Parts List:
Item no. Qty. Part no.
1 1 U1 LM350T, Adjustable Positive VR 3A
2 1 U2 LM319, High Speed Dual Comparator
3 1 U3 MC14536, DTMF Receiver IC
4 2 U4, U12 PIC16F84, 18 Pin Flash EEPROM 8-bit Microcontroller
5 1 U5 24LC64, 64K CMOS Serial EEPROM
6 1 U6 LM358, Low Power Dual Operational Amplifier
7 1 U7 LM555, IC Timer
8 3 U8, U10, U11 LM567, Tone Decoder
9 1 U9 CD4001, Quad 2-input NOR Buffered B Series Gate
10 1 LCD1 PVC160203PTL, 16 x 2 LCD Module
11 1 Q1, Q2 PN100, NPN 45V 250 MHz, 0.5A
13 2 D1-D4, D9-D12 W02, 1.5 100V Bridge Rectifier
14 3 D5, D6, D13 1N4001, 1A, 50V Rectifier Diode
15 2 D7, D8 1N4148, Silicon Switching Signal Diodes
16 1 X1 3.55 MHz, Crystal
17 2 X2, X3 8 MHz, Crystal
18 1 R32 47ohms, ¼ W, Carbon 5%
19 1 R11 100ohms, ¼ W, Carbon 5%
20 1 R2 120ohms, ¼ W, Carbon 5%
21 1 R34 330ohms, ¼ W, Carbon 5%
22 1 R8 510ohms, ¼ W, Carbon 5%
23 1 R32 560ohms, 1 W, Carbon 5%
24 1 R7 1K, ¼ W, Carbon 5%
25 1 R14 2K, ¼ W, Carbon 5%
26 3 R24, R27, R30 4.7K, ¼ W, Carbon 5%
27 1 R1 5K, Trimmer
28 8 R3, R9, R10, 10K, ¼ W, Carbon 5%
R16, R17,
R18, R31, R33
29 1 R4 10K, Trimmer
30 3 R23, R25, R28 20K, ¼ W, Carbon 5%
31 2 R21, R22 25K, Bourns Trimmer
32 1 R20 33K, ¼ W, Carbon 5%
33 2 R26, R29 50K, Bourns Trimmer
34 1 R19 200K, ¼ W, Carbon 5%
35 1 R15 300K, ¼ W, Carbon 5%
36 2 R6, R12 1M, ¼ W, Carbon 5%
37 1 R5 10M, ¼ W, Carbon 5%
38 2 C5, C11 0.01uF Ceramic Capacitor
39 1 C4 0.1uF Ceramic Capacitor
40 8 C7, C9, C12, 0.47uF 10 V, Electrolytic Capacitor
C13, C16, C17,
C20, C21
41 6 C3, C6, C8, 1uF 10 V, Electrolytic Capacitor
C15, C19, C23
42 3 C14, C18, C22 2.2uF 10 V, Electrolytic Capacitor
43 1 C2 10uF 16 V, Electrolytic Capacitor
44 1 C10 22uF 16 V, Electrolytic Capacitor
45 1 C24 220uF 16 V, Electrolytic Capacitor
46 1 C1 4700uF 16 V, Electrolytic Capacitor
47 1 K1 DPDT Relay, 5A, 6V
48 1 T1 Transformer, 220V, 6-0-6V, 750mA
49 1 PL1 AC Line Cord
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