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Magnavox Odyssey 2 RGB unclked

2 years ago 919
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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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.

Documents

VER3

Mr. Kitty

BOM

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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