Sega NAOMI Service Manual
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Sega NAOMI Service Manual

Gd-rom system
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Summary of Contents for Sega NAOMI

  • Page 1 This document has been downloaded from: The largest resource for amusement machines documentation on the world wide web!
  • Page 2 1ST PRINTING JUNE 01 NAOMI GD-ROM SYSTEM SERVICE MANUAL SEGA ENTERPRISES, INC. USA MANUAL NO. 420-6620-02...
  • Page 3 Warranty Your new Sega Product is covered for a period of 90 days from the date of shipment. This certifies that the Printed Circuit Boards, Power Supplies and Monitor are to be free of defects in workman- ship or materials under normal operating conditions. This also certifies that all Interactive Control Assemblies are to be free from defects in workmanship and materials under normal operating condi- tions.
  • Page 4 BEFORE USING THE PRODUCT, BE SURE TO READ THE FOLLOWING: To maintain the safety: To ensure the safe usage of the product, be sure to read the following before using the product. The following instructions are intended for the users, operators and the personnel in charge of the operation of the product. After carefully reading and sufficiently understanding the warning displays and cautions, handle the product appropriately.
  • Page 5 SEGA shall not be held responsible for any accidents, compensation for damage to a third party, resulting from the specifications not designated by SEGA.

  • Page 6: Table Of Contents

    1. HANDLING PRECAUTIONS ................. 1 2. SPECIFICATIONS OF NAOMI GD-ROM SYSTEM ........2 - 6 2 - 1 CABINET .................... 2 2 - 2 NAOMI BD CASE AND FILTER BOARD ........3 2 - 3 MONITOR DIRECTION AND HORIZONTAL SCANNING FREQUENCY ..................4 2 - 4 REPAIR / SERVICING AND CARTON BOX .........
  • Page 7 Indicates that mishandling the product by disregarding this display can cause the STOP product's intrinsic performance not to be obtained, resulting in malfunctioning. I M PORTANT SEGA ENTERPRISES, INC. (U.S.A.)/CUSTOMER SERVICE 45133 Industrial Drive, Fremont, California 94538, U.S.A. Phone : (415) 701-6580 Fax : (415) 701-6594...
  • Page 8 DEFINITION OF LOCATION MAINTENANCE MAN AND SERVICEMAN Non-technical personnel who do not have technical knowledge and expertise should refrain from performing such work that this manual requires the location's maintenance man or a serviceman to carry out, or work which is not explained in this manual.

  • Page 9: Handling Precautions

    Concerning the display of JAMMA VIDEO STANDARD: JAMMA VIDEO STANDARD adopted by NAOMI is referred to as JVS. As against this Standard, the conventional JAMMA STANDARD which employs 56P Edge Connectors adopted by ST-V, etc. is displayed as Old JAMMA STANDARD.

  • Page 10: Specifications Of Naomi Gd-Rom System

    2 - 1 CABINET • Use the NAOMI GD-ROM system with the JVS-compatible cabinet. • If you want to use the NAOMI GD-ROM system with the conventional JAMMA-compatible cabinet, prepare the modification parts (power supply, I/O board, audio amplifier, etc.) and thereby modify the cabinet into a JVS-compatible one.

  • Page 11: Naomi Bd Case And Filter Board

    • NAOMI Main BD is contained in the Shield Case. Use NAOMI in the status with the Main BD as is contained in the Shield Case. • When using NAOMI, ensure that the Ventilation Ports and Heat Exhaust Fan opening are not obstructed.

  • Page 12: Monitor Direction And Horizontal Scanning Frequency

    At the time of the shipment of NAOMI Main BD, which one of 15k or 31k the DIP SW is set to depends on the games contained in the same package. Before installing in the cabinet, be sure...

  • Page 13: Repair/Servicing And Carton Box

    • Remove all the wire harnesses and cables from the NAOMI board case and the GD-ROM drive before shipping them. • Do not disassemble the NAOMI board case and the GD-ROM drive. Store them, just as they are, in the carton box.
  • Page 14 CARTON BOX 601-11030 FIG. 2. 4 b Remove the GD drive bracket. CARTON BOX 601-11031 FIG. 2. 4 c...

  • Page 15: Assembling The Naomi Gd-Rom System

    NAOMI board: a JVS-compatible standard cabinet: The purchased NAOMI board case has come with the DIMM board? Referring to the Section 3-1, "CHECKING THE BOOT ROM VERSION NUMBER," check the version number. The boot ROM must be replaced? Referring to the Section 3-2, "BOOT ROM REPLACEMENT,"...
  • Page 16 When the GD-ROM system is used with a dedicated game cabinet: Referring to the "Owner's Manual" attached with each game machine, install the GD-ROM drive and connect the wires. Referring to the Section 3-4, "KEY CHIP," attach the key chip. Referring to the Section 3-5, "GD-ROM DISK,"...

  • Page 17: Checking The Boot Rom Version Number

    Remember that the conventional ROM board is not usable even if it is attached with a GD- ROM system compatible boot ROM of EPR-xxxxE or later. The FIG 3.1 indicates the NAOMI board. The NAOMI 2 board is different in a position of the boot ROM.

  • Page 18: Boot Rom Replacement

    Do not perform this work unless otherwise particularly instructed due to BOOT ROM version change, etc. Remove on-socket ROM (IC27) of NAOMI Main BD from the socket by using an IC EXTRACTOR. • To prevent tearing off on-board patterns, etc., do not used tools such as a flat-blade type screw- driver, etc.
  • Page 19 Insert a new ROM into a socket; be careful about an inserting direction in this instance. • It may be uneasy to insert a ROM, because the width between the two lines of pins on both ends may be larger than required. If this is the case, press the ROM pins onto a flat surface and bend them;...

  • Page 20: Detaching/Attaching The Dimm Board Case

    Remove the three M3 X 30 screws and one M3 X 70 screw that fix the DIMM board case onto the NAOMI board case. Hold the ends of the DIMM board case and remove it upwards from the NAOMI board case. SCREW (M3 X 70)

  • Page 21: Key Chip

    3 - 4 KEY CHIP The key chip is a precision device. Handle it carefully because it may be STOP damaged by heat, shock, and static electricity. The key chip is contained in the GD-ROM disk case. Always use them as a IMPORTANT set.

  • Page 22: Gd-Rom Disk

    3 - 5 GD-ROM DISK STOP Handling the GD-ROM Disk Do not contaminate the disks with your fingerprints or IMPORTANT dust particles. Contaminated disks may lower audio and video quality. When cleaning the disks, do not use volatile chemicals (benzine, thinner, etc.), cleaning sprays, and antistatic agents.
  • Page 23 How to Attach Remove the 1 truss head screw that fixes the GD-ROM drive lid (DISC LID). And turn clockwise the lid to remove. Take out the GD-ROM disc from its case, and set it onto the GD-ROM drive with a labeled side facing you.

  • Page 24: Connecting The Power

    Make sure that the system starts to read out the game from the GD-ROM. Percentage is displayed during readout. Make sure that a NAOMI GD-ROM SYSTEM logo reappears several minutes after readout. Make sure that an advertising screen appears. • If an error message appears, immediately disconnect the power to the cabinet. Referring to the Section 4, "ERROR MESSAGE,"...

  • Page 25: Replacing The Dimm Board Battery Pack

    Prohibitions and Cautions to Handle the Battery Pack When handling the battery pack, observe the following instructions. If you do not observe the instructions described by this book, the Sega bears no responsibilities against any resulted problems. Do not disassemble.
  • Page 26 Do not tightly seal. Do not tightly seal the battery pack when installing it onto an external device. Flammable gas is generated from the battery when its safety mechanism has functioned. If you should fail to observe the above-described instruction, sparks from motors, switches, etc.
  • Page 27 Return the battery cover to the DIMM board case. Submit the used battery packs to an industrial waste disposal plant. Thus they must be disposed according to the local laws and regulations. DIMM Board Battery Pack SEGA PART No. 401-0076 SEGA PART NAME BATTERY PACK CGR-B/241A...

  • Page 28: Battery Replacement (Naomi Main Bd)

    3 - 8 BATTERY REPLACEMENT (NAOMI MAIN BD) Except for special cases such as using up the battery, etc., do not perform this work. Turn power off, and remove ROM BD Case from NAOMI Case by referring to 3-3 DETACHING/ATTACHING THE DIMM BOARD CASE above.

  • Page 29: Error Message

    If the status is not improved yet, the board may be malfunctioning. The NAOMI 2 ROM board software cannot run with the NAOMI main board. If you want to run the NAOMI 2 ROM board software, replace the NAOMI main board with the NAOMI 2 main board.
  • Page 30 Make sure that the GD-ROM disk is not scratched or contaminated. The NAOMI 2 GD-ROM disk software cannot run with the NAOMI main board. If you want to run the NAOMI 2 GD-ROM disk software, replace the NAOMI main board with the NAOMI 2 main board.
  • Page 31 ERROR 27 [DISPLAY] ERROR 27 DIMM MEMORY IS NOT ENOUGH. [CAUSE] (1) The capacity of the DIMM memory on the DIMM board is not sufficient. (2) The DIMM memory is not firmly connected. [COUNTERMEASURES] (1) Add the memory as required by the software you are using. (2) Firmly reconnect the DIMM memory on the DIMM board.
  • Page 32 Frequency of 15kHz only. [COUNTERMEASURES] Set the monitor to 15kHz, and No. 1 of NAOMI FILTER BD DIP SW to For the setting method of monitor's Frequency, refer to the Instruction Manual of the cabinet. If the monitor is not corresponding to 15kHz, the game is not playable.

  • Page 33: System Test Mode

    5. SYSTEM TEST MODE The contents of setting changes in SYSTEM ASSIGNMENTS, COIN STOP ASSIGNMENTS, and GAME TEST MODE are stored when the test mode is EXITed. If the power is turned off before EXITing, the contents of setting IMPORTANT changes are ineffective.

  • Page 34: Ram Test

    After testing, press the TEST button to return to the system menu screen. When you test the NAOMI 2 software with the NAOMI 2 main board, the following screen may appear. The test takes approximate 5 minutes and 10 seconds to complete.

  • Page 35: Jvs Test

    5 - 2 JVS TEST In this test, Specifications of the I/O Board connected to NAOMI can be checked, and INPUT TEST can be performed. First, I/O Board Specifications are displayed. JVS TEST INPUT TEST NEXT NODE -> EXIT NODE...

  • Page 36: Sound Test

    5 - 3 SOUND TEST Sound Output test can be performed. Beep sounds can be emitted from each of left/right Speakers. SOUND TEST -----------Emitted from the right-hand side Speaker. RIGHT SPEAKER -----------Emitted from the left-hand side Speaker. LEFT SPEAKER -----------Returns to the menu mode. ->...

  • Page 37: System Assignments

    5 - 5 SYSTEM ASSIGNMENTS If the settings of CABINET TYPE and MONITOR TYPE are not suitable for the STOP connected game, Error Message is displayed after turning power on and upon finishing the TEST mode, and in this case, game is not playable. IMPORTANT For the contents of settings suitable for each game, refer to the Instruction Manual attached to the game.

  • Page 38: Coin Assignments

    5 - 6 COIN ASSIGNMENTS In this mode, the setting of incremental credit increase as against coin insertion can be changed. Press the SERVICE button to move the arrow. Bring the arrow to the desired item. Press the TEST button to change the setting. Upon finishing the setting, bring the arrow to EXIT and press the TEST button.
  • Page 39 (C) MANUAL SETTING The Credit's incremental increase settings as against a coin insertion are shown in further details than in (B) above (refer to Table 3). Also, note that when this MANUAL SETTING is performed, (B) COIN CREDIT setting becomes ineffective. MANUAL SETTING COIN ASSIGNMENTS COIN ASSIGNMENTS...
  • Page 40 Table 1: COIN/CREDIT SETTING (COIN CHUTE COMMON TYPE) COIN CHUTE 1 COIN CHUTE 2 NAME OF SETTING SETTING #1 1 COIN 1 CREDIT 1 COIN 1 CREDIT SETTING #2 1 COIN 2 CREDITS 1 COIN 1 CREDIT SETTING #3 1 COIN 3 CREDITS 1 COIN 1 CREDIT...
  • Page 41 Table 2: COIN/CREDIT SETTING (COIN CHUTE INDIVIDUAL TYPE) NAME OF SETTING EACH SEAT'S COIN CHUTE NAME OF SETTING EACH SEAT'S COIN CHUTE SETTING #21 5 COINS 1 CREDIT SETTING #1 1 COIN 1 CREDIT SETTING #23 2 COINS 1 CREDIT SETTING #2 1 COIN 2 CREDITS...
  • Page 42 SEQUENCE 3 ~ 8 : NOT USED. (EXAMPLE 2) In the case NAOMI is used as vending machiness: SEQUENCE 1 ~ 4 : Number of credits required for purchasing product 1 ~ 4 (Initial value=1) SEQUENCE 5 ~ 8 : Number of credits required for purchasing product 5 ~ 8 (Initial value=1)

  • Page 43: Bookkeeping

    5 - 7 BOOKKEEPING • BOOKKEEPING 1/2 This allows such data as operating time/No. of coins inserted/ No. of credits to be checked. BOOKKEEPING 1/2 TOTAL TIME 0D 00H 00M 00S CREDIT 1 CREDIT 2 COIN 1 COIN 2 TOTAL COIN COIN CREDIT SERVICE CREDIT TOTAL CREDIT...

  • Page 44: Backup Data Clear

    COMPLETED is displayed when clearing is completed. Press the TEST button to return to the menu mode. 5 - 9 CLOCK SETTING Set YEAR, MONTH, DAY, HOUR, and MINUTE for NAOMI Main BD. CLOCK SETTING 2000 11/15 05:10 32 WED...

  • Page 45: Dimm Board Test

    5 - 10 DIMM BOARD TEST This DIMM BOARD TEST screen appears only when a DIMM board is connected to the NAOMI. The ROM BOARD TEST screen appears instead when a ROM board is connected to the NAOMI. This screen tests the DIMM memories and ICs on the DIMM board. When any problem is detected by the test, GOOD is displayed on the right of each testing item.
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