Fathom
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1 Introduction
- Project Date: December 23, 1980
- Date Of Manufacture: August, 1981
- Production: 3,500 units (confirmed)
- Theme: Fantasy - Scuba Diving - Water Sports
- Notable Features: Flippers (3), Pop bumpers (3), Slingshots (2), 6-bank drop targets (1), 3-bank drop targets (1), 3-in-line drop targets (2), Kick-out holes (2), Spinning target (1), Standup Target (1), 3-ball Multiball, Left and right crossover return lanes. Has Speech.
2 Technical Info
- Type: Solid State Electronic (SS)
- A1 Display Module: 4x AS-2518-58 (7-digits), 1x AS-2518-21 (6-digits Credits display)
- A2 Power Module: AS-2518-54
- A3 Solenoid Driver Module: AS-2518-22
- A4 Bally MPU Module: AS-2518-35
- A5 Lamp Driver Module: AS-2518-23
- A9 Auxiliary Lamp Driver Module: AS-2518-52
- A14 Squawk & Talk Sound Module: AS-2518-61A
- A15 Solenoid Expander: AS-2518-66
3 Charts
3.1 Lamp Chart
| SCR | conn. | lamp description | code | wire color | tr type |
|---|---|---|---|---|---|
| Q01 | *A9J2-7 | #1 Scan Rollover Button | 10 | Red | MCR-106 |
| Q08 | *A9J2-14 | #2 Scan Rollover Button | 12 | Red-Blu | MCR-106 |
| Q15 | *A9J3-8 | #3 Scan Rollover Button | 13 | Red-Yel | MCR-106 |
| Q22 | *A9J3-15 | #4 Scan Rollover Button | 14 | Red-Grn | MCR-106 |
| Q02 | *A9J2-4 | #5 Back Scan & 1st Left Lane Scan | 15 | Red-Wht | MCR-106 |
| Q09 | *A9J2-11 | #6 Back Scan & 2nd Left Lane Scan | 18 | Red-Blk | MCR-106 |
| Q16 | *A9J3-3 | #7 Back Scan & 3rd Left Lane Scan | 20 | Blu | MCR-106 |
| Q46 | A5J3-18 | A-B-C Lane Special | 56 | Wht-Brn | 2N5060 |
| Q54 | A5J3-11 | Advance Blue Bonus (2) | 20 | Blu | MCR-106 |
| Q49 | A5J3-17 | Advance Green Bonus (2) | 13 | Red-Yel | MCR-106 |
| Q16 | A5J2-22 | Ball-in-Play (Back Box) | 62 | Brn-Blu | MCR-106 |
| Q12 | A5J1-19 | Blue Bonus 1K | 60 | Brn | 2N5060 |
| Q27 | A5J1-9 | Blue Bonus 2K | 43 | Grn-Yel | 2N5060 |
| Q38 | A5J3-25 | Blue Bonus 3K | 36 | Yel-Brn | 2N5060 |
| Q50 | A5J3-12 | Blue Bonus 4K | 21 | Blu-Red | 2N5060 |
| Q13 | A5J1-17 | Blue Bonus 5K | 57 | Wht-Orn | 2N5060 |
| Q28 | A5J1-8 | Blue Bonus 6K | 51 | Wht-Red | 2N5060 |
| Q44 | A5J3-19 | Blue Bonus 7K | 67 | Brn-Orn | 2N5060 |
| Q51 | A5J3-15 | Blue Bonus 8K | 53 | Wht-Yel | 2N5060 |
| Q08 | A5J1-23 | Blue Bonus 9K | 12 | Red-Blu | MCR-106 |
| Q35 | A5J1-3 | Blue Bonus 10K | 45 | Grn-Wht | MCR-106 |
| Q55 | A5J3-9 | Blue Bonus 55K | 15 | Red-Wht | MCR-106 |
| Q09 | A5J1-14 | Blue Bonus Multiplier 3X | 54 | Wht-Grn | MCR-106 |
| Q34 | A5J1-2 | Blue Bonus Multiplier 4X | 52 | Wht-Blu | MCR-106 |
| Q48 | A5J3-16 | Blue Bonus Multiplier 5X | 25 | Blu-Wht | MCR-106 |
| Q45 | A5J2-1 | Bonus Special | 60 | Brn | 2N5060 |
| Q52 | A5J3-13 | Credit Indicator | 35 | Yel-Wht | 2N5060 |
| Q05 | A5J2-16 | Double Playfield Scores | 34 | Yel-Grn | 2N5060 |
| Q43 | A5J2-7 | Extra Ball | 91 | Gry-Red | 2N5060 |
| Q33 | A5J2-11 | Game Over (Back Box) | 95 | Gry-Wht | MCR-106 |
| Q10 | A5J1-15 | Green Bonus 1K | 13 | Red-Yel | MCR-106 |
| Q22 | A5J1-10 | Green Bonus 2K | 23 | Blu-Yel | MCR-106 |
| Q37 | A5J3-23 | Green Bonus 3K | 98 | Gry-Blk | 2N5060 |
| Q60 | A5J3-3 | Green Bonus 4K | 81 | Blk-Red | 2N5060 |
| Q11 | A5J1-16 | Green Bonus 5K | 90 | Gry | 2N5060 |
| Q26 | A5J1-7 | Green Bonus 6K | 34 | Yel-Grn | 2N5060 |
| Q32 | A5J3-27 | Green Bonus 7K | 40 | Grn | 2N5060 |
| Q59 | A5J3-4 | Green Bonus 8K | 14 | Red-Grn | 2N5060 |
| Q04 | A5J1-28 | Green Bonus 9K | 78 | Orn-Blk | 2N5060 |
| Q25 | A5J1-6 | Green Bonus 10K | 25 | Blu-Wht | 2N5060 |
| Q56 | A5J3-10 | Green Bonus 55K | 91 | Gry-Red | MCR-106 |
| Q01 | A5J1-24 | Green Bonus Multiplier 3X | 50 | Wht | MCR-106 |
| Q24 | A5J1-5 | Green Bonus Multiplier 4X | 48 | Grn-Blk | MCR-106 |
| Q42 | A5J3-21 | Green Bonus Multiplier 5X | 30 | Yel | MCR-106 |
| Q15 | A5J2-23 | High Score to Date (Back Box) | 97 | Gry-Orn | MCR-106 |
| Q30 | A5J2-6 | In Sequence | 10 | Red | 2N5060 |
| Q41 | A5J3-20 | Lane "A" | 64 | Brn-Grn | MCR-106 |
| Q17 | A5J1-11 | Lane "B" | 65 | Brn-Wht | MCR-106 |
| Q02 | A5J1-25 | Lane "C" | 75 | Orn-Wht | MCR-106 |
| Q23 | A5J2-8 | Match (Back Box) | 82 | Blk-Blu | MCR-106 |
| Q36 | A5J3-26 | Outlane Special Left | 43 | Grn-Yel | 2N5060 |
| Q29 | A5J1-1 | Outlane Special Right | 41 | Grn-Red | 2N5060 |
| Q58 | A5J3-2 | Release Cave Captive Ball | 95 | Gry-Wht | 2N5060 |
| Q20 | A5J1-13 | Release Lagoon Captive Ball | 96 | Gry-Brn | 2N5060 |
| Q57 | A5J3-1 | Return Lane 50K Left | 10 | Red | 2N5060 |
| Q14 | A5J1-18 | Return Lane 50K Right | 58 | Wht-Blk | 2N5060 |
| Q19 | A5J2-15 | Right Saucer Arrow | 23 | Blu-Yel | 2N5060 |
| Q03 | A5J2-21 | Same Player Shoot Again (Back Box) | 47 | Grn-Orn | MCR-106 |
| Q40 | A5J3-22 | Same Player Shoot Again (Playfield) | 23 | Blu-Yel | MCR-106 |
| Q53 | A5J3-14 | Spinner | 84 | Blk-Grn | 2N5060 |
| Q21 | A5J1-12 | Thumper Bumper Bottom | 61 | Brn-Red | 2N5060 |
| Q39 | A5J3-24 | Thumper Bumper Left | 72 | Orn-Blu | 2N5060 |
| Q07 | A5J1-27 | Thumper Bumper Right | 53 | Wht-Yel | 2N5060 |
| Q47 | A5J2-10 | Tilt (Back Box) | 35 | Yel-Wht | MCR-106 |
| Q31 | A5J2-2 | to Solenoid Expander | 20 | Blu | 2N5060 |
| Q06 | A5J2-14 | Top Saucer Lane Arrow | 12 | Red-Blu | 2N5060 |
| Q18 | A5J2-20 | Triple Playfield Scores | 98 | Gry-Blk | 2N5060 |
| Q04 | *A9J2-10 | 80 | Blk | MCR-106 | |
| Q14 | *A9J2-12 | 62 | Brn-Blu | MCR-106 | |
| Q13 | *A9J2-13 | 40 | Grn | MCR-106 | |
| Q10 | *A9J2-15 | 52 | Wht-Blu | MCR-106 | |
| Q12 | *A9J2-17 | 43 | Grn-Yel | MCR-106 | |
| Q11 | *A9J2-18 | 57 | Wht-Orn | MCR-106 | |
| Q07 | *A9J2-5 | 60 | Brn | MCR-106 | |
| Q06 | *A9J2-6 | 45 | Grn-Wht | MCR-106 | |
| Q03 | *A9J2-8 | 51 | Wht-Red | MCR-106 | |
| Q05 | *A9J2-9 | 54 | Wht-Grn | MCR-106 | |
| Q19 | *A9J3-10 | 25 | Blu-Wht | MCR-106 | |
| Q18 | *A9J3-11 | 70 | Orn | MCR-106 | |
| Q23 | *A9J3-12 | 21 | Blu-Red | MCR-106 | |
| Q28 | *A9J3-13 | 96 | Gry-Brn | MCR-106 | |
| Q27 | *A9J3-14 | 40 | Grn | MCR-106 | |
| Q24 | *A9J3-16 | 56 | Wht-Brn | MCR-106 | |
| Q26 | *A9J3-17 | 68 | Brn-Blk | MCR-106 | |
| Q25 | *A9J3-18 | 72 | Orn-Blu | MCR-106 | |
| Q20 | *A9J3-7 | 20 | Blu | MCR-106 | |
| Q21 | *A9J3-4 | 95 | Gry-Wht | MCR-106 | |
| Q17 | *A9J3-9 | 53 | Wht-Grn | MCR-106 |
- * indicates located on Aux. Lamp Driver Module A9
3.2 Solenoids
| Sol. No | Solenoid description | Solenoid Type | Wire Code | Wire Color | Connector | Driver Transistor | Sol. Exp. Wire Color | Solenoid Coil Type |
|---|---|---|---|---|---|---|---|---|
| 1 | Knocker | Momentary | 85 | Blk-Wht | A3J2-5, J3-4 | Q3 | AR-26-1200 | |
| 2 | Top Saucer | Momentary | 67 | Brn-Orn | A3J5-13 | Q12 | (91) Gry-red | AT-27-1300 |
| 3 | Right Saucer | Momentary | 83 | Blk-Yel | A3J5-14 | Q11 | (91) Gry-red | AT-27-1300 |
| 4 | Left Thumper Bumper | Momentary | 85 | Blk-Wht | A3J5-10 | Q8 | AN-26-1200 | |
| 5 | Bottom Thumper Bumper | Momentary | 80 | Blk | A3J5-12 | Q13 | AN-26-1200 | |
| 6 | Right Thumper Bumper | Momentary | 78 | Orn-Blk | A3J5-11 | Q14 | AN-26-1200 | |
| 7 | Left Slingshot | Momentary | 71 | Orn-Red | A3J5-9 | Q9 | AN-26-1200 | |
| 8 | Right Slingshot | Momentary | 74 | Orn-Grn | A3J5-15 | Q10 | AN-26-1200 | |
| 9 | 3 Top Drop Target Reset | Momentary | 74 | Orn-Grn | A3J1-3, J2-4 | Q2 | (91) Gry-red | NB-26-1900 |
| 10 | 6 Drop Target Reset | Momentary | 78 | Orn-Blk | A3J1-2, J2-9 | Q1 | (91) Gry-red | NB-26-1900 |
| 11 | 3 Middle Drop Target Reset | Momentary | 71 | Orn-Red | A3J2-10 | Q5 | (91) Gry-red | NB-26-1900 |
| 12 | Right Inline Drop Target Reset | Momentary | 91 | Gry-Red | A3J2-11 | Q6 | NO-26-1900 | |
| 13 | Outhole | Momentary | 95 | Gry-Wht | A3J1-5 | Q4 | AO-27-1300 | |
| 14 | 1st Green Inline Drop Target | Momentary | 74 | Orn-Grn | A3J1-3, J2-4 | Q2 | (75) Orn-Wht | CV-29-1500 |
| 15 | 2nd Green Inline Drop Target | Momentary | 78 | Orn-Blk | A3J1-2, J2-9 | Q1 | (75) Orn-Wht | CV-29-1500 |
| 16 | 3rd Green Inline Drop Target | Momentary | 71 | Orn-Red | A3J2-10 | Q5 | (75) Orn-Wht | CV-29-1500 |
| 17 | 1st Blue Inline Drop Target | Momentary | 67 | Brn-Orn | A3J5-13 | Q12 | (75) Orn-Wht | CV-29-1500 |
| 18 | 2nd Blue Inline Drop Target | Momentary | 83 | Blk-Yel | A3J5-14 | Q11 | (75) Orn-Wht | CV-29-1500 |
| 19 | 3rd Blue Inline Drop Target | Momentary | 18 | Red-Blk | A3J2-6, J3-7, J5-8 | Q16 | CJ-29-1500 | |
| 20 | Coin Lockout | Continuous | 36 | Yel-Brn | A3J2-8 | Q19 | FO-36-7000 | |
| 21 | Flipper enabling relay | Continuous | -- | -- | -- | Q15 | 48V Relay | |
| 22 | Momentary | A3J2-12 | Q7 | |||||
| 23 | Continuous | A3J5-7 | Q17 | |||||
| 24 | Continuous | A3J2-15, J3-9, J5-3 | Q18 |
| Flipper Circuits | Power Wire | Flipper Coil Wire | Flipper Connector | Flipper Button Wire | Button Connector | Coil |
|---|---|---|---|---|---|---|
| Left Flipper | 60 (Brn) | 40 (Grn) | A3J1-8 | 20 (Blu) | A3J2-2 | AQ-25-500/34-4500 |
| Right Flipper | 60 (Brn) | 70 (Orn) | A3J1-9 | 10 (Red) | A3J2-1 | AQ-25-500/34-4500 |
| Upper Right Flipper | 60 (Brn) | 85 (Blk-Wht) | (to lower right flipper) | AQ-25-500/34-4500 |
3.3 Switch Matrix
| Strobe 0 | Strobe 1 | Strobe 2 | Strobe 3 | Strobe 4 | Strobe 5 | |||
|---|---|---|---|---|---|---|---|---|
| to Playfield | -- | A4J2-1 Wht-Red (51) | A4J2-2 Orn (70) | A4J2-3 Gry-Yel (93) | A4J2-4 Wht-Yel (53) | A4J2-5 Yel-Red (31) | A4J4-8 Orn-Blu (72) | |
| -- | to Cabinet | A4J3-2 Red-Yel (13) | A4J3-3 Red-Grn (14) | |||||
| Return I-0 | A4J2-8 Wht-Grn (54) | A4J3-9 Red-Wht (15) | 1 Outhole | 9 Coin Chute III (Right) | 17 Right Center Target | 25 Top Saucer Rollover Button | 33 #3 Middle Drop Target | 41 Not Used |
| Return I-1 | A4J2-9 Brn-Yel (63) | A4J3-10 Brn-Wht (65) | 2 #1 Left of Outhole | 10 Coin Chute I (Left) | 18 Spinner | 26 Right Saucer Rollover Button | 34 #2 Middle Drop Target | 42 #3 Blue Inline Drop Target |
| Return I-2 | A4J2-10 Wht-Orn (57) | A4J3-11 Blu (20) | 3 #2 Left and #1 Right of Outhole | 11 Coin Chute II (Middle) | 19 10 Point and 6 Drop Target Rebounds | 27 Left Side Drop Target F (Bottom) | 35 #1 Middle Drop Target | 43 #2 Blue Inline Drop Target |
| Return I-3 | A4J2-11 Orn-Blk (78) | A4J3-12 Blu-Red (21) | 4 Top Saucer | 12 Lane "C" | 20 3 Left Rollover Buttons | 28 Left Side Drop Target E | 36 Right Slingshot | 44 #1 Blue Inline Drop Target |
| Return I-4 | A4J2-12 Brn (60) | A4J3-13 Blu-Yel (23) | 5 Right Saucer | 13 Lane "B" | 21 Right Return Lane | 29 Left Side Drop Target D | 37 Left Slingshot | 45 Not Used |
| Return I-5 | A4J2-13 Wht-Brn (56) | A4J3-14 Blu-Wht (25) | 6 Credit Button | 14 Lane "A" | 22 Right Outlane | 30 Left Side Drop Target C | 38 Right Thumper Bumper | 46 #3 Green Inline Drop Target |
| Return I-6 | A4J2-14 Brn-Wht (65) | A4J3-15 Blu-Orn (27) | 7 Right Flipper Button | 15 Tilt (3) | 23 Left Outlane | 31 Left Side Drop Target B | 39 Bottom Thumper Bumper | 47 #2 Green Inline Drop Target |
| Return I-7 | A4J2-15 Wht-Blu (52) | A4J3-16 Yel (30) | 8 Outhole | 16 Slam (2) | 24 Left Return Lane | 32 Left Side Drop Target A (Top) | 40 Left Thumper Bumper | 48 #1 Green Inline Drop Target |
3.4 Fathom Speech Commands
Information provided by PinSider "Quench".
The following is the list of the sound commands (in binary and hexadecimal) sent to the S&T board that produce speech. Communications between the MPU board and the S&T board are 4 bits wide. Commands are sent as two binary nibbles; lower nibble first then upper nibble.
The sound board test button plays these speech phrases in backwards order from command 45 backwards to 2C:
0010 1100 .. 2C -- "Danger"
0010 1101 .. 2D -- "Captured"
0010 1110 .. 2E -- "Trapped"
0010 1111 .. 2F -- "Attack Diver"
0011 0000 .. 30 -- "Release"
0011 0001 .. 31 -- "Revenge"
0011 0010 .. 32 -- "Mermaids"
0011 0011 .. 33 -- "Now You've Done It"
0011 0100 .. 34 -- "Attack"
0011 0101 .. 35 -- "Ahhh"
0011 0110 .. 36 -- "Ahh Yes"
0011 0111 .. 37 -- "The Trap Is Set"
0011 1000 .. 38 -- "Fathom"
0011 1001 .. 39 -- "Death Dive"
0011 1010 .. 3A -- "HnHnHaHaaHaaHaaHaaHaaHaaHaaa" (evil laugh)
0011 1011 .. 3B -- "Dive Again"
0011 1100 .. 3C -- "Sea Nymphs Await"
0011 1101 .. 3D -- "Air Tanks Refilled"
0011 1110 .. 3E -- "Air Gone"
0011 1111 .. 3F -- "Help Me"
0100 0000 .. 40 -- "Air Supply Gone"
0100 0001 .. 41 -- "Surface, Surface"
0100 0010 .. 42 -- "Help"
0100 0011 .. 43 -- "HooHuHooHuHaHaHaa" (Laugh)
0100 0100 .. 44 -- "Help Me" (slow)
0100 0101 .. 45 -- "Sea Nymphs"
0100 0110 .. 46 -- "Danger Mermaids, Danger"
0100 0111 .. 47 -- "Danger Mermaids, Danger" randomly alternates with "Attack Diver"
0100 1000 .. 48 -- "Mermaids Captured"
0100 1001 .. 49 -- "Mermaids Trapped"
0100 1010 .. 4A -- "Mermaids Trapped" randomly alternates with "Mermaids Captured"
0100 1011 .. 4B -- "Now You've Done It, Dive Again"
0100 1100 .. 4C -- "Death Dive, HnHnHaHaaHaaHaaHaaHaaHaaHaaa" (evil laugh)
0100 1101 .. 4D -- "Help, Surface, Surface Fathom"
0100 1110 .. 4E -- "Danger Sea Nymphs Await Fathom"
0100 1111 .. 4F -- "Danger Sea Nymphs Await Fathom" randomly alternates with "Help, Surface, Surface Fathom"
0101 0000 .. 50 -- "Danger Mermaids Released"
0101 0001 .. 51 -- "Danger Mermaids Released" randomly alternates with "Attack Diver"
0101 0010 .. 52 -- "Ahh Yes, Air Tanks Refilled"