(Topic ID: 210741)

Gottlieb 300 - Stuck on Tilt

By JojoButterbean

2 years ago

Topic Stats

  • 8 posts
  • 6 Pinsiders participating
  • Latest reply 2 years ago by rolf_martin_062
  • Topic is favorited by 2 Pinsiders


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0Gtb-300-Work-14 (resized).jpg
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#1 2 years ago

Good afternoon everyone....

I'm a noob, got lucky and picked up a 300 a couple of weeks ago. Its beautiful, but now its stuck on Tilt.
I have checked the following:

- relays (T,H, AX). It seems as though a signal is not being sent to the backbox?
- looked for the plumb bob, did not see one. Instead I have a ball in a cage that will make contact if the level is off.
- the rotor is turning beautifully, but the reels are not moving on the back box at all

Any advice or suggestions woudl be greatly appreciated.




#2 2 years ago

Do you have the schematic?

How did the problem start? Never worked or played ok for a few games then tilted for no reason or you nudged and probably tilted and it won't reset?

Have you tried disconnecting the ball roll tilt mech? Do you see any stray wires lurking around the tilt bob area that might be shorting?

#3 2 years ago

Does it need/have credits on the wheel? And what about the other tilt devices (3) such as slam switches, etc? Look at the coin door, under the playfield, and on the bottom of the cabinet. And the AX sw. can be a pisser to get adj. right; it should have a nice snap to it when it locks/unlocks. Double check the make/break sw. on it.

s1slam (resized).jpg

#4 2 years ago

Sorry for the delay in responding.

I do have the schematics and have checked the H, T and AX relays.

It was running great and then just stuck on TILT.

I've wiggled the slam switch and ball tilt mechanism.

When you say "adjust" the switches....how exactly is that done? (Sorry, told you I was a noob)

#6 2 years ago

Check the slam switches at the coin door, the back box, and the relay board in the cabinet. Slam switches are NC, tilt switches are NO. There is one attached to the playfield, the pendulum and the rolling ball. It is also possible that the wiring has been "played" with by a prior owner.

#7 2 years ago
Quoted from JojoButterbean:

now its stuck on Tilt.

My copy of the 300 schematic is missing most of the relay locations in the "Relays" table. Can you scan your schematic or post that section?

#8 2 years ago

Hi JojoButterbean
I am not happy with Your description of the problem - from post-1 I read "did run for some time - then a severe problem showed up" --- what actually is "stuck on Tilt" ?

Here http://www.stevechannel.com/tiltmechanism.htm is a good article - look at the last picture - usually the plumb bob tilt is mounted near the ball roll tilt. In Your pin the ball should stay in same position as shown in the picture. Do You see in Your pin such an "brass plate" as shown in the picture ? Maybe an preowner had unhooked and taken out the plumb bob Tilt ? Write about "brass plate" in Your pin.

Your pin is an rather modern Gottlieb --- it has not an Control Bank - it has an Coin-Unit (how many players want to participate in the next play) and it has the "not loved" AX- etc. Interlock-Relays. A picture of an Control-Bank: http://www.ipdb.org/showpic.pl?id=823&picno=19015 and a picture of Your pin: http://www.ipdb.org/showpic.pl?id=2539&picno=43468

"Control-Bank or no Control-Bank" - Gottlieb pins are built "strange - irritating" - we plug-in the main power cord and toggle on the main power switch --- we do see the "Tilt-Light" in the backglass lighted and we have no playfield lights lit (and we cannot move the flipperbats as there is not yet a game started). This situation*** we see I would NOT call TILT --- when we press the Replay-Button and nothing-happens*** - I would not call this "stuck on Tilt".
situation***: I call this "plugged-in,toggled-on - NOT YET a game started"
nothing-happens***: I call this "cannot start a game after toggling-on"

I show snippets of the schematics - I put colored numbers into the JPG (for easyer orientation). To start troubleshooting:
Look at the Q-Game-Over-Relay when You toggle-on the pin - does it pulls-in and stay pulling ?
Look at the U-1st-Ball-Relay when You toggle-on the pin - does it pulls-in and stay pulling ?
Write about.
IF (if, if) they both are steady pulling: Wear rubber gloves or use an wooden stick (Safety Reasons, electricity can kill You) --- press the armature of the "H-Tilt-Hold-Relay" - does it stay pulling and the "Tilt-Light in the backglass turns-off" ? Press the armature of the " R-Hold-Relay" - does it stay pulling ? Press the armature of the S-Start-Relay - does it stays pulling for a while and the Score-Motor starts to run ? --- WHAT happens ? Greetings Rolf

P.S.: You may try the "pressing the armature" on Q-Relay and on U-Relay --- both must stay pulling --- we have trouble starting a new game if these two relays are not constantly pulling.

0Gtb-300-Work-14 (resized).jpg

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