[MAME]

Pachinko Gindama Shoubu
Nakanihon Inc. / Dynax, 199x

PCB Layout
----------

NM5050905-1
|----------------------------------------------------------------------|
| TA8201 75074 YM2413          |-----|     |------------------------|  |
|   PST532A  3V_BATT 32.768kHz |68301|  CN2|------------------------|  |
|        75074  M6242B         |     |     TC55257   YMZ280B           |
|  YAC513      3.579545MHz     |-----|     TC55257             TC55257 |
|                              |--------|                              |
|                              |ACTEL   |                      TC55257 |
|                              |A1010B  |                              |
|                              |(PLCC68)|                      TC55257 |
|                              |--------|                              |
|J         TC55257                                             TC55257 |
|A                                                                     |
|M         TC55257                                                     |
|M                                  M548262                            |
|A                                  M548262         32.000MHz          |
|                                               TC55257                |
|                                  |---------|             |---------| |
|    DSW1(10)                      |NIKANIHON|  TC55257    |NIKANIHON| |
|                                  |4L10F2468|             |4L10F2467| |
|    DSW2(10)     TC55257          |         |             |         | |
|                                  |(QFP160) |             |(QFP160) | |
|                 TC55257          |---------|             |---------| |
|   CN6                                    |------------------------|  |
|   CN7              33.8688MHz         CN3|------------------------|  |
|----------------------------------------------------------------------|
Notes:
              *: unpopulated 32 pin sockets
         PST532: IC for system reset and battery backup switching
        DIPSW's: Each have 10 switches.
        CN2/CN3: ROM daughterboard connectors
        CN6/CN7: Connectors for player 3 & 4 controls
        TC55257: 32K x8 SRAM
        M548262: 256K x8 fastpage VRAM

  Vertical Sync: 60Hz
    Horiz. Sync: 15.81kHz
    68301 clock: 16.000MHz (32 / 2)
  YMZ280B clock: 16.9344MHz (33.8688 / 2)
   YM2413 clock: 3.579545MHz
OKI M6242 clock: 32.768kHz


ROM Daughterboard
-----------------

NS5050905-2
|----------------------------------------|
|            |------------------------|  |
|         CN1|------------------------|  |
|                                        |
|  50505.1K     50507.1F    50510.1C     |
|     50506.1H      50508.1E    50511.1B |
|                                        |
|              PAL   50509.2D    50512.2A|
|                                        |
|              PAL                       |
|                                        |
|                                        |
|50503.3L          *    *    *    *      |
|      50504.3K                          |
|                                        |
|                                        |
|                                        |
|                                        |
|50501.4L          *    *    *    *      |
|      50502.4K                          |
|                                        |
|                                        |
|            |------------------------|  |
|         CN2|------------------------|  |
|----------------------------------------|
Notes:
      *: Unpopulated 32pin sockets

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