Tektronix 422 - Page 86

Maintenance—Type 422 AC-DC
R434
IC434
Q434 n Q429
D430*
«r<R429 ^
*R433^S)
1 «C427I
R428«B^
R452
Q441
R451
0464
R447
-R476>
- D476
R386
- ' R 4 79 -
^ Q473HQ424
R474‘55 ,
«± ,R 414tW 7Q 42
" f * = 3 R 4 2 4 ^ '
;D43J^ 1 ,
4 R47ij C471
C -R499
^ ,^0414)0 ?
D439 5«
D405j>
R403-^>
f:D401>
^R 470
^ l £ D40?-
^TR404
L '« ) R378^
0400
'^R4011
«;D4p8
K=R346>
03 47 >
R344
D344
R343
aR340hn
'^ C342jp
R384~N
IC343
'R342
;Q324
C302
C302
‘F’ Shield for E
'E’ Red-red on gy (coax)
‘D’ Shield for C
‘B’ Grn-grn on gy
‘K’ Blu on whl
• J’ Yel on whl
T Vio on whl -
‘H’ Gy-
‘G' Tan
‘U’ Brn-red-blk on whl
‘T’ Blu
‘S' Brn ------------------------------
'O' Yel-yel on gy (coax)
*R‘ Shield for Q ----------------
‘P‘ Blk on w hl------------------
‘O’ Blk-blu on whl -----------
'N‘ Brn-red-blk on wht —
'M ‘ Blk ------------------------------
■L’ Y e l-------------------------------
'AC' Grn-grn-blk on wht
‘AA’ Orn-orn on gy (coax)
‘AB‘ Shield for A A --------------
‘Y‘ Grn-grn on gy (c oa x l-
‘Z‘ Shield for Y
'X' Shield for W -----------------
‘W ‘ Wht-wht on gy (coax)
'V' Brn-red-blk on Ian
---------
'A' Shield for B
(coaxl
‘C‘ Yel-yel on gy (coaxl
4-18
Fig. 4-11. Trigger/Sweep Generator circuit board.