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STD Magnavox Odyssey 2 RGB unclked
License: CC-BY-SA 3.0
Mode: Editors' pick
- 2
Update time：
2022-03-30 05:52:40
Creation time：
2019-05-01 03:23:49
Description
Refer to https://i.imgur.com/HVM4GNX.png for the O-Scope pulls.
Oddly the output from the thing was 5.2ish volts I dont remember. I need to replace my 7805 and test again.
The numbers are what I was shooting for whether they are "correct" or not IDK but this board works.
Compare the capture to http://tinyurl.com/y3p72nsh to see that yes it is pretty correct.
Also compare the pallet vs what the simulated values should be:
https://i.imgur.com/jDI5BGX.png
Screenshots coming soon but I have been playing on this circuit for a long time so I already know its working.
After ordering these specific values I will actually make a how to.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 0.1uF | C1,C7 | C0603 | 2 |
| 2 | 220u | C2,C4,C5 | C1411 WITH JUMPER | 3 |
| 3 | 0.1u | C3 | C0603 | 1 |
| 4 | EXPHEAD | J1 | EXPANSION HEADER | 1 |
| 5 | O2 612160 HEADER | J2 | O2 - 612160 HEADER | 1 |
| 6 | GND | J3 | HDR-M-2.54_1X1 | 1 |
| 7 | 5V | J4 | HDR-M-2.54_1X1 | 1 |
| 8 | LPFON | JP3 | SJ_2S | 1 |
| 9 | SYNC | P1 | HDR-1X1/2.54 | 1 |
| 10 | GREEN | P2 | HDR-1X1/2.54 | 1 |
| 11 | BLUE | P3 | HDR-1X1/2.54 | 1 |
| 12 | RED | P4 | HDR-1X1/2.54 | 1 |
| 13 | 300 | R1,R3 | R0603 | 2 |
| 14 | 280 | R4,R5,R6,R19 | R0603 | 4 |
| 15 | 75 | R8,R10,R12 | R0603 | 3 |
| 16 | 6K | R13,R23,R26 | R0603 | 3 |
| 17 | 10k | R17 | R0603 | 1 |
| 18 | 2.4K | R22,R24,R25 | R0603 | 3 |
| 19 | 74VHCT541AFT(BE) | U2 | TSSOP-20 | 1 |
| 20 | NC7ST04M5 | U3 | SOT-23-5 | 1 |
| 21 | THS7374IPW | U4 | TSSOP-14 | 1 |
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