Tektronix 422 - Page 189

^ S W E E P T R IG G E R
SW EEP GENERATOR
H O R IZO NT A L A M PLIF IE R
S ill PARTS LIST FO i EARLIER
VALUES k m SERIAL NUMBER
RANGES O f PACTS MARKED
W ITH BLUE OUTLINE.
8<s?e
+ - T Y P E 4 Z Z A C - D C jg TIMING SWITCH <^>
(S /N 2 0 ,0 0 0 - U P )
TIMING SWITCH