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A-16917 -50025
Sound Board Assembly
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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
7SL05 Pos 5V reg TO-92
5010-08772-00 R39, R41
Resistor, 15Kn, '.4w, 5% 5250-1 3303-00
U26
79L05 Neg 5V Reg TO-92
5010-08774-00 R30, R34, R37,
Resistor, 22Kn, '.4w, 5% 5283-1 0551-00
U17
IC74FOO Fast Quad NAND
R42, R45
5311-1 0946-00
U22
IC74HC74 Dual 0 Flip Flop
5010-08991-00 Rl0, R12-R16
Resistor, 4.7n,'.4 w, 5% 5311-10947-00
U23
IC74HC125 Quad Tri-State Buffer
5010-09034-00 R47
Resistor, 10Kn, '.4w, 5% 5311-1 0948-00
U15
IC74HC1381 of 8 Decoder
5010-09035-00
an,
R19, R33, R40
Resistor, 47Kn, '.4w, 5% 5315-12009-00
U18,U19
IC74HCT374 Octal 0 Flip Flop
5010-09036-00 R46
Resistor, lOOn, '.4w, 5% 5311-12043-00
U13,U14
IC74HC174 Hex 0 Flip Flop
5010-09219-00 R31,R32,R36
Resistor. 6.2Kn, '.4w, 5% 5311-12536-00
U24
IC74HC14 Hex Schmitt Inverter
5010-09358-00 R50
Resistor, 1Kn,v.. w, 5% 5311-12287-00
U30-U32
IC74HC541 Octal Bus Driver
5010-09534-00 W4, W6
5340-13304-00
U10-U12
ICSRAM 2Kx8 35ns .300 DIP
5010-13420-00 R36,R44
Resistor,On (Jumper)
5370-12730-00
U21, U29
ICTL084 Quad Op AMP
5010-13607-00 R20-R29, R48, R49
Resistor, 680n, v..w, 5% 5370-13419-00
U27,U28
Audio Power Amp TDA2030AV
5011).13517-00 R35,R43
Resistor, 6.2Kn, 1/8w, 1% 5371-13299-00
U20
IC DAC AD-1851 16Bit
5041).09365-00 C15, C18, C19,
Resistor, 15n, v..w, 5%
5520-13301-00
Yl
Crystal 1OMHz Parallel resonant
C32, C41
Cap., , ~F, 63v, Alum Ax.
5551-09822 -DO
Ll
Inductor, 4.7~H, 3Amp.
5040-09421-00 C52
5700-12047-00
U16
IC, Socket 24-Pin .300 DIP
5040-13417 -00 C20, C21
Cap., 100~F,25v,Alum Ax.
5700-12088-00
U2-U9
IC, Socket 32-Pin .600 DIP
5041-09009-00 C36,C44
Cap., 10,OOO~F, 35v,Alum.
5705-12638-00
U27,U28
Heatsink 5298-B
5041-13187-00 C22
Cap., 22I.1F,10v, Tant Alum 5733-12060-01
F501,
F502
MT3AG PCMounted Fuse Holder
5043-08996-00 C4, C5. ClO-C13
Cap., 4.7jJF, Tant Axial.
5791-10862-04
J1,J2
Connector, 4-pin Header STR .156
C31, C35, C38, C43,
Cap., .10jJF, 50v, Cer Ax.
5791-10862-05
J3
Connector, 5-pin Header STR .156
C46, C47, C50-C79
5791-10862-07
J4
Connector, 7-pin Header STR .156
5043-10267 -00 C37, C45
5791-12516-00
Pl
Connector, 34 Hen 2x17 STR .100
5048-11028-00 C16,C17
Cap., 150pF,50v, Cer Ax.
A-17002
U16
PAL Sub-Assembly
5048-11029-00 C48
Cap., 22pF, 50v, Cer Ax.
A-5343-50025-S2
U2
ROM Sub-Assembly
5048-11030-00 C49
Cap., 100pF,50v, Cer Ax.
A-S343-50025-S3
U3
ROM Sub-Assembly
5048-11033-00 C33
Cap., 470pF,5Ov, Cer Ax.
A -5343-5002 5-S4 U4
ROM Sub-Assembly
5048-12036-00 C34, C42
Cap., .022I.1F,50v, CerAx.
A-5343-50025-55
US
ROM Sub-Assembly
5048-13418-00 C30, C39, C40
Cap., .221.1F,50v, Cer Ax.
A-5343-50025-56
U6
ROM Sub-Assembly
5048-13608-00 C8
Cap., .047I.1F,50v, Cer Ax,
A-5343-5002 5-S 7 U7
ROM Sub-Assembly
5048-13609-00 C7, C24, C26
Cap., 6800pF, 50v, Cer Ax.
Not Used
U8
ROM Sub-Assembly
5048-13610-00 C2,C3,C9,C27,C29
Cap., 3900pF, 50v, Cer Ax.
Not Used
U9
ROM Sub-Assembly
5048-13611 -00 C6, C23, C25, C28
Cap .. 1000pF, SOV,Cer Ax.
5731-10356-00
F501, F502
Fuse, 3Amp, 250v, Slow Blow
5070-09045 -00 01-04
Cap., 680pF, 50v, Cer Ax.
MR-501 Rectifier Diode
2-5
I