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A-16917 -50042
Sound Board Assembly
Part Number
Designator
Description
Part Number
Designator
Description
4004-01005-06
U27,U28
MS, 4-40 x 3/8'
5070-09054-00
05-09
Diode Signal 1N4004
4404-01119-00
U27,U28
Nut 4-40
5250-13302-00
U25
78L05 Pos 5V reg TO-92
5010-08772-00
R39, R41
Resistor, 15Kn, '.4w, 5% 5250-13303-00
U26
79L05 Neg 5V Reg TO-92
5010-08774-00
R30, R34, R37,
Resistor, 22Kn, '.4w, 5% 5283-10551-00
U17
IC74FOO Fast Quad NAND
R42, R45
5311-10946-00
U22
IC74HC74 Dual 0 Flip Flop
5010-08991-00
R10, R12-R16
Resistor, 4.71l,'.4 w, 5%
5311-10947-00
U23
IC74HC125 Quad Tri-State Buffer
5010-09034-00
R47
Resistor, 10Kll, '.4w, 5% 5311-10948-00
U15
IC74HC138 1 of 8 Decoder
5010-09035-00
Rll, R19, R33, R40
Resistor, 47Kn, '.4w, 5% 5315-12009-00
U18,U19
IC74HCT374 Octal 0 Flip Flop
5010-09036-00
R46
Resistor, 1001l, '.4w, 5% 5311-12043-00
U13,U14
IC74HC174 Hex D Flip Flop
5010-09219-00
R31, R32, R38
Resistor, 8.2Kn, '.4w, 5% 5311-12538-00
U24
IC74HC14 Hex Schmitt Inverter
5010-09358-00
R50
Resistor, 1Kn,'.4 w, 5%
5311-12287-00
U30-U32
IC74HC541 Octal Bus Driver
5010-09534-00
W4,W6
Resistor,Oll (Jumper)
5340-13304-00
Ul0-U12
ICSRAM 2Kx8 35ns .300 DIP
5010-13420-00
R36,R44
Resistor, 6801l, '.4w, 5% 5370-12730-00
U21,U29
ICTL084 Quad Op AMP
5010-13607-00
R20-R29, R48, R49
Resistor, 6.2Kn, 1/8w, 1% 5370-13419-00
U27,U28
Audio Power Amp TDA2030AV
5010-13517-00
R35,R43
Resistor, 151l, '.4w, 5%
5371-13299-00
U20
IC DAC AD-185116Bit
5040-09365-00
C15, C18, C19,
Cap., 1j.JF,63v, Alum Ax.
5520-13301-00
Y1
Crystal10MHz Parallel resonant
C32, C41
5551-09822-00
L1
Inductor, 4.7j.JH, 3Amp.
5040-09421-00
C52
Cap., 100j.JF,25v,Alum Ax.
5700-12047-00
U16
IC, Socket 24-Pin .300 DIP
5040-13417-00
C20, C21
Cap., 10,OOOj.JF,35v,Alum.
5700-12088-00
U2-U9
IC, Socket 32-Pin .600 DIP
5041-09009-00
C36,C44
Cap., 22j.JF,10v, Tant Alum 5705-12638-00
U27,U28
Heatsink 5298-B
5041-13187-00
C22
Cap., 4.7j.JF, Tant Axial.
5733-12060-01
F50l,F502
MT3AG PCMounted Fuse Holder
5043-08996-00
C4, C5, Cl0-C13
Cap., .10j.JF, 50v, Cer Ax.
5791-10862-04
Jl,J2
Connector, 4-pin Header STR .156
C31, C35, C38, C43,
5791-10862-05
J3
Connector, 5-pin Header STR .156
C46, C47, C50-C79
5791-10862-07
J4
Connector, 7-pin Header STR .156
5043-1 0267-00 C37,C45
Cap., 150pF,50v, Cer Ax.
5791-12516-00
P1
Connector, 34 Hen 2x17 STR .100
5048-11028-00
C16,C17
Cap., 22pF, 50v, Cer Ax.
A-17002
U16
PAL Sub-Assembly
5048-11029-00
C48
Cap., 100pF,50v, Cer Ax.
A-5343-50042-S2
U2
ROM Sub-Assembly
5048-11 030-00 C49
Cap., 470pF,50v, Cer Ax.
A-5343-50042-S3
U3
ROM Sub-Assembly
5048-11033-00
C33
Cap., .022j.JF,50v, CerAx.
A-5343-50042-S4
U4
ROM Sub-Assembly
5048-12036-00
C34,C42
Cap., .22j.JF, 50v, Cer Ax.
A-5343-50042-S5
U5
ROM Sub-Assembly
5048-13418-00
C30,C39,C40
Cap., .047j.JF,50v, Cer Ax.
A-5343-50042-S6
U6
ROM Sub-Assembly
5048-13608-00
C8
Cap., 6800pF, 50v, Cer Ax.
A-5343-50042-S7
U7
ROM Sub-Assembly
5048-13609-00
C7,C24,C26
Cap., 3900pF, 50v, Cer Ax.
Not Used
U8
ROM Sub-Assembly
5048-13610-00
C2, C3, C9, C27, C29 Cap., 1000pF, 50v, Cer Ax.
Not Used
U9
ROM Sub-Assembly
5048-13611-00
C6,C23,C25,C28
Cap., 680pF, 50v, Cer Ax.
5731-10356-00
F501, F502
Fuse, 3Amp, 250v, Slow Blow
5070-09045-00
01-04
MR-501 Rectifier Diode
2-5