Genesis 2
From TechWiki
Other Genesis pages: Genesis, Genesis 2, Genesis 3
Contents |
IC Info
PC BD MD2 VA1.8 USA
- IC1: CPU: MC68000FN8
- IC2: Main SRAM: 651632DFP-15
- IC4: CPU: Z84C0006FEC
- IC5: Z80 SRAM: XLJ6265AF-10SL
- IC6: 315-5660
- IC7: Video SRAM: KM428C64J-10
- IC9, IC10: BA10324AF
- IC11: RGB Encoder: CXA1145M, KA2195D
- IC12: +5V Regulator: 7805
PC BD MD2 VA1.8 PAL
- IC1: CPU: MC68000FN8
- IC2: Main SRAM: 651632DFP-15
- IC4: CPU: Z84C0006FEC
- IC5: Z80 SRAM: BR6265BF-10SL
- IC6: 315-5660
- IC7: Video SRAM: HM538612-8
- IC9, IC10: BA10324AF
- IC11: RGB Encoder: MB3514
- IC12: +5V Regulator: 7805
PC BD MD2 VA2.3 USA
- IC1: CPU: MC68000FN12
- IC2: Main SRAM: TC511632FL-10
- IC4: CPU: Z84C0006FEC
- IC5: Z80 SRAM: GM76C88ALFW
- IC6: 315-5786
- IC7: Video SRAM: TC5281286J-80
- IC8: Audio: YM2612
- IC9: 315-5684
- IC11: RGB Encoder: CXA1645M
- IC12: +5V Regulator: 7805
- IC13: HC14
PC BD MD2 VA3 USA HAL
- IC1: CPU: MC68000FN8
- IC2: Main SRAM: 651632DFP-15
- IC4: CPU: Z84C0006FEC
- IC5: Z80 SRAM: IC5, probably an SRAM 64Kb: 8K x 8-bit (need to see a clear pic of this chip)
- IC6: 315-5660
- IC7: Video SRAM: M54C864-80
- IC9 (?): 315-5684
- IC11: RGB Encoder: KA2195D
- IC12: +5V Regulator: 7805
PC BD MD2 VA4 USA
- IC1: CPUs / Audio / Other ASIC: 315-5960
- IC2: Main SRAM: LC331632M-12
- IC3: Video RAM: M54C864-80
- IC4: 315-5684
- IC5: RGB Encoder: CXA1645M
- IC6: +5V Regulator: 7805
Capacitor Lists
PC BD MD2 VA1.8 USA
CE1 10uF 16v CE2 10uF 16v CE3 10uF 16v CE4 10uF 16v CE5 10uF 16v CE6 10uF 16v CE7 10uF 16v CE8 10uF 16v CE9 10uF 16v CE10 10uF 16v CE11 10uF 16v CE12 220uF 6.3v CE14 10uF 16v CE15 10uF 16v CE16 220uF 16v CE17 100uF 10v CE18 47uF 10v CE19 47uF 10v CE20 10uF 16v CE21 10uF 16v CE22 10uF 16v CE23 100uF 10v CE24 47uF 10v CE25 47uF 10v CE26 47uF 10v CE27 47uF 10v CE28 47uF 10v CE29 10uF 16v CE30 10uF 16v CE31 10uF 16v CE32 10uF 16v
PC BD MD2 VA2.3 USA
CE1 10uF 16v CE2 10uF 16v CE3 10uF 16v CE4 10uF 16v CE5 2.2uF 50v CE6 10uF 16v CE8 10uF 16v CE9 100uF 10v CE10 100uF 10v CE11 10uF 16v CE12 220uF 6.3v CE13 10uF 16v CE14 10uF 16v CE15 22uF 50v CE16 220uF 16v CE17 100uF 10v CE18 47uF 10v CE19 47uF 10v CE20 10uF 16v CE21 10uF 16v CE23 100uF 10v CE24 47uF 10v CE25 47uF 10v CE26 47uF 10v CE27 47uF 10v CE28 47uF 10v CE29 10uF 16v CE30 10uF 16v CE31 10uF 16v CE32 10uF 16v
Schematics
VA0
CPU, RAM, ASIC
Capacitors
Capacitors
Controllers, Power, A/V
VA1
CPU, RAM, ASIC
Capacitors
Capacitors
Controllers, Power, A/V
Service Manuals
Sega Service Manual - Genesis II - Mega Drive II (PAL-B-I-G, RGB), No 001, June, 1993
Sega Service Manual Supplement - Genesis II - Mega Drive II (PAL-B-I-G, RGB), No 001-1, August, 1993
- IC1 correction, differences between VA0 and VA1, Flat Package IC removal and installation instructions
- Further highlights the differences between VA0 and VA1 Genesis 2 / MD 2 units, including schematics.