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Board is permanently marked -01 or -02 after "A034986", located between rows 10 & 11 (-01 for PROM, -02 for ROM version).

Item Part No. Description (Reference Designations and Locations in Bold)

4 100000-121 120 Ohm, ±5%, V*W Resistor (R105,109)

6 100000-331 330 Ohm, ±5%, I/4W Resistor (R30, 31,115)

7 100000-471 470 Ohm, ±5%, VaW Resistor (R32, 87-99)

8 100000-681 680 Ohm, ±5%, 1AW Resistor <R57, 61)

9 100000-102 1K Ohm, ±5%, ViW Resistor (R27, 29, 53, 73, 85, 86, 132, 134)

10 100000-271 270 Ohm, ±5%, V*\N Resistor (R112,113)

11 100000-122 1.2K Ohm, ±5%, Va\N Resistor (R35, 100)

12 100000-222 2.2K Ohm, ±5%, 1/4W Resistor (R36, 75, 117, 123, 133, 141)

14 100000-332 3.3K Ohm, ±5%, 'AW Resistor <R56, 65, 74, 142)

15 100000-392 3.9K Ohm, ±5%, 1/tW Resistor (R39, 64, 106-108)

16 100000-472 4.7K Ohm, ±5%, 1AW Resistor (R37, 82, 102, 137, 140, 144)

17 100000-562 5.6K Ohm, ±5%, Va\N Resistor (R40, 62, 67)

18 100000-682 6.8K Ohm, ±5%, 1AW Resistor {R49,104, 128, 129)

20 100000-103 10K Ohm, ± 5%, 1/4 W Resistor (R9-26, 28, 33, 38, 54, 58-60, 63, 69, 70, 79. 80

103, 110, 111, 116, 122, 130, 131, 135, 136, 138, 139)

23 100000-183 18K Ohm, ±5%, 1AW Resistor (R51, 146)

24 100000-223 22K Ohm, ±5%, ViW Resistor (R1-8, 34, 41, 45, 50)

26 100000-473 47K Ohm, ± 5%, 1/4 W Resistor (R42, 44, 48, 76, 78, 83, 114)

28 100000-104 100K Ohm, ±5%, 1AW Resistor (R46, 81, 84, 143)

30 100000-274 270K Ohm, ± 5%, 1/4W Resistor (R101)

34 19-007 10K Ohm, 8-Pin Resistor Network. Use with the LS170 only, item 120. (RP1, 2)

35 19-315103 10K Ohm Vertical PCB-Mounting Cermet Trimpot, Bournes Series

39 21-101104 .1 uf, ±10%, Radial-Lead Epoxy-Dipped 100V Mylar Capacitor (C64, 67-69)

40 21-101224 .22 uf, ±10%, Radial-Lead Epoxy-Dipped 100V Mylar Capacitor (C33)

41 21-101473 .047 uf, ±10%, Radial-Lead Epoxy-Dipped 100V Mylar Capacitor (C46)

44 24-250105 1.0 uf Aluminum Electrolytic Fixed Axial-Lead 25V Capacitor {C25, 70, 90, 92,

45 24-250107 100 uf Aluminum Electrolytic Fixed Axial-Lead 25V Capacitor (C19)

46 24-250477 470 uf Aluminum Electrolytic Fixed Axial-Lead 25V Capacitor (C86, 87)

47 24-250226 22 uf Aluminum Electrolytic Fixed Axial-Lead 25V Capacitor (C117)

49 27-250102 .001 uf Ceramic-Disc 25V Radial-Lead Capacitor (C56)

50 27-250103 .01 uf Ceramic-Disc 25V Radial-Lead Capacitor (C27, 32, 36, 40, 55, 58)

51 29-088 .1 uf Ceramic-Disc 25V Radial-Lead Capacitor (C1-18, 20-23, 26, 28-31, 34, 37,

41-44, 49, 51-54, 57, 60, 61, 63, 65, 66, 71-85, 91, 94-96, 99, 100, 103, 104, 107, 108, 111, 112, 114-116,120-123)

53 28-101100 10 pt Had ial-Lead Epoxy-Dipped 100V Mica Capacitor (C97, 105)

54 28-101680 68 pf Radial-Lead Epoxy-Dipped 100V Mica Capacitor (C102,110)

55 28-101101 100 pf Radial-Lead Epoxy-Dipped 100V Mica Capacitor (C89)

56 28-101221 220 pf Radial-Lead Epoxy-Dipped 100V Mica Capacitor (C98, 106, 118, 119)

57 28-101271 270 pf Radial-Lead Epoxy-Dipped 100V Mica Capacitor (C59)

58 28-101391 390 pf Radial-Lead Epoxy-Dipped 100V Mica Capacitor (C88)

61 29-006 1.0 uf, ± 10%, 35V Tantalum Capacitor (C24, 35, 47, 50, 62,113)

63 2&046 10 uf, ± 10%, 20V Tantalum Capacitor (C38, 39, 45, 48)

65 65-1N100 General Purpose Germanium Diode (CR14)

66 31-1N914 75V 1N914 Switching Diode (CR1-4, 6-8, 15)

Item Part No. Description (Reference Designations and Locations in Bold)

67 31-1N4001 50V 1N4001 Silicon Rectifier Diode (CR9-12)

68 31-1N756A 8.2V, ±5%, 1N756A Zener Diode <CR13, 14)

71 33-2N3906 Type 2N3906 PNP Switching and Amplifying Transistor (Q1-5, 7, 10, 16, 17)

72 34-2N3643 Type 2N3643 NPN Silicon Transistor (Q6)

73 34-2N3904 Type 2N3904 NPN 60V 1-Watt Transistor (Q8, 9)

74 34-2N6044 Type 2N6044 Darlington NPN Transistor (Q11-13)

75 34-MPSA06S Type MPSA06S NPN 80V 500ma Transistor iQ14, 15)

78 37-74LSOO Type 74LS00 Integrated Circuit <N5, C6)

79 37-74LS02 Type 74LS02 Integrated Circuit (D6)

80 37-7404 Type 7404 Integrated Circuit (H10)

81 37-74LS04 Type 74LS04 Integrated Circuit (B5, L5)

82 37-7406 Type 7406 Integrated Circuit (N9)

83 37-74LS08 Type 74LS08 Integrated Circuit (E6, K6, R7, B8)

84 37-74LS10 Type 74LS10 Integrated Circuit (A8)

85 37-74LS14 Type 74LS14 Integrated Circuit (B6)

86 37-74LS20 Type 74LS20 Integrated Circuit (E5)

87 37-74LS32 Type 74LS32 Integrated Circuit (M5, N6, B9)

88 37-74LS42 Type 74LS42 Integrated Circuit (L6, E7, E8)

89 37-74LS74 Type 74LS74 Integrated Circuit (D4, A7, R8)

91 37-74LS83 Type 74LS83 Integrated Circuit (M6)

92 37-74LS86 Type 74LS86 Integrated Circuit <P5)

93 37-7497 Type 7497 Integrated Circuit (F8, H8, J8, K8)

94 37-74LS109 Type 74LS109 Integrated Circuit (A9)

95 37-74LS139 Type 74LS139 Integrated Circuit (L3, E4)

97 37-74LS157 Type 74LS157 Integrated Circuit (F3, H3, J3, K3, F6, A10, B/C10, F/H10, C10

98 37-74LS161 Type 74LS161 Integrated Circuit (C5, P8, B7, C7, D7)

99 37-74LS 164 Type 74LS164 Integrated Circuit (K9, P9, R9)

101 37-74LS174 Type 74LS174 Integrated Circuit (N7, P7, D8, N11, F10)

102 37-74LS 175 Type 74LS175 Integrated Circuit (M7)

104 37-74LS 191 Type 74LS191 Integrated Circuit (K5, C9, D9, E9, F9, H9, J9)

105 37-74LS193 Type 74LS193 Integrated Circuit (F5, H5, J5)

106 37-74LS244 Type 74LS244 Integrated Circuit (B2, C2)

107 37-74LS245 Type 74LS245 Integrated Circuit (R2, E3) OR

108 37-8304B Type 8304B Integrated Circuit—substitute for item 107 (P2, E3)

110 37-74LS251 Type 74LS251 Integrated Circuit (J10, L10)

111 37-74LS253 Type 74LS253 Integrated Circuit (P6)

112 37-74LS259 Type 74LS259 Integrated Circuit (M10) 114 37-74LS367 Type 74LS367 Integrated Circuit (H6, J6)

116 37-74LS393 Type 74LS393 Integrated Circuit (B4, D5)

117 37-74LS374 Type 74LS374 Integrated Circuit (B10, D10) OR

118 37-74LS273 Type 74LS273 Integrated Circuit—substitute for item 117

119 37-74LS670 Type 74LS670 Integrated Circuit (F4, H4, J4) OR

120 37-74LS170 Type 74LS170 Integrated Circuit—substitute for item 119

121 37-9316 Type 9316 Integrated Circuit (C4)

122 37-LM324 Type LM324 Integrated Circuit (L8, P11)

124 37-555 Type 555 Timer Integrated Circuit (M8, N8, L9, R10)

125 37-566 Type 566 Function Generator Integrated Circuit <P10)

127 37-4016B Type 4016B Integrated Circuit (M9, N10, R11, B12, D12)

128 37 TL082CP Type TL082CP Integrated Circuit (A12, C12)

129 37-AD561J Type AD561J Integrated Circuit (B11, D11)

130 137108-001 Operational Amplifier Integrated Circuit (B/C12, E12)

Item Part No. Description (Reference Designations and Locations in Bold)

132 37-7805 +5V Voltage Regulator (VR3)

133 37-7812 + 12V Voltage Regulator (VR1)

134 37-7815 + 15V Voltage Regulator (VR4)

135 37-7915 - 15V Voltage Regulator (VR2)

137 38-MV5053 Type MV5053 Light-Emitting Diode (CR5)

139 41-3003 100 uH, ±5%, Hot-Molded Plastic Fixed R.F. Choke (L1-L15)

141 62-001 SPST Pushbutton Switch (A6)

142 66-118P1T 8-Station Single-Throw, Dual-lnline-Package Bit Switch (R6)

143 66-114P1T 4-Station Single-Throw, Dual-lnline-Package Bit Switch (M12)

144 79-42C40 40-Contact Medium-Insertion-Force Integrated Circuit Socket (C3) 146 81-4302 Nylon Snap-In Fastener

148 020670-01 Test Point

151 90-6013 Microprocessor (C3)

152 90-7033 Random-Access Memory (D2, E2, M4, N4, P4, R4) 155 034602-01 Programmable Read-Only Memory (C8)

157 035127-01 Read-Only Memory (N/P3)

OR THE FOLLOWING TWO ITEMS:

159 035129-01 Programmable Read-Only Memory, MSB—substitute for half of item 157 (K4)

159 035130-01 Programmable Read-Only Memory, LSB—substitute for half of item 157 (L4)

For remaining memory components and their part numbers, see listing below.

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