Does the middle center target, 2 lower lane switches, or the lower middle rollover trigger the 6, 7, 8, or 9 relays on the long bank of relays?

I believe that for the 6 upper rollover switches, triggering the bank relays is simply controlled by the switch itself.

The middle rows 2 rollover switches and stand up target along with the lower 2 lane switches and rollover button all run through a change relay and then to the 6, 7, 8, and 9 relays.

Given that, I’d triple check your playfield Jones plug.

If none of the 9 are working you need to check the N.O. Advance relay as that would be the only common culprit.

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I think match unit is what controls the X/O toggle on the playfield. Is that alternating between x and o on each 10 point score right now?

if you run your finger over the top left O rollover, does the 1-O relay on the big bank trip?

If you manually trip the 1-X or 1-O relay, does it score and light?

Let’s focus on switch 1 first. This is the top rollover for 1-O and 1-X. Ball entering either should score 1k. If no letter occupies the top left board position, the rollover lane the ball passes through is lit.

From your description above, switch 1 does not work. Is this 1-X and 1-O?

The top 6 rollovers all trigger the 1,000 pt relay directly from the switch (see the second line in the schematic). If you aren’t getting 1k when you rollover some of the top switches (1-X and 1-O) but are getting 1k points on 2-X, 2-O, 3-X, and 3-O, then it’s either the switches on the 1 rollovers, a disconnected or broken wire, or a bad Jones plug.

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That is expected behavior. The 1-X relay does not control the scoring aspect.

The switch will always score 1000 points. Every time the rollover is hit, the 1k relay should be pulsed. Does scoring always happen whEn you trip the rollover?

The relay is only triggered once per ball. If no letter is lit in the top left corner of the tic tac toe board, the letter of the rollover should light in the board (based on the relay tripping).

You’re saying that the 1-X and 1-O relays never trigger on their own, correct?

Scoring never happens, or only intermittently on the 1-x and 1-O?

All of the top rollover relays work through essentially the same logic. If some are working to score and to trip the corresponding relay and 1-x and 1-0 are not, then you need to look at the switch under the rollover, the wires at the switch, the common yellow like mentioned in the post above, the Jones plug, or the relay coil.

That’s great news @wayinla!! I’ve gotten some good help from others here and just glad to be able to return the favor a little.

Is that 1-x and 1-o rollover lighting the board now too?

Any luck with your middle rollovers that were struggling?

Are the wires to the chime coils soldered on or are they the quick release connection tabs? I think it was my Gottlieb surfer that had the wires connected to the wrong sides of the first coil and as there is a common that ran to all 3 chimes, I was getting very little movement out of the 100s.

If they are soldered on, ignore this as it’s unlikely someone reversed the connections

The other thing to check if the coil seems good is the 100pt relay in the back box. There should be a switch on that relay that controls the chime. Give it a good cleaning and gap

Do the other 10 point features (slingshots) ring the chime?

What happens when you manually hit the 10pt relay in the backbox?

The 10 pt relay is the only control of the chime coil (see schematic). The switch that controls the chime should be an orange wire.

You can test that single switch with an alligator clip on each switch blade and then touch the other ends of the clips together.

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I can’t imagine that hitting the 10 pt would blow the 15amp fuse unless you were poking with something metal and shorted it

The 10pt relay will also advance the match unit when the center target and the bottom rollover are both closed. When the match unit pulses, the No. change rely also gets pulsed. That No 2 relay controls the the X and O toggle on the playfield and lights the according light.

Maybe check there. Might also be partially related to your burnt up match unit coil?!? Maybe advance the match unit manually one step to see if the opposite light lights up and if hitting the 10pt still ramps up the brightness of the playfield lights.