Pinball Machine Electronic Component Notes

Transistor substitutes

TIP 36C: Common 100v, 25a, PNP general purpose power transistor for most pinball machines in TO-218 package

Common 100v, 25a, PNP general purpose power transistor for most pinball machines in TO-218 or TO-247 package.

Reference:

  • TIP36C
  • TIP36CG
  • TIP36CW
  • Williams 5194-12179-00
  • Stern 110-0077-00

TIP 102: NPN 100 volt 8 amp complementary Darlington transistor in a TO-220 package.

Common replacement for TIP120, TIP122, 2N6045 and SE9302 series power Darlington transistors.

NPN 100 volt 8 amp complementary Darlington transistor in a TO-220 package.

Reference:

  • Williams 5162-09410-00
  • Williams 5162-12635-00
  • Bally E-00585-0034
  • Stern 25A-2-2, X44E198 locations Q1-Q19
  • TIP120
  • TIP122
  • 2N6045
  • SE9302

TIP 107: PNP Darlington 100 Volt, 8 Amp, TO-220

Used on Bally / Williams WPC driver boards

Reference:

  • 5192-12428-00
  • TIP107TU
  • TIP107G

TIP 122: Common 60v, 5a NPN Darlington BJT transistor in TO-220 package

Reference:

  • 5162-09410-00
  • Data East / Sega / Stern 110-0067-00
  • Wico 21-309400
  • TIP102 is excellent substitute

IC’s (Logic)

LM339N : Integrated circuit 14 pin DIP quad voltage comparator. Substitute for BA10339 low power quad voltage comparator

ULN2803A : Integrated circuit 18 pin DIP Switch Matrix Driver

SN74LS240N : Buffer/Line Driver 8-CH Inverting 3-ST Bipolar PDIP-20

SN74LS244N : IC CHIP BUFF/DVR TRI-ST DUAL 20DIP

SN74LS374N : D-TYPE POSITION TRIGGER SINGLE 20-PIN PDIP

74HC237N : NSC 16-PIN DIP

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WPC SPARE SEMICONDUCTORS KIT

#WPC-SEMI

Over $43.00 worth of commonly failed electronic components for Williams WPC system pinball machines.

Kit includes:

  • TIP102 transistor (3 pieces)
  • TIP107 transistor (3 pieces)
  • TIP36C transistor (3 pieces)
  • 2N5401 tranisistor (3 pieces)
  • 1N4007 diode (20 pieces)
  • ULN2803 integrated circuit (3 pieces)
  • LM339N integrated circuit (3 pieces)
  • DIP14 integrated circuit 14 pin socket (3 pieces)
  • DIP18 integrated circuit 18 pin socket (3 pieces)Reference:
  • 5162-09410-00 TIP102
  • 5162-12428-00 TIP107
  • 5162-12422-00 ULN2803A
  • 5370-12272-00 LM339N
  • 5700-10389-00 DIP 18 socket

Fault Area                  Part        QTY      Symptom
Lamp columns   TIP107  1   Lamp column is stuck on
Driver         TIP102  2   Lamp row or solenoid
High power     TIP36C  2   Solenoid stuck on
Pre-driver     2N5401  2   Solenoid stuck on
Diodes         1N4007 20   Switch, lamp matrix
Switch matrix  ULN2803 2   Switch matrix column
18-pin socket          1   Machined socket
Switch matrix  LM339   2   Bad switch matrix row
IR emitter LED         5   These overheat
Phototransistor        2   Less common failure. 

Comes packaged in case.

Updated: August 17, 2017 at 7:16 pm