Updated 3/5/2002 parts list for WB display 
Misc Notes:
  • The D5 1N4004 and RV1 18V MOV may both be replaced

  • with one D5 Transient Suppressor Diode from the DIY list.
  • The holes beside RV1 are enlarged for the TVS.
  • Mulitple part numbers are ordered by price, any may be used.
  • Pin 1 has square via, polarized cap pin 1 = +
  • Diodes: pin 1 = anode, pin 2 (cathode) has band 
  • In part numbers below, DK=Dig*Key, JC=Jam*o
  • Approximate cost for the parts is about $20-$25
Part Description Supplier and Part # 
C1 not used  
C2,C3 4.7 mfd 12V DK   P5134-ND (10 ufd 16V)
C4,C5,C6
C7,C8,C10,C11
0.1 mfd bypass DK 1210PHCT-ND 
C9 optional noise/jitter filter  
C12 47mfd 35V DK P5181-ND
D1,D2
D3,D4
1N4004 DK 1N4007GICT-ND
D5 24 volt Transient Voltage Suppressor DK   1.5KE24ADICT-ND
U11 LM7808 HEAT SINK required 
Tab may be grounded
DK   NJM7808FA-ND
U2 LM2902N or LM324N DK LM2902NNS-ND
U3,U4,U5,U6 LM3914N JC 24230 
DK LM3914N-1-ND
U7,U8 10 LED bar (RICH, green) DK   MV54164-ND 
DK 160-1067-ND 
DK 67-1008-ND
U9,U10 10 LED bar (LEAN, red) DK MV57164-ND 
DK 160-1066-ND 
DK 67-1010-ND 
J24 15 pin Min D Male PCB mount JC 71124 
DK A23281-ND
R1,R11
R12,R16
1K 1/4 W 1% DK 1.00KXBK-ND
R14 2.15K 1/4 W 1% DK 2.15KXBK-ND
R3 2.80K 1/4 W 1% DK 2.80KXBK-ND
R13 61.9K 1/4 W 1% DK 61.9KXBK-ND
R15 82.5K 1/4 W 1% DK 82.5KXBK-ND
R2,R4 3.6K 1/4 W 5% DK 3.6KQBK-ND
R5,R6
R7,R8
4.7K 1/4 W 5% DK 4.7KQBK-ND
R9,R10 18 ohm 1/2 W 5% DK 18H-ND

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