本帖最后由 n805 于 2015-12-19 20:13 编辑 0 j9 K' Y7 {1 \4 C. ?& X5 ~5 L
' n+ ? V8 z* j% A# J9 J/ x
Sega Mega Drive 2. S" `2 W3 e- `4 F! A3 u1 n
' D( x* ^7 K2 Y b& ]2 Q; d
A/V comes from a female 9 pin mini DIN connector. # ~+ z: x1 o. ~( K+ \
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.
& e% z& B3 [8 T O' A6 ^A / V输出来自一个9针迷你DIN接口。
* Q" ]2 R" `% x9 z音频信号是立体声原始外接Megadrive使用。
- n. Z# V/ F9 K0 d& K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。
- B% k. [2 K/ r9 y2 bRGB输出电路:是由CXA1145/CXA1645/KA2195/MB3514视频编码器IC -直接从芯片输出来。' @4 f2 N6 w' S$ c5 [9 p5 _
PS: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 # p+ }& B0 P. T" Y+ L/ j8 m
7 A P+ b9 q4 O9 h6 L4 h& C8 Q; o$ D
[url] ╓ ╓ ╓ ╓ |