PCB layout

2005-02-11

f205v

Original readme made by Guru (unemulated.emuunlim.com)





Main board (Standard ZN1 Main Board with Tecmo BIOS)



EP-GW 307117 COH-1002M

|--------------------------------------------------------|

|  LA4705             |---------------------------|      |

|                     |---------------------------|      |

|    AKM_AK4310VM      AT28C16                           |

|  VOL                                                   |

|       SW1            BIOS                              |

|  TD62064                                               |

|  TD62064        PALCE16V8                              |

|J                                                       |

|                                                        |

|A                EPM7032   M5M44260     CXD2925Q        |

|                                                        |

|M                                                       |

|                                                        |

|M                                                       |

|                KM4132G271BQ-10                         |

|A           DSW                                         |

|                                CXD8561Q    CXD8530CQ   |

|                KM4132G271BQ-10                         |

|CN505  CN506                   53.693MHz    67.737MHz   |

|            CAT702                                      |

|                                                        |

|CN504  CN503                                            |

|                                                        |

|                                                        |

|  NEC_78081G503         KM48V514BJ-6    KM48V514BJ-6    |

|            MC44200FT   KM48V514BJ-6    KM48V514BJ-6    |

|CN651  CN652            KM48V514BJ-6    KM48V514BJ-6    |

|                CN654   KM48V514BJ-6    KM48V514BJ-6    |

|--------------------------------------------------------|

Notes:

      CN506 - Connector for optional 3rd player controls

      CN505 - Connector for optional 4th player controls

      CN503 - Connector for optional 15kHz external video output (R,G,B,Sync, GND)

      CN504 - Connector for optional 2nd speaker (for stereo output)

      CN652 - Connector for optional trackball

      CN651 - Connector for optional analog controls

      CN654 - Connector for optional memory card

      SW1   - Slide switch for stereo or mono sound output

      DSW   - Dip switch (4 position, defaults all OFF)



      BIOS           - COH1002M.353, Tecmo ZN1 BIOS, 4MBit MaskROM type M534002 (SOP40)

      AT28C16        - Atmel AT28C16 2K x8 EEPROM

      M5M44260       - 256K x16 (4MBit) DRAM

      KM4132G271BQ-10- 128K x32 x2 banks (32MBit) SGRAM

      KM48V514BJ-6   - 512k x8 (4MBit) DRAM

      EPM7032        - Altera EPM7032QC44-15 CPLD labelled 'ZN1A' (QFP44)

      CAT702         - Protection chip labelled 'MG01' (DIP20)

      PALCE16V8      - PAL, labelled 'ZN1A' (PLCC20)







Game board without sound



Tecmo TPS1-7-130109

|--------------------------------------|

|    |---------------------------|     |

|    |---------------------------|     |

|       GAL16V8D    CAT702             |

|              TWM-EP.119  TWM-EP.120  |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|  TWM-4.220   TWM-2.218   TWM-0.216   |

|      TWM-3.219     TWM-1.217         |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|                                      |

|--------------------------------------|

Notes:

      There are many unpopulated positions on this game board. This game only contains

      the following parts...

      PAL16V8D labelled 'SOPROM1'

      CAT702 Protection chip labelled 'MG13' (DIP20)

      3 logic chips

      2x 4MBit EPROMs labelled 'TWM-EP U0119' and 'TWM-EP U0120'

      5x 32MBit smt SOP44 MASKROMs labelled 'TWM-4', 'TWM-3', 'TWM-2', 'TWM-1' & 'TWM-0'. There is space

      for 10 more 32MBit smt SOP44 MASKROMs.