| Circuit Board #1 |
ITEM | DESCRIPTION | MODIFICATION |
1 | add pulldown Resistor, 390 Ohm | Pins 8 (P0.0/SCL/ASEL) and
pin 12 (GND) of Phillips S87C751-2N24 (24 pin Dip package) |
2 | add yellow wire #1 (30 Ga. Solid) | from minidin connector, P1, to U1, pin 8 |
3 | add yellow wire #2 (30 Ga. Solid) | from base pad of R1 to U1, pin 8 |
4 | cut trace #1, bottom of circuit board | from pin 4 of P1 on bottom of board to first via |
5 | cut trace #2, bottom of circuit board | from positive pin of C3 to negative pin of D1 |
6 | cut trace #3, top of circuit board | from negative pin of D1 to base of R4 |
7 | add black wire (18 Ga. stranded) | from from GND via near C3 of circuit board #1
to GND via near C3 of circuit board #2 |
8 | add red wire (18 Ga. stranded) | from via of trace connected to positive side of D1 on circuit board #1 to same location on circuit board #2 |
| Circuit Board #2 |
ITEM | DESCRIPTION | MODIFICATION |
9 | add 5 VOLT POWER SUPPLY | Cosel YS1005U |
10 | add pulldown Resistor, 390 Ohm | Pins 8 (P0.0/SCL/ASEL) and pin 12 (GND) of Phillips S87C751-2N24 (24 pin Dip package) |
11 | add yellow wire #1 (30 Ga. Solid) | from minidin connector, P1, to U1, pin 8 |
12 | add yellow wire #2 (30 Ga. Solid) | from base pad of R1 to U1, pin 8 |
13 | cut trace #1, bottom of circuit board | from pin 4 of P1 on bottom of board to first via |
14 | cut trace #2, bottom of circuit board | from positive pin of C3 to negative pin of D1 |
15 | cut trace #3, top of circuit board | from negative pin of D1 to base of R4 |
16 | add black wire (18 Ga. stranded) | from large GND via near C3 of circuit board #2
to GND pin of Cosel YS1005U |
17 | add red wire (18 Ga. stranded) | from positive post of C5 to VCC pin of Cosel YS1005U |
18 | add black wire (18 Ga. stranded) with ring terminal | from pin 1 of Crydom solid state relay #2 to AC(N) pin of Cosel YS1005U |
19 | add red wire (18 Ga. stranded) with ring terminal | from center post of AC outlet to AC(L) pin of Cosel YS1005U |