- CROWN INTERNATIONAL, INC. LABORATORY AMPLIFIER INSTRUCTION MANUAL DC-300A

PARTS LIST, DC-3OOA Page 3
Schematic
Designation
QlOO, Q200
0101, Q201
Q102,0202
Q105,0205
01
Q104,0204
Q106.0206
0107,0207
02
DlOO, D200
DlOl, 0201
D102, 0202
D103, D203
D104, D204
D105, D205
D106, D206
D107, 0207
Dill, 0211
D108, D208
Dl, D2
D3, D4, 05
IC-lA,8
LlOO, 200
L102, 202
LlOl, 201
Description
MPSA93
2N3859A (selected)
2961
NSDI 28
4061
RCA 61061 (selected)
3348
2N4929 SS7304
2923
PN4250A
3786
lN4148
3181
lN270
1 N4003
lN9616 1OV zener
Integrated Circuits
~A739 or
~A749
Coils
.5 mhy axial lead
Miscellaneous
Main PC board
TO-5 mounting pad
TO-5 coolers
IC socket, 14-pin DIL
TO-92 dual cooler
PC receptacle
#8 x 5/s hex WHSMT screw
OUTPUT INDUCTOR ASSY.
Torroid form
Magnet wire, #14 (13” lg)
Crown
Part #
3578
Other Information
Positive pre-driver
Negative pre-driver
3447
2851
3549
3231
R 107, 207 omitted
3643
R 107, 207 is 2629
3510
9605
1250
3175
3450
3493
3519
2757
41206
2850
3630
Used to mount pre-drivers (QlO6,
206, 107, 207)
Mount on pre-drivers
Used on Ql 01, Q201
Fasten main board to shield
Wound on form 2850