Tektronix 3A74 Instruction Manual page 86

INT. TRIG.
INPUT EF aaa INT. TRIG. 1
Q503 AMPLIFIER A
IT STAGE 2
Q5o4
Qai4d
A
SW
40l
SW430
ic ry MODES
H | ent |
1 oC INPUT CF | |
CHI Oe Oeo————] ATTENUATORS > ae a !
INPUT V425 1 ! NORM.
= tIHK-O @ND NPUT | p}e-0%0—_ 000} CH!
= AMPLIFIER ;
~ ULWH_o AC
+
\
\
I ( .
DC BAL CF Q434
V4323
SW430
Sw
40!
r [MODE
+ 1
\ cH2 |
' pe INPUT CF I I
CHa (O Ot ATTENVATORS > vazs > | |
INPUT t INPUT | NORM,
== HO ano | 0-0-0} CH2
= AMPLIFIER i
=
0
|
AC + | (
Q424 I | NORM DIODE
'CHE DC BAL CF Q4a4 SwITt
V433 a
Dc BAL.
~
SW430
Sw 401
- {wove }
| | CH3 \
| pe
INPUT CF
| |
crs (0 T O-O ATTENUATORS > vase > \
INPUT INPUT | NORM,
T L-m—o-rO —-O#-O- CHS
a IFO
GND
AMPLIFIER
i 1
~ I I
" t ODE
NO!
Q424 I | NORM DIOD
7 —O-+0. 0-0 SWITCHE
DC BAL CF Q4a4
. V433 —
Oc BAL. =
Sw
40!
sw430
'
im 7
r-{wone } >
i | CcCH4 |
; bc INPUT CF I I
cH 4 a ATTENUATORS > vane >
INPUT NORM, HO = @ND INPUT — Leo+0-—_oe 0] CH 4
= AMPLIFIER ! |
Ac + 1 '
Q4e4 ! ! NORM. Sunene
Dc BAL CF Q434
V4aa
—
["
Oc BAL. _
TYPE 3A74 PLUGIN