Lamp-to-SCR Mapping for Classic Stern Games
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Click to go back to the 1977-1985 Bally/Stern Repair repair guide.
The sections below show what lamp each transistor on a lamp driver board controls for specific classic Stern games.
1 Galaxy
| Transistor | MC14514 | Jack-Pin | Wire Color | Lamp |
|---|---|---|---|---|
| Q1 | U1 | J1-24 | Brn-Blu | Right Extra Ball |
| Q2 | U1 | J1-25 | Pur-B | 5X |
| Q3 | U1 | J1-26 | Grey-R | Shoot Again |
| J2-21 | ||||
| Q4 | U1 | J1-28 | B-W | Bonus 8 |
| Q5 | U1 | J2-16 | ||
| Q6 | U1 | J2-14 | ||
| Q7 | U1 | J1-27 | ||
| J2-13 | Grey-G | Top 8,000 | ||
| Q8 | U1 | J1-23 | Blu-W | "A" Rollover (2) |
| Q9 | U1 | J1-14 | Grey-O | Pluto |
| Q10 | U1 | J1-15 | Grey-Y | Jupiter |
| Q11 | U1 | J1-16 | B | Bonus 40 |
| Q12 | U1 | J1-19 | Grey-G | "A"2 Kicker |
| Q13 | U1 | J1-17 | Pur | Spot "Y" |
| Q14 | U1 | J1-18 | Brn-B | Spin |
| Q15 | U1 | J2-23 | ||
| Q16 | U1 | J2-22 | Grey-O | Highest Score to Date |
| Q17 | U2 | J1-11 | B-O | 4X |
| Q18 | U2 | J2-20 | ||
| Q19 | U2 | J2-15 | ||
| Q20 | U3 | J1-13 | W-Blu | Bonus 4 |
| Q21 | U2 | J2-12 | W-Y | Top 6,000 |
| J1-12 | ||||
| Q22 | U2 | J1-10 | Grey-Blu | Mars |
| Q23 | U2 | J2-8 | ||
| J1-4 | ||||
| Q24 | U2 | J1-5 | Blu-O | "L" Extra Ball |
| Q25 | U2 | J1-6 | Brn-R | Bonus 6 |
| Q26 | U2 | J1-7 | Y-G | Bonus 30 |
| Q27 | U2 | J1-9 | Grey | "L" Kicker |
| Q28 | U2 | J1-8 | G-B | Spot "X" |
| Q29 | U2 | J1-1 | Blu-R | Sun Special |
| Q30 | U3 | J2-6 | ||
| Q31 | U3 | J2-2 | ||
| Q32 | U3 | J3-27 | O-W | Bonus 20 |
| Q33 | U3 | J2-11 | Grey-W | Game Over |
| Q34 | U2 | J1-2 | Pur-W | Neptune |
| Q35 | U2 | J1-3 | R-G | "L" Rollover |
| Q36 | U3 | J3-26 | B | "Y" Kicker |
| Q37 | U3 | J2-23 | W-Grey | Venus |
| Q38 | U3 | J3-25 | R-Y | "A" Kicker |
| Q39 | U3 | J3-24 | ||
| J2-4 | Pur-B | Top 4,000 | ||
| Q40 | U3 | J3-22 | ||
| J2-9 | Grey | 10X Score | ||
| Q41 | U3 | J3-20 | W-O | 3X |
| Q42 | U3 | J3-21 | B-G | R. Special |
| Q43 | U3 | J2-7 | ||
| Q44 | U3 | J3-19 | B-R | "Y" Rollover |
| Q45 | U4 | J2-1 | Grey-Y | Match |
| Q46 | U4 | J3-18 | R-Blu | 2X |
| Q47 | U4 | J2-10 | Grey-B | Tilt |
| Q48 | U3 | J3-16 | R-B | Uranus |
| Q49 | U3 | J3-17 | Y-Blue | "A" Rollover |
| Q50 | U4 | J3-12 | O-R | |
| Q51 | U4 | J3-15 | W-B | "X" Rollover |
| Q52 | U4 | J3-13 | ||
| J2-5 | ||||
| Q53 | U4 | J3-14 | ||
| J2-3 | B-W | Top 2,000 | ||
| Q54 | U4 | J3-11 | W | "G" Rollover |
| Q55 | U4 | J3-9 | W-R | Saturn |
| Q56 | U4 | J3-10 | Grey-B | L. Special |
| Q57 | U4 | J3-1 | G-R | "X" Kicker |
| Q58 | U4 | J3-2 | Y-G | Bonus 2 |
| Q59 | U4 | J3-4 | R-W | Bonus 10 |
| Q60 | U4 | J3-3 | G | Mercury |
2 Trident
| Transistor | MC14514 | Jack-Pin | Wire Color | Lamp |
|---|---|---|---|---|
| Q1 | U1 | J1-24 | ||
| Q2 | U1 | J1-25 | ||
| Q3 | U1 | J1-26 | ||
| J2-21 | ||||
| Q4 | U1 | J1-28 | ||
| Q5 | U1 | J2-16 | ||
| Q6 | U1 | J2-14 | ||
| Q7 | U1 | J1-27 | ||
| J2-13 | ||||
| Q8 | U1 | J1-23 | ||
| Q9 | U1 | J1-14 | ||
| Q10 | U1 | J1-15 | ||
| Q11 | U1 | J1-16 | ||
| Q12 | U1 | J1-19 | ||
| Q13 | U1 | J1-17 | ||
| Q14 | U1 | J1-18 | ||
| Q15 | U1 | J2-23 | ||
| Q16 | U1 | J2-22 | ||
| Q17 | U2 | J1-11 | ||
| Q18 | U2 | J2-20 | ||
| Q19 | U2 | J2-15 | ||
| Q20 | U3 | J1-13 | ||
| Q21 | U2 | J2-12 | ||
| J1-12 | ||||
| Q22 | U2 | J1-10 | ||
| Q23 | U2 | J2-8 | ||
| J1-4 | ||||
| Q24 | U2 | J1-5 | ||
| Q25 | U2 | J1-6 | ||
| Q26 | U2 | J1-7 | ||
| Q27 | U2 | J1-9 | ||
| Q28 | U2 | J1-8 | ||
| Q29 | U2 | J1-1 | ||
| Q30 | U3 | J2-6 | ||
| Q31 | U3 | J2-2 | ||
| Q32 | U3 | J3-27 | ||
| Q33 | U3 | J2-11 | ||
| Q34 | U2 | J1-2 | ||
| Q35 | U2 | J1-3 | ||
| Q36 | U3 | J3-26 | ||
| Q37 | U3 | J2-23 | ||
| Q38 | U3 | J3-25 | ||
| Q39 | U3 | J3-24 | ||
| J2-4 | ||||
| Q40 | U3 | J3-22 | ||
| J2-9 | ||||
| Q41 | U3 | J3-20 | ||
| Q42 | U3 | J3-21 | ||
| Q43 | U3 | J2-7 | ||
| Q44 | U3 | J3-19 | ||
| Q45 | U4 | J2-1 | ||
| Q46 | U4 | J3-18 | ||
| Q47 | U4 | J2-10 | ||
| Q48 | U3 | J3-16 | ||
| Q49 | U3 | J3-17 | ||
| Q50 | U4 | J3-12 | ||
| Q51 | U4 | J3-15 | ||
| Q52 | U4 | J3-13 | ||
| J2-5 | ||||
| Q53 | U4 | J3-14 | ||
| J2-3 | ||||
| Q54 | U4 | J3-11 | ||
| Q55 | U4 | J3-9 | ||
| Q56 | U4 | J3-10 | ||
| Q57 | U4 | J3-1 | ||
| Q58 | U4 | J3-2 | ||
| Q59 | U4 | J3-4 | ||
| Q60 | U4 | J3-3 |
3 Meteor
| Transistor | MC14514 | Jack-Pin | Wire Color | Lamp |
|---|---|---|---|---|
| Q1 | U1 | J1-24 | ||
| Q2 | U1 | J1-25 | ||
| Q3 | U1 | J1-26 | ||
| J2-21 | ||||
| Q4 | U1 | J1-28 | ||
| Q5 | U1 | J2-16 | ||
| Q6 | U1 | J2-14 | ||
| Q7 | U1 | J1-27 | ||
| J2-13 | ||||
| Q8 | U1 | J1-23 | ||
| Q9 | U1 | J1-14 | ||
| Q10 | U1 | J1-15 | ||
| Q11 | U1 | J1-16 | ||
| Q12 | U1 | J1-19 | ||
| Q13 | U1 | J1-17 | ||
| Q14 | U1 | J1-18 | ||
| Q15 | U1 | J2-23 | ||
| Q16 | U1 | J2-22 | ||
| Q17 | U2 | J1-11 | ||
| Q18 | U2 | J2-20 | ||
| Q19 | U2 | J2-15 | ||
| Q20 | U3 | J1-13 | ||
| Q21 | U2 | J2-12 | ||
| J1-12 | ||||
| Q22 | U2 | J1-10 | ||
| Q23 | U2 | J2-8 | ||
| J1-4 | ||||
| Q24 | U2 | J1-5 | ||
| Q25 | U2 | J1-6 | ||
| Q26 | U2 | J1-7 | ||
| Q27 | U2 | J1-9 | ||
| Q28 | U2 | J1-8 | ||
| Q29 | U2 | J1-1 | ||
| Q30 | U3 | J2-6 | ||
| Q31 | U3 | J2-2 | ||
| Q32 | U3 | J3-27 | ||
| Q33 | U3 | J2-11 | ||
| Q34 | U2 | J1-2 | ||
| Q35 | U2 | J1-3 | ||
| Q36 | U3 | J3-26 | ||
| Q37 | U3 | J2-23 | ||
| Q38 | U3 | J3-25 | ||
| Q39 | U3 | J3-24 | ||
| J2-4 | ||||
| Q40 | U3 | J3-22 | ||
| J2-9 | ||||
| Q41 | U3 | J3-20 | ||
| Q42 | U3 | J3-21 | ||
| Q43 | U3 | J2-7 | ||
| Q44 | U3 | J3-19 | ||
| Q45 | U4 | J2-1 | ||
| Q46 | U4 | J3-18 | ||
| Q47 | U4 | J2-10 | ||
| Q48 | U3 | J3-16 | ||
| Q49 | U3 | J3-17 | ||
| Q50 | U4 | J3-12 | ||
| Q51 | U4 | J3-15 | ||
| Q52 | U4 | J3-13 | ||
| J2-5 | ||||
| Q53 | U4 | J3-14 | ||
| J2-3 | ||||
| Q54 | U4 | J3-11 | ||
| Q55 | U4 | J3-9 | ||
| Q56 | U4 | J3-10 | ||
| Q57 | U4 | J3-1 | ||
| Q58 | U4 | J3-2 | ||
| Q59 | U4 | J3-4 | ||
| Q60 | U4 | J3-3 |
Click to go back to the 1977-1985 Bally/Stern Repair repair guide.