本帖最后由 n805 于 2015-12-19 20:13 编辑 , Z! Y: P, t" p1 a
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Sega Mega Drive 20 D% D+ O: s7 j7 h; O& I
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A/V comes from a female 9 pin mini DIN connector. % B* V* m/ R" Y b/ G; |) I8 A
Signals are the same as the original Megadrive with the addition of stereo audio. Pinouts are: 1 blue video, 2 +5V DC, 3 green video, 4 composite video, 5 composite sync, 6 audio mono, 7 red video, 8 audio left, 9 audio right, and the metal shield is ground. RGB output circuit: CXA1145/CXA1645/KA2195/MB3514 video encoder IC - outputs come straight from the chip. : G5 X: y# t' U" u5 \ k4 v# U
A / V输出来自一个9针迷你DIN接口。4 F3 f2 n0 B! |: V1 ^4 c* ~
音频信号是立体声原始外接Megadrive使用。
7 Y* [& ^9 I) C引脚说明:1:蓝色视频,2: +5 V直流,3:绿色视频,4:路复合视频,5:复合同步,6:单声道音频,7:红视频,8:左音频,9:右音频,和金属屏蔽壳是接地线。
; @; P! B4 a+ s! mRGB输出电路:是由CXA1145/CXA1645/KA2195/MB3514视频编码器IC -直接从芯片输出来。
- B2 z; I. R' _7 e' R. [) g. v7 kPS:不过我自已用的MD2是彩用CAX1146M的索尼IC。可能我这机器生产的比较晚吧。。。关系应该不大 & o% B/ f$ e* L4 j5 o2 K
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