These are directly plug n play compatible with the original board plus it no longer needs the high voltage +100/-100 any more. It creates both +100 and -100 volts to operate the plasma score displays.
The 555 timer is configured as a "missing pulse detector" meaning that if it does not detect the pulse that originated upstream at the 6821 PIA at 11B, the output of the 555 timer at pin 3 (and 7) will go low, which invokes blanking and protection of the system circuitry. Data East then switched to the larger 128x64 display. Switches width adapted to different lanes, so they work everytime now. Conversely, a shorted blocking diode will allow the board's +5vdc logic power bus to pass through to the battery pack. While it would seem logical that the same pulse could be detected with a logic probe at pin 2 of the 74LS107 and at pin 39 of the 6802/6808, this isn't usually the case. Also, ensure the power “T-Connector” that can be found in the cabinet as pictured at right is still connected and passing power.
The only voltage needed to power a Data East CPU on the bench is +5VDC. There is a simple rule of thumb for J4 and J5 jumper settings. Revision C High Voltage section: The -01 power supply is backwards compatible with games that use the -00 power supply. RGB Lighted Shooter Rod Plate Cover for Data East, GREEN Lighted Shooter Rod Plate Cover for Data East, Torpedo Alley Pinball (Data East) - ROM Upgrade chip set, RED Lighted Shooter Rod Plate Cover for Data East. In a warm operating environment, this leads to burned components and circuit boards. R6 is used for short circuit detection.
I'm going to be controversial here and state this is the best Data East game I have owned so far! If the high voltages are off by more than a few volts, turn the game off, disconnect the power connector at the DMD controller, and test the voltages at the power supply male header pins.
It is rumored that AMI chips have higher failure rates than most other manufacturers.
Data East uses a switch matrix to control all switches except the test button switches and the special solenoid switches. Do not tighten this yet. Another option is to install a memory capacitor. ‐ Last reply 4 days ago, Posted over 6 years ago Follow a similar procedure to the one above. 520-5068-00 - Used on games such as Last Action Hero and Guns 'N Roses. Quarter Arcades Official Galaxian 1/4 Sized (17 Inches Tall) Mini Arcade Cabinet by Numskull – Playable Replica Retro Arcade Game Machine – Micro Retro Console, Quarter Arcades Official PAC-Man 40th Anniversary 1/4 (17 Inches Tall) Mini Arcade Cabinet by Numskull – Playable Replica Retro Arcade Game Machine – Micro Retro Console, Quarter Arcades Official Ms. PAC-Man 1/4 Sized (17 Inches Tall) Mini Arcade Cabinet by Numskull – Playable Replica Retro Arcade Game Machine – Micro Retro Console, AKNES RETROFLAG NESPi 4 CASE, Raspberry Pi 4 Case with SSD CASE, USB-C Power Supply, HDMI Splitter Switch & Cooling Fan & Heatsinks for Raspberry Pi 4 Model/Pi 4B, [B5,C5] CPU v2.1 Set, Sound Rom Set [4F,6F,7F]. The version 0 MPU contains only 2K of CMOS battery backed RAM, that being a 6116. In addition to the message on the DMD, the controlled lamps will not strobe until the boot sequence has successfully completed. Not surprisingly, the switch matrix column driver for the green/orange column (switch drive 3) was blown. The circuitry handling this function consists of resistors R25 through R32 (18k, 1/2 watt for lower display only), ICs U2 (CD4050), U1 (CD4050), U5 (CD4050) for the lower display, U16 (UDN7180 operating on -100 volts), U17 (UDN7180 operating on -100 volts) for the lower display, U6 (CD4050), U7 (CD4050), U8 (CD4050) for the upper display, U12 (UDN7180 operating on -100 volts), and U13 (UDN7180 operating on -100 volts) for the upper display. This board was identical to the 50 volt "flipper power board" used on System11 games prior to Williams' Big Guns. Music is great and keeps you in the game and the Popeye theme song plays at the game over sequence.
520-5055-00 - Used with "standard" sized 128 x 32 dot matrix displays. Browsing Pinside at night? On Data East machines the guide holes align with the tip of the flippers. Note: Installing a 120 ohm (or so) resistor in place of the jumper (where the D25 diode was originally installed) prevents the memory capacitor from being the equivalent of a dead short when it initially charges. This will necessitate reversing the heat sink also, as shown at left. These issues are typically due to the logic power needed to drive the DMD controller board chips dropping below the required +5vdc. and currently has a rating of Flipper coils are not included in rebuild kits but are not typically needed for a repair.
Same goes with the binoculars on the pf. Other things which make it different from the power supply used with a "standard" 128 x 32 DMD are: While compatible, the -00 should not be used as a replacement for the -01 power supply. Scan the QR code on the right to jump to the URL this document was printed from.
+++Need to research which game this was first used on+++. Click to go back to the Data East/Sega/Stern pinball repair guides index. Before you begin any work on the power supply board, perform the above test with the DMD display power disconnected.
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