Boards Sega Mega Drive II (Model 2) VA1 — PAL (Mega Drive II) ENC1
ENC1

Fujitsu MB3514

Video encoder SOP-24 (FPT-24P-M01) Sega Mega Drive II (Model 2) VA1 — PAL · Mega Drive II
RGB encoder: turns the VDP's analog RGB and sync into PAL or NTSC composite, S-Video (Y/C) and buffered RGB for the AV socket.
Datasheet
CART1 IC1

Other components on Sega Mega Drive II (Model 2) VA1 — PAL

CART1 ENC1 IC1 IC4 IC5 IC6 IC7 OP1 OP2 OSC1 REG1 WRAM

About this component

All PAL Mega Drive IIs use the MB3514 (North American boards mostly use a Samsung KA2195D or Sony CXA1145M instead). Pin 7 picks the colour system: low for PAL, high for NTSC. It has built-in 75 Ω drivers for every output and also contains an audio buffer. No picture or only a black-and-white picture with sound working points here or at the subcarrier input; composite quality on Model 2 depends mostly on this chip. Sources: https://consolemods.org/wiki/images/f/f6/MB3514.pdf , https://consolemods.org/wiki/Genesis:Motherboard_Differences

Pinout & readings

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