- 4g4Al494ApService Vot.1

c2201 TP +12 V

ol	?o,il,-.e:		r1l*rffi
r	(2)--rr
,-	zrfP2o3s +o	5

Figure 6'20.16-20 MHz phase Lock circuit test point and componentrocadons.

H222		?zm
21E2tH: Bullercd Output port	21E2tHz				Pi221
		t ntutfored Ou$ut port			l(Xt lrHr ieErance fnpuf
2182 llHz MGrorlrip Olcitfatof					0 d8m
		2i200$HzReferencetircr			XX$ElzRelersncs
		o	F,	qfo-
		w)LH-3

supplicr 2782ffi12 TunelnPut Dlffercncc Frcqcncy

A :Centcr trequoncy tunang!fub

9 :Bets,emitter voltagetelednt Tp1O15 C :Fcedback rdiu3lmcnt teb CtO2l

O -Ccntertrequency edjurtrnent t b C1022

Flgure 6-21. 2182 MHz 2nd LO adiustment and test point tocations.

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