Heathkit IO-4205 - Power Supply Circuit Board; Parts List

Page 50
POWER SUPPLY
CIRCUIT BOARD
= : 11
PARTS LIST
Open the pack marked #3 and check each part against
the following list. The key numbers correspond to the
numbers on the Power Supply Circuit Board Parts
Pictorial (Illustration Booklet , Page 8).
KEY HEATH
QTY . DESCRIPTION
CIRCUIT
No .
Part
No.
Comp. No .
RESISTORS
All resistors are 5% (fourth band gold) unless designated 10%
(fourth band silver).
NOTE : The resistors may be packed in more than one en-
velope (stamped RES). Open
all the resistor envelopes in this
pack before you check the resistors against the Parts
List.
1/2-Watt
A1 6-510 51 n (Grn-8rn-81k)
R322
A1 6-471 470 fi (Vei-Viol-8rn)
R332
A1 6-511 510 fi (Grn-8rn-8rn)
R325
A1 6- 561
1
560
fi (Grn-81u-8rn)
R307
A1 6-102
3
1000 n (8rn-81k-Red)
R311 , R314,
R320
A1 6-152
1 1500
n (8rn-Grn-Red)
R341
A1 6-182
3
1800 n (8rn-Gry-Red)
R312, R313,
R342
A1 6-222
2200
fi (Red-Red-Red) R317
A1 6-432
4300
fi (Vei-Org-Red)
R334
A1 6-472
4700
n (Vel-Viol-Red) R315
A1 6-562
1 5600
n (Grn-81u-Red) R316
A1 6-682
2 6800
fi (81u-Gry-Red) R335, R336
A1 6-103 10 k!l (8rn-81k-Org) R331
A1 6-123
1 12
k!l (8rn-Red-Org)
R326
A1
6-153
2 15
k!l (8rn-Grn-Org)
R328, R329
A1 6-183
18
k!l (8rn-Gry-Org)
R321
A1 6-273
27
kfi (Red-Vioi-Org)
R327
A1
6-473
2 47
k!l (Vei-Vioi-Org)
R318, R338
To order a replacement part, see "Replacement Parts"
inside the rear cover. For prices, refer to the separate
"Heath Parts Price List."
KEY HEATH
QTY. DESCRIPTION
CIRCUIT
No .
Part
No .
Comp.
No .
Resistors (Cont'd.)
A1
6-104
3
100 k!l (8rn-81k-Vel)
R319,
R333 ,
R339
A1 6-474 470 k!l (Vel-Viol-Vel)
R324
A1 6-105
1
M!l (8rn-81k-Grn)
R323
Other Resistors
A2 1-30-1
220
k!l , 1-watt, 10% (Red-
R308
Red-Vel)
A2 1-32-1
3
470
k!l , 1-watt, 10% (Vel-
R301 , R309 ,
Viol-Vel)
R310
A2 3-5-2
2.2
n, 2-watt, 10%
R302
(Red-Red-Gold)
A2 3-11-2
3.9
n, 2-watt, 10%
R303
(Org-Wht-Gold)
A3 5-1-3
2100 n (2.7 k!l) ,
R306
3-watt, 10%
CAPACITORS
Ceramic
81 21-33
3.3 pF C317
81 21-120
2 500 pF
C314, C315
81 21-141
.0033
J.LF
C319
81 21-16
.
01 J.LF
C318