/Johnny-Mnemonic-Pinball

Johnny Mnemonic Pinball Restoration Notes

Johnny Mnemonic Pinball Restoration

Details

MPU: Williams WPC Security (WPC-S)

References

Up to

https://pinside.com/pinball/forum/topic/johnny-mnemonic-is-there-an-owners-club-yet/page/9

Code

EPROM Game Rom V1.2R

**Latest Version**
Version 1.2
Date: October 31, 1995
U6: Checksum: FD12 (R – Regular)
U6: Checksum: DB12 (B – Belgium/Canada)

EPROM In My Machine on Purchase

  • V1.1R
  • 27c040-12 / EP9236481

What is this chip?

4M, 120ns read time, 32 pin

Other Chips to Consider

  • Atmel AT27C040 - 70ns read time.
  • 27C4001
  • AT27C040-70PU
  • W2E040
  • W27C512

References

ROM Downloads

Tools Needed

EEProm Programmer

  • TL866 II Plus USB 2.0

Software

Desolder Station

FAN

Ultrasonic Cleaner

Refurbishment & Mods

Pushbuttons

  • Launch Ball Button
  • Push Buttons

Speaker Grill

Powder Coat Legs

Instruction Card

Printout instruction card from: http://www.pinballcards.com/Search?submit_form=0&search=johnny+mnemonic

ColorDMD

Lighting

Lamp locations are on page 2-33 in the manual. I've pulled this LED matrix spreadsheet from afpinball.

Pinside Post on LEDs

My Count

Backbox 555- Quantity:25 Type:555 - Quantity:48 Type:89 - Quantity:2 Type:906 - Quantity:2 Type:44 - Quantity:45

The Yoppsicle LEDs only work in Bally games. They do not work well in Williams games with a lamp matrix. https://youtu.be/iPTS25AOB8g?t=1043. A version will be coming out in the future for this.

Lighting Strips

Game Blades

Rubbers

  • Flippers -

Key Chain

Examples

Glass

Spinner Replacement

Game Blades

Dolphin Mod

Cheats

Body Restoration

Decals

Table

Site Price w ship Comments
Pinball Decals EU $362 recommended by a poster on pinside
Pinball Center
Classic Arcades Does not fit. Problem may have been corrected.
Pinball Haus
Ministry of Pinball
AVO Pinball
Mikonos - Self Created

Playfield Protectors

Playfield Protector

Pinball Center

https://www.pinball.center/en/shop/pinball-parts-by-game/johnny-mnemonic/9436/playfield-protector-for-johnny-mnemonic?c=2101

Midnight Madness

clock to 11:58 and play a game

Game Upgrades, Repairs and Issues Encountered

Glove Parts

As the machine is apart it is recommended just to replace the X and Y nuts as that is the piece that wears out.

X-Nut

Y-Nut

Buttons

Start Button

Extra Ball Button

Launch Ball Button

Flipper Buttons

Spinner

  • Decal - PSPA - $9.98 AUD
  • Decal - Marco - $9.99 USD

Target Switch Face

Ribbon Cables

Recommended to buy new ribbon cables as

Nuts & Bolts

Wingnut

Foam Rubber

Batteries vs NVRAM

Rubbers

NVRAM

For NVRAM I ordered

  • RAMTRON FM1608 NVRAM (FM1608-120-PG)
    • $13.30 for a 5 pack ($2.66 each inc delivery)
  • 28 Pin socket

PinSide - Installing Barakandl's NVRAM Battery Eliminator- Vid's Review Andrew "Barakandl" here on pinside, sells RAMTRON FM1608 NVRAM chips that eliminate the need for batteries. They cost (depending on how many you buy) $8-12 USD. This makes for a VERY affordable solution.

Chips to Buy

  • RAMTRON FM1608 NVRAM
  • Requires a 28 pin socet
  • 1pc 6116 NVRAM Adapter - FM16W08 SMT to DIP24 - $15 + $2 shipping
  • 16 adapter FM16W08 SMT to DIP24
  • 6264 NVRAM Module
  • Aliexpress - FM1608-120-PG

Original Chip Specs

Sharp
LH5268A-10LL
9519 5 DC

Online Shops

Glove not Grabbing

Solenoid tests 1-7 failed

Part Number Part
5731-10356-00 F101-F105,F116 Fuse S-B, 3A 250V

Purchased form Jaycar Electronics 3AG / SBLOW 3A 32x6mm $1.45

Links

Restoration Links

Spare Parts