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Another Repair Log: I was working on one Pinnacle today that kept resetting the saved settings. It was as if it was doing a factory reset every time. This one was a black, rear left prize chute. First thing I noticed was when I checked the ROM was it was fine and the same checksum as a front...

So you have the 3 VR style. One is for initial grab strength, two is rising claw strength, three is carry home strength. You can adjust them blindly or go into the setting mode with the switch on the coin mech.

The play till you win setting is done through dip switches. Do you have the kind with 1 VR or 3? Take some pictures of your PCB or the volt meter? If you have the original roll down coin mechs they have a small switch on the back of them? you use those to go into the voltage adjust mode. DM me...

It looks like your other ROM is for the non auto percentaging version? one with a factory set claw strength that is not adjustable as well as no cost/payout setting. This is for version 4.41+ but also has 25 options it should work for you?

I wouldn't suspect the ROM if it works sometimes. Try using the diode mode on your multimeter to test the transistor. I would just replace any that have different readings than others.

I noticed on my pinnacle jr yesterday that the prize sensor pcb doesn't have an LED, so I guess there's a couple different versions. If the claw goes into the chute multiple times then the prize sensor isn't working. If it goes into the chute and the first time it overlaps the mirror it goes...

You can go up or down and it will go to the first or last programming option. At the end of the list in the 20s are motor tests to move around the gantry and claw. I think it's option 8 and 9 to set the solenoid coil power. So I have a feeling you're going to the motor test for the up/down motor...

I think the dashes mean you're in the door open mode? if you see them try pressing the programming button.

The string should be "STRING (PRECUT TO 52 1/4")" so check that it's not wound backwards and the correct length. You should also be able to trip the prize sensor with your hand or just dropping a prize down the chute. It connects to the main pcb with a 3 wire connector in the top right. If you...

If it drops the claw into the chute multiple times that means the prize sensor is not working. There should be an LED on the prize sensor that flashes when the beam is broken. I don't know how many fuses there are but if that f5 fuse controls something specific like the claw coil then I would...

they are inside the head. They are magnet based switches. It could also be that the string is wound incorrectly. I don't think that you should be worrying about limit switches until you can get the game to boot. You need to get to a screen with all zeroes displayed or all zeroes and periods.

if the cpu, rom, or ram are bad then yes that one component could stop the whole machine. It sounds like it's not booting, so you need to figure out why. First easy thing is to make sure the voltage is present and correct. Then read the rom and see if it is corrupted. Verify voltage at the CPU...

Interlock switch does sound suspect. There are quite a few different models and ROMs for the pinnacle cranes. I know there is a joystick test that is usually reached through the accounting button? I would check to see if it has a short as well. You may need to bend the interlock switch bracket...

probably needs to have the BCD driver chip replaced. or the display itself has gone bad.

I got in the new relays today. I got 2 even though I only needed 1. I replaced both the coil and the left/right motor relays with new ones. I noticed the silkscreen print on the top was slightly different than the original part but the insides looked the same? Probably just different years or...

I replaced the TIP162 with a BU941ZPFI. It's not the exact same ratings/values as the TIP162 but it's close. When I put the PCB back in the game and tried the claw out it was still at 0v. The light on the relay was coming on when it was supposed to be closing the claw. I swapped the coil relay...

Can anyone else confirm what ohms their coil resistance is? Mine was around 20 ohms when I got it and still is the same now. The voltage for the claw strength is no longer stuck at 48v, it's now dead flat. The claw is no longer closing. So I believe that the TIP162 is blown at this point. I am...

my route 66 crane went down... the solenoid cable got disconnected and i'm guessing it shorted out because the fuse on the pcb was blown. I put it back together, but it still is having another problem. Now when I go to the setup claw voltage it no longer responds to the potentiometers. It's...

Semi related I used the LD-274 IR LEDs to fix my dynamo air hockey table tonight. It needed new IR LEDs as well, and I didn't know what the original spec were. I saw in another thread someone suggested Radio Shack 276-143. I looked those up and their peak wavelength is 940nm. The LD-274 is 950...

I exorcised the demons out of this Route 666. I got it fully operating and stable after about 6 different fixes. Now let's hope it lasts 6 more years on location. It's now in service at one of my pizza place locations. This is crane #18 (6+6+6) for me.