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gen7_board-arm_2.0_assembly [2016/03/03 17:26]
Traumflug [Assembly in Detail] Last(!) row of assembly pictures.
gen7_board-arm_2.0_assembly [2016/05/11 16:02]
Traumflug [Assembly in Detail] The 1 Mohms ones are R5 and R7.
Line 25: Line 25:
 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 04.jpeg?​direct&​200 |Start on the component side with the 9 wire bridges. They'​re the matte green tracks in the layout graphics.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 05.jpeg?​direct&​200 |R11 and R12 have 10\_Ω, so they'​re color-coded **brown-black-black**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 06.jpeg?​direct&​200 |R14, R19 and R22 have 560\_Ω, color code **green-blue-brown**.}}| |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 04.jpeg?​direct&​200 |Start on the component side with the 9 wire bridges. They'​re the matte green tracks in the layout graphics.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 05.jpeg?​direct&​200 |R11 and R12 have 10\_Ω, so they'​re color-coded **brown-black-black**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 06.jpeg?​direct&​200 |R14, R19 and R22 have 560\_Ω, color code **green-blue-brown**.}}|
 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 07.jpeg?​direct&​200 |R2, R4, R6, R8, R10, R16 and RT1 (7 each) have 1\_kΩ, color code **brown-black-red**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 08.jpeg?​direct&​200 |The other thermistor comparison resistor, RT2, has 4.7\_kΩ, or **yellow-violet-red**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 09.jpeg?​direct&​200 |R1, R3 and R30 are 10\_kΩ, coded **brown-black-orange**.}}| |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 07.jpeg?​direct&​200 |R2, R4, R6, R8, R10, R16 and RT1 (7 each) have 1\_kΩ, color code **brown-black-red**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 08.jpeg?​direct&​200 |The other thermistor comparison resistor, RT2, has 4.7\_kΩ, or **yellow-violet-red**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 09.jpeg?​direct&​200 |R1, R3 and R30 are 10\_kΩ, coded **brown-black-orange**.}}|
-|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 10.jpeg?​direct&​200 |The last resistors, ​R1, R3 and R30 have 1\_MΩ, color code **brown-black-green**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 11.jpeg?​direct&​200 |D1 and D2 are diodes, so you have to take care of polarity for the first time. Diodes have a white ring on the housing, which must end up closer to the bottom of the board.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 12.jpeg?​direct&​200 |L1 looks like a thick resistor, but is actually a coil. Inserting direction doesn'​t matter here. Color code is **brown-black-black**.}}|+|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 10.jpeg?​direct&​200 |The last two resistors, ​R5 and R7, have 1\_MΩ, color code **brown-black-green**.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 11.jpeg?​direct&​200 |D1 and D2 are diodes, so you have to take care of polarity for the first time. Diodes have a white ring on the housing, which must end up closer to the bottom of the board.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 12.jpeg?​direct&​200 |L1 looks like a thick resistor, but is actually a coil. Inserting direction doesn'​t matter here. Color code is **brown-black-black**.}}|
 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 13.jpeg?​direct&​200 |U6 is the crystal generating MCP2200'​s clock. Insert it in either direction.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 14.jpeg?​direct&​200 |Now it's a good time to insert all 10 of the 0.1\_μF noise canceling capacitors, C8...C17 and C19. Again, direction doesn'​t matter.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 15.jpeg?​direct&​200 |C3 and C4 are 22\_pF and make the clock crystal swing. Insertion direction doesn'​t matter either.}}| |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 13.jpeg?​direct&​200 |U6 is the crystal generating MCP2200'​s clock. Insert it in either direction.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 14.jpeg?​direct&​200 |Now it's a good time to insert all 10 of the 0.1\_μF noise canceling capacitors, C8...C17 and C19. Again, direction doesn'​t matter.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 15.jpeg?​direct&​200 |C3 and C4 are 22\_pF and make the clock crystal swing. Insertion direction doesn'​t matter either.}}|
 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 16.jpeg?​direct&​200 |LED2, LED5 and the 3.3\_V LED are green. As LEDs are diodes, direction matters. The longer of their legs is +, which happens to go into the upper hole for LED2 and LED5, and the lower hole for 3.3\_V LED. You can also compare with the + sign in the layout.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 17.jpeg?​direct&​200 |Same for the yellow Stby (Standby) LED, the longer leg goes into the lower hole.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 18.jpeg?​direct&​200 |The reset switch fits in two directions, both of which are fine.}}| |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 16.jpeg?​direct&​200 |LED2, LED5 and the 3.3\_V LED are green. As LEDs are diodes, direction matters. The longer of their legs is +, which happens to go into the upper hole for LED2 and LED5, and the lower hole for 3.3\_V LED. You can also compare with the + sign in the layout.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 17.jpeg?​direct&​200 |Same for the yellow Stby (Standby) LED, the longer leg goes into the lower hole.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 18.jpeg?​direct&​200 |The reset switch fits in two directions, both of which are fine.}}|
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 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 25.jpeg?​direct&​200 |As (for now) last electronic component, solder the 28-pin LPC1114 socket in. One end has a groove, which should point to the right.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 26.jpeg?​direct&​200 |There are 6 Molex KK256 2-pin headers for various purposes. Direction isn't crucial, but it's a nice idea to stick to the layout.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 27.jpeg?​direct&​200 |Stepper motor headers are Molex KK256 4-pin. Don't save too much on solder, as quite some current flows through these pins.}}| |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 25.jpeg?​direct&​200 |As (for now) last electronic component, solder the 28-pin LPC1114 socket in. One end has a groove, which should point to the right.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 26.jpeg?​direct&​200 |There are 6 Molex KK256 2-pin headers for various purposes. Direction isn't crucial, but it's a nice idea to stick to the layout.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 27.jpeg?​direct&​200 |Stepper motor headers are Molex KK256 4-pin. Don't save too much on solder, as quite some current flows through these pins.}}|
 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 28.jpeg?​direct&​200 |To complete with the KK256 parts, add in the 6-pin SPI headers. Here it's an even better idea to stick to the layout, as plug-ins for this header may also rely on this convention.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 29.jpeg?​direct&​200 |Now the somewhat bulky USB header. It snaps into place. Make sure to also solder the snappers, as these are needed for proper shielding.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 30.jpeg?​direct&​200 |When inserting the disk power header, it's crucial to get the chamfers right (to the outside). Else you'll have only 5\_volts to drive your steppers.}}| |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 28.jpeg?​direct&​200 |To complete with the KK256 parts, add in the 6-pin SPI headers. Here it's an even better idea to stick to the layout, as plug-ins for this header may also rely on this convention.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 29.jpeg?​direct&​200 |Now the somewhat bulky USB header. It snaps into place. Make sure to also solder the snappers, as these are needed for proper shielding.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 30.jpeg?​direct&​200 |When inserting the disk power header, it's crucial to get the chamfers right (to the outside). Else you'll have only 5\_volts to drive your steppers.}}|
-|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 31.jpeg?​direct&​200 |The 8-pin ATX12V header has a nose, which must point to outside of the board. Don't save on solder, big currents are going to flow here.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 32.jpeg?​direct&​200 |The ATX24 header has also a nose, this time it has to point inwards.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 33.jpeg?​direct&​200 |This is the header for the extruder heater. Similar to the KK265 2-pin, but bigger.}}|+|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 31.jpeg?​direct&​200 |The 8-pin ATX12V header has a nose, which must point to outside of the board. Don't save on solder, big currents are going to flow here.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 32.jpeg?​direct&​200 |The ATX24 header has also a nose, this time it has to point inwards.}}|{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 33.jpeg?​direct&​200 |This is the header for the extruder heater. Similar to the KK256 2-pin, but bigger.}}|
 |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 34.jpeg?​direct&​200 |Last not least, solder in the screw terminal for the heated bed heater. Don't save on solder, big currents here.}}|{{ :​gen7:​gen7_board-arm_2.0_back.jpeg?​direct&​300 |For reference, this is how the board'​s backside should look about now. Minus both big MOSFETs.}} || |{{ :Gen7:Gen7 2.0:Gen7 2.0 Assembly 34.jpeg?​direct&​200 |Last not least, solder in the screw terminal for the heated bed heater. Don't save on solder, big currents here.}}|{{ :​gen7:​gen7_board-arm_2.0_back.jpeg?​direct&​300 |For reference, this is how the board'​s backside should look about now. Minus both big MOSFETs.}} ||
  
gen7_board-arm_2.0_assembly.txt · Last modified: 2018/05/27 16:10 (external edit)