File:NES audio circuit.png
Original file (2,445 × 1,025 pixels, file size: 157 KB, MIME type: image/png)
Summary
Standard NES/Famicom audio mixer and filter. Sharp Game/TV combos use slightly different values.
FidoCad[J] source:
[FIDOCAD ]
TY 30 145 10 6 0 0 1 * NES audio circuit (and Famicom variations)
RV 90 265 185 300
TY 110 280 5 3 0 0 3 * Part of CPU
TY 110 265 5 3 0 0 3 * 1(AUX A) 2(AUX B)
MC 135 255 0 0 045
MC 140 255 0 0 080
MC 120 255 0 0 080
LI 120 255 115 255
LI 130 255 140 255
LI 150 255 155 255
TY 120 245 5 3 0 0 3 * 100 100
LI 155 240 155 265
LI 115 240 115 265
MC 115 230 1 0 080
MC 155 230 1 0 080
TY 120 235 5 3 0 0 3 * 20k 12k
SA 115 230
SA 155 230
SA 155 255
SA 135 255
SA 115 255
LI 155 230 115 230
LI 135 230 135 205
SA 135 230
LI 60 205 60 240
MC 50 240 0 0 080
TY 50 245 5 3 0 0 3 * 10k
TY 5 225 5 3 0 0 3 * Famicom controller
TY 5 230 5 3 0 0 3 * microphone
LI 50 240 15 240
MC 5 240 0 0 073
LI 30 240 30 260
MC 30 260 1 0 080
MC 30 270 1 0 170
TY 10 270 5 3 0 0 3 * 100pF
TY 15 265 5 3 0 0 3 * 10k
MC 5 190 0 0 073
MC 100 190 0 0 080
LI 135 205 135 190
LI 135 190 110 190
LI 100 190 15 190
TY 5 180 5 3 0 0 3 * NES expansion slot pin 3
TY 100 180 5 3 0 0 3 * 20k
LI 175 205 60 205
MC 185 205 1 0 180
TY 170 195 5 3 0 0 3 * 1µ 50V
SA 135 205
MC 120 200 0 0 074
MC 145 200 0 0 074
MC 225 205 0 0 680
MC 230 240 0 0 170
MC 230 225 0 0 080
MC 230 255 1 0 170
MC 230 265 0 0 045
TY 220 195 5 3 0 0 3 * 11 10
TY 215 190 5 3 0 0 3 * Part of 74HC04
LI 185 205 230 205
LI 230 205 230 255
SA 230 205
SA 230 225
SA 230 240
TY 215 220 5 3 0 0 3 * 47k
TY 210 235 5 3 0 0 3 * 220 pF
TY 210 255 5 3 0 0 3 * 220 pF
LI 240 240 250 240
LI 250 240 250 205
LI 250 205 245 205
LI 240 225 250 225
SA 250 225
SA 250 205
MC 140 220 3 0 074
TY 145 215 5 3 0 0 3 * Synth out
MC 120 185 0 0 074
LI 250 205 290 205
SA 290 205
RV 40 315 85 345
MC 50 340 0 0 680
TY 110 295 5 3 0 0 3 * 36(/INP0) 26(D2)
TY 80 335 5 3 0 0 3 * 9
TY 40 335 5 3 0 0 3 * 10
TY 30 345 5 3 0 0 3 * Part of 60H368 @ 0x4016
LI 30 280 30 340
LI 30 340 50 340
LI 70 340 150 340
LI 150 340 150 300
LI 60 315 60 310
LI 60 310 115 310
LI 115 310 115 300
TY 45 315 5 3 0 0 3 * 1&15(Enable)
MC 300 205 0 0 120
MC 325 205 1 0 170
MC 325 215 0 0 045
LI 310 205 335 205
SA 325 205
TY 330 210 5 3 0 0 3 * 100 pF
LI 290 205 300 205
LI 290 205 290 190
LI 290 190 335 190
MC 335 190 0 0 074
RV 80 200 5 300 1
TY 70 295 5 3 90 0 1 * Not on standard NES
TY 290 180 5 3 0 0 3 * NES expansion slot pin 22
TY 375 225 5 3 0 0 3 * Part of FC game socket
MC 420 205 0 0 073
TY 380 230 5 3 0 0 1 * Not on NES (shorted)
MC 380 205 0 0 074
TY 390 200 5 3 0 0 3 * 45 46
TY 450 200 5 3 0 0 3 * To output card
MC 445 205 0 0 074
LI 380 205 335 205
LI 430 205 445 205
RV 375 195 445 240 1
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:08, 24 July 2022 | | 2,445 × 1,025 (157 KB) | Ryccardo (talk | contribs) | Standard NES/Famicom audio mixer and filter. Sharp Game/TV combos use slightly different values. FidoCad[J] source: <code>[FIDOCAD ] TY 30 145 10 6 0 0 1 * NES audio circuit (and Famicom variations) RV 90 265 185 300 TY 110 280 5 3 0 0 3 * Part of CPU TY 110 265 5 3 0 0 3 * 1(AUX A) 2(AUX B) MC 135 255 0 0 045 MC 140 255 0 0 080 MC 120 255 0 0 080 LI 120 255 115 255 LI 130 255 140 255 LI 150 255 155 255 TY 120 245 5 3 0 0 3 * 100 100 LI 155 240 155 265 LI 115 240 115 265 MC 115 230... |
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File usage
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