Categories
IO_Board:
Here is the part list:
| Image | Description | Part | Value | Qty |
 | Jack 6,35 NRJ4HF | BD, CB, CH, CP/MA, CY, HT/HC, LT/LC, MASTER, MT/MC, OH, RS/CL, SD, TRIG1, TRIG2 | 14 | |
 | Electrolytic capacitor | C1 | 10/25 | 1 |
 | Diode | D9 | 1N4148 | 1 |
 | Din connector | DIN_SYNC, IN, OUT, THRU | 4 | |
 | Optocoupler | IC4 | 6N138 | 1 |
 | Cable 4Pos | JP1, JP2, JP3 | 3 | |
 | Cable 10Pos | JP4 | 1 | |
 | Audio Cable | MST | 25cm | 1 |
 | PNP Silicon Transistor | Q1, Q2 | 2SA733 | 2 |
 | 1/4w Carbon resistor | R1, R2, R3, R4, R6, R7, R13 | 33K | 7 |
 | 1/4w Carbon resistor | R5, R23, R26 | 22K | 3 |
 | 1/4w Carbon resistor | R8, R9, R11, R22, R25 | 47K | 5 |
 | 1/4w Carbon resistor | R10 | 56K | 1 |
 | 1/4w Carbon resistor | R12 | 1K2 | 1 |
 | 1/4w Carbon resistor | R14, R24, R27 | 1K | 3 |
 | 1/4w Carbon resistor | R16 | 5k6 | 1 |
 | 1/4w Carbon resistor | R17, R18, R19, R20, R21 | 220 | 5 |
 | 1/4w Carbon resistor | R31, R32 | 2K2 | 2 |
 | 1/4w Carbon resistor | R33, R34 | 100K | 2 |
Make it:
 | Here is the IO_Board |
 | Solder all resistors. Solder each value one after the other. |
 | Solder D9 diode 1N4148 MAKE SURE DIODE IS IN THE RIGHT WAY |
 | Solder the electrolytic capacitor MAKE SURE ELECTROLYTIC CAPACITOR IS IN THE RIGHT WAY
|
 | Assemble the two 2SA733 transistors they are the output buffers of TRIG1 and TRIG2
MAKE SURE TRANSISTORS ARE IN THE RIGHT WAY |
 | Solder the 14 6.35mm Jacks |
 | Solder the four Din connectors |
 | Solder the 6N138 optocoupler |
 | Solder the three cable 4 wires and the cable 10-wire on IO_Board. |
 | Strip one end of the audio cable and connect both ground together as a on the picutre. Tin your cable. |
 | Strip the other side and cutting both ground.Tin it. |
 | Solder the end of the cable who has three wires (red, white and ground) to IO_Board. Take the red wire to No. 1, the ground in the middle and white for the No. 3 as the picture. |
 | Now solder the cables 4-wires and 10-wires to the Main_Board. This is a bit tricky. Be careful. |
 | Now solder the other end of the audio cable to the Main_Board in the master section. Take the red wire as No. 1 and No. 3 for white. There is nothing to solder on the pad in the middle. |
 | Desoldering and make power cables shorter with a length of 8cm. |
 | Resolder the power supply cables. RESPECT THE ORDER OF WIRING. LOOK WELL THE PICTURE. THE PADS ARE FACING EACH OTHER! You can then go to Finished assembly |
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