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Item
Background Sound Board
pIn
C-11030
Part No.
Ckt Designation
Description
Bare P. C. Board
U1
IC, D/A Convtr, MC1408
U2
IC, PIA, MC68B21
U3
IC, RAM, 2016
U6
IC,74LS74
U7
IC,74LS138
U8
IC,74LS10
U9
IC, Op Amp, MC1458
Q1
Transistor, 2N3904, NPN
R1, R4, R11
Resistor, 3.3K, 5%, 1I4w, Carbon Film
R2, R3, R5 - R8
Resistor, 4.7K, 5%,
1/4w,
R16, R17, R21
CarbonFilm
12 5010-08997-00 R12
Resistor, 2.7K, 5%,
1/4w,
Carbon Film
13 5010-09179-00 R10
Resistor, 3.3M, 5%,
1/4w,
Carbon Film
14 5010-09034-00 R14, R15
Resistor, 10K, 5%,
1/4w,
Carbon Film
15 5010-09363-00 R18
Resistor, 5.6K,5%,
1/4w,
Carbon Film
16 5010-09324-00 R19, R20
Resistor, 27K, 5%,
1/4w,
Carbon Film
17 5043-09844-00 C1
Capacitor, 47 pfd, ceramic, 50V, axial
18* 5043-08980-00 C2, C5, C6
Capacitor, .01 mfd, ceramic, 50V, axial
19 5043-09343-00 C3
Capacitor, 10 mfd, electr., 20V, axial
20 5043-09030-00 C4
Capacitor, .047 mfd, ceramic, 50V, axial
21 5043-09845-00 C7, C8
Capacitor, .001 mfd, ceramic, 50V, axial
22 5040-10974-00 C9
Capacitor, 100mfd, electr., 35V, axial
23 5551-10161-00 L1
Inductor, 2.0 IlH, 3A
24 5791-10862-04 J1, J2, J3
Connector, 4 pin (Hdr)
25 5791-09437-00 J4
Connector, 20 pin, (Hdr) Ribbon Cable
26 5700-10176-00
IC Socket, 28 pin
a) A-5343-541-4 U4
IC, BIG Sound ROM
27 5700-08985-00
IC Socket, 40 pin
a) 5400-10320-00 U5
IC, IlProcessor, MC68B09E
28 5010-09534-00 W1, R9
Resistor,
on,
1/4w,
Carbon Film
29 5521-10931-00 CR1
Oscillator,8MHz
Note: Six capacitors provide +5VDC filtering for ICs; they are shown on diagram with "B" symbol.
1
2
3
4
5
6
7
8
9
10
11
5766-10929-00
5371-09152-00
5430-10322-00
5340-09878-00
5281-09487-00
5281-09745-00
5281-09235-00
5281-09321-00
5160-10269-00
5010-08983-00
5010-08991-00
•