Heathkit IO-4205 - Page 23

transistor
Q105B : 2N4258 transistor
(#417- 260).
IDENTIFICATION
DRAWING
P
AR T
NUMBER
The steps
perf or me d in this Picto ri al are
in this area of the circ
uit board.
PICTORIAL 1-10
Page 21
CONTINUE v
NOTE: When you install a transistor in
each of the following nine steps , align
its flat with the flat on the board . Insert
the leads into their correct E, B, and C
holes.
Position the transistor 1/ 4"
abo ve the board . Then so l der the leads
to th e foil and cut off the excess lead
lengths .
Q103B : MPSA 20
transistor
(#417-801).
( ~ 06 B : 2N4121 transistor
(#417-235).
transistor
( ~ 109B:
2N4121
transistor
(#417-235).
Q111 B:
2N5770 transistor
(#417-293).
~ 112B :
2N5770 transistor
(#417 -293).
( '1"' Q108 B: 2N41 21 transistor
(#417-235).
Q117: MPSA20
transistor (#417-
801).
V Q118: MPSA20
transistor (#417 -
801).