HAKKO 936 - My Upgraded Board Parts List Note: R2 - R17 are 1/4W on the OEM board and actually fit the board spacing better. R5, R11, R9 should remain 1/4W to relieve congestion in that area. I used all 1/2W resistor because of availability. C1 220uf 50V Electrolytic C2 47uf 50V Electrolytic C3 47uf 50V Electrolytic C4 0.01uf (103) 50V Ceramic Disk C5 0.1uf (104) 50V Ceramic Disk C6 0.1uf (104) 50V Ceramic Disk C7 0.1uf (104) 50V Ceramic Disk C9 0.1uf (104) 50V Ceramic Disk R1 360 5W 5% Wirewound 378 - 342 ohms R2 1.8k 1/2W 5% Carbon Film 1,890 - 1,710 ohms R3 15k 1/2W 5% Carbon Film 15,750 - 14,250 ohms R4 330 1/2W 5% Carbon Film 347 - 314 ohms R5 1.0k 1/2W 1% Metal Film 1,010 - 990 ohms R6 27.0k 1/2W 1% Metal Film 27,270 - 26,730 ohms R7 5.1k 1/2W 1% Metal Film 5,151 - 5,049 ohms R8 390 1/2W 1% Metal Film 394 - 386 ohms R9 66.5k 1/2W 1% Metal Film 67,165 - 65,835 ohms R10 680 1/2W 5% Carbon Film 714 - 646 ohms R11 180.0k 1/2W 1% Metal Film 181,800 - 178,200 ohms R12 130.0k 1/2W 1% Metal Film 131,300 - 128,700 ohms R13 100k 1/2W 5% Carbon Film 105,000 - 95,000 ohms R14 1.0k 1/2W 5% Carbon Film 1,050 - 950 ohms R15 24k 1/2W 5% Carbon Film 25,200 - 22,800 ohms R16 12k 1/2W 5% Carbon Film 12,600 - 11,400 ohms R17 1M 1/2W 5% Carbon Film 1,050,000 - 950,000 ohms PVR1 TEMP ADJ POT - ALPS RK09L1140A65 (5K Linear) - Mouser only VR2 CAL TEMP POT - Bournes 3362P-1-301LF (300 ohm Linear) - Mouser and DigiKey D1 1N4148 Small Signal Diode D2 1N4148 Small Signal Diode D3 1N4002 Rectifier Diode IC1 NEC UPC1701C, Zero Volt Switch - eBay IC2 NEC UPC324C, Low Power Quad OpAmp - eBay Q1 NEC AC05D 5A Triac (AC05DGM) - eBay and hakkousa.com ZD1 1N751A-1 5.1Vz 500mW Zener Diode ZD2 1N751A-1 5.1Vz 500mW Zener Diode 8 Pin DIP Socket 14 Pin DIP Socket Fuse 2A Fast Blow 5mm X 20mm Glass Cartridge Solder in Place Heat Sink Aavid 507002B00000G - Mouser and DigiKey LED Red 5mm LED Spacer 1/4 inch PCB eBay store moutoulos or www.moutoulos.com/eshop/